Clinical Trial Results:
Phase I Study of the Combination of Trastuzumab Emtansine (T-DM1) and Capecitabine in HER2-Positive Metastatic Breast Cancer and HER2-Positive Locally Advanced/Metastatic Gastric Cancer Patients, Followed by a Randomized, Open-Label Phase II Study of Trastuzumab Emtansine and Capecitabine versus Trastuzumab Emtansine Alone in HER2-Positive Metastatic Breast Cancer
Summary
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EudraCT number |
2012-001547-46 |
Trial protocol |
ES FR PT SK IT DE GR |
Global end of trial date |
31 May 2017
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Results information
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Results version number |
v1(current) |
This version publication date |
14 Jun 2018
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First version publication date |
14 Jun 2018
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Other versions |
Trial Information
Subject Disposition
Baseline Characteristics
End Points
Adverse Events
More Information
Subject Disposition
Baseline Characteristics
End Points
Adverse Events
More Information
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Trial identification
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Sponsor protocol code |
MO28230
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Additional study identifiers
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ISRCTN number |
- | ||
US NCT number |
NCT01702558 | ||
WHO universal trial number (UTN) |
- | ||
Sponsors
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Sponsor organisation name |
F. Hoffmann-La Roche AG
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Sponsor organisation address |
Grenzacherstrasse 124, Basel, Switzerland, CH-4070
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Public contact |
Roche Trial Information Hotline, F. Hoffmann-La Roche AG, +41 61 6878333, global.trial_information@roche.com
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Scientific contact |
Roche Trial Information Hotline, F. Hoffmann-La Roche AG, +41 61 6878333, global.trial_information@roche.com
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Paediatric regulatory details
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Is trial part of an agreed paediatric investigation plan (PIP) |
No
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Does article 45 of REGULATION (EC) No 1901/2006 apply to this trial? |
No
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Does article 46 of REGULATION (EC) No 1901/2006 apply to this trial? |
No
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Results analysis stage
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Analysis stage |
Final
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Date of interim/final analysis |
31 May 2017
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Is this the analysis of the primary completion data? |
No
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Global end of trial reached? |
Yes
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Global end of trial date |
31 May 2017
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Was the trial ended prematurely? |
Yes
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General information about the trial
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Main objective of the trial |
Phase 1: The primary objective was to determine the maximum tolerated dose (MTD) of the combination of trastuzumab emtansine and capecitabine in participants with human epidermal growth factor receptor 2 (HER2)-positive metastatic breast cancer (mBC) and locally advanced/metastatic gastric cancer (LA/mGC).
Phase 2: The primary objective was to explore the efficacy of the combination of trastuzumab emtansine and capecitabine compared with trastuzumab emtansine alone in participants with HER2-positive mBC, as measured by overall response rate (ORR) according to Response Evaluation Criteria for Solid Tumors Version 1.1 (RECIST v1.1) per investigator local assessment.
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Protection of trial subjects |
The study was conducted in accordance with the principles of the “Declaration of Helsinki” and International Council for Harmonisation (ICH) guideline for Good Clinical Practice (GCP). Approval from the Independent Ethics Committee (IEC)/Institutional Review Board (IRB) was obtained before study start and was documented in a letter to the investigator specifying the date on which the committee met and granted the approval. No modifications were made to the protocol after receipt of the IEC/IRB approval.
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Background therapy |
- | ||
Evidence for comparator |
- | ||
Actual start date of recruitment |
03 Dec 2012
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Long term follow-up planned |
No
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Independent data monitoring committee (IDMC) involvement? |
Yes
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Population of trial subjects
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Number of subjects enrolled per country |
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Country: Number of subjects enrolled |
Argentina: 6
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Country: Number of subjects enrolled |
Brazil: 10
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Country: Number of subjects enrolled |
Canada: 12
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Country: Number of subjects enrolled |
France: 17
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Country: Number of subjects enrolled |
Germany: 13
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Country: Number of subjects enrolled |
Greece: 16
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Country: Number of subjects enrolled |
Italy: 24
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Country: Number of subjects enrolled |
Portugal: 6
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Country: Number of subjects enrolled |
Russian Federation: 40
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Country: Number of subjects enrolled |
Serbia: 6
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Country: Number of subjects enrolled |
Slovakia: 14
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Country: Number of subjects enrolled |
Spain: 15
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Worldwide total number of subjects |
179
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EEA total number of subjects |
105
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Number of subjects enrolled per age group |
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In utero |
0
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Preterm newborn - gestational age < 37 wk |
0
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Newborns (0-27 days) |
0
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Infants and toddlers (28 days-23 months) |
0
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Children (2-11 years) |
0
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Adolescents (12-17 years) |
0
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Adults (18-64 years) |
148
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From 65 to 84 years |
31
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85 years and over |
0
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Recruitment
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Recruitment details |
- | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Pre-assignment
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Screening details |
A total of 234 participants were screened, out of which, 182 participants were enrolled into the study. Out of the 182 enrolled participants, 3 participants were excluded from all safety and efficacy analyses because they did not sign correct Informed Consent Form (ICF). | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Period 1
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Period 1 title |
Overall Study (overall period)
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Is this the baseline period? |
Yes | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Allocation method |
Non-randomised - controlled
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Blinding used |
Not blinded | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Arms
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Are arms mutually exclusive |
Yes
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Arm title
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Phase 1 (mBC) Cohort 1 (DL 1): T-DM1 + Cape | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Arm description |
In Phase 1, Cohort 1 participants (with mBC) received trastuzumab emtansine (T-DM1) at a dose of 3.6 milligrams per kilogram (mg/kg) via intravenous (IV) infusion (on Day 1 [on Day 2 for Cycle 1] of each 21-day cycle) along with capecitabine (Cape) at a dose level (DL) of 750 milligrams per meter squared (mg/m^2) via tablet orally twice daily on Days 1-14 of each 21-day cycle until unacceptable toxicity, withdrawal of consent, disease progression (PD), death, reasons deemed by the treating physician, or study termination by the sponsor. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Arm type |
Experimental | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Investigational medicinal product name |
Capecitabine
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Investigational medicinal product code |
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Other name |
Xeloda
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Pharmaceutical forms |
Film-coated tablet
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Routes of administration |
Oral use
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Dosage and administration details |
Capecitabine was administered at dose level 1 (750 mg/m^2) via tablet orally twice daily on Days 1-14 of each 21-day cycle.
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Investigational medicinal product name |
Trastuzumab emtansine
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Investigational medicinal product code |
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Other name |
Kadcyla,
RO5304020
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Pharmaceutical forms |
Powder for concentrate for solution for infusion
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Routes of administration |
Intravenous use
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Dosage and administration details |
Trastuzumab emtansine was administered at a dose of 3.6 mg/kg via IV infusion on Day 1 (on Day 2 of Cycle 1) of each 21-day cycle.
