Clinical Trial Results:
Randomised controlled study comparing AEZS-108 with doxorubicin as second line therapy for locally advanced, recurrent or metastatic endometrial cancer (ZoptEC study)
Summary
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EudraCT number |
2012-005546-38 |
Trial protocol |
CZ BE GB AT DE ES IE IT BG NL PL DK FI |
Global end of trial date |
02 Feb 2017
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Results information
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Results version number |
v1(current) |
This version publication date |
11 Feb 2018
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First version publication date |
11 Feb 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 |
AEZS-108-050
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Additional study identifiers
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ISRCTN number |
- | ||
US NCT number |
NCT01767155 | ||
WHO universal trial number (UTN) |
- | ||
Sponsors
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Sponsor organisation name |
Aeterna Zentaris GmbH
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Sponsor organisation address |
Weismuellerstr. 50, Frankfurt am Main, Germany, 60314
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Public contact |
Clinical trial information desk, Aeterna Zentaris GmbH, +49 69426023429, clinical.trials@aezsinc.com
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Scientific contact |
Clinical trial information desk, Aeterna Zentaris GmbH, +49 69426023429, clinical.trials@aezsinc.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 |
01 May 2017
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Is this the analysis of the primary completion data? |
Yes
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Primary completion date |
02 Feb 2017
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Global end of trial reached? |
Yes
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Global end of trial date |
02 Feb 2017
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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 |
Compare the overall survival (OS) of patients treated with AEZS-108 to the overall survival of patients treated with doxorubicin
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Protection of trial subjects |
On a regular basis, results from safety analyses were submitted to an independent Data and Safety Monitoring Board (DSMB) that advised the Sponsor of potentially critical findings.
Safety evaluation comprised collection of data related to adverse events, clinical laboratoy parameters, ECGs and data on left ventricular ejection fraction (LVEF).
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Background therapy |
No specific background therapy was defined for this trial. One of the eligibilty criteria for this trial was: "No. 5: Patients with advanced, recurrent, or metastatic endometrial cancer who have received one chemotherapeutic regimen with platinum and taxane (either as adjuvant or as first line treatment) and who have progressed." Relevant exclusion criteria in this context: "No. 7: Chemo-, immune-, or hormone-therapy within 5 elimination half-life times or 4 weeks prior to randomization, whichever is the shorter. Radiotherapy (including pre- or post-operative brachytherapy) within 4 weeks prior to randomization. No 8: Previous anthracycline-based chemotherapy (daunorubicin, doxorubicin, epirubicin, idarubicin, mitoxantrone and valrubicin), in any formulation. No 9: Anticipated ongoing concomitant anticancer therapy during the study." All concomitant medications and therapies had to be recorded in the case report form. Permitted therapies defined in the protocol included antiemetics, anti-allergic treatments, hematopoietic blood components in case of delayed hematological recovery, colony stimulation factors, as well as supportive and palliative treatment without any anticancer effect. Prohibited therapies included concomitant anticancer therapies, live vaccines, amiodarone, and sotalol. | ||
Evidence for comparator |
In recent years, there has been a trend towards use of carboplatin/taxane for first line chemotherapy, so that doxorubicin whether as non-liposomal or pegylated liposomal doxorubicin (PLD) formulation is increasingly used in second line chemotherapy. Moderate response rates, however, have been reported for PLD when used in patients with prior chemotherapy (9 %), but also in patients without prior chemotherapy (11.5%), which could have been due to the selection of patients with less favorable prognosis for the latter trial. Based on the reported moderate activity of PLD when used for second line therapy of endometrial cancer, non-liposomal doxorubicin has been selected as comparator drug in this trial. The selection of doxorubicin as comparator drug in this trial implies that prior use of doxorubicin for advanced/recurrent disease was excluded. | ||
Actual start date of recruitment |
31 Oct 2013
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Long term follow-up planned |
Yes
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Long term follow-up rationale |
Safety, Efficacy | ||
Long term follow-up duration |
26 Months | ||
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 |
Netherlands: 14
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Country: Number of subjects enrolled |
Norway: 10
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Country: Number of subjects enrolled |
Poland: 22
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Country: Number of subjects enrolled |
Spain: 35
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Country: Number of subjects enrolled |
United Kingdom: 29
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Country: Number of subjects enrolled |
Austria: 1
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Country: Number of subjects enrolled |
Belgium: 18
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Country: Number of subjects enrolled |
Bulgaria: 6
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Country: Number of subjects enrolled |
Czech Republic: 13
