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Aflibercept Versus Placebo in Combination With Irinotecan and 5-FU in the Treatment of Patients With Metastatic Colorectal Cancer After Failure of an Oxaliplatin Based Regimen (VELOUR)

This study has been completed.
Sponsor:
Collaborators:
Regeneron Pharmaceuticals
NSABP Foundation Inc
Information provided by (Responsible Party):
Sanofi
ClinicalTrials.gov Identifier:
NCT00561470
First received: November 20, 2007
Last updated: September 27, 2012
Last verified: March 2012
Results First Received: August 17, 2012  
Study Type: Interventional
Study Design: Allocation: Randomized;   Intervention Model: Parallel Assignment;   Masking: Double Blind (Participant, Care Provider, Investigator);   Primary Purpose: Treatment
Conditions: Colorectal Neoplasms
Neoplasm Metastasis
Interventions: Drug: Placebo
Drug: Aflibercept (ziv-aflibercept, AVE0005, VEGF trap, ZALTRAP®)
Drug: FOLFIRI (Irinotecan, 5-Fluorouracil, and Leucovorin)

  Participant Flow
  Hide Participant Flow

Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
Between 19 November 2007 and 16 March 2010, 614 participants were randomized to the placebo arm and 612 participants were randomized to the aflibercept arm.

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
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Reporting Groups
  Description
Placebo/FOLFIRI Participants with Metastatic Colorectal Cancer administered Placebo followed by FOLFIRI (Irinotecan, 5-Fluorouracil, and Leucovorin) every two weeks
Aflibercept/FOLFIRI Participants with Metastatic Colorectal Cancer administered 4 mg/kg of Aflibercept, followed by FOLFIRI (Irinotecan, 5-Fluorouracil, and Leucovorin) every two weeks

Participant Flow:   Overall Study
    Placebo/FOLFIRI   Aflibercept/FOLFIRI
STARTED   614   612 
TREATED   609   607 
SAFETY POPULATION   605 [1]   611 [2] 
ONGOING TREATMENT   11 [3]   14 [3] 
COMPLETED   0 [4]   0 [4] 
NOT COMPLETED   614   612 
Adverse Event                74                163 
Disease progression                437                305 
poor compliance to protocol                4                4 
Lost to Follow-up                2                0 
Physician Decision                21                20 
Consent Withdrawn                2                6 
Subject request                43                77 
Metastatic surgery                10                12 
Unauthorized procedure                3                1 
Randomized but not treated                5                5 
Missed visit window                1                4 
Planning surgery                1                1 
Ongoing Treatment                11                14 
[1] Treated participants excluding 4 who received at least 1 dose of Aflibercept
[2] Treated participants including 4 from Placebo/FOLFIRI who received at least 1 dose of Aflibercept
[3] Participants continuing treatment on the cutoff date of the final analysis
[4] Participants met treatment discontinuation criteria or were ongoing treatment on the cutoff date



  Baseline Characteristics


  Outcome Measures
  Show All Outcome Measures

1.  Primary:   Overall Survival (OS)   [ Time Frame: From the date of the first randomization until the study data cut-off date, 07 February 2011 (approximately three years) ]

2.  Secondary:   Progression-free Survival (PFS) Assessed by Independent Review Committee (IRC)   [ Time Frame: From the date of the first randomization until the occurrence of 561 OS events, 06 May 2010 (approximately 30 months) ]

3.  Secondary:   Overall Objective Response Rate (ORR) Based on the Tumor Assessment by the Independent Review Committee (IRC) as Per Response Evaluation Criteria in Solid Tumours (RECIST) Criteria   [ Time Frame: From the date of the first randomization until the study data cut-off date, 06 May 2010 (approximately 30 months) ]

4.  Secondary:   Number of Participants With Adverse Events (AE)   [ Time Frame: From the date of the first randomization up to 30 days after the treatment discontinuation or until TEAE was resolved or stabilized ]

5.  Secondary:   Immunogenicity Assessment: Number of Participants With Positive Sample(s) in the Anti-drug Antibodies (ADA) Assay and in the Neutralizing Anti-drug Antibodies (NAb) Assay   [ Time Frame: Baseline, every other treatment cycle, 30 days and 90 days after the last infusion of aflibercept/placebo ]


  Serious Adverse Events


  Other Adverse Events


  Limitations and Caveats
  Hide Limitations and Caveats

Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data
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  More Information