Trial Outcomes & Findings for Boceprevir in Subjects With Chronic Hepatitis C Genotype 1 Who Failed Prior Treatment With Peginterferon/Ribavirin (Study P05101AM3)(COMPLETED) (NCT NCT00708500)

NCT ID: NCT00708500

Last Updated: 2017-04-07

Results Overview

SVR is defined as undetectable plasma hepatitis C virus RNA (HCV-RNA) at Follow-up Week 24. This outcome measure evaluates SVR after treatment with boceprevir and PEG2b plus RBV versus PEG2b plus RBV alone in participants with chronic hepatitis C (CHC) genotype 1 who failed prior treatment.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

404 participants

Primary outcome timeframe

At Follow-up Week 24

Results posted on

2017-04-07

Participant Flow

154 participants who discontinued during the treatment phase (including those from lead in and/or boceprevir/placebo) entered the follow up phase

Participant milestones

Participant milestones
Measure
Placebo+PEG2b+RBV, x 44 Weeks
Participants in Arm 1 (control) received pegylated interferon alfa 2b (PegIntron, PEG2b) + Ribavirin (RBV) (weight-based dosing \[WBD\]) for 4 weeks followed by boceprevir placebo + PEG2b + RBV (WBD) for 44 weeks with 24 weeks post-treatment follow-up.
Boceprevir+PEG2b+RBV, Response Guided Therapy
Participants in Arm 2 (experimental) were assigned either a 36-week or 48-week course of therapy based on their HCV-RNA status at Treatment Week 8. PEG2b + RBV (WBD) for 4 weeks followed by boceprevir + PEG2b + RBV (WBD) for 32 weeks, then: * 36-week regimen: Participants who have undetectable HCV-RNA at Treatment Week 8 discontinue treatment and enter 36 weeks of post treatment follow-up. * 48-week regimen: Participants who have detectable HCV-RNA at Treatment Week 8 are assigned an additional 12 weeks of therapy, followed by 24 weeks of post treatment follow-up. Placebo replaces boceprevir for the remaining 12 weeks of therapy, and this switch will occur in a blinded fashion.
Boceprevir+PEG2b+RBV, x 44 Weeks
Participants in Arm 3 (experimental) received PEG2b + RBV (WBD) for 4 weeks followed by boceprevir + PEG2b + RBV (WBD) for 44 weeks with 24 weeks post-treatment follow-up.
Treatment (Tx): 4 WEEK LEAD-IN PERIOD
STARTED
80
162
162
Treatment (Tx): 4 WEEK LEAD-IN PERIOD
Treated With PEG2b + RBV
80
162
161
Treatment (Tx): 4 WEEK LEAD-IN PERIOD
COMPLETED
78
156
160
Treatment (Tx): 4 WEEK LEAD-IN PERIOD
NOT COMPLETED
2
6
2
Tx: RECEIVING BOCEPREVIR/PLACEBO
STARTED
78
156
160
Tx: RECEIVING BOCEPREVIR/PLACEBO
COMPLETED
23
104
105
Tx: RECEIVING BOCEPREVIR/PLACEBO
NOT COMPLETED
55
52
55
FOLLOWUP
STARTED
77
151
158
FOLLOWUP
COMPLETED
37
136
143
FOLLOWUP
NOT COMPLETED
40
15
15

