Trial Outcomes & Findings for An Observational Study of Bevacizumab in Combination With 5-FU-Based Chemotherapy in Chinese Participants With Metastatic Colorectal Cancer (NCT NCT01319877)

NCT ID: NCT01319877

Last Updated: 2016-09-07

Results Overview

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.

Recruitment status

COMPLETED

Target enrollment

609 participants

Primary outcome timeframe

36 months

Results posted on

2016-09-07

Participant Flow

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

Participant milestones

Participant milestones
Measure
First Line Treatment
Participants received bevacizumab in combination with 5-FU based chemotherapy as a first line therapy.
Second Line Treatment
Participants received bevacizumab in combination with 5-FU based chemotherapy as a second line therapy.
Overall Study
STARTED
453
153
Overall Study
COMPLETED
345
108
Overall Study
NOT COMPLETED
108
45

Reasons for withdrawal

Reasons for withdrawal
Measure
First Line Treatment
Participants received bevacizumab in combination with 5-FU based chemotherapy as a first line therapy.
Second Line Treatment
Participants received bevacizumab in combination with 5-FU based chemotherapy as a second line therapy.
Overall Study
Lost to Follow-up
100
37
Overall Study
Physician Decision
2
0
Overall Study
Disease Progression
2
2
Overall Study
Withdrawal by Subject
0
1
Overall Study
Reason Not Specified
4
5

Baseline Characteristics

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

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
First Line Treatment
n=453 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a first line therapy.
Second Line Treatment
n=153 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a second line therapy.
Total
n=606 Participants
Total of all reporting groups
Age, Continuous
55.7 years
STANDARD_DEVIATION 11.9 • n=99 Participants
54.5 years
STANDARD_DEVIATION 11.9 • n=107 Participants
55.4 years
STANDARD_DEVIATION 11.9 • n=206 Participants
Sex: Female, Male
Female
183 Participants
n=99 Participants
53 Participants
n=107 Participants
236 Participants
n=206 Participants
Sex: Female, Male
Male
270 Participants
n=99 Participants
100 Participants
n=107 Participants
370 Participants
n=206 Participants
Region of Enrollment
China
453 participants
n=99 Participants
153 participants
n=107 Participants
606 participants
n=206 Participants

PRIMARY outcome

Timeframe: 36 months

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.

Outcome measures

Outcome measures
Measure
First Line Treatment
n=453 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a first line therapy.
Second Line Treatment
n=153 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a second line therapy.
Percentage of Participants With Adverse Events
76.4 percentage of participants
68.0 percentage of participants

PRIMARY outcome

Timeframe: 36 months

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.

Outcome measures

Outcome measures
Measure
First Line Treatment
n=453 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a first line therapy.
Second Line Treatment
n=153 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a second line therapy.
Percentage of Participants With Serious Adverse Events
4.9 percentage of participants
4.6 percentage of participants

PRIMARY outcome

Timeframe: 36 months

Outcome measures

Outcome measures
Measure
First Line Treatment
n=453 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a first line therapy.
Second Line Treatment
n=153 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a second line therapy.
Percentage of Participants With Adverse Events of Special Interest
9.1 percentage of participants
5.9 percentage of participants

PRIMARY outcome

Timeframe: 36 months

Outcome measures

Outcome measures
Measure
First Line Treatment
n=453 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a first line therapy.
Second Line Treatment
n=153 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a second line therapy.
Percentage of Participants With Bevacizumab-Related Adverse Events
54.5 percentage of participants
45.8 percentage of participants

PRIMARY outcome

Timeframe: 36 months

Outcome measures

Outcome measures
Measure
First Line Treatment
n=453 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a first line therapy.
Second Line Treatment
n=153 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a second line therapy.
Percentage of Participants With Bevacizumab-related Serious Adverse Events
3.1 percentage of participants
2.0 percentage of participants

SECONDARY outcome

Timeframe: 36 months

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.

Outcome measures

Outcome measures
Measure
First Line Treatment
n=453 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a first line therapy.
Second Line Treatment
n=153 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a second line therapy.
Percentage of Participants Achieving an Overall Response
21.0 percentage of participants
Interval 17.3 to 25.0
10.5 percentage of participants
Interval 6.1 to 16.4

SECONDARY outcome

Timeframe: 36 months

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.

Outcome measures

Outcome measures
Measure
First Line Treatment
n=453 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a first line therapy.
Second Line Treatment
n=153 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a second line therapy.
Progression-free Survival
9.1 months
Interval 8.2 to 10.0
8.1 months
Interval 6.0 to 11.0

SECONDARY outcome

Timeframe: 1 year

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.