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Arm title
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Phase 1 (mBC) Cohort 1 (DL -1): T-DM1 + Cape | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Arm description |
In Phase 1, Cohort 1 participants (with mBC) received trastuzumab emtansine at a dose of 3.6 mg/kg via IV infusion (on Day 1 [on Day 2 for Cycle 1] of each 21-day cycle) along with capecitabine at a dose level of 700 mg/m^2 via tablet orally twice daily on Days 1-14 of each 21-day cycle until unacceptable toxicity, withdrawal of consent, PD, death, reasons deemed by the treating physician, or study termination by the sponsor. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Arm type |
Experimental | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Investigational medicinal product name |
Capecitabine
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Investigational medicinal product code |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Other name |
Xeloda
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Pharmaceutical forms |
Film-coated tablet
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Routes of administration |
Oral use
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Dosage and administration details |
Capecitabine was administered at dose level -1 (700 mg/m^2) via tablet orally twice daily on Days 1-14 of each 21-day cycle.
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Investigational medicinal product name |
Trastuzumab emtansine
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Investigational medicinal product code |
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Other name |
Kadcyla,
RO5304020
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Pharmaceutical forms |
Powder for concentrate for solution for infusion
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Routes of administration |
Intravenous use
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Dosage and administration details |
Trastuzumab emtansine was administered at a dose of 3.6 mg/kg via IV infusion on Day 1 (on Day 2 of Cycle 1) of each 21-day cycle.
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Arm title
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Phase 1 (LA/mGC) Cohort 2 (DL -1): T-DM1 + Cape | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Arm description |
In Phase 1, Cohort 2 participants (with LA/mGC) received trastuzumab emtansine at a dose of 2.4 mg/kg via IV infusion on Day 1 (Day 2 of first week) of every week along with capecitabine at a dose level of 700 mg/m^2 via tablet orally twice daily on Days 1-14 followed by a 7-day rest period, in each 21-day cycle until unacceptable toxicity, withdrawal of consent, PD, death, reasons deemed by the treating physician, or study termination by the sponsor. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Arm type |
Experimental | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Investigational medicinal product name |
Capecitabine
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Investigational medicinal product code |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Other name |
Xeloda
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Pharmaceutical forms |
Film-coated tablet
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Routes of administration |
Oral use
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Dosage and administration details |
Capecitabine was administered at MTD (700 mg/m^2) via tablet orally twice daily on Days 1-14 followed by a 7-day rest period.
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Investigational medicinal product name |
Trastuzumab emtansine
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Investigational medicinal product code |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Other name |
Kadcyla,
RO5304020
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Pharmaceutical forms |
Powder for concentrate for solution for infusion
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Routes of administration |
Intravenous use
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Dosage and administration details |
Trastuzumab emtansine was administered at a dose of 2.4 mg/kg via IV infusion on Day 1 (Day 2 of first week) every week.
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Arm title
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Phase 2 (mBC): T-DM1 + Cape | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Arm description |
In Phase 2, participants (with mBC) who were randomized to this group received trastuzumab emtansine at a dose of 3.6 mg/kg via IV infusion on Day 1 of each 21-day cycle along with capecitabine at a dose level of 700 mg/m^2 via tablet orally twice daily on Days 1-14 of each 21-day cycle until unacceptable toxicity, withdrawal of consent, PD, death, reasons deemed by the treating physician, or study termination by the sponsor. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Arm type |
Experimental | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Investigational medicinal product name |
Capecitabine
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Investigational medicinal product code |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Other name |
Xeloda
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Pharmaceutical forms |
Film-coated tablet
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Routes of administration |
Oral use
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Dosage and administration details |
Capecitabine was administered at MTD (700 mg/m^2) via tablet orally twice daily on Days 1-14 of each 21-day cycle.
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Investigational medicinal product name |
Trastuzumab emtansine
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Investigational medicinal product code |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Other name |
Kadcyla
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Pharmaceutical forms |
Powder for concentrate for solution for infusion
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Routes of administration |
Intravenous use
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Dosage and administration details |
Trastuzumab emtansine was administered at a dose of 3.6 mg/kg via IV infusion on Day 1 of each 21-day cycle.
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Arm title
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Phase 2 (mBC): T-DM1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Arm description |
In Phase 2, participants (with mBC) who were randomized to this group received trastuzumab emtansine at a dose of 3.6 mg/kg via IV infusion on Day 1 of each 21-day cycle until investigator-assessed PD, unacceptable toxicity, withdrawal of consent, death, reasons deemed by the treating physician, or study termination by the Sponsor. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Arm type |
Active comparator | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Investigational medicinal product name |
Trastuzumab emtansine
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Investigational medicinal product code |
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Other name |
Kadcyla
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Pharmaceutical forms |
Powder for concentrate for solution for infusion
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Routes of administration |
Intravenous use
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Dosage and administration details |
Trastuzumab emtansine was administered at a dose of 3.6 mg/kg via IV infusion on Day 1 of each 21-day cycle.
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Baseline characteristics reporting groups
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Reporting group title |
Phase 1 (mBC) Cohort 1 (DL 1): T-DM1 + Cape
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Reporting group description |
In Phase 1, Cohort 1 participants (with mBC) received trastuzumab emtansine (T-DM1) at a dose of 3.6 milligrams per kilogram (mg/kg) via intravenous (IV) infusion (on Day 1 [on Day 2 for Cycle 1] of each 21-day cycle) along with capecitabine (Cape) at a dose level (DL) of 750 milligrams per meter squared (mg/m^2) via tablet orally twice daily on Days 1-14 of each 21-day cycle until unacceptable toxicity, withdrawal of consent, disease progression (PD), death, reasons deemed by the treating physician, or study termination by the sponsor. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Phase 1 (mBC) Cohort 1 (DL -1): T-DM1 + Cape
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Reporting group description |
