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Combination Chemotherapy With or Without Bevacizumab in Treating Patients Who Have Undergone Surgery for High Risk Stage II or Stage III Colon Cancer

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ClinicalTrials.gov Identifier: NCT00112918
Recruitment Status : Completed
First Posted : June 3, 2005
Results First Posted : September 6, 2012
Last Update Posted : August 27, 2013
Sponsor:
Collaborator:
National Cancer Institute (NCI)
Information provided by (Responsible Party):
Hoffmann-La Roche

Study Type: Interventional
Study Design: Allocation: Randomized;   Intervention Model: Parallel Assignment;   Masking: None (Open Label);   Primary Purpose: Treatment
Condition: Colorectal Cancer
Interventions: Biological: Bevacizumab
Drug: Capecitabine
Drug: 5-Fluorouracil (5-FU)
Drug: Leucovorin calcium
Drug: Oxaliplatin

  Participant Flow

Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
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Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
Randomization was stratified according to geographic region and disease stage (high-risk stage II or stage III N1 or stage III N2). The primary analysis population consisted of patients with Stage III disease.

Reporting Groups
  Description
FOLFOX4

Weeks 1-24: Oxaliplatin was administered as an 85 mg/m^2 intravenous infusion over 2 hours concomitantly with leucovorin as a 200 mg/m^2 infusion over 2 hours, followed by 5-fluorouracil (5-FU), given as a 400 mg/m^2 bolus injection, and then as a 600 mg/m^2 continuous infusion over 22 hours. Leucovorin 200 mg/m^2 (alone), followed by 5-FU 400 mg/m^2 bolus injection, and 5-FU 600 mg/m^2 continuous infusion were repeated on day 2. Cycle length was 2 weeks and cycles were repeated every second week for a total of 12 cycles (24 weeks).

Weeks 25-48: Observation only.
FOLFOX4 + Bv

Weeks 1-24: Bevacizumab 5 mg/kg was administered as an intravenous infusion over 30 - 90 minutes followed by oxaliplatin, administered as an 85 mg/m^2 intravenous infusion over 2 hours (on day 1 only) concomitantly with leucovorin, as a 200 mg/m^2 infusion over 2 hours, followed by 5-FU, given as a 400 mg/m^2 bolus injection, and then as a 600 mg/m^2 continuous infusion over 22 hours. Leucovorin 200 mg/m^2 (alone), followed by 5-FU 400 mg/m^2 bolus injection, and 5-FU 600 mg/m^2 continuous infusion are repeated on day 2. Cycle length is 2 weeks and cycles were repeated every second week for a total of 12 cycles (24 weeks).

Weeks 25-48: Bevacizumab 7.5 mg/kg was administered as an intravenous infusion over 30 minutes. Cycle length was 3 weeks. Cycles were repeated every 3 weeks for a total of 8 cycles (24 weeks).
XELOX+Bv

Weeks 1-24: Bevacizumab 7.5 mg/kg was administered as an intravenous infusion over 30 - 90 minutes followed by oxaliplatin administered as a 130 mg/m^2 intravenous infusion over 2 hours (day 1 every 3 weeks) in combination with capecitabine, which was administered orally at a dose of 1000 mg/m^2 twice daily (equivalent to a total daily dose of 2000 mg/m^2), with first dose the evening of day 1 and last dose the morning of day 15, given as intermittent treatment (3-week cycles consisting of 2 weeks of treatment followed by 1 week without treatment), for a total of 8 cycles (24 weeks).

Weeks 25-48: Bevacizumab 7.5 mg/kg was administered as an intravenous infusion over 30 minutes. Cycle length was 3 weeks. Cycles were repeated every 3 weeks for a total of 8 cycles (24 weeks).

Participant Flow:   Overall Study
    FOLFOX4   FOLFOX4 + Bv   XELOX+Bv
STARTED   1151   1155   1145 
Received Treatment   1126   1145 [1]   1135 
Stage III Disease Population   955   960   952 
COMPLETED   854 [2]   810 [2]   846 [2] 
NOT COMPLETED   297   345   299 
[1] Includes two patients from FOLFOX4 who received Bv and were assigned to FOLFOX4+Bv safety analysis
[2] Represents patients alive in follow-up at the time of final data cut-off (30 June 2012)



  Baseline Characteristics


  Outcome Measures

1.  Primary:   Disease-free Survival in Stage III Cancer Patients - Time to Event   [ Time Frame: From first patient randomized until the data cut-off date of 30 June 2010 (36 months after the last patient randomized). ]
  Show Outcome Measure 1

2.  Primary:   Disease-free Survival in Stage III Cancer Patients - Number of Events   [ Time Frame: From first patient randomized until the data cut-off date of 30 June 2010 (36 months after the last patient randomized). ]
  Show Outcome Measure 2

3.  Secondary:   Overall Survival in Stage III Cancer Patients - Time to Event   [ Time Frame: From first patient randomized until the clinical data cut-off date of 30 June 2010 (36 months after the last patient randomized). ]
  Show Outcome Measure 3

4.  Secondary:   Overall Survival in Stage III Cancer Patients - Number of Events   [ Time Frame: From first patient randomized until the clinical data cut-off date of 30 June 2010 (36 months after the last patient randomized). ]
  Show Outcome Measure 4

5.  Secondary:   Overall Survival in Stage III Cancer Patients - Time to Event: Final Analysis   [ Time Frame: From first patient randomized until the final data cut-off date of 30 June 2012 (5 years after the last patient randomized). ]
  Show Outcome Measure 5

6.  Secondary:   Overall Survival in Stage III Cancer Patients - Number of Events: Final Analysis   [ Time Frame: From first patient randomized until the final data cut-off date of 30 June 2012 (5 years after the last patient randomized). ]
  Show Outcome Measure 6


  Serious Adverse Events


  Other Adverse Events


  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

Certain Agreements:  
Principal Investigators are NOT employed by the organization sponsoring the study.
There IS an agreement between Principal Investigators and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed.
The agreement is:
unchecked The only disclosure restriction on the PI is that the sponsor can review results communications prior to public release and can embargo communications regarding trial results for a period that is less than or equal to 60 days. The sponsor cannot require changes to the communication and cannot extend the embargo.
unchecked The only disclosure restriction on the PI is that the sponsor can review results communications prior to public release and can embargo communications regarding trial results for a period that is more than 60 days but less than or equal to 180 days. The sponsor cannot require changes to the communication and cannot extend the embargo.


Results Point of Contact:  
Name/Title: Medical Communications
Organization: Hoffman-LaRoche
phone: 800-821-8590


Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):


Responsible Party: Hoffmann-La Roche
ClinicalTrials.gov Identifier: NCT00112918     History of Changes
Other Study ID Numbers: CDR0000427299
P30CA016042 ( U.S. NIH Grant/Contract )
UCLA-0412086-01
ROCHE-BO17920A
First Submitted: June 2, 2005
First Posted: June 3, 2005
Results First Submitted: June 1, 2012
Results First Posted: September 6, 2012
Last Update Posted: August 27, 2013