Reasons for withdrawal

Reasons for withdrawal
Measure
Placebo+PEG2b+RBV, x 44 Weeks
Participants in Arm 1 (control) received pegylated interferon alfa 2b (PegIntron, PEG2b) + Ribavirin (RBV) (weight-based dosing \[WBD\]) for 4 weeks followed by boceprevir placebo + PEG2b + RBV (WBD) for 44 weeks with 24 weeks post-treatment follow-up.
Boceprevir+PEG2b+RBV, Response Guided Therapy
Participants in Arm 2 (experimental) were assigned either a 36-week or 48-week course of therapy based on their HCV-RNA status at Treatment Week 8. PEG2b + RBV (WBD) for 4 weeks followed by boceprevir + PEG2b + RBV (WBD) for 32 weeks, then: * 36-week regimen: Participants who have undetectable HCV-RNA at Treatment Week 8 discontinue treatment and enter 36 weeks of post treatment follow-up. * 48-week regimen: Participants who have detectable HCV-RNA at Treatment Week 8 are assigned an additional 12 weeks of therapy, followed by 24 weeks of post treatment follow-up. Placebo replaces boceprevir for the remaining 12 weeks of therapy, and this switch will occur in a blinded fashion.
Boceprevir+PEG2b+RBV, x 44 Weeks
Participants in Arm 3 (experimental) received PEG2b + RBV (WBD) for 4 weeks followed by boceprevir + PEG2b + RBV (WBD) for 44 weeks with 24 weeks post-treatment follow-up.
Treatment (Tx): 4 WEEK LEAD-IN PERIOD
Adverse Event
1
3
1
Treatment (Tx): 4 WEEK LEAD-IN PERIOD
Subject withdrawal unrelated to Tx
1
0
0
Treatment (Tx): 4 WEEK LEAD-IN PERIOD
Subject withdrawal related to Tx
0
1
0
Treatment (Tx): 4 WEEK LEAD-IN PERIOD
Subject withdrew consent
0
2
0
Treatment (Tx): 4 WEEK LEAD-IN PERIOD
Randomized but not treated
0
0
1
Tx: RECEIVING BOCEPREVIR/PLACEBO
Adverse Event
1
10
19
Tx: RECEIVING BOCEPREVIR/PLACEBO
Treatment Failure
49
36
29
Tx: RECEIVING BOCEPREVIR/PLACEBO
Lost to Follow-up
0
1
0
Tx: RECEIVING BOCEPREVIR/PLACEBO
Subject withdrawal unrelated to Tx
3
1
4
Tx: RECEIVING BOCEPREVIR/PLACEBO
Subject withdrawal related to Tx
2
0
1
Tx: RECEIVING BOCEPREVIR/PLACEBO
Subject withdrew consent
0
2
1
Tx: RECEIVING BOCEPREVIR/PLACEBO
Non-compliance with protocol
0
1
1
Tx: RECEIVING BOCEPREVIR/PLACEBO
Administrative
0
1
0
FOLLOWUP
Adverse Event
0
1
0
FOLLOWUP
Lost to Follow-up
1
6
4
FOLLOWUP
Subject withdrawal unrelated to Tx
3
4
5
FOLLOWUP
Subject withdrew consent
31
4
5
FOLLOWUP
Non-compliance with protocol
5
0
1

Baseline Characteristics

Boceprevir in Subjects With Chronic Hepatitis C Genotype 1 Who Failed Prior Treatment With Peginterferon/Ribavirin (Study P05101AM3)(COMPLETED)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Placebo+PEG2b+RBV, x 44 Weeks
n=80 Participants
Participants in Arm 1 (control) received pegylated interferon alfa 2b (PegIntron, PEG2b) + Ribavirin (RBV) (weight-based dosing \[WBD\]) for 4 weeks followed by boceprevir placebo + PEG2b + RBV (WBD) for 44 weeks with 24 weeks post-treatment follow-up.
Boceprevir+PEG2b+RBV, Response Guided Therapy
n=162 Participants
Participants in Arm 2 (experimental) were assigned either a 36-week or 48-week course of therapy based on their HCV-RNA status at Treatment Week 8. PEG2b + RBV (WBD) for 4 weeks followed by boceprevir + PEG2b + RBV (WBD) for 32 weeks, then: * 36-week regimen: Participants who have undetectable HCV-RNA at Treatment Week 8 discontinue treatment and enter 36 weeks of post treatment follow-up. * 48-week regimen: Participants who have detectable HCV-RNA at Treatment Week 8 are assigned an additional 12 weeks of therapy, followed by 24 weeks of post treatment follow-up. Placebo replaces boceprevir for the remaining 12 weeks of therapy, and this switch will occur in a blinded fashion.
Boceprevir+PEG2b+RBV, x 44 Weeks
n=161 Participants
Participants in Arm 3 (experimental) received PEG2b + RBV (WBD) for 4 weeks followed by boceprevir + PEG2b + RBV (WBD) for 44 weeks with 24 weeks post-treatment follow-up.
Total
n=403 Participants
Total of all reporting groups
Age, Continuous
52.9 years
STANDARD_DEVIATION 8.1 • n=93 Participants
52.9 years
STANDARD_DEVIATION 7.4 • n=4 Participants
52.3 years
STANDARD_DEVIATION 7.7 • n=27 Participants
52.7 years
STANDARD_DEVIATION 7.7 • n=483 Participants
Sex: Female, Male
Female
22 Participants
n=93 Participants
64 Participants
n=4 Participants
49 Participants
n=27 Participants
135 Participants
n=483 Participants
Sex: Female, Male
Male
58 Participants
n=93 Participants
98 Participants
n=4 Participants
112 Participants
n=27 Participants
268 Participants
n=483 Participants

PRIMARY outcome

Timeframe: At Follow-up Week 24

Population: FAS = all randomized subjects who received at least one dose of any study medication (Peg, RBV, or boceprevir/placebo).