In Phase 1, Cohort 1 participants (with mBC) received trastuzumab emtansine at a dose of 3.6 mg/kg via IV infusion (on Day 1 [on Day 2 for Cycle 1] of each 21-day cycle) along with capecitabine at a dose level of 700 mg/m^2 via tablet orally twice daily on Days 1-14 of each 21-day cycle until unacceptable toxicity, withdrawal of consent, PD, death, reasons deemed by the treating physician, or study termination by the sponsor. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Phase 1 (LA/mGC) Cohort 2 (DL -1): T-DM1 + Cape
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Reporting group description |
In Phase 1, Cohort 2 participants (with LA/mGC) received trastuzumab emtansine at a dose of 2.4 mg/kg via IV infusion on Day 1 (Day 2 of first week) of every week along with capecitabine at a dose level of 700 mg/m^2 via tablet orally twice daily on Days 1-14 followed by a 7-day rest period, in each 21-day cycle until unacceptable toxicity, withdrawal of consent, PD, death, reasons deemed by the treating physician, or study termination by the sponsor. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Phase 2 (mBC): T-DM1 + Cape
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Reporting group description |
In Phase 2, participants (with mBC) who were randomized to this group received trastuzumab emtansine at a dose of 3.6 mg/kg via IV infusion on Day 1 of each 21-day cycle along with capecitabine at a dose level of 700 mg/m^2 via tablet orally twice daily on Days 1-14 of each 21-day cycle until unacceptable toxicity, withdrawal of consent, PD, death, reasons deemed by the treating physician, or study termination by the sponsor. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Phase 2 (mBC): T-DM1
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Reporting group description |
In Phase 2, participants (with mBC) who were randomized to this group received trastuzumab emtansine at a dose of 3.6 mg/kg via IV infusion on Day 1 of each 21-day cycle until investigator-assessed PD, unacceptable toxicity, withdrawal of consent, death, reasons deemed by the treating physician, or study termination by the Sponsor. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
|||
End points reporting groups
|
|||
Reporting group title |
Phase 1 (mBC) Cohort 1 (DL 1): T-DM1 + Cape
|
||
Reporting group description |
In Phase 1, Cohort 1 participants (with mBC) received trastuzumab emtansine (T-DM1) at a dose of 3.6 milligrams per kilogram (mg/kg) via intravenous (IV) infusion (on Day 1 [on Day 2 for Cycle 1] of each 21-day cycle) along with capecitabine (Cape) at a dose level (DL) of 750 milligrams per meter squared (mg/m^2) via tablet orally twice daily on Days 1-14 of each 21-day cycle until unacceptable toxicity, withdrawal of consent, disease progression (PD), death, reasons deemed by the treating physician, or study termination by the sponsor. | ||
Reporting group title |
Phase 1 (mBC) Cohort 1 (DL -1): T-DM1 + Cape
|
||
Reporting group description |
In Phase 1, Cohort 1 participants (with mBC) received trastuzumab emtansine at a dose of 3.6 mg/kg via IV infusion (on Day 1 [on Day 2 for Cycle 1] of each 21-day cycle) along with capecitabine at a dose level of 700 mg/m^2 via tablet orally twice daily on Days 1-14 of each 21-day cycle until unacceptable toxicity, withdrawal of consent, PD, death, reasons deemed by the treating physician, or study termination by the sponsor. | ||
Reporting group title |
Phase 1 (LA/mGC) Cohort 2 (DL -1): T-DM1 + Cape
|
||
Reporting group description |
In Phase 1, Cohort 2 participants (with LA/mGC) received trastuzumab emtansine at a dose of 2.4 mg/kg via IV infusion on Day 1 (Day 2 of first week) of every week along with capecitabine at a dose level of 700 mg/m^2 via tablet orally twice daily on Days 1-14 followed by a 7-day rest period, in each 21-day cycle until unacceptable toxicity, withdrawal of consent, PD, death, reasons deemed by the treating physician, or study termination by the sponsor. | ||
Reporting group title |
Phase 2 (mBC): T-DM1 + Cape
|
||
Reporting group description |
In Phase 2, participants (with mBC) who were randomized to this group received trastuzumab emtansine at a dose of 3.6 mg/kg via IV infusion on Day 1 of each 21-day cycle along with capecitabine at a dose level of 700 mg/m^2 via tablet orally twice daily on Days 1-14 of each 21-day cycle until unacceptable toxicity, withdrawal of consent, PD, death, reasons deemed by the treating physician, or study termination by the sponsor. | ||
Reporting group title |
Phase 2 (mBC): T-DM1
|
||
Reporting group description |
In Phase 2, participants (with mBC) who were randomized to this group received trastuzumab emtansine at a dose of 3.6 mg/kg via IV infusion on Day 1 of each 21-day cycle until investigator-assessed PD, unacceptable toxicity, withdrawal of consent, death, reasons deemed by the treating physician, or study termination by the Sponsor. | ||
Subject analysis set title |
Phase 1 (mBC) Cohort 1: T-DM1 + Cape
|
||
Subject analysis set type |
Sub-group analysis | ||
Subject analysis set description |
In Phase 1, Cohort 1 participants (with mBC) received trastuzumab emtansine at a dose of 3.6 mg/kg via IV infusion (on Day 1 [on Day 2 for Cycle 1] of each 21-day cycle) along with capecitabine at a dose level of 700 or 750 mg/m^2 via tablet orally twice daily on Days 1-14 of each 21-day cycle until unacceptable toxicity, withdrawal of consent, PD, death, reasons deemed by the treating physician, or study termination by the sponsor.
|
||
Subject analysis set title |
Phase 1 (mBC) Cohort 1 (DL -1): T-DM1 + Cape
|
||
Subject analysis set type |
Sub-group analysis | ||
Subject analysis set description |
In Phase 1, participants with mBC received trastuzumab emtansine at a dose of 3.6 mg/kg via IV infusion (on Day 1 [on Day 2 for Cycle 1] of each 21-day cycle) along with capecitabine at a dose level of 700 mg/m^2 via tablet orally twice daily on days 1-14 of each 21-day cycle until unacceptable toxicity, withdrawal of consent, PD, death, reasons deemed by the treating physician, or study termination by the sponsor.
|
|
|||||||||||||
End point title |
Phase 1 (mBC): Percentage of Participants with Dose-Limiting Toxicities (DLTs) [1] [2] | ||||||||||||
End point description |
A DLT was defined as any one of the following study treatment-related toxicities: Uncomplicated Grade 4 thrombocytopenia that does not recover before Day 21; thrombocytopenia complicated with clinically significant bleeding requiring medical intervention; Grade 4 neutropenia lasting more than (>) 7 consecutive days; febrile neutropenia with absolute neutrophil count (ANC) less than (<) 1000 cells/millimeter cube (mm^3); Grade >/=3 diarrhea or Grade 3 hand-foot syndrome (in absence of dihydropyrimidine dehydrogenase [DPD] deficiency, only for DL 1); any other Grade >/=3 toxicity prohibiting start of Cycle 2; Grade 2 toxicity requiring treatment interruption for >14 days (>7 days for DL 1); for DL -1 only: <14 full doses of capecitabine; Cycle 2 dose level <100 percent (%). Analysis was performed on Phase 1 DLT-evaluable population for mBC cohort, which included all enrolled and treated mBC participants who did not experience any major protocol deviation and completed Cycle 1.
|
||||||||||||
End point type |
Primary
|
||||||||||||
End point timeframe |
Continuously during Cycle 1 (up to 3 weeks)
|
||||||||||||
Notes [1] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point. Justification: Results were reported descriptively and were not planned to be analyzed for statistically significant differences between groups. [2] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||
|
|||||||||||||
No statistical analyses for this end point |
|
|||||||||
End point title |
Phase 1 (mBC): MTD of Capecitabine when Combined with Trastuzumab Emtansine (3.6 mg/kg every 3 weeks) [3] | ||||||||
End point description |
MTD was defined as the dose level for which the probability of DLT is equal to a protocol-specified target probability. A DLT was defined as any one of the following study treatment related toxicities: Uncomplicated Grade 4 thrombocytopenia that does not recover before Day 21; thrombocytopenia complicated with clinically significant bleeding requiring medical intervention; Grade 4 neutropenia lasting >7 consecutive days; febrile neutropenia with ANC <1000 cells/mm^3; Grade >/=3 diarrhea or Grade 3 hand-foot syndrome (in absence of DPD deficiency only for DL 1); any other Grade >/=3 toxicity prohibiting start of Cycle 2; Grade 2 toxicity requiring treatment interruption for >14 days (>7 days for DL 1); for DL -1 only: <14 full doses of capecitabine; Cycle 2 dose level <100%. Analysis was performed on Phase 1 DLT-evaluable population for mBC cohort.