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Country: Number of subjects enrolled |
Denmark: 5
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Country: Number of subjects enrolled |
Finland: 7
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Country: Number of subjects enrolled |
Germany: 5
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Country: Number of subjects enrolled |
Ireland: 4
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Country: Number of subjects enrolled |
Italy: 33
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Country: Number of subjects enrolled |
Bosnia and Herzegovina: 6
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Country: Number of subjects enrolled |
Belarus: 9
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Country: Number of subjects enrolled |
Canada: 34
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Country: Number of subjects enrolled |
Israel: 30
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Country: Number of subjects enrolled |
Romania: 16
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Country: Number of subjects enrolled |
Russian Federation: 43
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Country: Number of subjects enrolled |
Ukraine: 31
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Country: Number of subjects enrolled |
United States: 140
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Worldwide total number of subjects |
511
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EEA total number of subjects |
218
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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) |
266
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From 65 to 84 years |
245
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85 years and over |
0
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Recruitment
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Recruitment details |
The 511 patients who received treatment were enrolled in a total of 112 study centers in Europe, North America, and Israel. | |||||||||||||||||||||
Pre-assignment
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Screening details |
Overall, 592 patients were screened and, of these, 81 patients failed the screening criteria and did not receive treatment with study medication. | |||||||||||||||||||||
Pre-assignment period milestones
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Number of subjects started |
511 | |||||||||||||||||||||
Number of subjects completed |
511 | |||||||||||||||||||||
Period 1
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Period 1 title |
Overall trial (overall period)
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Is this the baseline period? |
Yes | |||||||||||||||||||||
Allocation method |
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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AEZS-108 / Zoptarelin Doxorubicin | |||||||||||||||||||||
Arm description |
- Experimental: AEZS-108 / zoptarelin doxorubicin - 267 mg/m^2 by 2-hour intravenous infusion, on Day 1 of 21-day (3-week) cycles - up to 9 cycles | |||||||||||||||||||||
Arm type |
Experimental | |||||||||||||||||||||
Investigational medicinal product name |
Zoptarelin doxorubicin
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Investigational medicinal product code |
AEZS-108
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Other name |
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Pharmaceutical forms |
Powder for solution for infusion
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Routes of administration |
Intravenous use
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Dosage and administration details |
267 mg/m^2 by 2-hour intravenous infusion, on Day 1 of 21-day (3-week) cycles for a maximum of 9 cycles
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Arm title
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Doxorubicin | |||||||||||||||||||||
Arm description |
Active Comparator, standard chemotherapy 60 mg/m^2 by intravenous bolus injection or 1-hour intravenous infusion, on Day 1 of 21-day (3-week) cycles | |||||||||||||||||||||
Arm type |
Active comparator | |||||||||||||||||||||
Investigational medicinal product name |
Doxorubicin
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Investigational medicinal product code |
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Other name |
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Pharmaceutical forms |
Solution for infusion
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Routes of administration |
Intravenous use
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Dosage and administration details |
60 mg/m^2 by intravenous bolus injection or 1-hour intravenous infusion, on Day 1 of 21-day (3-week) cycles
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Baseline characteristics reporting groups
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Reporting group title |
AEZS-108 / Zoptarelin Doxorubicin
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Reporting group description |
- Experimental: AEZS-108 / zoptarelin doxorubicin - 267 mg/m^2 by 2-hour intravenous infusion, on Day 1 of 21-day (3-week) cycles - up to 9 cycles | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Doxorubicin
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Reporting group description |
Active Comparator, standard chemotherapy 60 mg/m^2 by intravenous bolus injection or 1-hour intravenous infusion, on Day 1 of 21-day (3-week) cycles | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Subject analysis sets
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Subject analysis set title |
Intention-to-treat (ITT)
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Subject analysis set type |
Intention-to-treat | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Subject analysis set description |
The intent-to-treat (ITT) population included all randomized patients. Analyses of this population assigned patients the treatment they were scheduled to receive, regardless of any errors of dosing or dose modifications.