SVR is defined as undetectable plasma hepatitis C virus RNA (HCV-RNA) at Follow-up Week 24. This outcome measure evaluates SVR after treatment with boceprevir and PEG2b plus RBV versus PEG2b plus RBV alone in participants with chronic hepatitis C (CHC) genotype 1 who failed prior treatment.

Outcome measures

Outcome measures
Measure
Placebo+PEG2b+RBV, x 44 Weeks
n=80 Participants
Participants in Arm 1 (control) received pegylated interferon alfa 2b (PegIntron, PEG2b) + Ribavirin (RBV) (weight-based dosing \[WBD\]) for 4 weeks followed by boceprevir placebo + PEG2b + RBV (WBD) for 44 weeks with 24 weeks post-treatment follow-up.
Boceprevir+PEG2b+RBV, Response Guided Therapy
n=162 Participants
Participants in Arm 2 (experimental) were assigned either a 36-week or 48-week course of therapy based on their HCV-RNA status at Treatment Week 8. PEG2b + RBV (WBD) for 4 weeks followed by boceprevir + PEG2b + RBV (WBD) for 32 weeks, then: * 36-week regimen: Participants who have undetectable HCV-RNA at Treatment Week 8 discontinue treatment and enter 36 weeks of post treatment follow-up. * 48-week regimen: Participants who have detectable HCV-RNA at Treatment Week 8 are assigned an additional 12 weeks of therapy, followed by 24 weeks of post treatment follow-up. Placebo replaces boceprevir for the remaining 12 weeks of therapy, and this switch will occur in a blinded fashion.
Boceprevir+PEG2b+RBV, x 44 Weeks
n=161 Participants
Participants in Arm 3 (experimental) received PEG2b + RBV (WBD) for 4 weeks followed by boceprevir + PEG2b + RBV (WBD) for 44 weeks with 24 weeks post-treatment follow-up.
Sustained Virologic Response (SVR) Rate in the Full Analysis Set (FAS) Population.
21.3 Percentage of Participants
58.6 Percentage of Participants
66.5 Percentage of Participants

SECONDARY outcome

Timeframe: At Follow-up Week 24

Population: mITT = all randomized subjects who received at least one dose of boceprevir (experimental arms) or boceprevir placebo (control arm).

SVR is defined as undetectable plasma HCV-RNA at Follow-up Week 24. This outcome measure evaluates SVR after treatment with boceprevir and PEG2b plus RBV versus PEG2b plus RBV alone in participants with CHC genotype 1 who failed prior treatment. This key secondary efficacy endpoint was added as per the second protocol amendment on 02 DEC 2009.

Outcome measures

Outcome measures
Measure
Placebo+PEG2b+RBV, x 44 Weeks
n=78 Participants
Participants in Arm 1 (control) received pegylated interferon alfa 2b (PegIntron, PEG2b) + Ribavirin (RBV) (weight-based dosing \[WBD\]) for 4 weeks followed by boceprevir placebo + PEG2b + RBV (WBD) for 44 weeks with 24 weeks post-treatment follow-up.
Boceprevir+PEG2b+RBV, Response Guided Therapy
n=156 Participants
Participants in Arm 2 (experimental) were assigned either a 36-week or 48-week course of therapy based on their HCV-RNA status at Treatment Week 8. PEG2b + RBV (WBD) for 4 weeks followed by boceprevir + PEG2b + RBV (WBD) for 32 weeks, then: * 36-week regimen: Participants who have undetectable HCV-RNA at Treatment Week 8 discontinue treatment and enter 36 weeks of post treatment follow-up. * 48-week regimen: Participants who have detectable HCV-RNA at Treatment Week 8 are assigned an additional 12 weeks of therapy, followed by 24 weeks of post treatment follow-up. Placebo replaces boceprevir for the remaining 12 weeks of therapy, and this switch will occur in a blinded fashion.
Boceprevir+PEG2b+RBV, x 44 Weeks
n=160 Participants
Participants in Arm 3 (experimental) received PEG2b + RBV (WBD) for 4 weeks followed by boceprevir + PEG2b + RBV (WBD) for 44 weeks with 24 weeks post-treatment follow-up.
Sustained Virologic Response (SVR) Rate in the Modified Intent to Treat (mITT) Population.
21.8 Percentage of Participants
60.9 Percentage of Participants
66.9 Percentage of Participants

SECONDARY outcome

Timeframe: At Week 2, 4, 8, or 12

Population: FAS = all randomized subjects who received at least one dose of any study medication (Peg, RBV, or boceprevir/placebo).