|
||||||||
End point type |
Primary
|
||||||||
End point timeframe |
Continuously during Cycle 1 (up to 3 weeks)
|
||||||||
Notes [3] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point. Justification: Results were reported descriptively and were not planned to be analyzed for statistically significant differences between groups. |
|||||||||
|
|||||||||
No statistical analyses for this end point |
|
|||||||||||||
End point title |
Phase 2 (mBC): Percentage of Participants with Best Overall Response (BOR) as Assessed by the Investigator According to RECIST v1.1 [4] | ||||||||||||
End point description |
Tumor response was assessed by the investigator according to RECIST v1.1. BOR was defined as percentage of participants with a complete response (CR) or partial response (PR) that was confirmed by repeat assessments >/=4 weeks after initial documentation. CR was defined as the disappearance of all target lesions (TLs) and non-TLs; short axis (SA) reduction to <10 millimeters (mm) for nodal TLs/non-TLs; and no new lesions. PR was defined as >/=30% decrease in sum of diameters (SoD) of TLs, taking as reference the baseline SoD; no progression in non-TLs; and no new lesions. The 90% confidence Interval (CI) was computed using Clopper-Pearson approach. Analysis was performed on Intent-to-Treat (ITT) Population, which included all participants in the randomized Phase 2 part of the study. Participants were analyzed as per the initial randomization. Participants without tumor assessment after start of study treatment were considered as non-responders.
|
||||||||||||
End point type |
Primary
|
||||||||||||
End point timeframe |
Baseline until CR/PR, consent withdrawal, or study end whichever occurred first (up to approximately 2.5 years overall)
|
||||||||||||
Notes [4] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||
|
|||||||||||||
Statistical analysis title |
Statistical Analysis 1 | ||||||||||||
Comparison groups |
Phase 2 (mBC): T-DM1 + Cape v Phase 2 (mBC): T-DM1
|
||||||||||||
Number of subjects included in analysis |
161
|
||||||||||||
Analysis specification |
Pre-specified
|
||||||||||||
Analysis type |
superiority [5] | ||||||||||||
P-value |
= 0.336 | ||||||||||||
Method |
Fisher exact | ||||||||||||
Parameter type |
Difference in Response Rates | ||||||||||||
Point estimate |
8.2
|
||||||||||||
Confidence interval |
|||||||||||||
level |
90% | ||||||||||||
sides |
2-sided
|
||||||||||||
lower limit |
-4.5 | ||||||||||||
upper limit |
20.9 | ||||||||||||
Notes [5] - 90% CI was estimated using Hauck-Anderson approach. |
|
|||||||||
End point title |
Phase 1 (LA/mGC): Percentage of Participants with DLTs [6] [7] | ||||||||
End point description |
A DLT was defined as any one of the following study treatment related toxicities: Uncomplicated Grade 4 thrombocytopenia that does not recover before Day 21; thrombocytopenia complicated with clinically significant bleeding requiring medical intervention; Grade 4 neutropenia lasting >7 consecutive days; febrile neutropenia with ANC <1000 cells/mm^3; Grade >/=3 diarrhea or Grade 3 hand-foot syndrome; any other Grade >/=3 toxicity prohibiting start of Cycle 2; Grade 2 toxicity requiring treatment interruption for >14 days; <14 full doses of capecitabine; Cycle 2 dose level <100%. Analysis was performed on Phase 1 DLT-evaluable population for LA/mGC Cohort, which included all enrolled and treated LA/mGC participants who did not experience any major protocol deviation and completed Cycle 1.
|
||||||||
End point type |
Primary
|
||||||||
End point timeframe |
Continuously during 3 weeks
|
||||||||
Notes [6] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point. Justification: Results were reported descriptively and were not planned to be analyzed for statistically significant differences between groups. [7] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||
|
|||||||||
No statistical analyses for this end point |
|
|||||||||
End point title |
Phase 1 (LA/mGC): MTD of Capecitabine when Combined with Trastuzumab Emtansine (2.4 mg/kg QW) [8] [9] | ||||||||
End point description |
MTD was defined as the dose level for which the probability of DLT is equal to a protocol-specified target probability. A DLT was defined as any one of the following study treatment related toxicities: Uncomplicated Grade 4 thrombocytopenia that does not recover before Day 21; thrombocytopenia complicated with clinically significant bleeding requiring medical intervention; Grade 4 neutropenia lasting >7 consecutive days; febrile neutropenia with ANC <1000 cells/mm^3; Grade >/=3 diarrhea or Grade 3 hand-foot syndrome; any other Grade >/=3 toxicity prohibiting start of Cycle 2; Grade 2 toxicity requiring treatment interruption for >14 days; <14 full doses of capecitabine; Cycle 2 dose level <100%. Analysis was performed on Phase 1 DLT-evaluable population for LA/mGC cohort.
|
||||||||
End point type |
Primary
|
||||||||
End point timeframe |
Continuously during 3 weeks
|
||||||||
Notes [8] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point. Justification: Results were reported descriptively and were not planned to be analyzed for statistically significant differences between groups. [9] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||
|
|||||||||
No statistical analyses for this end point |
|
|||||||||||||
End point title |
Phase 1 (mBC): Percentage of Participants with BOR as Assessed by the Investigator According to RECIST v1.1 [10] | ||||||||||||
End point description |
Tumor response was assessed by the investigator according to RECIST v1.1. BOR in Phase 1 was defined as percentage of participants with a CR or PR. CR was defined as the disappearance of all TLs and non-TLs; SA reduction to <10 mm for nodal TLs/non-TLs; and no new lesions. PR was defined as >/=30% decrease in SoD of TLs, taking as reference the baseline SoD; no progression in non-TLs; and no new lesions. Analysis was performed on Phase 1 DLT-evaluable population for mBC cohort.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Baseline until CR/PR, consent withdrawal, or study end whichever occurred first (up to approximately 3.5 years overall)
|
||||||||||||
Notes [10] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||
|
|||||||||||||
No statistical analyses for this end point |
|
||||||||||||||||||||||
End point title |
Phase 1 (mBC): Serum Concentration of Trastuzumab Emtansine [11] | |||||||||||||||||||||
End point description |
Analysis was performed on Phase 1 pharmacokinetic (PK) analysis population for mBC cohort, which included all mBC participants who received at least one dose of study medication during Phase 1 and had at least one reported serum or plasma result for PK.
|
|||||||||||||||||||||
End point type |
Secondary
|
|||||||||||||||||||||
End point timeframe |
Pre-trastuzumab emtansine dose (0 hour [h]) on Day 1 Cycle 2; 15-30 minutes (min) after end of trastuzumab emtansine infusion (maximum infusion duration = 90 min) on Day 2 Cycle 1 and Day 1 Cycle 2 (cycle length=21 days)
|
|||||||||||||||||||||
Notes [11] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
||||||||||||||||||||||
|
||||||||||||||||||||||
No statistical analyses for this end point |
|
||||||||||||||||||||||
End point title |
Phase 1 (mBC): Serum Concentration of Trastuzumab [12] | |||||||||||||||||||||
End point description |
Trastuzumab was derived from trastuzumab emtansine. Analysis was performed on Phase 1 PK analysis population for mBC cohort.
