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An Observational Study of Bevacizumab in Combination With 5-FU-Based Chemotherapy in Chinese Participants With Metastatic Colorectal Cancer

A Multi-center Observational Study of Bevacizumab Plus 5-FU Based Chemotherapy as First Line and Second Line Treatment for Chinese Patients With Metastatic Colorectal Cancer (ML25391)

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT01319877
Enrollment
609
Registered
2011-03-22
Start date
2011-03-31
Completion date
2015-03-31
Last updated
2016-09-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Colorectal Cancer

Brief summary

This observational study will evaluate the safety and efficacy of Bevacizumab in combination with 5-Fluorouracil based chemotherapy as first-line and second-line therapy in Chinese participants with metastatic colorectal cancer. Data will be collected from each participant for up to 3 years.

Interventions

None listed

Sponsors

Hoffmann-La Roche
Lead SponsorINDUSTRY

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Adult Chinese participants, \>/= 18 years of age * Histologically confirmed and previously untreated metastatic colorectal cancer * Initiated on treatment with Bevacizumab (in combination with 5-FU based chemotherapy) according to locally approved Bevacizumab China package insert * Documented participant with medical records

Exclusion criteria

* Recent history of serious hemorrhage or hemoptysis of \>/= 1/2 teaspoon of red blood * Proteinuria at baseline (\>/=2 grams / 24 hours) * Major surgical procedure within 28 days prior to study treatment start, not fully healed wounds * Pregnant or lactating women

Design outcomes

Primary

MeasureTime frameDescription
Percentage of Participants With Adverse Events36 monthsAn adverse event (AE) is defined as any untoward medical occurrence in a participant after administration of a pharmaceutical product and which did not necessarily have a causal relationship with this treatment.
Percentage of Participants With Serious Adverse Events36 monthsA Serious Adverse Event (SAE) was any untoward medical occurrence that at any dose was fatal, required inpatient hospitalization or prolongation of an existing hospitalization, resulted in persistent or significant disability/incapacity, was a congenital anomaly/birth defect, was medically significant, or required intervention to prevent one or other of the outcomes listed above.
Percentage of Participants With Adverse Events of Special Interest36 months
Percentage of Participants With Bevacizumab-Related Adverse Events36 months
Percentage of Participants With Bevacizumab-related Serious Adverse Events36 months

Secondary

MeasureTime frameDescription
One-year Progression-free Survival Rate Per KRAS Subgroup1 yearOne year progression-free survival rate was defined as the percentage of participants who were free of progression or death from the date when the participant signed the informed consent form to one year. Results are reported per participants' Kirsten Rat Sarcoma Viral (KRAS) oncogene subgroup.
One-year Survival Rate by the KRAS Subgroup1 year
Percentage of Participants Achieving an Overall Response by the Chemotherapy Regimen SubgroupUp to 36 MonthsOverall response was defined as complete response (CR) or partial response (PR) confirmed per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1. CR: Disappearance of all target lesions, all non-target lesions, and no new lesions. PR: At least a 30% decrease in the sum of the diameters of target lesions, no progression in non-target lesions, and no new lesions. Results are reported per participants' chemotherapy regimen subgroup.
Percentage of Participants Achieving an Overall Response36 monthsOverall response was defined as complete response (CR) or partial response (PR) confirmed per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1. CR: Disappearance of all target lesions, all non-target lesions, and no new lesions. PR: At least a 30% decrease in the sum of the diameters of target lesions, no progression in non-target lesions, and no new lesions.
One-year Survival Rate by the Chemotherapy Regimen Subgroup1 year
Quality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireUp to 36 MonthsQuality of life was assessed at baseline and every three months after treatment by the EORTC QLQ-C30 questionnaire. The possible score range was 0 to 100, with a higher score indicating better functioning.
One-year Progression-free Survival Rate Per Chemotherapy Regimen Subgroup1 yearOne year progression-free survival rate was defined as the percentage of participants who were free of progression or death from the date when the participant signed the informed consent form to one year. Results are reported per participants' chemotherapy regimen subgroup.
Progression-free Survival36 monthsProgression-free-survival (PFS) was defined as the time from the date when the participant signed the informed consent form to the time of first documented disease progression or death, whichever occurred first.
One-year Progression-free Survival Rate1 yearOne year progression-free survival rate was defined as the percentage of participants who were free of progression or death from the date when the participant signed the informed consent form to one year.
One-year Survival Rate1 year
Percentage of Participants Achieving an Overall Response Per Kirsten Rat Sarcoma Viral (KRAS) Oncogene Subgroup36 monthsOverall response was defined as complete response (CR) or partial response (PR) confirmed per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1. CR: Disappearance of all target lesions, all non-target lesions, and no new lesions. PR: At least a 30% decrease in the sum of the diameters of target lesions, no progression in non-target lesions, and no new lesions. Results are reported per participants' Kirsten Rat Sarcoma Viral (KRAS) oncogene subgroup.