Outcome measures

Outcome measures
Measure
First Line Treatment
n=453 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a first line therapy.
Second Line Treatment
n=153 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a second line therapy.
One-year Progression-free Survival Rate
34.2 percentage of participants
Interval 26.8 to 41.7
29.9 percentage of participants
Interval 18.6 to 42.1

SECONDARY outcome

Timeframe: 1 year

Outcome measures

Outcome measures
Measure
First Line Treatment
n=453 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a first line therapy.
Second Line Treatment
n=153 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a second line therapy.
One-year Survival Rate
68.7 percentage of participants
Interval 62.7 to 74.0
69.1 percentage of participants
Interval 59.1 to 77.2

SECONDARY outcome

Timeframe: 36 months

Population: Participants with known KRAS status were evaluated.

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.

Outcome measures

Outcome measures
Measure
First Line Treatment
n=453 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a first line therapy.
Second Line Treatment
n=153 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a second line therapy.
Percentage of Participants Achieving an Overall Response Per Kirsten Rat Sarcoma Viral (KRAS) Oncogene Subgroup
Wild-type
18.6 percentage of participants
Interval 9.7 to 30.9
10.3 percentage of participants
Interval 2.2 to 27.4
Percentage of Participants Achieving an Overall Response Per Kirsten Rat Sarcoma Viral (KRAS) Oncogene Subgroup
Mutant-type
10.7 percentage of participants
Interval 5.0 to 19.4
4.8 percentage of participants
Interval 0.1 to 23.8

SECONDARY outcome

Timeframe: 1 year

Population: Participants with known KRAS status were evaluated.

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.

Outcome measures

Outcome measures
Measure
First Line Treatment
n=453 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a first line therapy.
Second Line Treatment
n=153 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a second line therapy.
One-year Progression-free Survival Rate Per KRAS Subgroup
Wild-type
45.2 percentage of participants
Interval 22.6 to 65.4
31.3 percentage of participants
Interval 8.8 to 57.3
One-year Progression-free Survival Rate Per KRAS Subgroup
Mutant-type
19.5 percentage of participants
Interval 7.5 to 35.6
0 percentage of participants
Interval 0.0 to 0.0

SECONDARY outcome

Timeframe: 1 year

Population: Participants with known KRAS status were evaluated

Outcome measures

Outcome measures
Measure
First Line Treatment
n=453 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a first line therapy.
Second Line Treatment
n=153 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a second line therapy.
One-year Survival Rate by the KRAS Subgroup
Wild-type
81.0 percentage of participants
Interval 64.7 to 90.3
69.1 percentage of participants
Interval 43.4 to 84.9
One-year Survival Rate by the KRAS Subgroup
Mutant-type
57.9 percentage of participants
Interval 42.7 to 70.4
33.9 percentage of participants
Interval 8.4 to 62.2

SECONDARY outcome

Timeframe: Up to 36 Months

Population: Participants with known prior chemotherapy regimens were evaluated

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.

Outcome measures

Outcome measures
Measure
First Line Treatment
n=453 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a first line therapy.
Second Line Treatment
n=153 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a second line therapy.
Percentage of Participants Achieving an Overall Response by the Chemotherapy Regimen Subgroup
FOLFOX
25.7 percentage of participants
Interval 19.4 to 32.9
15.2 percentage of participants
Interval 5.1 to 31.9
Percentage of Participants Achieving an Overall Response by the Chemotherapy Regimen Subgroup
IFL
18.5 percentage of participants
Interval 12.9 to 25.4
10.9 percentage of participants
Interval 5.3 to 19.1
Percentage of Participants Achieving an Overall Response by the Chemotherapy Regimen Subgroup
XELIRI
45.5 percentage of participants
Interval 16.7 to 76.6
14.3 percentage of participants
Interval 0.4 to 57.9
Percentage of Participants Achieving an Overall Response by the Chemotherapy Regimen Subgroup
XELOX
32.1 percentage of participants
Interval 19.9 to 46.3
0 percentage of participants
Interval 0.0 to 41.0
Percentage of Participants Achieving an Overall Response by the Chemotherapy Regimen Subgroup
Others
5.8 percentage of participants
Interval 1.2 to 15.9
7.1 percentage of participants
Interval 0.2 to 33.9

SECONDARY outcome

Timeframe: 1 year

Population: Participants with known prior chemotherapy regimens were evaluated.

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.