|
|||||||||||||||||||||
End point type |
Secondary
|
|||||||||||||||||||||
End point timeframe |
Pre-trastuzumab emtansine dose (0 h) on Day 1 Cycle 2; 15-30 min after end of trastuzumab emtansine infusion (maximum infusion duration = 90 min) on Day 2 Cycle 1 and Day 1 Cycle 2 (cycle length=21 days)
|
|||||||||||||||||||||
Notes [12] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
||||||||||||||||||||||
|
||||||||||||||||||||||
No statistical analyses for this end point |
|
|||||||||||||
End point title |
Phase 1 (mBC): Maximum Observed Plasma Concentration (Cmax) of Capecitabine [13] | ||||||||||||
End point description |
Cmax for Capecitabine was estimated from plasma concentration versus time data using non-compartmental methods of analysis. Reported dispersion values are for percent coefficient of variation (CV%). Analysis was performed on Phase 1 PK analysis population for mBC cohort.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Pre-capecitabine dose (0 h) and 0.5, 1, 1.5, 2, 2.5, 4, and 6 h post-capecitabine dose on Day 1 Cycle 1
|
||||||||||||
Notes [13] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||
|
|||||||||||||
No statistical analyses for this end point |
|
|||||||||||||
End point title |
Phase 1 (mBC): Area Under the Plasma Concentration-Time Curve From Time Zero to infinity (AUC[0-inf]) of Capecitabine [14] | ||||||||||||
End point description |
AUC(0-inf) is the measure of total drug exposure and is dependent on the total amount of drug absorbed. AUC(0-inf) for capecitabine was estimated from plasma concentration versus time data using non-compartmental methods of analysis. Reported dispersion values are for CV%. Analysis was performed on Phase 1 PK analysis population for mBC cohort.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Pre-capecitabine dose (0 h) and 0.5, 1, 1.5, 2, 2.5, 4, and 6 h post-capecitabine dose on Day 1 Cycle 1
|
||||||||||||
Notes [14] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||
|
|||||||||||||
No statistical analyses for this end point |
|
|||||||||||||
End point title |
Phase 1 (mBC): Plasma Terminal Half-Life (t1/2) of Capecitabine [15] | ||||||||||||
End point description |
Plasma terminal half-life is the time measured for the plasma drug concentration to decrease by one half during the elimination phase of the drug. t1/2 for capecitabine was estimated from plasma concentration versus time data using non-compartmental methods of analysis. Reported dispersion values are for CV%. Analysis was performed on Phase 1 PK analysis population for mBC cohort.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Pre-capecitabine dose (0 h) and 0.5, 1, 1.5, 2, 2.5, 4, and 6 h post-capecitabine dose on Day 1 Cycle 1
|
||||||||||||
Notes [15] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||
|
|||||||||||||
No statistical analyses for this end point |
|
|||||||||||||
End point title |
Phase 1 (mBC): Cmax of 5-Fluorouracil (Metabolite of Capecitabine) [16] | ||||||||||||
End point description |
5-fluorouracil is a metabolite of capecitabine. Cmax for 5-fluorouracil was estimated from plasma concentration versus time data using non-compartmental methods of analysis. Reported dispersion values are for CV%. Analysis was performed on Phase 1 PK analysis population for mBC cohort.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Pre-capecitabine dose (0 h) and 0.5, 1, 1.5, 2, 2.5, 4, and 6 h post-capecitabine dose on Day 1 Cycle 1
|
||||||||||||
Notes [16] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||
|
|||||||||||||
No statistical analyses for this end point |
|
|||||||||||||
End point title |
Phase 1 (mBC): AUC(0-inf) of 5-Fluorouracil (Metabolite of Capecitabine) [17] | ||||||||||||
End point description |
5-fluorouracil is a metabolite of capecitabine. AUC(0-inf) is the measure of total drug exposure and is dependent on the total amount of drug absorbed. AUC(0-inf) for 5-fluorouracil was estimated from plasma concentration versus time data using non-compartmental methods of analysis. Reported dispersion values are for CV%. Analysis was performed on Phase 1 PK analysis population for mBC cohort.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Pre-capecitabine dose (0 h) and 0.5, 1, 1.5, 2, 2.5, 4, and 6 h post-capecitabine dose on Day 1 Cycle 1
|
||||||||||||
Notes [17] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||
|
|||||||||||||
No statistical analyses for this end point |
|
|||||||||||||
End point title |
Phase 1 (mBC): t1/2 of 5-Fluorouracil (Metabolite of Capecitabine) [18] | ||||||||||||
End point description |
5-fluorouracil is a metabolite of capecitabine. Plasma terminal half-life is the time measured for the plasma drug concentration to decrease by one half during the elimination phase of the drug. t1/2 for 5-fluorouracil was estimated from plasma concentration versus time data using non-compartmental methods of analysis. Reported dispersion values are for CV%. Analysis was performed on Phase 1 PK analysis population for mBC cohort.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Pre-capecitabine dose (0 h) and 0.5, 1, 1.5, 2, 2.5, 4, and 6 h post-capecitabine dose on Day 1 Cycle 1
|
||||||||||||
Notes [18] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||
|
|||||||||||||
No statistical analyses for this end point |
|
|||||||||||||
End point title |
Phase 2 (mBC): Time to Response (TTR) as Assessed by the Investigator According to RECIST v1.1 [19] | ||||||||||||
End point description |
Tumor response was assessed by the investigator according to RECIST v1.1. TTR was defined as the time (in months) from randomization to first documentation of confirmed PR or CR (whichever occurred first). CR was defined as the disappearance of all TLs and non-TLs; SA reduction to <10 mm for nodal TLs/non-TLs; and no new lesions. PR was defined as >/=30% decrease in SoD of TLs, taking as reference the baseline SoD; no progression in non-TLs; and no new lesions. Analysis was performed on ITT Population. Only participants with a BOR of CR or PR were included in the analysis.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Baseline until first documentation of confirmed PR or CR, whichever occurred first (up to approximately 2.5 years overall)
|
||||||||||||
Notes [19] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||
|
|||||||||||||
No statistical analyses for this end point |
|
|||||||||||||
End point title |
Phase 2 (mBC): Duration of Response (DoR) as Assessed by the Investigator According to RECIST v1.1 [20] | ||||||||||||
End point description |
DoR was defined as the time (in months) from the date of first recorded PR/CR until the date of PD or death from any cause. According to RECIST v1.1, CR: the disappearance of all TLs and non-TLs, SA reduction to <10 mm for nodal TLs/non-TLs, and no new lesions; PR: >/=30% decrease in SoD of TLs (taking as reference the baseline SoD), no progression in non-TLs, and no new lesions; PD: >/=20% relative increase with >/=5 mm of absolute increase in the SoD (taking as reference the smallest SoD recorded since treatment started), 1 or more new lesions, and/or unequivocal progression of non-TLs. Participants with no documented PD after CR/PR were censored at the time of last tumor assessment. Participants without post-baseline tumor assessment were censored at randomization plus 1 day. The median DOR and 90% CI were estimated using Kaplan-Meier method. ‘99999’=Upper limit of 90% CI could not be calculated due to insufficient number of participants who had an event.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
From the documentation of response until PD, death, consent withdrawal, or study end whichever occurred first (up to approximately 2.5 years overall)
|
||||||||||||
Notes [20] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||
|
|||||||||||||
Notes [21] - ITT Population participants with a BOR of CR or PR were included in the analysis. [22] - ITT Population participants with a BOR of CR or PR were included in the analysis. |
|||||||||||||
No statistical analyses for this end point |
|
|||||||||||||
End point title |
Phase 2 (mBC): Percentage of Participants with PD as Assessed by the Investigator According to RECIST v1.1 [23] | ||||||||||||
End point description |
Tumor response was assessed by the investigator according to RECIST v1.1. PD was defined as >/=20% relative increase with >/=5 mm of absolute increase in the SoD, taking as reference the smallest SoD recorded since treatment started; 1 or more new lesion(s); and/or unequivocal progression of non-TLs. Analysis was performed on ITT Population.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Baseline until PD, consent withdrawal, or study end whichever occurred first (up to approximately 2.5 years overall)
|
||||||||||||
Notes [23] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||
|
|||||||||||||
No statistical analyses for this end point |
|
|||||||||||||
End point title |