Countries

China

Participant flow

Pre-assignment details

Three enrolled participants received third-line therapy and were not included in the evaluable population.

Participants by arm

ArmCount
First Line Treatment
Participants received bevacizumab in combination with 5-FU based chemotherapy as a first line therapy.
453
Second Line Treatment
Participants received bevacizumab in combination with 5-FU based chemotherapy as a second line therapy.
153
Total606

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyDisease Progression22
Overall StudyLost to Follow-up10037
Overall StudyPhysician Decision20
Overall StudyReason Not Specified45
Overall StudyWithdrawal by Subject01

Baseline characteristics

CharacteristicFirst Line TreatmentSecond Line TreatmentTotal
Age, Continuous55.7 years
STANDARD_DEVIATION 11.9
54.5 years
STANDARD_DEVIATION 11.9
55.4 years
STANDARD_DEVIATION 11.9
Region of Enrollment
China
453 participants153 participants606 participants
Sex: Female, Male
Female
183 Participants53 Participants236 Participants
Sex: Female, Male
Male
270 Participants100 Participants370 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
— / —
other
Total, other adverse events
450 / 606
serious
Total, serious adverse events
29 / 606

Outcome results

Primary

Percentage of Participants With Adverse Events

An adverse event (AE) is defined as any untoward medical occurrence in a participant after administration of a pharmaceutical product and which did not necessarily have a causal relationship with this treatment.

Time frame: 36 months

ArmMeasureValue (NUMBER)
First Line TreatmentPercentage of Participants With Adverse Events76.4 percentage of participants
Second Line TreatmentPercentage of Participants With Adverse Events68.0 percentage of participants
Primary

Percentage of Participants With Adverse Events of Special Interest

Time frame: 36 months

ArmMeasureValue (NUMBER)
First Line TreatmentPercentage of Participants With Adverse Events of Special Interest9.1 percentage of participants
Second Line TreatmentPercentage of Participants With Adverse Events of Special Interest5.9 percentage of participants
Primary

Percentage of Participants With Bevacizumab-Related Adverse Events

Time frame: 36 months

ArmMeasureValue (NUMBER)
First Line TreatmentPercentage of Participants With Bevacizumab-Related Adverse Events54.5 percentage of participants
Second Line TreatmentPercentage of Participants With Bevacizumab-Related Adverse Events45.8 percentage of participants
Primary

Percentage of Participants With Bevacizumab-related Serious Adverse Events

Time frame: 36 months

ArmMeasureValue (NUMBER)
First Line TreatmentPercentage of Participants With Bevacizumab-related Serious Adverse Events3.1 percentage of participants
Second Line TreatmentPercentage of Participants With Bevacizumab-related Serious Adverse Events2.0 percentage of participants
Primary

Percentage of Participants With Serious Adverse Events

A Serious Adverse Event (SAE) was any untoward medical occurrence that at any dose was fatal, required inpatient hospitalization or prolongation of an existing hospitalization, resulted in persistent or significant disability/incapacity, was a congenital anomaly/birth defect, was medically significant, or required intervention to prevent one or other of the outcomes listed above.

Time frame: 36 months

ArmMeasureValue (NUMBER)
First Line TreatmentPercentage of Participants With Serious Adverse Events4.9 percentage of participants
Second Line TreatmentPercentage of Participants With Serious Adverse Events4.6 percentage of participants
Secondary

One-year Progression-free Survival Rate

One year progression-free survival rate was defined as the percentage of participants who were free of progression or death from the date when the participant signed the informed consent form to one year.