Outcome measures

Outcome measures
Measure
First Line Treatment
n=453 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a first line therapy.
Second Line Treatment
n=153 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a second line therapy.
One-year Progression-free Survival Rate Per Chemotherapy Regimen Subgroup
FOLFOX
38.9 percentage of participants
Interval 28.1 to 49.5
38.1 percentage of participants
Interval 16.0 to 60.1
One-year Progression-free Survival Rate Per Chemotherapy Regimen Subgroup
IFL
29.1 percentage of participants
Interval 16.9 to 42.4
32.2 percentage of participants
Interval 16.5 to 49.1
One-year Progression-free Survival Rate Per Chemotherapy Regimen Subgroup
XELIRI
13.3 percentage of participants
Interval 0.8 to 43.3
20.0 percentage of participants
Interval 0.8 to 58.2
One-year Progression-free Survival Rate Per Chemotherapy Regimen Subgroup
XELOX
44.9 percentage of participants
Interval 17.1 to 69.6
20.8 percentage of participants
Interval 0.9 to 59.5
One-year Progression-free Survival Rate Per Chemotherapy Regimen Subgroup
Others
19.5 percentage of participants
Interval 3.6 to 45.0
16.7 percentage of participants
Interval 0.8 to 51.7

SECONDARY outcome

Timeframe: 1 year

Population: Participants with known prior chemotherapy regimens were evaluated

Outcome measures

Outcome measures
Measure
First Line Treatment
n=453 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a first line therapy.
Second Line Treatment
n=153 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a second line therapy.
One-year Survival Rate by the Chemotherapy Regimen Subgroup
Others
64.7 percentage of participants
Interval 38.4 to 82.0
60.0 percentage of participants
Interval 25.3 to 82.7
One-year Survival Rate by the Chemotherapy Regimen Subgroup
FOLFOX
66.6 percentage of participants
Interval 56.8 to 74.7
71.6 percentage of participants
Interval 47.0 to 86.2
One-year Survival Rate by the Chemotherapy Regimen Subgroup
IFL
70.8 percentage of participants
Interval 60.6 to 78.8
71.4 percentage of participants
Interval 58.2 to 81.0
One-year Survival Rate by the Chemotherapy Regimen Subgroup
XELIRI
66.7 percentage of participants
Interval 27.2 to 88.1
20.8 percentage of participants
Interval 0.9 to 59.5
One-year Survival Rate by the Chemotherapy Regimen Subgroup
XELOX
75.2 percentage of participants
Interval 56.1 to 86.9
0 percentage of participants
Interval 0.0 to 0.0

SECONDARY outcome

Timeframe: Up to 36 Months

Population: Evaluable participants.

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.

Outcome measures

Outcome measures
Measure
First Line Treatment
n=248 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a first line therapy.
Second Line Treatment
n=67 Participants
Participants received bevacizumab in combination with 5-FU based chemotherapy as a second line therapy.
Quality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 Questionnaire
Visit 5 (n=26,9)
57.05 score on a scale
Standard Deviation 15.758
62.96 score on a scale
Standard Deviation 16.724
Quality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 Questionnaire
Baseline (n=248,67)
63.68 score on a scale
Standard Deviation 18.020
65.67 score on a scale
Standard Deviation 14.103
Quality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 Questionnaire
Visit 2 (n=159,44)
62.89 score on a scale
Standard Deviation 15.875
64.96 score on a scale
Standard Deviation 17.105
Quality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 Questionnaire
Visit 3 (n=80,21)
59.79 score on a scale
Standard Deviation 18.073
56.35 score on a scale
Standard Deviation 19.168
Quality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 Questionnaire
Visit 4 (n=50,12)
54.83 score on a scale
Standard Deviation 22.718
61.11 score on a scale
Standard Deviation 14.360
Quality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 Questionnaire
Visit 6 (n=15,5)
57.22 score on a scale
Standard Deviation 14.389
73.33 score on a scale
Standard Deviation 16.030
Quality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 Questionnaire
Visit 7 (n=11,4)
56.82 score on a scale
Standard Deviation 16.168
72.92 score on a scale
Standard Deviation 15.773
Quality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 Questionnaire
Visit 8 (n=7,3)
60.72 score on a scale
Standard Deviation 14.205
66.67 score on a scale
Standard Deviation 8.335
Quality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 Questionnaire
Visit 9 (n=4,1)
45.83 score on a scale
Standard Deviation 15.960
66.67 score on a scale
Standard Deviation NA
Not calculable, due to single data point.
Quality of Life: European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 Questionnaire
Visit 10 (n=1,0)
50.00 score on a scale
Standard Deviation NA
Not calculable, due to single data point.
NA score on a scale
Standard Deviation NA
Not calculable, due to no participants for this data point.

