Clinical Trial Results:
EFFICACY AND SAFETY OF LANREOTIDE ATG 120 MG IN COMBINATION WITH TMZ IN SUBJECTS WITH PROGRESSIVE WELL DIFFERENTIATED THORACIC NEUROENDOCRINE TUMOURS
Summary
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EudraCT number |
2014-005579-10 |
Trial protocol |
IT |
Global end of trial date |
18 Jun 2019
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Results information
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Results version number |
v1(current) |
This version publication date |
20 Aug 2020
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First version publication date |
20 Aug 2020
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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 |
A-93-52030-325
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Additional study identifiers
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ISRCTN number |
- | ||
US NCT number |
NCT02698410 | ||
WHO universal trial number (UTN) |
- | ||
Sponsors
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Sponsor organisation name |
Ipsen SpA
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Sponsor organisation address |
Via del Bosco Rinnovato n. 6, Milanofiori Nord - Palazzo U7, Assago, Italy, 20090
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Public contact |
Medical Director, Ipsen SpA, clinical.trials@ipsen.com
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Scientific contact |
Medical Director, Ipsen SpA, clinical.trials@ipsen.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 |
18 Jun 2019
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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 |
18 Jun 2019
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Was the trial ended prematurely? |
No
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General information about the trial
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Main objective of the trial |
The primary objective of this study was to evaluate the efficacy of lanreotide autogel (ATG) 120 milligrams (mg) in combination with temozolomide (TMZ) in participants with unresectable advanced neuroendocrine tumours (NET) of the lung (typical and atypical carcinoids according to the WHO 2004 criteria) or thymus as disease control rate (DCR), defined as complete response (CR), partial response (PR) and stable disease (SD) at 9 months, according to Response Evaluation Criteria in Solid Tumours (RECIST) criteria v 1.1.
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Protection of trial subjects |
The study was conducted under the provisions of the Declaration of Helsinki (version 2013), in accordance with the International Conference on Harmonisation Consolidated Guideline on Good Clinical Practice and in compliance with independent ethics committees and informed consent regulations.
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Background therapy |
- | ||
Evidence for comparator |
- | ||
Actual start date of recruitment |
06 Jul 2016
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Long term follow-up planned |
No
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Independent data monitoring committee (IDMC) involvement? |
No
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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 |
Italy: 40
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Worldwide total number of subjects |
40
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EEA total number of subjects |
40
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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) |
14
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From 65 to 84 years |
26
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85 years and over |
0
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Recruitment
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Recruitment details |
This pilot study was conducted at 11 investigational sites in Italy between 06 July 2016 and 18 June 2019. | ||||||||||||||
Pre-assignment
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Screening details |
The study consisted of a screening period (maximum 4 weeks), followed by an open label treatment period of up to a maximum of 52 weeks or until disease progression, death or unacceptable toxicity, or subject/physician decision. | ||||||||||||||
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 |
Not applicable
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Blinding used |
Not blinded | ||||||||||||||
Arms
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Arm title
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Lanreotide ATG plus Temozolomide | ||||||||||||||
Arm description |
Lanreotide ATG 120 mg was administered by deep subcutaneous injection on Day 1 (baseline) and every 28 days for up to 52 weeks. Participants also received temozolomide 250 mg capsule orally once daily for 5 consecutive days every 28 days for up to 52 weeks. The dose of temozolomide could subsequently be reduced to 180 mg daily for 5 consecutive days every 28 days in case of bone marrow toxicity. | ||||||||||||||
Arm type |
Experimental | ||||||||||||||
Investigational medicinal product name |
Lanreotide
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Investigational medicinal product code |
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Other name |
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Pharmaceutical forms |
Solution for injection
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Routes of administration |
Subcutaneous use
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Dosage and administration details |
A dose of lanreotide ATG 120 mg was provided in a pre-filled syringe at baseline and every 28 days for a maximum of 48 weeks of treatment (total number of 13 injections), and a maximum delay of 4 weeks in lanreotide administration was allowed.
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Investigational medicinal product name |
Temozolomide
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Investigational medicinal product code |
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Other name |
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Pharmaceutical forms |
Capsule, hard
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Routes of administration |
Oral use
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Dosage and administration details |
A starting dose of temozolomide 250 mg/day was administered in the fasting state for 5 consecutive days every 28 days for a maximum of 48 weeks or until progression/death or toxicity. In case of bone marrow toxicity the dose could subsequently be reduced to 180 mg daily for 5 consecutive days of each month.