Time frame: 1 year

ArmMeasureValue (NUMBER)
First Line TreatmentOne-year Progression-free Survival Rate34.2 percentage of participants
Second Line TreatmentOne-year Progression-free Survival Rate29.9 percentage of participants
Secondary

One-year Progression-free Survival Rate Per Chemotherapy Regimen Subgroup

One year progression-free survival rate was defined as the percentage of participants who were free of progression or death from the date when the participant signed the informed consent form to one year. Results are reported per participants' chemotherapy regimen subgroup.

Time frame: 1 year

Population: Participants with known prior chemotherapy regimens were evaluated.

ArmMeasureGroupValue (NUMBER)
First Line TreatmentOne-year Progression-free Survival Rate Per Chemotherapy Regimen SubgroupFOLFOX38.9 percentage of participants
First Line TreatmentOne-year Progression-free Survival Rate Per Chemotherapy Regimen SubgroupXELOX44.9 percentage of participants
First Line TreatmentOne-year Progression-free Survival Rate Per Chemotherapy Regimen SubgroupXELIRI13.3 percentage of participants
First Line TreatmentOne-year Progression-free Survival Rate Per Chemotherapy Regimen SubgroupOthers19.5 percentage of participants
First Line TreatmentOne-year Progression-free Survival Rate Per Chemotherapy Regimen SubgroupIFL29.1 percentage of participants
Second Line TreatmentOne-year Progression-free Survival Rate Per Chemotherapy Regimen SubgroupOthers16.7 percentage of participants
Second Line TreatmentOne-year Progression-free Survival Rate Per Chemotherapy Regimen SubgroupIFL32.2 percentage of participants
Second Line TreatmentOne-year Progression-free Survival Rate Per Chemotherapy Regimen SubgroupFOLFOX38.1 percentage of participants
Second Line TreatmentOne-year Progression-free Survival Rate Per Chemotherapy Regimen SubgroupXELIRI20.0 percentage of participants
Second Line TreatmentOne-year Progression-free Survival Rate Per Chemotherapy Regimen SubgroupXELOX20.8 percentage of participants
Secondary

One-year Progression-free Survival Rate Per KRAS Subgroup

One year progression-free survival rate was defined as the percentage of participants who were free of progression or death from the date when the participant signed the informed consent form to one year. Results are reported per participants' Kirsten Rat Sarcoma Viral (KRAS) oncogene subgroup.

Time frame: 1 year

Population: Participants with known KRAS status were evaluated.

ArmMeasureGroupValue (NUMBER)
First Line TreatmentOne-year Progression-free Survival Rate Per KRAS SubgroupWild-type45.2 percentage of participants
First Line TreatmentOne-year Progression-free Survival Rate Per KRAS SubgroupMutant-type19.5 percentage of participants
Second Line TreatmentOne-year Progression-free Survival Rate Per KRAS SubgroupWild-type31.3 percentage of participants
Second Line TreatmentOne-year Progression-free Survival Rate Per KRAS SubgroupMutant-type0 percentage of participants
Secondary

One-year Survival Rate

Time frame: 1 year

ArmMeasureValue (NUMBER)
First Line TreatmentOne-year Survival Rate68.7 percentage of participants
Second Line TreatmentOne-year Survival Rate69.1 percentage of participants
Secondary

One-year Survival Rate by the Chemotherapy Regimen Subgroup

Time frame: 1 year

Population: Participants with known prior chemotherapy regimens were evaluated

ArmMeasureGroupValue (NUMBER)
First Line TreatmentOne-year Survival Rate by the Chemotherapy Regimen SubgroupIFL70.8 percentage of participants
First Line TreatmentOne-year Survival Rate by the Chemotherapy Regimen SubgroupXELOX75.2 percentage of participants
First Line TreatmentOne-year Survival Rate by the Chemotherapy Regimen SubgroupXELIRI66.7 percentage of participants
First Line TreatmentOne-year Survival Rate by the Chemotherapy Regimen SubgroupOthers64.7 percentage of participants
First Line TreatmentOne-year Survival Rate by the Chemotherapy Regimen SubgroupFOLFOX66.6 percentage of participants
Second Line TreatmentOne-year Survival Rate by the Chemotherapy Regimen SubgroupOthers60.0 percentage of participants
Second Line TreatmentOne-year Survival Rate by the Chemotherapy Regimen SubgroupFOLFOX71.6 percentage of participants
Second Line TreatmentOne-year Survival Rate by the Chemotherapy Regimen SubgroupIFL71.4 percentage of participants
Second Line TreatmentOne-year Survival Rate by the Chemotherapy Regimen SubgroupXELIRI20.8 percentage of participants
Second Line TreatmentOne-year Survival Rate by the Chemotherapy Regimen SubgroupXELOX0 percentage of participants
Secondary

