Trial Outcomes & Findings for A Study to Evaluate the Efficacy and Safety of Boceprevir Added to Standard of Care Therapy in Previously Treated Participants With Chronic Hepatitis C Genotype 1 and Cirrhosis (MK-3034-105) (NCT NCT01756079)

NCT ID: NCT01756079

Last Updated: 2018-09-05

Results Overview

Hepatitis C Virus (HCV) ribonucleic acid (RNA) was measured using a polymerase chain reaction assay. SVR24 was defined as HCV RNA less than the Limit of Quantification (\<25 International Units (IU)/mL) 24 weeks after the end of the Treatment Period.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

58 participants

Primary outcome timeframe

Week 72 (24 weeks after end of treatment)

Results posted on

2018-09-05

Participant Flow

A total of 130 participants were screened. Sixty participants passed screening, but 2 of these participants were excluded before assignment because standard of care treatment was not received during the Lead-in Period.

Participant milestones

Participant milestones
Measure
Overall Participants
Participants received PegIFN-2b (once weekly, 1.5 µg/kg subcutaneously) + RBV (capsules, orally, weight-based dose from 800-1400 mg/day divided into two daily doses) for 4 weeks during the Lead-in Period and then 44 additional weeks of treatment in the Treatment Period receiving PegIFN-2b (once weekly, 1.5 µg/kg subcutaneously) + RBV (capsules, orally, weight-based dose from 800-1400 mg/day divided into two daily doses) + boceprevir (capsules, orally, 800 mg three times per day). After completion of treatment, follow-up continued for an additional 24 weeks.
Lead-in: Day 0 to Week 4
STARTED
58
Lead-in: Day 0 to Week 4
COMPLETED
58
Lead-in: Day 0 to Week 4
NOT COMPLETED
0
Treatment / Follow-up: Week 4 to Week 72
STARTED
58
Treatment / Follow-up: Week 4 to Week 72
Treated in Treatment Period
54
Treatment / Follow-up: Week 4 to Week 72
COMPLETED
23
Treatment / Follow-up: Week 4 to Week 72
NOT COMPLETED
35

Reasons for withdrawal

Reasons for withdrawal
Measure
Overall Participants
Participants received PegIFN-2b (once weekly, 1.5 µg/kg subcutaneously) + RBV (capsules, orally, weight-based dose from 800-1400 mg/day divided into two daily doses) for 4 weeks during the Lead-in Period and then 44 additional weeks of treatment in the Treatment Period receiving PegIFN-2b (once weekly, 1.5 µg/kg subcutaneously) + RBV (capsules, orally, weight-based dose from 800-1400 mg/day divided into two daily doses) + boceprevir (capsules, orally, 800 mg three times per day). After completion of treatment, follow-up continued for an additional 24 weeks.
Treatment / Follow-up: Week 4 to Week 72
Withdrawal by Subject
4
Treatment / Follow-up: Week 4 to Week 72
Adverse Event
5
Treatment / Follow-up: Week 4 to Week 72
No information available
2
Treatment / Follow-up: Week 4 to Week 72
Lack of Efficacy
20
Treatment / Follow-up: Week 4 to Week 72
No boceprevir during Treatment Period
4

Baseline Characteristics

A Study to Evaluate the Efficacy and Safety of Boceprevir Added to Standard of Care Therapy in Previously Treated Participants With Chronic Hepatitis C Genotype 1 and Cirrhosis (MK-3034-105)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Overall Participants
n=58 Participants
Participants received PegIFN-2b (once weekly, 1.5 µg/kg subcutaneously) + RBV (capsules, orally, weight-based dose from 800-1400 mg/day divided into two daily doses) for 4 weeks during the Lead-in Period and then 44 additional weeks of treatment in the Treatment Period receiving PegIFN-2b (once weekly, 1.5 µg/kg subcutaneously) + RBV (capsules, orally, weight-based dose from 800-1400 mg/day divided into two daily doses) + boceprevir (capsules, orally, 800 mg three times per day). After completion of treatment, follow-up continued for an additional 24 weeks.
Age, Continuous
59.3 Years
STANDARD_DEVIATION 9.2 • n=5 Participants
Sex: Female, Male
Female
19 Participants
n=5 Participants
Sex: Female, Male
Male
39 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Week 72 (24 weeks after end of treatment)

Population: The Intent to Treat population included all participants who received at least 1 administration of boceprevir during the Treatment Period.

Hepatitis C Virus (HCV) ribonucleic acid (RNA) was measured using a polymerase chain reaction assay. SVR24 was defined as HCV RNA less than the Limit of Quantification (\<25 International Units (IU)/mL) 24 weeks after the end of the Treatment Period.

