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

This study has been completed.
Sponsor:
Collaborator:
Information provided by (Responsible Party):
Hoffmann-La Roche
ClinicalTrials.gov Identifier:
NCT00112918
First received: June 2, 2005
Last updated: June 19, 2013
Last verified: June 2013
Results First Received: June 1, 2012  
Study Type: Interventional
Study Design: Allocation: Randomized;   Intervention Model: Parallel Assignment;   Masking: Open Label;   Primary Purpose: Treatment
Condition: Colorectal Cancer
Interventions: Biological: Bevacizumab
Drug: Capecitabine
Drug: 5-Fluorouracil (5-FU)
Drug: Leucovorin calcium
Drug: Oxaliplatin

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  Baseline Characteristics
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Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Baseline Measures are based on the Intent-to-Treat - Stage III Disease Patient Population.

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).

Total Total of all reporting groups

Baseline Measures
    FOLFOX4     FOLFOX4 + Bv     XELOX+Bv     Total  
Number of Participants  
[units: participants]
  955     960     952     2867  
Age, Customized  
[units: participants]
       
<40     77     74     68     219  
40-65     603     625     588     1816  
>=65     275     261     296     832  
Gender  
[units: participants]
       
Female     425     473     432     1330  
Male     530     487     520     1537  
Race/Ethnicity, Customized  
[units: participants]
       
American Indian or Alaska Native     1     1     0     2  
Asian     139     115     123     377  
Black or African American     6     13     14     33  
White     791     813     795     2399  
Other     18     18     20     56  



  Outcome Measures
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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). ]

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). ]

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). ]

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). ]
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Measure Type Secondary
Measure Title Overall Survival in Stage III Cancer Patients - Number of Events
Measure Description An overall survival event was death due to any cause.
Time Frame From first patient randomized until the clinical data cut-off date of 30 June 2010 (36 months after the last patient randomized).  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
ITT 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-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).


Measured Values
    FOLFOX4     FOLFOX4 + Bv     XELOX+Bv  
Number of Participants Analyzed  
[units: participants]
  955     960     952  
Overall Survival in Stage III Cancer Patients - Number of Events  
[units: participants]
     
Patients with events     115     151     145  
Patients without events     840     809     807  

No statistical analysis provided for Overall Survival in Stage III Cancer Patients - Number of Events



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). ]

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). ]


  Serious Adverse Events


  Other Adverse Events


  Limitations and Caveats
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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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