Phase 2 (mBC): Time to Progression (TTP) as Assessed by the Investigator According to RECIST v1.1 [24] | ||||||||||||
End point description |
Tumor response was assessed by the investigator according to RECIST v1.1. TTP was defined as the time (in months) from randomization to the first occurrence of PD. PD was defined as >/=20% relative increase with >/=5 mm of absolute increase in the SoD, taking as reference the smallest SoD recorded since treatment started; 1 or more new lesion(s); and/or unequivocal progression of non-TLs. Participants with no documented PD at the time of study end (including participants who died before PD) or who were lost to follow-up were censored on the date of the last tumor assessment. The median TTP and 90% CI was estimated using Kaplan-Meier method. Analysis was performed on ITT Population.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Baseline until PD, consent withdrawal, or study end whichever occurred first (up to approximately 2.5 years overall)
|
||||||||||||
Notes [24] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||
|
|||||||||||||
No statistical analyses for this end point |
|
|||||||||||||
End point title |
Phase 2 (mBC): Percentage of Participants with Treatment Failure as Assessed by the Investigator According to RECIST v1.1 [25] | ||||||||||||
End point description |
Treatment failure was defined as occurrence of any of the following event while on treatment: PD, death, withdrawal due to adverse event (AE) or laboratory abnormality, or refusal of treatment. PD as assessed by the investigator according to RECIST v1.1 was defined as >/=20% relative increase with >/=5 mm of absolute increase in the SoD, taking as reference the smallest SoD recorded since treatment started; 1 or more new lesion(s); and/or unequivocal progression of non-TLs. Analysis was performed on ITT Population.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Baseline until treatment failure, consent withdrawal, or study end whichever occurred first (up to approximately 2.5 years overall)
|
||||||||||||
Notes [25] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||
|
|||||||||||||
No statistical analyses for this end point |
|
|||||||||||||
End point title |
Phase 2 (mBC): Time to Treatment Failure (TTF) as Assessed by the Investigator According to RECIST v1.1 [26] | ||||||||||||
End point description |
TTF was defined as the time (in months) from randomization until treatment failure (PD, death, withdrawal due to AE or laboratory abnormality, or refusal of treatment). PD as assessed by the investigator according to RECIST v1.1 was defined as >/=20% relative increase with >/=5 mm of absolute increase in the SoD, taking as reference the smallest SoD recorded since treatment started; 1 or more new lesion(s); and/or unequivocal progression of non-TLs. Participants who did not experience any of the above events while on study were censored on the date of their last tumor assessment. The median TTF and 90% CI was estimated using Kaplan-Meier method. Analysis was performed on ITT Population.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Baseline until treatment failure, consent withdrawal, or study end whichever occurred first (up to approximately 2.5 years overall)
|
||||||||||||
Notes [26] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||
|
|||||||||||||
No statistical analyses for this end point |
|
|||||||||||||
End point title |
Phase 2 (mBC): Percentage of Participants With PD as Assessed by the Investigator According to RECIST v1.1 or Death from any Cause [27] | ||||||||||||
End point description |
Tumor response was assessed by the investigator according to RECIST v1.1. PD was defined as >/=20% relative increase with >/=5 mm of absolute increase in the SoD, taking as reference the smallest SoD recorded since treatment started; 1 or more new lesion(s); and/or unequivocal progression of non-TLs. Analysis was performed on ITT Population.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Baseline until PD, death from any cause, consent withdrawal, or study end whichever occurred first (up to approximately 2.5 years overall)
|
||||||||||||
Notes [27] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||
|
|||||||||||||
No statistical analyses for this end point |
|
|||||||||||||
End point title |
Phase 2 (mBC): Progression-Free Survival (PFS) as Assessed by the Investigator According to RECIST v1.1 [28] | ||||||||||||
End point description |
Tumor response was assessed by the investigator according to RECIST v1.1. PFS was defined as the time (in months) from randomization until the first documented PD or death from any cause, whichever occurred first. PD was defined as >/=20% relative increase with >/=5 mm of absolute increase in the SoD, taking as reference the smallest SoD recorded since treatment started; 1 or more new lesion(s); and/or unequivocal progression of non-TLs. Participants with no PFS events were censored on the date of the last tumor assessment. Participants without post-baseline tumor assessment were censored at randomization plus 1 day. The median PFS and 90% CI was estimated using Kaplan-Meier method. Analysis was performed on ITT Population.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Baseline until PD, death from any cause, consent withdrawal, or study end whichever occurred first (up to approximately 2.5 years overall)
|
||||||||||||
Notes [28] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||
|
|||||||||||||
No statistical analyses for this end point |
|
|||||||||||||
End point title |
Phase 2 (mBC): Percentage of Participants with Clinical Benefit as Assessed by the Investigator According to RECIST v1.1 [29] | ||||||||||||
End point description |
The clinical benefit was defined as a confirmed response of CR, PR, or stable disease (SD) that lasted for at least 6 months. Tumor response was assessed by the investigator according to RECIST v1.1. CR: the disappearance of all TLs and non-TLs; SA reduction to <10 mm for nodal TLs/non-TLs; and no new lesions. PR: >/=30% decrease in SoD of TLs, taking as reference the baseline SoD; no progression in non-TLs; and no new lesions. PD: >/=20% relative increase with >/=5 mm of absolute increase in the SoD, taking as reference the smallest SoD recorded since treatment started; 1 or more new lesion(s); and/or unequivocal progression of non-TLs. SD: neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest SoD on study. The 90% CI was computed using Clopper-Pearson approach. Analysis was performed on ITT Population.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Baseline until clinical benefit response, consent withdrawal, or study end whichever occurred first (up to approximately 2.5 years overall)
|
||||||||||||
Notes [29] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||
|
|||||||||||||
No statistical analyses for this end point |
|
|||||||||||||
End point title |
Phase 2 (mBC): Percentage of Participants who Died of any Cause [30] | ||||||||||||
End point description |
Analysis was performed on ITT Population.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Baseline until death or study end whichever occurred first (up to approximately 2.5 years overall)
|
||||||||||||
Notes [30] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||
|
|||||||||||||
No statistical analyses for this end point |
|
|||||||||||||
End point title |
Phase 2 (mBC): Overall Survival (OS) [31] | ||||||||||||
End point description |
OS was defined as the time (in months) from randomization until death from any cause. Participants who were alive at the time of data cut-off were censored on the date of the last follow-up assessment. Participants who were lost to follow-up were censored on the date of last contact. The median OS and 90% CI was estimated using Kaplan-Meier method. Analysis was performed on ITT Population. The data ‘99999’ in the results signifies that Median and/or 90% CI could not be calculated due to insufficient number of participants who had an event.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Baseline until death or study end whichever occurred first (up to approximately 2.5 years overall)
|
||||||||||||
Notes [31] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||
|
|||||||||||||
No statistical analyses for this end point |
|
|||||||||
End point title |
Phase 1 (LA/mGC): Percentage of Participants with BOR as Assessed by the Investigator According to RECIST v1.1 [32] | ||||||||
End point description |
Tumor response was assessed by the investigator according to RECIST v1.1. BOR in Phase 1 was defined as percentage of participants with a CR or PR. CR was defined as the disappearance of all TLs and non-TLs; SA reduction to <10 mm for nodal TLs/non-TLs; and no new lesions. PR was defined as >/=30% decrease in SoD of TLs, taking as reference the baseline SoD; no progression in non-TLs; and no new lesions. Analysis was performed on Phase 1 DLT-evaluable population for LA/mGC cohort.