One-year Survival Rate by the KRAS Subgroup

Time frame: 1 year

Population: Participants with known KRAS status were evaluated

ArmMeasureGroupValue (NUMBER)
First Line TreatmentOne-year Survival Rate by the KRAS SubgroupMutant-type57.9 percentage of participants
First Line TreatmentOne-year Survival Rate by the KRAS SubgroupWild-type81.0 percentage of participants
Second Line TreatmentOne-year Survival Rate by the KRAS SubgroupMutant-type33.9 percentage of participants
Second Line TreatmentOne-year Survival Rate by the KRAS SubgroupWild-type69.1 percentage of participants
Secondary

Percentage of Participants Achieving an Overall Response

Overall response was defined as complete response (CR) or partial response (PR) confirmed per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1. CR: Disappearance of all target lesions, all non-target lesions, and no new lesions. PR: At least a 30% decrease in the sum of the diameters of target lesions, no progression in non-target lesions, and no new lesions.

Time frame: 36 months

ArmMeasureValue (NUMBER)
First Line TreatmentPercentage of Participants Achieving an Overall Response21.0 percentage of participants
Second Line TreatmentPercentage of Participants Achieving an Overall Response10.5 percentage of participants
Secondary

Percentage of Participants Achieving an Overall Response by the Chemotherapy Regimen Subgroup

Overall response was defined as complete response (CR) or partial response (PR) confirmed per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1. CR: Disappearance of all target lesions, all non-target lesions, and no new lesions. PR: At least a 30% decrease in the sum of the diameters of target lesions, no progression in non-target lesions, and no new lesions. Results are reported per participants' chemotherapy regimen subgroup.

Time frame: Up to 36 Months

Population: Participants with known prior chemotherapy regimens were evaluated

ArmMeasureGroupValue (NUMBER)
First Line TreatmentPercentage of Participants Achieving an Overall Response by the Chemotherapy Regimen SubgroupIFL18.5 percentage of participants
First Line TreatmentPercentage of Participants Achieving an Overall Response by the Chemotherapy Regimen SubgroupXELOX32.1 percentage of participants
First Line TreatmentPercentage of Participants Achieving an Overall Response by the Chemotherapy Regimen SubgroupXELIRI45.5 percentage of participants
First Line TreatmentPercentage of Participants Achieving an Overall Response by the Chemotherapy Regimen SubgroupOthers5.8 percentage of participants
First Line TreatmentPercentage of Participants Achieving an Overall Response by the Chemotherapy Regimen SubgroupFOLFOX25.7 percentage of participants
Second Line TreatmentPercentage of Participants Achieving an Overall Response by the Chemotherapy Regimen SubgroupOthers7.1 percentage of participants
Second Line TreatmentPercentage of Participants Achieving an Overall Response by the Chemotherapy Regimen SubgroupFOLFOX15.2 percentage of participants
Second Line TreatmentPercentage of Participants Achieving an Overall Response by the Chemotherapy Regimen SubgroupIFL10.9 percentage of participants
Second Line TreatmentPercentage of Participants Achieving an Overall Response by the Chemotherapy Regimen SubgroupXELIRI14.3 percentage of participants
Second Line TreatmentPercentage of Participants Achieving an Overall Response by the Chemotherapy Regimen SubgroupXELOX0 percentage of participants
Secondary

Percentage of Participants Achieving an Overall Response Per Kirsten Rat Sarcoma Viral (KRAS) Oncogene Subgroup

Overall response was defined as complete response (CR) or partial response (PR) confirmed per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1. CR: Disappearance of all target lesions, all non-target lesions, and no new lesions. PR: At least a 30% decrease in the sum of the diameters of target lesions, no progression in non-target lesions, and no new lesions. Results are reported per participants' Kirsten Rat Sarcoma Viral (KRAS) oncogene subgroup.