Outcome measures

Outcome measures
Measure
Overall Participants
n=54 Participants
Participants received PegIFN-2b (once weekly, 1.5 µg/kg subcutaneously) + RBV (capsules, orally, weight-based dose from 800-1400 mg/day divided into two daily doses) for 4 weeks during the Lead-in Period and then 44 additional weeks of treatment in the Treatment Period receiving PegIFN-2b (once weekly, 1.5 µg/kg subcutaneously) + RBV (capsules, orally, weight-based dose from 800-1400 mg/day divided into two daily doses) + boceprevir (capsules, orally, 800 mg three times per day). After completion of treatment, follow-up continued for an additional 24 weeks.
Percentage of Participants Who Achieve Sustained Virological Response at Follow-up Week 24 (SVR24)
35.2 Percentage of participants
Interval 22.7 to 49.4

PRIMARY outcome

Timeframe: Up to 48 weeks (Lead-in and Treatment Periods)

Population: Safety Analysis Set 2 included all participants who received boceprevir during the Treatment Period

Adverse events were monitored during the Lead-in and Treatment Periods

Outcome measures

Outcome measures
Measure
Overall Participants
n=54 Participants
Participants received PegIFN-2b (once weekly, 1.5 µg/kg subcutaneously) + RBV (capsules, orally, weight-based dose from 800-1400 mg/day divided into two daily doses) for 4 weeks during the Lead-in Period and then 44 additional weeks of treatment in the Treatment Period receiving PegIFN-2b (once weekly, 1.5 µg/kg subcutaneously) + RBV (capsules, orally, weight-based dose from 800-1400 mg/day divided into two daily doses) + boceprevir (capsules, orally, 800 mg three times per day). After completion of treatment, follow-up continued for an additional 24 weeks.
Percentage of Participants With One or More Adverse Events
98.1 Percentage of participants

PRIMARY outcome

Timeframe: Up to 48 weeks (Lead-in and Treatment Periods)

Population: Safety Analysis Set 2 included all participants who received boceprevir during the Treatment Period

Adverse events were monitored during the Lead-in and Treatment Periods

Outcome measures

Outcome measures
Measure
Overall Participants
n=54 Participants
Participants received PegIFN-2b (once weekly, 1.5 µg/kg subcutaneously) + RBV (capsules, orally, weight-based dose from 800-1400 mg/day divided into two daily doses) for 4 weeks during the Lead-in Period and then 44 additional weeks of treatment in the Treatment Period receiving PegIFN-2b (once weekly, 1.5 µg/kg subcutaneously) + RBV (capsules, orally, weight-based dose from 800-1400 mg/day divided into two daily doses) + boceprevir (capsules, orally, 800 mg three times per day). After completion of treatment, follow-up continued for an additional 24 weeks.
Percentage of Participants With an Adverse Event Leading to Discontinuation of Study Medication
9.3 Percentage of participants

Adverse Events

Overall Participants: Lead-in, Treatment and Follow-up

Serious events: 10 serious events
Other events: 56 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Overall Participants: Lead-in, Treatment and Follow-up
n=58 participants at risk
Participants received PegIFN-2b (once weekly, 1.5 µg/kg subcutaneously) + RBV (capsules, orally, weight-based dose from 800-1400 mg/day divided into two daily doses) for 4 weeks during the Lead-in Period and then 44 additional weeks of treatment in the Treatment Period receiving PegIFN-2b (once weekly, 1.5 µg/kg subcutaneously) + RBV (capsules, orally, weight-based dose from 800-1400 mg/day divided into two daily doses) + boceprevir (capsules, orally, 800 mg three times per day). After completion of treatment, follow-up continued for an additional 24 weeks.
Blood and lymphatic system disorders
Anaemia
6.9%
4/58 • Number of events 5 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Gastrointestinal disorders
Nausea
1.7%
1/58 • Number of events 1 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Gastrointestinal disorders
Vomiting
3.4%
2/58 • Number of events 2 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
General disorders
Asthenia
1.7%
1/58 • Number of events 1 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
General disorders
Chest pain
1.7%
1/58 • Number of events 1 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
General disorders
Hyperpyrexia
1.7%
1/58 • Number of events 1 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
General disorders
Pyrexia
3.4%
2/58 • Number of events 2 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Infections and infestations
Parathyroid fever
1.7%
1/58 • Number of events 1 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Infections and infestations
Pneumonia
3.4%
2/58 • Number of events 2 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Musculoskeletal and connective tissue disorders
Intervertebral disc protrusion
1.7%
1/58 • Number of events 1 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Hepatocellular carcinoma
5.2%
3/58 • Number of events 3 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Nervous system disorders
Encephalopathy
1.7%
1/58 • Number of events 1 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Nervous system disorders
Headache
1.7%
1/58 • Number of events 1 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Psychiatric disorders
Confusional state
1.7%
1/58 • Number of events 1 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Renal and urinary disorders
Renal impairment
1.7%
1/58 • Number of events 1 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Respiratory, thoracic and mediastinal disorders
Dyspnoea
1.7%
1/58 • Number of events 1 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Vascular disorders
Hypotension
1.7%
1/58 • Number of events 1 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Vascular disorders
Peripheral artery stenosis
1.7%
1/58 • Number of events 1 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period