|
||||||||
End point type |
Secondary
|
||||||||
End point timeframe |
Baseline until CR/PR, consent withdrawal, or study end whichever occurred first (up to approximately 1.5 years overall)
|
||||||||
Notes [32] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||
|
|||||||||
No statistical analyses for this end point |
|
|||||||||||||||
End point title |
Phase 1 (LA/mGC): Serum Concentration of Trastuzumab Emtansine [33] | ||||||||||||||
End point description |
Analysis was performed on Phase 1 PK analysis population for LA/mGC cohort.
|
||||||||||||||
End point type |
Secondary
|
||||||||||||||
End point timeframe |
Pre-trastuzumab emtansine dose (0 h) on Day 1 Cycle 2; 15-30 min after end of trastuzumab emtansine infusion (maximum infusion duration = 90 min) on Day 2 Cycle 1 and Day 1 Cycle 2 (cycle length=21 days)
|
||||||||||||||
Notes [33] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||||
|
|||||||||||||||
No statistical analyses for this end point |
|
|||||||||||||||
End point title |
Phase 1 (LA/mGC): Serum Concentration of Trastuzumab [34] | ||||||||||||||
End point description |
Trastuzumab was derived from trastuzumab emtansine. Analysis was performed on Phase 1 PK analysis population for LA/mGC cohort.
|
||||||||||||||
End point type |
Secondary
|
||||||||||||||
End point timeframe |
Pre-trastuzumab emtansine dose (0 h) on Day 1 Cycle 2; 15-30 min after end of trastuzumab emtansine infusion (maximum infusion duration = 90 min) on Day 2 Cycle 1 and Day 1 Cycle 2 (cycle length=21 days)
|
||||||||||||||
Notes [34] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||||||||
|
|||||||||||||||
No statistical analyses for this end point |
|
|||||||||
End point title |
Phase 1 (LA/mGC): Cmax of Capecitabine [35] | ||||||||
End point description |
Cmax for capecitabine was estimated from plasma concentration versus time data using non-compartmental methods of analysis. Reported dispersion values are for CV%. Analysis was performed on Phase 1 PK analysis population for LA/mGC cohort.
|
||||||||
End point type |
Secondary
|
||||||||
End point timeframe |
Pre-capecitabine dose (0 h) and 0.5, 1, 1.5, 2, 2.5, 4, and 6 h post-capecitabine dose on Day 1 Cycle 1
|
||||||||
Notes [35] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||
|
|||||||||
No statistical analyses for this end point |
|
|||||||||
End point title |
Phase 1 (LA/mGC): AUC(0-inf) of Capecitabine [36] | ||||||||
End point description |
AUC(0-inf) is the measure of total drug exposure and is dependent on the total amount of drug absorbed. AUC(0-inf) for capecitabine was estimated from plasma concentration versus time data using non-compartmental methods of analysis. Reported dispersion values are for CV%. Analysis was performed on Phase 1 PK analysis population for LA/mGC cohort.
|
||||||||
End point type |
Secondary
|
||||||||
End point timeframe |
Pre-capecitabine dose (0h) and 0.5, 1, 1.5, 2, 2.5, 4, and 6 h post-capecitabine dose on Day 1 Cycle 1
|
||||||||
Notes [36] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||
|
|||||||||
No statistical analyses for this end point |
|
|||||||||
End point title |
Phase 1 (LA/mGC): t1/2 of Capecitabine [37] | ||||||||
End point description |
Plasma terminal half-life is the time measured for the plasma drug concentration to decrease by one half during the elimination phase of the drug. t1/2 for capecitabine was estimated from plasma concentration versus time data using non-compartmental methods of analysis. Reported dispersion values are for CV%. Analysis was performed on Phase 1 PK analysis population for LA/mGC cohort.
|
||||||||
End point type |
Secondary
|
||||||||
End point timeframe |
Pre-capecitabine dose (0 h) and 0.5, 1, 1.5, 2, 2.5, 4, and 6 h post-capecitabine dose on Day 1 Cycle 1
|
||||||||
Notes [37] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||
|
|||||||||
No statistical analyses for this end point |
|
|||||||||
End point title |
Phase 1 (LA/mGC): Cmax of 5-Fluorouracil (Metabolite of Capecitabine) [38] | ||||||||
End point description |
5-fluorouracil is a metabolite of capecitabine. Cmax for 5-fluorouracil was estimated from plasma concentration versus time data using non-compartmental methods of analysis. Reported dispersion values are for CV%. Analysis was performed on Phase 1 PK analysis population for LA/mGC cohort.
|
||||||||
End point type |
Secondary
|
||||||||
End point timeframe |
Pre-capecitabine dose (0 h) and 0.5, 1, 1.5, 2, 2.5, 4, and 6 h post-capecitabine dose on Day 1 Cycle 1
|
||||||||
Notes [38] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||
|
|||||||||
No statistical analyses for this end point |
|
|||||||||
End point title |
Phase 1 (LA/mGC): AUC(0-inf) of 5-Fluorouracil (Metabolite of Capecitabine) [39] | ||||||||
End point description |
5-fluorouracil is a metabolite of capecitabine. AUC(0-inf) is the measure of total drug exposure and is dependent on the total amount of drug absorbed. AUC(0-inf) for 5-fluorouracil was estimated from plasma concentration versus time data using non-compartmental methods of analysis. Reported dispersion values are for CV%. Analysis was performed on Phase 1 PK analysis population for LA/mGC cohort.