Time frame: 36 months

Population: Participants with known KRAS status were evaluated.

ArmMeasureGroupValue (NUMBER)
First Line TreatmentPercentage of Participants Achieving an Overall Response Per Kirsten Rat Sarcoma Viral (KRAS) Oncogene SubgroupWild-type18.6 percentage of participants
First Line TreatmentPercentage of Participants Achieving an Overall Response Per Kirsten Rat Sarcoma Viral (KRAS) Oncogene SubgroupMutant-type10.7 percentage of participants
Second Line TreatmentPercentage of Participants Achieving an Overall Response Per Kirsten Rat Sarcoma Viral (KRAS) Oncogene SubgroupWild-type10.3 percentage of participants
Second Line TreatmentPercentage of Participants Achieving an Overall Response Per Kirsten Rat Sarcoma Viral (KRAS) Oncogene SubgroupMutant-type4.8 percentage of participants
Secondary

Progression-free Survival

Progression-free-survival (PFS) was defined as the time from the date when the participant signed the informed consent form to the time of first documented disease progression or death, whichever occurred first.

Time frame: 36 months

ArmMeasureValue (MEDIAN)
First Line TreatmentProgression-free Survival9.1 months
Second Line TreatmentProgression-free Survival8.1 months
Secondary

Quality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 Questionnaire

Quality of life was assessed at baseline and every three months after treatment by the EORTC QLQ-C30 questionnaire. The possible score range was 0 to 100, with a higher score indicating better functioning.

Time frame: Up to 36 Months

Population: Evaluable participants.

ArmMeasureGroupValue (MEAN)Dispersion
First Line TreatmentQuality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireVisit 3 (n=80,21)59.79 score on a scaleStandard Deviation 18.073
First Line TreatmentQuality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireVisit 6 (n=15,5)57.22 score on a scaleStandard Deviation 14.389
First Line TreatmentQuality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireVisit 2 (n=159,44)62.89 score on a scaleStandard Deviation 15.875
First Line TreatmentQuality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireVisit 7 (n=11,4)56.82 score on a scaleStandard Deviation 16.168
First Line TreatmentQuality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireVisit 4 (n=50,12)54.83 score on a scaleStandard Deviation 22.718
First Line TreatmentQuality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireVisit 8 (n=7,3)60.72 score on a scaleStandard Deviation 14.205
First Line TreatmentQuality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireVisit 9 (n=4,1)45.83 score on a scaleStandard Deviation 15.96
First Line TreatmentQuality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireBaseline (n=248,67)63.68 score on a scaleStandard Deviation 18.02
First Line TreatmentQuality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireVisit 10 (n=1,0)50.00 score on a scale
First Line TreatmentQuality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireVisit 5 (n=26,9)57.05 score on a scaleStandard Deviation 15.758
Second Line TreatmentQuality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireVisit 10 (n=1,0)NA score on a scale
Second Line TreatmentQuality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireBaseline (n=248,67)65.67 score on a scaleStandard Deviation 14.103
Second Line TreatmentQuality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireVisit 2 (n=159,44)64.96 score on a scaleStandard Deviation 17.105
Second Line TreatmentQuality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireVisit 3 (n=80,21)56.35 score on a scaleStandard Deviation 19.168
Second Line TreatmentQuality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireVisit 4 (n=50,12)61.11 score on a scaleStandard Deviation 14.36
Second Line TreatmentQuality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireVisit 5 (n=26,9)62.96 score on a scaleStandard Deviation 16.724
Second Line TreatmentQuality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireVisit 6 (n=15,5)73.33 score on a scaleStandard Deviation 16.03
Second Line TreatmentQuality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireVisit 7 (n=11,4)72.92 score on a scaleStandard Deviation 15.773
Second Line TreatmentQuality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireVisit 9 (n=4,1)66.67 score on a scale
Second Line TreatmentQuality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 QuestionnaireVisit 8 (n=7,3)66.67 score on a scaleStandard Deviation 8.335

Source: ClinicalTrials.gov · Data processed: Mar 1, 2026