Having undetectable HCV-RNA at Week 2, 4, 8, or 12 was considered Early Virologic Response.

Outcome measures

Outcome measures
Measure
Placebo+PEG2b+RBV, x 44 Weeks
n=80 Participants
Participants in Arm 1 (control) received pegylated interferon alfa 2b (PegIntron, PEG2b) + Ribavirin (RBV) (weight-based dosing \[WBD\]) for 4 weeks followed by boceprevir placebo + PEG2b + RBV (WBD) for 44 weeks with 24 weeks post-treatment follow-up.
Boceprevir+PEG2b+RBV, Response Guided Therapy
n=162 Participants
Participants in Arm 2 (experimental) were assigned either a 36-week or 48-week course of therapy based on their HCV-RNA status at Treatment Week 8. PEG2b + RBV (WBD) for 4 weeks followed by boceprevir + PEG2b + RBV (WBD) for 32 weeks, then: * 36-week regimen: Participants who have undetectable HCV-RNA at Treatment Week 8 discontinue treatment and enter 36 weeks of post treatment follow-up. * 48-week regimen: Participants who have detectable HCV-RNA at Treatment Week 8 are assigned an additional 12 weeks of therapy, followed by 24 weeks of post treatment follow-up. Placebo replaces boceprevir for the remaining 12 weeks of therapy, and this switch will occur in a blinded fashion.
Boceprevir+PEG2b+RBV, x 44 Weeks
n=161 Participants
Participants in Arm 3 (experimental) received PEG2b + RBV (WBD) for 4 weeks followed by boceprevir + PEG2b + RBV (WBD) for 44 weeks with 24 weeks post-treatment follow-up.
Number of Participants With Early Virologic Response.
Week 2
0 participants
0 participants
0 participants
Number of Participants With Early Virologic Response.
Week 4
2 participants
0 participants
2 participants
Number of Participants With Early Virologic Response.
Week 8
7 participants
74 participants
84 participants
Number of Participants With Early Virologic Response.
Week 12
23 participants
111 participants
121 participants

SECONDARY outcome

Timeframe: At Follow-up Week 12 and at 72 weeks after randomization

Population: FAS = all randomized subjects who received at least one dose of any study medication (Peg, RBV, or boceprevir/placebo).

Outcome measures

Outcome measures
Measure
Placebo+PEG2b+RBV, x 44 Weeks
n=80 Participants
Participants in Arm 1 (control) received pegylated interferon alfa 2b (PegIntron, PEG2b) + Ribavirin (RBV) (weight-based dosing \[WBD\]) for 4 weeks followed by boceprevir placebo + PEG2b + RBV (WBD) for 44 weeks with 24 weeks post-treatment follow-up.
Boceprevir+PEG2b+RBV, Response Guided Therapy
n=162 Participants
Participants in Arm 2 (experimental) were assigned either a 36-week or 48-week course of therapy based on their HCV-RNA status at Treatment Week 8. PEG2b + RBV (WBD) for 4 weeks followed by boceprevir + PEG2b + RBV (WBD) for 32 weeks, then: * 36-week regimen: Participants who have undetectable HCV-RNA at Treatment Week 8 discontinue treatment and enter 36 weeks of post treatment follow-up. * 48-week regimen: Participants who have detectable HCV-RNA at Treatment Week 8 are assigned an additional 12 weeks of therapy, followed by 24 weeks of post treatment follow-up. Placebo replaces boceprevir for the remaining 12 weeks of therapy, and this switch will occur in a blinded fashion.
Boceprevir+PEG2b+RBV, x 44 Weeks
n=161 Participants
Participants in Arm 3 (experimental) received PEG2b + RBV (WBD) for 4 weeks followed by boceprevir + PEG2b + RBV (WBD) for 44 weeks with 24 weeks post-treatment follow-up.
Number of Participants With Undetectable HCV-RNA at Follow-up Week 12 and at 72 Weeks After Randomization.
Follow-Up Week 12
16 participants
97 participants
105 participants
Number of Participants With Undetectable HCV-RNA at Follow-up Week 12 and at 72 Weeks After Randomization.
72 Weeks Post Randomization
17 participants
93 participants
105 participants

Adverse Events

Placebo+PEG2b+RBV, x 44 Weeks

Serious events: 4 serious events
Other events: 77 other events
Deaths: 0 deaths

Boceprevir+PEG2b+RBV, Response Guided Therapy

Serious events: 16 serious events
Other events: 159 other events
Deaths: 0 deaths