|
||||||||
End point type |
Secondary
|
||||||||
End point timeframe |
Pre-capecitabine dose (0 h) and 0.5, 1, 1.5, 2, 2.5, 4, and 6 h post-capecitabine dose on Day 1 Cycle 1
|
||||||||
Notes [39] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||
|
|||||||||
No statistical analyses for this end point |
|
|||||||||
End point title |
Phase 1 (LA/mGC): t1/2 of 5-Fluorouracil (Metabolite of Capecitabine) [40] | ||||||||
End point description |
5-fluorouracil is a metabolite of capecitabine. Plasma terminal half-life is the time measured for the plasma drug concentration to decrease by one half during the elimination phase of the drug. t1/2 for 5-fluorouracil was estimated from plasma concentration versus time data using non-compartmental methods of analysis. Reported dispersion values are for CV%. Analysis was performed on Phase 1 PK analysis population for LA/mGC cohort.
|
||||||||
End point type |
Secondary
|
||||||||
End point timeframe |
Pre-capecitabine dose (0 h) and 0.5, 1, 1.5, 2, 2.5, 4, and 6 h post-capecitabine dose on Day 1 Cycle 1
|
||||||||
Notes [40] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Reported analysis was planned to be carried out in the indicated arm(s) only. |
|||||||||
|
|||||||||
No statistical analyses for this end point |
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Adverse events information
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Timeframe for reporting adverse events |
Baseline up to 42 days after last dose (up to 4.5 years overall)
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Adverse event reporting additional description |
Safety population: Participants who received >/=1 dose of study drug, analyzed as per actual treatment received. In Phase 2, of 161 participants, 1 was randomized in error(received no treatment) and was excluded from safety analysis and 1 who was randomized to T-DM1 alone Arm received Capecitabine throughout study and was counted in T-DM1+Cape Arm.
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Assessment type |
Non-systematic | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary used for adverse event reporting
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Dictionary name |
MedDRA | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary version |
20.0
|
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Reporting groups
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Reporting group title |
Phase 1 (mBC) Cohort 1 (DL 1): T-DM1 + Cape
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group description |
In Phase 1, participants with mBC received trastuzumab emtansine at a dose of 3.6 mg/kg via IV infusion (on Day 1 [on Day 2 for Cycle 1] of each 21-day cycle) along with capecitabine at a dose level of 750 mg/m^2 via tablet orally twice daily on days 1-14 of each 21-day cycle until unacceptable toxicity, withdrawal of consent, PD, death, reasons deemed by the treating physician, or study termination by the sponsor. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Phase 1 (mBC) Cohort 1 (DL -1): T-DM1 + Cape
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group description |
In Phase 1, participants with mBC received trastuzumab emtansine at a dose of 3.6 mg/kg via IV infusion (on Day 1 [on Day 2 for Cycle 1] of each 21-day cycle) along with capecitabine at a dose level of 700 mg/m^2 via tablet orally twice daily on days 1-14 of each 21-day cycle until unacceptable toxicity, withdrawal of consent, PD, death, reasons deemed by the treating physician, or study termination by the sponsor. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Phase 1 (LA/mGC) Cohort 2 (DL -1): T-DM1 + Cape
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group description |
In Phase 1, participants with LA/mGC received trastuzumab emtansine at a dose of 2.4 mg/kg via IV infusion on Day 1 (Day 2 of first week) QW along with capecitabine at a dose level of 700 mg/m^2 via tablet orally twice daily on days 1-14 followed by a 7-day rest period until unacceptable toxicity, withdrawal of consent, PD, death, reasons deemed by the treating physician, or study termination by the sponsor. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Phase 2 (mBC): T-DM1 + Cape
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group description |
In Phase 2, participants with mBC received trastuzumab emtansine at a dose of 3.6 mg/kg via IV infusion on Day 1 of each 21-day cycle along with capecitabine at a dose level of 700 mg/m^2 via tablet orally twice daily on days 1-14 of each 21-day cycle until unacceptable toxicity, withdrawal of consent, PD, death, reasons deemed by the treating physician, or study termination by the sponsor. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Phase 2 (mBC): T-DM1
|
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Reporting group description |
In Pahse 2, participants with mBC received trastuzumab emtansine at a dose of 3.6 mg/kg via IV infusion on Day 1 of each 21-day cycle until investigator-assessed PD, unacceptable toxicity, withdrawal of consent, death, reasons deemed by the treating physician, or study termination by the Sponsor. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Frequency threshold for reporting non-serious adverse events: 5% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Substantial protocol amendments (globally) |
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Were there any global substantial amendments to the protocol? Yes | |||
Date |
Amendment |
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03 Sep 2013 |
Dose modification guidance and DLT definition were updated in line with the most recent investigator brochure (IB) (Version 7.0); Participant retention on combination regimen was clarified to allow an additional safety follow-up and collection of tumor response data from these participants; Design of the Phase 2 part of the study was changed to the open-label, randomized exploration of efficacy and safety of the combination of trastuzumab emtansine with capecitabine compared with trastuzumab emtansine alone. Number of participants to be enrolled into Phase 2 was changed accordingly; The IDMC for Phase 2 was introduced to monitor safety outcomes. |
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30 Jun 2014 |
Design of the study was changed to increase the sample size for the randomized Phase 2 part from 117 participants to 210 participants; The protocol was simplified following the determination of the MTD in Phase 1 to remove information relating to dose de-escalation that was no longer relevant; The advice on contraception was updated in line with the latest trastuzumab (Herceptin) IB (Version 14). |
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23 Mar 2016 |
The section of risks associated with capecitabine was updated following the inclusion of the contraindication in the capecitabine summary of product characteristics (SmPC) for participants with known complete absence of DPD activity; Side effects associated with capecitabine were updated; Information regarding the risk of taking leucovorin was added as it may increase the toxicity of capecitabine; The safety reporting requirements for pregnancies was updated; Sections on assessment of causality of new AEs, AEs occurring secondary to other events, deaths, and pre-existing medical conditions were updated in line with the latest sponsor guidance; Sections describing the reporting of abnormal vital sign values, abnormal liver function tests (LFTs), and AEs associated with an overdose or error in drug administration were added; Medical monitor and statistician for the study were replaced; The number of participants in the Phase 2 part of the study were reduced from 210 participants to 160 participants, due to slow recruitment and difficulty finding participants. |
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Interruptions (globally) |
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Were there any global interruptions to the trial? No | |||
Limitations and caveats |
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Limitations of the trial such as small numbers of subjects analysed or technical problems leading to unreliable data. | |||
The sponsor decided to terminate the study after 70% of participants had experienced a PFS event. Participants were allowed to continue treatment by enrolling into study NCT00781612 or by moving to commercial drug, depending on their country. |