Adverse Events

First and Second Line Treatment

Serious events: 29 serious events
Other events: 450 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
First and Second Line Treatment
n=606 participants at risk
The participants from the first line and second line treatments were combined for the adverse event analysis.
Gastrointestinal disorders
Enteritis
0.33%
2/606 • Up to 36 months
Gastrointestinal disorders
Intestinal obstruction
0.33%
2/606 • Up to 36 months
Gastrointestinal disorders
Intestinal perforation
0.33%
2/606 • Up to 36 months
Gastrointestinal disorders
Gastritis
0.17%
1/606 • Up to 36 months
Gastrointestinal disorders
Gastrointestinal hemorrhage
0.17%
1/606 • Up to 36 months
Gastrointestinal disorders
Gastrointestinal perforation
0.17%
1/606 • Up to 36 months
Gastrointestinal disorders
Mouth ulceration
0.17%
1/606 • Up to 36 months
Gastrointestinal disorders
Large intestinal obstruction
0.17%
1/606 • Up to 36 months
Gastrointestinal disorders
Enterovesical fistula
0.17%
1/606 • Up to 36 months
Infections and infestations
Infection
0.33%
2/606 • Up to 36 months
Infections and infestations
Bacteremia
0.17%
1/606 • Up to 36 months
Infections and infestations
Peritonitis
0.17%
1/606 • Up to 36 months
Infections and infestations
Urinary tract infection
0.17%
1/606 • Up to 36 months
Vascular disorders
Deep vein thrombosis
0.66%
4/606 • Up to 36 months
Cardiac disorders
Myocardial infarction
0.33%
2/606 • Up to 36 months
Cardiac disorders
Angina pectoris
0.17%
1/606 • Up to 36 months
Blood and lymphatic system disorders
Febrile neutropenia
0.17%
1/606 • Up to 36 months
Blood and lymphatic system disorders
Bone marrow failure
0.17%
1/606 • Up to 36 months
General disorders
Pyrexia
0.33%
2/606 • Up to 36 months
Investigations
Neutrophil count decreased
0.33%
2/606 • Up to 36 months
Injury, poisoning and procedural complications
Urinary tract stoma complication
0.17%
1/606 • Up to 36 months
Nervous system disorders
Hypoxic-ischaemic encephalopathy
0.17%
1/606 • Up to 36 months
Renal and urinary disorders
Ureteric fistula
0.17%
1/606 • Up to 36 months
Respiratory, thoracic and mediastinal disorders
Pulmonary embolism
0.17%
1/606 • Up to 36 months

Other adverse events

Other adverse events
Measure
First and Second Line Treatment
n=606 participants at risk
The participants from the first line and second line treatments were combined for the adverse event analysis.
Gastrointestinal disorders
Nausea
17.8%
108/606 • Up to 36 months
Gastrointestinal disorders
Vomiting
15.3%
93/606 • Up to 36 months
Gastrointestinal disorders
Diarrhea
10.7%
65/606 • Up to 36 months
Gastrointestinal disorders
Constipation
5.1%
31/606 • Up to 36 months
Investigations
White blood cell count decreased
21.5%
130/606 • Up to 36 months
Investigations
Neutrophil count decreased
16.5%
100/606 • Up to 36 months
Investigations
Platelet count decreased
6.4%
39/606 • Up to 36 months
Investigations
Alanine aminotransferase increased
6.1%
37/606 • Up to 36 months
Investigations
Aspartate aminotransferase increased
5.9%
36/606 • Up to 36 months
General disorders
Pyrexia
9.6%
58/606 • Up to 36 months
General disorders
Fatigue
8.6%
52/606 • Up to 36 months
Blood and lymphatic system disorders
Bone marrow failure
12.0%
73/606 • Up to 36 months
Metabolism and nutrition disorders
Decreased appetite
8.3%
50/606 • Up to 36 months

Additional Information

Medical Communications

Hoffmann-La Roche

Phone: 800-821-8590

Results disclosure agreements

  • Principal investigator is a sponsor employee The Study being conducted under this Agreement is part of the Overall Study. Investigator is free to publish in reputable journals or to present at professional conferences the results of the Study, but only after the first publication or presentation that involves the Overall Study. The Sponsor may request that Confidential Information be deleted and/or the publication be postponed in order to protect the Sponsor's intellectual property rights.
  • Publication restrictions are in place

Restriction type: OTHER