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End points reporting groups
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Reporting group title |
AEZS-108 / Zoptarelin Doxorubicin
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Reporting group description |
- Experimental: AEZS-108 / zoptarelin doxorubicin - 267 mg/m^2 by 2-hour intravenous infusion, on Day 1 of 21-day (3-week) cycles - up to 9 cycles | ||
Reporting group title |
Doxorubicin
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Reporting group description |
Active Comparator, standard chemotherapy 60 mg/m^2 by intravenous bolus injection or 1-hour intravenous infusion, on Day 1 of 21-day (3-week) cycles | ||
Subject analysis set title |
Intention-to-treat (ITT)
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Subject analysis set type |
Intention-to-treat | ||
Subject analysis set description |
The intent-to-treat (ITT) population included all randomized patients. Analyses of this population assigned patients the treatment they were scheduled to receive, regardless of any errors of dosing or dose modifications.
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End point title |
Compare the Overall Survival (OS) of Patients Treated With AEZS-108 to the OS of Patients Treated With Doxorubicin | |||||||||||||||||||||
End point description |
Overall survival was defined as the elapsed time from randomization to death from any cause. For surviving patients, follow-up was to be censored at the date of last contact.
The final analysis, which was event-based, was conducted after approximately 384 randomized patients had died.
A log-rank test with an overall two sided Type I Error rate of 0.05 after taking the interim analyses into account was used to compare OS between the two treatment arms via a SAS LIFETEST procedure.
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End point type |
Primary
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End point timeframe |
3 years
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Statistical analysis title |
Hazard ratio | |||||||||||||||||||||
Statistical analysis description |
A Cox model with treatment effects was used to estimate the hazard ratio and perform hypothesis testing. The estimated hazard ratio and the 95% CI of the hazard ratio were
presented.
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Comparison groups |
AEZS-108 / Zoptarelin Doxorubicin v Doxorubicin
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Number of subjects included in analysis |
511
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Analysis specification |
Pre-specified
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Analysis type |
other | |||||||||||||||||||||
P-value |
= 0.5441 | |||||||||||||||||||||
Method |
Logrank | |||||||||||||||||||||
Parameter type |
Hazard ratio (HR) | |||||||||||||||||||||
Point estimate |
1.06
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Confidence interval |
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level |
95% | |||||||||||||||||||||
sides |
2-sided
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lower limit |
0.87 | |||||||||||||||||||||
upper limit |
1.3 |
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End point title |
Compare Efficacy Based on Objective Response Rate (ORR) | ||||||||||||||||||
End point description |
The ORR was defined as the sum of the Complete Response (CR) and Partial Response (PR).
CR: Disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) was to have a reduction in the short axis to <10 mm.
PR: At least a 30% decrease in the sum of the diameters of target lesions, taking as reference the baseline sum diameters.
All responses were confirmed at least 4 weeks after the initial response was observed. Tumor assessments occurred every 3 cycles (± 7 days) during ongoing treatment then every 3 months (± 7 days) thereafter while the patient was on study.
The last assessment occurred either when progression was confirmed or when approximately 384 randomized patients had died.
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End point type |
Secondary
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End point timeframe |
3 years
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Statistical analysis title |
Compare Efficacy based on ORR | ||||||||||||||||||
Statistical analysis description |
Hypothesis testing between the two treatment arms was performed using a Mantel Haenszel test. The odds ratio and 95% CI of the odds ratio were presented.
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Comparison groups |
AEZS-108 / Zoptarelin Doxorubicin v Doxorubicin
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Number of subjects included in analysis |
511
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Analysis specification |
Pre-specified
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Analysis type |
other | ||||||||||||||||||
P-value |
= 0.5907 | ||||||||||||||||||
Method |
Mantel-Haenszel | ||||||||||||||||||
Parameter type |
Odds ratio (OR) | ||||||||||||||||||
Point estimate |
0.87
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Confidence interval |
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level |
95% | ||||||||||||||||||
sides |
2-sided
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lower limit |
0.52 | ||||||||||||||||||
upper limit |
1.45 |
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End point title |
Compare Efficacy Based on Progression-free Survival (PFS) | |||||||||||||||||||||
End point description |
Progression-free survival (PFS) was defined as the days between randomization and the date of documented progression or death for any cause. For patients whose progression status could not be determined, their PFS data was censored for the last adequate progression assessment date that the patient was confirmed to have no progression.