Boceprevir+PEG2b+RBV, x 44 Weeks

Serious events: 23 serious events
Other events: 160 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Placebo+PEG2b+RBV, x 44 Weeks
n=80 participants at risk
Participants in Arm 1 (control) received pegylated interferon alfa 2b (PegIntron, PEG2b) + Ribavirin (RBV) (weight-based dosing \[WBD\]) for 4 weeks followed by boceprevir placebo + PEG2b + RBV (WBD) for 44 weeks with 24 weeks post-treatment follow-up.
Boceprevir+PEG2b+RBV, Response Guided Therapy
n=162 participants at risk
Participants in Arm 2 (experimental) were assigned either a 36-week or 48-week course of therapy based on their HCV-RNA status at Treatment Week 8. PEG2b + RBV (WBD) for 4 weeks followed by boceprevir + PEG2b + RBV (WBD) for 32 weeks, then: * 36-week regimen: Participants who have undetectable HCV-RNA at Treatment Week 8 discontinue treatment and enter 36 weeks of post treatment follow-up. * 48-week regimen: Participants who have detectable HCV-RNA at Treatment Week 8 are assigned an additional 12 weeks of therapy, followed by 24 weeks of post treatment follow-up. Placebo replaces boceprevir for the remaining 12 weeks of therapy, and this switch will occur in a blinded fashion.
Boceprevir+PEG2b+RBV, x 44 Weeks
n=161 participants at risk
Participants in Arm 3 (experimental) received PEG2b + RBV (WBD) for 4 weeks followed by boceprevir + PEG2b + RBV (WBD) for 44 weeks with 24 weeks post-treatment follow-up.
Blood and lymphatic system disorders
ANAEMIA
0.00%
0/80
0.00%
0/162
3.1%
5/161 • Number of events 5
Cardiac disorders
ANGINA PECTORIS
0.00%
0/80
0.62%
1/162 • Number of events 1
0.00%
0/161
Cardiac disorders
ATRIAL FIBRILLATION
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Cardiac disorders
CORONARY ARTERY DISEASE
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Cardiac disorders
MYOCARDIAL INFARCTION
0.00%
0/80
0.62%
1/162 • Number of events 1
0.00%
0/161
Cardiac disorders
MYOPERICARDITIS
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Gastrointestinal disorders
ABDOMINAL PAIN
0.00%
0/80
1.2%
2/162 • Number of events 2
0.00%
0/161
Gastrointestinal disorders
CONSTIPATION
0.00%
0/80
0.62%
1/162 • Number of events 1
0.00%
0/161
Gastrointestinal disorders
DIARRHOEA
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Gastrointestinal disorders
GASTRITIS
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Gastrointestinal disorders
IRRITABLE BOWEL SYNDROME
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Gastrointestinal disorders
OESOPHAGEAL VARICES HAEMORRHAGE
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Gastrointestinal disorders
PANCREATITIS ACUTE
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Gastrointestinal disorders
PANCREATITIS NECROTISING
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Gastrointestinal disorders
PEPTIC ULCER
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
General disorders
ASTHENIA
0.00%
0/80
0.62%
1/162 • Number of events 1
0.00%
0/161
General disorders
CHEST PAIN
1.2%
1/80 • Number of events 1
1.2%
2/162 • Number of events 3
0.62%
1/161 • Number of events 1
General disorders
OEDEMA PERIPHERAL
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
General disorders
PYREXIA
0.00%
0/80
0.62%
1/162 • Number of events 1
0.00%
0/161
Hepatobiliary disorders