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Baseline characteristics reporting groups
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Reporting group title |
Lanreotide ATG plus Temozolomide
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Reporting group description |
Lanreotide ATG 120 mg was administered by deep subcutaneous injection on Day 1 (baseline) and every 28 days for up to 52 weeks. Participants also received temozolomide 250 mg capsule orally once daily for 5 consecutive days every 28 days for up to 52 weeks. The dose of temozolomide could subsequently be reduced to 180 mg daily for 5 consecutive days every 28 days in case of bone marrow toxicity. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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End points reporting groups
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Reporting group title |
Lanreotide ATG plus Temozolomide
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Reporting group description |
Lanreotide ATG 120 mg was administered by deep subcutaneous injection on Day 1 (baseline) and every 28 days for up to 52 weeks. Participants also received temozolomide 250 mg capsule orally once daily for 5 consecutive days every 28 days for up to 52 weeks. The dose of temozolomide could subsequently be reduced to 180 mg daily for 5 consecutive days every 28 days in case of bone marrow toxicity. |
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End point title |
DCR Assessed Locally at Month 9 [1] | ||||||||||||||
End point description |
Responders were participants who showed disease control according to RECIST criteria v 1.1 assessed locally by the investigator. DCR was defined as CR, PR or SD according to RECIST criteria v1.1. A sensitivity analysis-1 of local DCR was performed excluding participants withdrawn before 9 months with reason other than progressive disease (PD) or missing assessment and considering participants with PD prior or at 9 months as failures. A sensitivity analysis-2 was performed to consider assessments done between 7.5 and 10.5 months as 9 months assessments when 9-month assessment was missing using same methodology of sensitivity analysis-1. P-value for DCR to 30% and 10% clinically relevant threshold was 0.2968 and <0.0001, respectively. P-value for sensitivity analysis-1 DCR to 30% and 10% clinically relevant threshold was 0.0534 and <0.0001, respectively. P-value for sensitivity analysis-2 DCR to 30% and 10% clinically relevant threshold was 0.032 and <0.0001, respectively.
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End point type |
Primary
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End point timeframe |
Up to Month 9; for sensitivity analysis-2, up to 10.5 months
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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: As data is presented for a single reporting arm, the analysis of the comparison of DCR to the clinically relevant threshold of 30% and 10% is reported within the end point description. |
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Notes [2] - The ITT/Safety population. Here, n = number of participants analysed for each time point. |
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No statistical analyses for this end point |
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End point title |
DCR Assessed Centrally at Month 9 | ||||||||
End point description |
The DCR was defined as SD, PR or CR according to RECIST criteria v1.1. A second set of the original computed tomography (CT) scan images were used for a centralized RECIST v1.1 assessment by an independent radiologist. The ITT/Safety population included all participants who received at least 1 dose of study medication (either lanreotide ATG 120 mg or temozolomide).
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End point type |
Secondary
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End point timeframe |
Up to Month 9
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No statistical analyses for this end point |
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End point title |
Median Progression Free Survival (PFS) Assessed Locally and Centrally | ||||||||||||
End point description |
The PFS was defined as the time from the first treatment administration to disease progression according to RECIST criteria v 1.1 or death from any cause. The PFS was assessed locally by the investigator and centrally by an independent radiologist. The distribution of PFS times was estimated using the Kaplan-Meier method. The PFS of participants who were lost to follow-up and those who had not progressed at end of study were censored at the date of the last disease assessment. The ITT/Safety population included all participants who received at least 1 dose of study medication (either lanreotide ATG 120 mg or temozolomide).
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End point type |
Secondary
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End point timeframe |
From Day 1 up to end of study, 52 weeks
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No statistical analyses for this end point |
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End point title |
Median Time to Response (TTR) Assessed Locally and Centrally | ||||||||||||
End point description |
The TTR was defined as the time from first treatment administration to the first objective tumour response (PR or CR according to RECIST criteria v 1.1). The TTR was assessed locally by the investigator and centrally by an independent radiologist. The distribution of TTR was estimated using the Kaplan-Meier method. The TTR of participants who were lost to follow-up or died prior to any objective tumour response were censored at the date of the last disease assessment. The ITT/Safety population included all participants who received at least 1 dose of study medication (either lanreotide ATG 120 mg or temozolomide). -9999 and 9999 = Not computed as the median TTR could not be estimated due to the low number of participants with an objective response (OR).