Other adverse events

Other adverse events
Measure
Overall Participants: Lead-in, Treatment and Follow-up
n=58 participants at risk
Participants received PegIFN-2b (once weekly, 1.5 µg/kg subcutaneously) + RBV (capsules, orally, weight-based dose from 800-1400 mg/day divided into two daily doses) for 4 weeks during the Lead-in Period and then 44 additional weeks of treatment in the Treatment Period receiving PegIFN-2b (once weekly, 1.5 µg/kg subcutaneously) + RBV (capsules, orally, weight-based dose from 800-1400 mg/day divided into two daily doses) + boceprevir (capsules, orally, 800 mg three times per day). After completion of treatment, follow-up continued for an additional 24 weeks.
Respiratory, thoracic and mediastinal disorders
Cough
25.9%
15/58 • Number of events 15 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Respiratory, thoracic and mediastinal disorders
Dyspnoea
12.1%
7/58 • Number of events 7 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Blood and lymphatic system disorders
Anaemia
75.9%
44/58 • Number of events 82 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Gastrointestinal disorders
Nausea
20.7%
12/58 • Number of events 13 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
General disorders
Adverse drug reaction
19.0%
11/58 • Number of events 11 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
General disorders
Asthenia
60.3%
35/58 • Number of events 42 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
General disorders
Influenza like illness
8.6%
5/58 • Number of events 12 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
General disorders
Pyrexia
25.9%
15/58 • Number of events 35 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Injury, poisoning and procedural complications
Accidental overdose
8.6%
5/58 • Number of events 5 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Nervous system disorders
Headache
10.3%
6/58 • Number of events 8 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Blood and lymphatic system disorders
Leukopenia
8.6%
5/58 • Number of events 5 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Blood and lymphatic system disorders
Neutropenia
27.6%
16/58 • Number of events 22 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Blood and lymphatic system disorders
Thrombocytopenia
12.1%
7/58 • Number of events 8 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Gastrointestinal disorders
Vomiting
10.3%
6/58 • Number of events 10 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Metabolism and nutrition disorders
Decreased appetite
20.7%
12/58 • Number of events 13 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Musculoskeletal and connective tissue disorders
Arthralgia
8.6%
5/58 • Number of events 6 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Musculoskeletal and connective tissue disorders
Myalgia
8.6%
5/58 • Number of events 5 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Nervous system disorders
Dysgeusia
24.1%
14/58 • Number of events 15 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Nervous system disorders
Syncope
5.2%
3/58 • Number of events 3 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Psychiatric disorders
Insomnia
12.1%
7/58 • Number of events 7 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Psychiatric disorders
Irritability
5.2%
3/58 • Number of events 3 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Renal and urinary disorders
Nocturia
6.9%
4/58 • Number of events 4 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Skin and subcutaneous tissue disorders
Alopecia
6.9%
4/58 • Number of events 4 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Skin and subcutaneous tissue disorders
Dry skin
8.6%
5/58 • Number of events 6 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Skin and subcutaneous tissue disorders
Pruritus generalized
5.2%
3/58 • Number of events 3 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Skin and subcutaneous tissue disorders
Rash
5.2%
3/58 • Number of events 3 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Vascular disorders
Hypotension
5.2%
3/58 • Number of events 3 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Endocrine disorders
Hypothyroidism
5.2%
3/58 • Number of events 3 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Gastrointestinal disorders
Abdominal distension
5.2%
3/58 • Number of events 4 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Gastrointestinal disorders
Constipation
5.2%
3/58 • Number of events 3 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Gastrointestinal disorders
Diarrhoea
12.1%
7/58 • Number of events 7 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Gastrointestinal disorders
Dry mouth
8.6%
5/58 • Number of events 5 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Gastrointestinal disorders
Dyspepsia
12.1%
7/58 • Number of events 9 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Renal and urinary disorders
Pollakiuria
5.2%
3/58 • Number of events 3 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
Eye disorders
Lacrimation increased
5.2%
3/58 • Number of events 3 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period
General disorders
Fatigue
5.2%
3/58 • Number of events 3 • Up to 72 weeks (including Lead-in, Treatment, and Follow-up Periods)
Safety Analysis Set 1 included all participants who received PegIFN-2b + RBV during the Lead-in Period

Additional Information

Senior Vice President, Global Clinical Development

Merck Sharp & Dohme Corp.

Phone: 1-800-672-6372

Results disclosure agreements

  • Principal investigator is a sponsor employee The investigator agrees to provide to the sponsor 45 days prior to submission for publication or presentation, review copies of abstracts or manuscripts for publication that report any results of the trial. The sponsor shall have the right to review and comment with respect to publications, abstracts, slides, and manuscripts and the right to review and comment on the data analysis and presentation.
  • Publication restrictions are in place

Restriction type: OTHER