CHOLECYSTITIS
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 2
Hepatobiliary disorders
CHOLELITHIASIS
1.2%
1/80 • Number of events 2
0.00%
0/162
0.00%
0/161
Infections and infestations
APPENDICITIS
0.00%
0/80
0.00%
0/162
1.9%
3/161 • Number of events 3
Infections and infestations
BRONCHOPNEUMONIA
0.00%
0/80
0.62%
1/162 • Number of events 1
0.00%
0/161
Infections and infestations
CATHETER SITE INFECTION
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Infections and infestations
GASTROENTERITIS
1.2%
1/80 • Number of events 1
0.00%
0/162
0.00%
0/161
Infections and infestations
GASTROENTERITIS VIRAL
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Infections and infestations
PNEUMONIA
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Injury, poisoning and procedural complications
LOWER LIMB FRACTURE
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Injury, poisoning and procedural complications
OVERDOSE
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Metabolism and nutrition disorders
DECREASED APPETITE
0.00%
0/80
0.62%
1/162 • Number of events 1
0.00%
0/161
Metabolism and nutrition disorders
DEHYDRATION
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Metabolism and nutrition disorders
HYPERGLYCAEMIA
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Musculoskeletal and connective tissue disorders
BACK PAIN
0.00%
0/80
0.62%
1/162 • Number of events 1
0.00%
0/161
Musculoskeletal and connective tissue disorders
INTERVERTEBRAL DISC PROTRUSION
0.00%
0/80
1.2%
2/162 • Number of events 2
0.00%
0/161
Musculoskeletal and connective tissue disorders
PAIN IN EXTREMITY
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
HEPATIC NEOPLASM MALIGNANT
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Nervous system disorders
HEPATIC ENCEPHALOPATHY
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Nervous system disorders
PARKINSONISM
1.2%
1/80 • Number of events 1
0.00%
0/162
0.00%
0/161
Nervous system disorders
SCIATICA
0.00%
0/80
0.62%
1/162 • Number of events 1
0.00%
0/161
Nervous system disorders
SYNCOPE
0.00%
0/80
0.62%
1/162 • Number of events 1
0.00%
0/161
Psychiatric disorders
BIPOLAR DISORDER
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Psychiatric disorders
COMPLETED SUICIDE
0.00%
0/80
0.62%
1/162 • Number of events 1
0.00%
0/161
Psychiatric disorders
DEPRESSION
0.00%
0/80
1.9%
3/162 • Number of events 3
0.62%
1/161 • Number of events 1
Psychiatric disorders
HOMICIDAL IDEATION
0.00%
0/80
0.62%
1/162 • Number of events 1
0.62%
1/161 • Number of events 1
Psychiatric disorders
SUICIDAL IDEATION
0.00%
0/80
1.9%
3/162 • Number of events 3
1.2%
2/161 • Number of events 2
Respiratory, thoracic and mediastinal disorders
DYSPNOEA
0.00%
0/80
1.2%
2/162 • Number of events 2
0.00%
0/161
Respiratory, thoracic and mediastinal disorders
PLEURITIC PAIN
0.00%
0/80
0.62%
1/162 • Number of events 1
0.00%
0/161
Respiratory, thoracic and mediastinal disorders
PNEUMOTHORAX
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Surgical and medical procedures
ABDOMINAL HERNIA REPAIR
0.00%
0/80
0.62%
1/162 • Number of events 1
0.00%
0/161
Vascular disorders
DEEP VEIN THROMBOSIS
0.00%
0/80
0.00%
0/162
0.62%
1/161 • Number of events 1
Vascular disorders
PHLEBITIS
0.00%
0/80
0.62%
1/162 • Number of events 1
0.00%
0/161