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End point type |
Secondary
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End point timeframe |
From Day 1 up to end of study, 52 weeks
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No statistical analyses for this end point |
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End point title |
Median Duration of Response (DOR) Assessed Locally and Centrally | ||||||||||||
End point description |
The DOR was defined as the time from onset of the first objective tumour response (PR or CR) to objective tumour progression (PD) according to RECIST criteria v 1.1. The DOR was assessed locally by the investigator and centrally by an independent radiologist. The ITT/Safety population included all participants who received at least 1 dose of study medication (either lanreotide ATG 120 mg or temozolomide). -9999 and 9999 = The median DOR could not be estimated due to the low number of participants with an OR with no documented PD.
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End point type |
Secondary
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End point timeframe |
From Day 1 up to end of study, 52 weeks
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No statistical analyses for this end point |
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End point title |
Median Time to Progression (TTP) Assessed Locally and Centrally | ||||||||||||
End point description |
The TTP was defined as the time from first treatment administration to the first objective tumour progression (PD) according to RECIST criteria v 1.1. The TTP was assessed locally by the investigator and centrally by an independent radiologist. The distribution of TTP times was estimated using the Kaplan-Meier method. The TTP of participants who were lost to follow-up, and those who had not progressed at end of study were censored at the date of the last disease assessment. The ITT/Safety population included all participants who received at least 1 dose of study medication (either lanreotide ATG 120 mg or temozolomide).
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End point type |
Secondary
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End point timeframe |
From Day 1 up to end of study, 52 weeks
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No statistical analyses for this end point |
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End point title |
Best Overall Response (BOR) Assessed Locally and Centrally | ||||||||||||||||||||||||||||||||||||
End point description |
The BOR was defined as the highest OR achieved by the participant from the time of first treatment until disease progression/recurrence or the end of study according to RECIST criteria v1.1 and was classified as: CR > PR > Non-CR/Non-progressive disease (NCR/NPD) > SD > PD > ND > not evaluable (NE). The BOR was assessed locally by the investigator and centrally by an independent radiologist. Percentages are based on the number of participants in the ITT/Safety population with non-missing observations. The ITT/Safety population included all participants who received at least 1 dose of study medication (either lanreotide ATG 120 mg or temozolomide). Here, 'n' is defined as number of participants analysed at each assessments.
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End point type |
Secondary
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End point timeframe |
From Day 1 up to end of study, 52 weeks
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No statistical analyses for this end point |
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End point title |
Objective Response Rate (ORR) Assessed Locally and Centrally at Months 9 and 12 | ||||||||||||||||
End point description |
The ORR was defined as the percentage of participants with CR or PR according to RECIST criteria v1.1. The ORR was assessed locally by the investigator and centrally by an independent radiologist. The ORR was based on the participants with PD prior to 9 and 12 months with respectively PD at 9 and 12 months, and participants withdrawn before the assessment for reason other than PD or missing as failures. The ITT/Safety population included all participants who received at least 1 dose of study medication (either lanreotide ATG 120 mg or temozolomide).
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End point type |
Secondary
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End point timeframe |
Months 9 and 12
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No statistical analyses for this end point |
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End point title |
DCR Assessed Locally and Centrally at Month 12 | ||||||||||||
End point description |
The DCR was defined as SD, PR or CR according to RECIST criteria v1.1. The DCR was assessed locally by the investigator and centrally by an independent radiologist. The ITT/Safety population included all participants who received at least 1 dose of study medication (either lanreotide ATG 120 mg or temozolomide).