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End point type |
Secondary
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End point timeframe |
3 years
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Statistical analysis title |
Compare Efficacy based on PFS | |||||||||||||||||||||
Statistical analysis description |
Hypothesis testing between the two treatment arms was performed using a log rank test.
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Comparison groups |
AEZS-108 / Zoptarelin Doxorubicin v Doxorubicin
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Number of subjects included in analysis |
511
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Analysis specification |
Pre-specified
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Analysis type |
other | |||||||||||||||||||||
P-value |
= 0.3089 | |||||||||||||||||||||
Method |
Logrank | |||||||||||||||||||||
Parameter type |
Hazard ratio (HR) | |||||||||||||||||||||
Point estimate |
0.89
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Confidence interval |
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level |
95% | |||||||||||||||||||||
sides |
2-sided
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lower limit |
0.71 | |||||||||||||||||||||
upper limit |
1.11 |
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End point title |
Compare Efficacy Based on Clinical Benefit Rate (CBR) | |||||||||||||||||||||
End point description |
Clinical benefit was defined as having stable disease (SD) or better lasting for at least 9 weeks. The CBR was analyzed using the same methods for the ORR analyses.
The analysis of CBR (CR+PR+SD) was performed in the ITT population.
CR: Disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) was to have a reduction in the short axis to <10 mm.
PR: At least a 30% decrease in the sum of the diameters of target lesions, taking as reference the baseline sum diameters.
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End point type |
Secondary
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End point timeframe |
3 years
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Statistical analysis title |
Compare Efficacy based on CBR | |||||||||||||||||||||
Statistical analysis description |
Hypothesis testing between the two treatment arms was performed using a Mantel Haenszel test.
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Comparison groups |
AEZS-108 / Zoptarelin Doxorubicin v Doxorubicin
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Number of subjects included in analysis |
511
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Analysis specification |
Pre-specified
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Analysis type |
other | |||||||||||||||||||||
P-value |
= 0.6924 [1] | |||||||||||||||||||||
Method |
Mantel-Haenszel | |||||||||||||||||||||
Parameter type |
Odds ratio (OR) | |||||||||||||||||||||
Point estimate |
1.07
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Confidence interval |
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level |
95% | |||||||||||||||||||||
sides |
2-sided
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lower limit |
0.76 | |||||||||||||||||||||
upper limit |
1.52 | |||||||||||||||||||||
Notes [1] - 2-sided test |
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Adverse events information
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Timeframe for reporting adverse events |
Overall ca. 3 years. SAEs occurring or observed from the day of first administration of the investigational drug on and until 4 weeks after last administration (development of imparied cardiac function within 1 year after last IMP).
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Adverse event reporting additional description |
The National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE; version 4.03 or subsequent ones) were to be used for the grading of severity of symptoms and abnormal findings.
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Assessment type |
Systematic | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary used for adverse event reporting
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Dictionary name |
MedDRA | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary version |
16.0
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Reporting groups
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Reporting group title |
AEZS-108 / Zoptarelin Doxorubicin
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Reporting group description |
- 267 mg/m^2 by 2-hour intravenous infusion, on Day 1 of 21-day (3-week) cycles up to 9 cycles - AEZS-108 / zoptarelin doxorubicin: 267 mg/m2 by 2-hour intravenous infusion, on Day 1 of 21-day (3-week) - cycles for a maximum of 9 cycles | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Doxorubicin
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Reporting group description |
- 60 mg/m^2 by intravenous bolus injection or 1-hour intravenous infusion, on Day 1 of 21-day (3-week) cycles - doxorubicin: 60 mg/m2 by intravenous bolus injection or 1-hour intravenous infusion, on Day 1 of 21-day (3-week) cycles | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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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20 Nov 2013 |
Further clarifications on Inclusion criterion #5 and Exclusion criterion #6, #7, #8, #14, and #19. Clarification of timing of cardiac function tests. Clarification of drug reconstitution instructions and dosing calculations. Modification of SAE reporting. Allowed lifetime dose for doxorubicin increased. |
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12 Sep 2014 |
Addition of global and sparse PK assessments |
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Interruptions (globally) |
|||
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 |