Other adverse events

Other adverse events
Measure
Placebo+PEG2b+RBV, x 44 Weeks
n=80 participants at risk
Participants in Arm 1 (control) received pegylated interferon alfa 2b (PegIntron, PEG2b) + Ribavirin (RBV) (weight-based dosing \[WBD\]) for 4 weeks followed by boceprevir placebo + PEG2b + RBV (WBD) for 44 weeks with 24 weeks post-treatment follow-up.
Boceprevir+PEG2b+RBV, Response Guided Therapy
n=162 participants at risk
Participants in Arm 2 (experimental) were assigned either a 36-week or 48-week course of therapy based on their HCV-RNA status at Treatment Week 8. PEG2b + RBV (WBD) for 4 weeks followed by boceprevir + PEG2b + RBV (WBD) for 32 weeks, then: * 36-week regimen: Participants who have undetectable HCV-RNA at Treatment Week 8 discontinue treatment and enter 36 weeks of post treatment follow-up. * 48-week regimen: Participants who have detectable HCV-RNA at Treatment Week 8 are assigned an additional 12 weeks of therapy, followed by 24 weeks of post treatment follow-up. Placebo replaces boceprevir for the remaining 12 weeks of therapy, and this switch will occur in a blinded fashion.
Boceprevir+PEG2b+RBV, x 44 Weeks
n=161 participants at risk
Participants in Arm 3 (experimental) received PEG2b + RBV (WBD) for 4 weeks followed by boceprevir + PEG2b + RBV (WBD) for 44 weeks with 24 weeks post-treatment follow-up.
Nervous system disorders
DIZZINESS
10.0%
8/80 • Number of events 8
16.0%
26/162 • Number of events 29
16.1%
26/161 • Number of events 36
Nervous system disorders
DYSGEUSIA
11.2%
9/80 • Number of events 9
43.2%
70/162 • Number of events 79
44.7%
72/161 • Number of events 86
Nervous system disorders
HEADACHE
48.8%
39/80 • Number of events 50
42.6%
69/162 • Number of events 95
39.8%
64/161 • Number of events 82
Nervous system disorders
MEMORY IMPAIRMENT
5.0%
4/80 • Number of events 5
6.2%
10/162 • Number of events 10
3.1%
5/161 • Number of events 5
Psychiatric disorders
ANXIETY
7.5%
6/80 • Number of events 7
11.7%
19/162 • Number of events 25
12.4%
20/161 • Number of events 23
Psychiatric disorders
DEPRESSION
15.0%
12/80 • Number of events 12
11.1%
18/162 • Number of events 21
17.4%
28/161 • Number of events 39
Psychiatric disorders
INSOMNIA
23.8%
19/80 • Number of events 33
30.9%
50/162 • Number of events 65
29.2%
47/161 • Number of events 62
Respiratory, thoracic and mediastinal disorders
COUGH
17.5%
14/80 • Number of events 20
18.5%
30/162 • Number of events 36
24.8%
40/161 • Number of events 59
Respiratory, thoracic and mediastinal disorders
DYSPNOEA
17.5%
14/80 • Number of events 14
17.9%
29/162 • Number of events 42
24.8%
40/161 • Number of events 46
Respiratory, thoracic and mediastinal disorders
DYSPNOEA EXERTIONAL
5.0%
4/80 • Number of events 4
13.6%
22/162 • Number of events 23
8.7%
14/161 • Number of events 14
Blood and lymphatic system disorders
ANAEMIA
20.0%
16/80 • Number of events 20
43.2%
70/162 • Number of events 117
46.6%
75/161 • Number of events 125
Blood and lymphatic system disorders
LEUKOPENIA
1.2%
1/80 • Number of events 3
2.5%
4/162 • Number of events 12
6.8%
11/161 • Number of events 18
Blood and lymphatic system disorders
NEUTROPENIA
10.0%
8/80 • Number of events 12
14.2%
23/162 • Number of events 60
14.3%
23/161 • Number of events 43
Blood and lymphatic system disorders
THROMBOCYTOPENIA
0.00%
0/80
1.2%
2/162 • Number of events 4
6.2%
10/161 • Number of events 12
Gastrointestinal disorders
ABDOMINAL PAIN
10.0%
8/80 • Number of events 8
2.5%
4/162 • Number of events 4
6.8%
11/161 • Number of events 12
Gastrointestinal disorders
ABDOMINAL PAIN UPPER
2.5%
2/80 • Number of events 2
8.6%
14/162 • Number of events 23
7.5%
12/161 • Number of events 16
Gastrointestinal disorders
CONSTIPATION
7.5%
6/80 • Number of events 6
9.3%
15/162 • Number of events 17
11.8%
19/161 • Number of events 22
Gastrointestinal disorders
DIARRHOEA
16.2%
13/80 • Number of events 21
23.5%
38/162 • Number of events 59
24.8%
40/161 • Number of events 59
Gastrointestinal disorders
DRY MOUTH
8.8%
7/80 • Number of events 8
13.0%
21/162 • Number of events 25
16.1%
26/161 • Number of events 32
Gastrointestinal disorders
DYSPEPSIA
6.2%
5/80 • Number of events 5
6.8%
11/162 • Number of events 16
6.2%
10/161 • Number of events 13
Gastrointestinal disorders
GASTROOESOPHAGEAL REFLUX DISEASE
0.00%
0/80
5.6%
9/162 • Number of events 9
5.6%
9/161 • Number of events 9
Gastrointestinal disorders
NAUSEA
37.5%
30/80 • Number of events 37
44.4%
72/162 • Number of events 89
42.2%
68/161 • Number of events 99
Gastrointestinal disorders
STOMATITIS
2.5%
2/80 • Number of events 2
6.2%
10/162 • Number of events 11
3.1%
5/161 • Number of events 6
Gastrointestinal disorders