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End point type |
Secondary
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End point timeframe |
Month 12
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No statistical analyses for this end point |
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End point title |
DCR Assessed Locally and Centrally at Month 9 by Carcinoid Type | ||||||||||||||||||||
End point description |
The influence of type of carcinoid (typical, atypical and undetermined carcinoid NET) on the local and central DCR at 9 months was analysed. Typical carcinoids were defined with absent foci of necrosis and mitotic count < 2 mitoses/2 millimeters^2 (mm^2); atypical carcinoids were defined with presence of foci of necrosis and/or 2 mitoses/2 mm^2 <= mitotic count <= 10 mitoses/2 mm^2; and carcinoid NET were defined as confirmed carcinoid without foci of necrosis and/or mitotic count reported. The DCR was assessed locally by the investigator and centrally by an independent radiologist. The ITT/Safety population included all participants who received at least 1 dose of study medication (either lanreotide ATG 120 mg or temozolomide). Here, 'n' is defined as number of participants analysed for each carcinoid type. -9999 and 9999 = The confidence interval could not be calculated due to no events.
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End point type |
Secondary
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End point timeframe |
Up to Month 9
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No statistical analyses for this end point |
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End point title |
Percentage of Biochemical Responders According to Chromogranin A (CgA) Plasma Levels | ||||||||||||||||||||||||||||||||||||||
End point description |
Participants with baseline CgA plasma levels greater than the upper limit of normal (ULN) were assessed for a biochemical response. A biochemical responder was defined as a participant who had a decrease of CgA >= 50% compared to baseline, while biochemical SD was defined as a decrease < 50% or an increase <= 25% compared to baseline. Biochemical non-responders had an increase >25% compared to baseline. Baseline was defined as value at Day 1. The ITT/Safety population included all participants who received at least 1 dose of study medication (either lanreotide ATG 120 mg or temozolomide). Only participants with baseline CgA levels greater than ULN were analysed. Here, 'n' is defined as number of participants analysed at specific time point.
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End point type |
Secondary
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End point timeframe |
Baseline (Day 1) and Week 4, 12, 24, 36 and 52
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No statistical analyses for this end point |
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End point title |
Neuron-Specific Enolase (NSE) and CgA Biomarker Levels | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point description |
The NSE and CgA levels were classified according to ULN as follows: < 1 ULN, 1-2 ULN and > 2 ULN. Baseline was defined as value at Day 1. Percentages are based on the number of participants in the ITT/Safety population who attended the visit with non-missing observations. The ITT/Safety population included all participants who received at least 1 dose of study medication (either lanreotide ATG 120 mg or temozolomide). Here, 'n' is defined as number of participants analysed at specific time point.
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End point type |
Secondary
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End point timeframe |
Baseline and Weeks 4, 12, 24, 36 and 52
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No statistical analyses for this end point |
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End point title |
Influence of Biomarkers Expression on Locally and Centrally Assessed PFS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point description |
The following biomarkers were investigated: Immunohistochemistry assay human somatostatin receptors 2 (SSTR2) including human epidermal growth factor receptor 2 (HER-2) score [0, 1+, 2+, 3+ and positive (+ve) versus negative (-ve)]; hormone receptor score (H-score) (from 0 to 300 as quantitative variable and +ve versus -ve); immunoreactive score (IRS) score (from 0 to 12 and reference for hazard ratio was 0-1). Ki67 index (from 0% to 100% and reference for hazard ratio was 4%-25%). O^6-methylguanine-DNA methyltransferase (MGMT) expression including percentage of +ve nuclei stained and methylated sites and H-score (from 0 to 300 as quantitative variable). For all these categories, higher score indicates a higher expression of biomarkers. Carcinoid type (typical or NET) was also investigated. Prognostic value of biomarkers expression at screening on PFS were assessed locally and centrally using univariate cox proportional hazard models. 9999= not calculated due to low number of events.
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End point type |
Secondary
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End point timeframe |
From Screening period (-4 weeks) up to Week 52
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Notes [3] - The ITT/Safety population. n = number of participants analysed in a specific model. |
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No statistical analyses for this end point |
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End point title |
Influence of Biomarkers Expression on Locally and Centrally Assessed ORR at Months 9 and 12 | ||||||||
End point description |
The following biomarkers were investigated: Immunohistochemistry assay SSTR2 including HER-2 score (0, 1+, 2+, 3+); H-score (from 0 to 300 as quantitative variable); IRS score (from 0 to 12). Ki67 index (from 0% to 100%). MGMT expression including percentage of +ve nuclei stained and methylated sites and H-score (from 0 to 300 as quantitative variable). For all these categories, higher score indicates a higher expression of biomarkers. The ITT/Safety population included all participants who received at least 1 dose of study medication (either lanreotide ATG 120 mg or temozolomide). Less than 5 OR (CR or PR) events were reported, therefore this analysis was not performed.