VOMITING
7.5%
6/80 • Number of events 6
14.2%
23/162 • Number of events 27
14.9%
24/161 • Number of events 33
General disorders
ASTHENIA
16.2%
13/80 • Number of events 20
18.5%
30/162 • Number of events 43
23.6%
38/161 • Number of events 59
General disorders
CHILLS
30.0%
24/80 • Number of events 36
34.6%
56/162 • Number of events 94
31.1%
50/161 • Number of events 63
General disorders
FATIGUE
50.0%
40/80 • Number of events 59
53.7%
87/162 • Number of events 137
57.1%
92/161 • Number of events 115
General disorders
INFLUENZA LIKE ILLNESS
25.0%
20/80 • Number of events 20
25.3%
41/162 • Number of events 51
23.6%
38/161 • Number of events 44
General disorders
INJECTION SITE ERYTHEMA
8.8%
7/80 • Number of events 17
13.6%
22/162 • Number of events 24
9.9%
16/161 • Number of events 33
General disorders
INJECTION SITE REACTION
8.8%
7/80 • Number of events 10
5.6%
9/162 • Number of events 12
9.9%
16/161 • Number of events 17
General disorders
IRRITABILITY
12.5%
10/80 • Number of events 13
19.1%
31/162 • Number of events 38
22.4%
36/161 • Number of events 41
General disorders
PAIN
3.8%
3/80 • Number of events 5
6.8%
11/162 • Number of events 12
9.3%
15/161 • Number of events 15
General disorders
PYREXIA
25.0%
20/80 • Number of events 32
27.8%
45/162 • Number of events 58
29.8%
48/161 • Number of events 67
Infections and infestations
BRONCHITIS
7.5%
6/80 • Number of events 6
1.9%
3/162 • Number of events 5
3.7%
6/161 • Number of events 7
Infections and infestations
NASOPHARYNGITIS
7.5%
6/80 • Number of events 9
3.1%
5/162 • Number of events 6
2.5%
4/161 • Number of events 4
Infections and infestations
SINUSITIS
8.8%
7/80 • Number of events 7
4.3%
7/162 • Number of events 10
2.5%
4/161 • Number of events 5
Investigations
WEIGHT DECREASED
8.8%
7/80 • Number of events 8
13.0%
21/162 • Number of events 27
9.3%
15/161 • Number of events 19
Metabolism and nutrition disorders
DECREASED APPETITE
16.2%
13/80 • Number of events 15
22.8%
37/162 • Number of events 38
28.6%
46/161 • Number of events 56
Musculoskeletal and connective tissue disorders
ARTHRALGIA
16.2%
13/80 • Number of events 15
21.0%
34/162 • Number of events 36
24.2%
39/161 • Number of events 53
Musculoskeletal and connective tissue disorders
BACK PAIN
6.2%
5/80 • Number of events 7
8.0%
13/162 • Number of events 16
8.7%
14/161 • Number of events 15
Musculoskeletal and connective tissue disorders
MYALGIA
23.8%
19/80 • Number of events 28
28.4%
46/162 • Number of events 82
21.7%
35/161 • Number of events 42
Musculoskeletal and connective tissue disorders
PAIN IN EXTREMITY
5.0%
4/80 • Number of events 4
1.9%
3/162 • Number of events 4
6.2%
10/161 • Number of events 13
Nervous system disorders
DISTURBANCE IN ATTENTION
7.5%
6/80 • Number of events 7
6.8%
11/162 • Number of events 11
7.5%
12/161 • Number of events 17
Respiratory, thoracic and mediastinal disorders
EPISTAXIS
5.0%
4/80 • Number of events 4
6.2%
10/162 • Number of events 11
4.3%
7/161 • Number of events 9
Respiratory, thoracic and mediastinal disorders
OROPHARYNGEAL PAIN
6.2%
5/80 • Number of events 5
4.3%
7/162 • Number of events 8
5.6%
9/161 • Number of events 9
Respiratory, thoracic and mediastinal disorders
PRODUCTIVE COUGH
2.5%
2/80 • Number of events 2
2.5%
4/162 • Number of events 4
6.8%
11/161 • Number of events 12
Skin and subcutaneous tissue disorders
ALOPECIA
16.2%
13/80 • Number of events 14
25.9%
42/162 • Number of events 44
18.0%
29/161 • Number of events 30
Skin and subcutaneous tissue disorders
DRY SKIN
8.8%
7/80 • Number of events 11
21.6%
35/162 • Number of events 40
23.0%
37/161 • Number of events 45
Skin and subcutaneous tissue disorders
PRURITUS
17.5%
14/80 • Number of events 17
19.1%
31/162 • Number of events 41
19.3%
31/161 • Number of events 47
Skin and subcutaneous tissue disorders
RASH
6.2%
5/80 • Number of events 6
16.7%
27/162 • Number of events 32
14.9%
24/161 • Number of events 40

Additional Information

Senior Vice President, Global Clinical Development

Merck Sharp & Dohme Corp

Results disclosure agreements

  • Principal investigator is a sponsor employee Investigator may not publish/publicly present interim results without prior consent of Sponsor. Any materials that report results of the study must be sent to Sponsor 45 days prior to submission for publication/presentation. Sponsor has right to review and comment. In case of any disagreements concerning appropriateness of the materials, investigator and Sponsor must meet to make a good faith effort to discuss/resolve the issues or disagreement, prior to submission for publication/presentation.
  • Publication restrictions are in place

Restriction type: OTHER