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End point type |
Secondary
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End point timeframe |
Screening period, Months 9 and 12
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Notes [4] - Less than 5 OR (CR or PR) events were reported, therefore this analysis was not performed. |
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No statistical analyses for this end point |
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End point title |
Influence of Biomarkers Expression on Locally and Centrally Assessed DCR at Months 9 and 12 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point description |
The following biomarkers were investigated: Immunohistochemistry assay SSTR2 including HER-2 score (0, 1+, 2+, 3+ and +ve versus -ve); H-score (from 0 to 300 as quantitative variable and +ve versus -ve); IRS score (from 0 to 12 and reference for odds ratio was 0-1). Ki67 index (from 0% to 100% and reference for odds ratio was 4%-25%). MGMT expression including percentage of +ve nuclei stained and methylated sites and H-score (from 0 to 300 as quantitative variable). For all these categories, higher score indicates a higher expression of biomarkers. Carcinoid type (typical or NET) was also investigated. Prognostic value of biomarkers expression at screening on DCR were assessed locally and centrally using univariate logistic regression models. M9= Month 9; M12= Month 12; Loc= Local assessment; Cntl= central assessment; -9999 and 9999= not calculated due to low number of events; -99999 and 99999= confidence interval could not be computed as odds ratio is <0.001.
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End point type |
Secondary
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End point timeframe |
Screening period, Months 9 and 12
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Notes [5] - The ITT/Safety population. n = number of participants analysed in a specific model. |
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No statistical analyses for this end point |
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End point title |
Coefficient of Agreement Between Central and Local Assessment of Tumour Radiological Response at Month 9 | ||||||||
End point description |
Differences between central radiology review and local investigator review were assessed according to the DCR status and the number of agreements and disagreements between the evaluators (central versus local) along with the p-values from the kappa test. A kappa statistic was used to evaluate the concordance between the central and the local review. The ITT/Safety population included all participants who received at least 1 dose of study medication (either lanreotide ATG 120 mg or temozolomide).
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End point type |
Secondary
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End point timeframe |
Month 9
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No statistical analyses for this end point |
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Adverse events information
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Timeframe for reporting adverse events |
Treatment-emergent adverse events were collected from the start of the first treatment (Day 1) until 4 weeks after the end of the last study treatment, up to a maximum of 52 weeks.
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Adverse event reporting additional description |
The ITT/Safety population included all participants who received at least 1 dose of study medication (either lanreotide ATG 120 mg or temozolomide). Number of deaths (all causes) occurred in both treatment period and follow-up period were reported.
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Assessment type |
Systematic | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary used for adverse event reporting
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Dictionary name |
MedDRA | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary version |
21.1
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Reporting groups
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Reporting group title |
Lanreotide ATG plus Temozolomide
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Reporting group description |
Lanreotide ATG 120 mg was administered by deep subcutaneous injection on Day 1 (baseline) and every 28 days for up to 52 weeks. Participants also received temozolomide 250 mg capsule orally once daily for 5 consecutive days every 28 days for up to 52 weeks. The dose of temozolomide could subsequently be reduced to 180 mg daily for 5 consecutive days every 28 days in case of bone marrow toxicity. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Frequency threshold for reporting non-serious adverse events: 0% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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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19 Oct 2016 |
A detailed description of optional sub study procedures (MGMT methylation and blood samples) was added. As consequence, the number and volume of blood samples to be collected was reduced. The analysis of MGMT methylation on tissue samples was added. This had no further impact on the participants and was to provide stronger data to the study. Participants with asymptomatic cholilithiasis, previously excluded from the study, could be enrolled. This was to guarantee as many participants as possible access to the study treatment. |
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16 Nov 2017 |
Amended to specify the timelines for adverse events collection, end of study visit and to specify a maximum delay for investigational medicinal product administration. Addition of specifications related to direct bilirubin assessment and specification that the description of the sub-study analysis will be performed through a separate statistical analysis plan and that the results will be reported separately. |
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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. | |||
None reported |