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Safety and Efficacy of Daclatasvir (BMS-790052) Plus Standard of Care (Pegylated-interferon Alpha-2b and Ribavirin) in Japanese Patients

A Phase 2a Study of BMS-790052 in Combination With Peginterferon Alfa-2b (PegIntron®) and Ribavirin (Rebetol®) in Japanese Subjects With Genotype 1 Chronic Hepatitis C Virus (HCV) Infection

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01016912
Enrollment
51
Registered
2009-11-20
Start date
2009-12-31
Completion date
2010-09-30
Last updated
2015-10-12

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

Conditions

Hepatitis C Infection

Brief summary

The purpose of this study is to identify at least 1 dose of daclatasvir that is safe, well tolerated, and efficacious when combined with peginterferon-alfa and ribavirin for the treatment of hepatitis C virus genotype 1 in chronically infected patients who are treatment-naïve and nonresponsive to the standard of care

Interventions

Tablets, Oral, 10 mg, daily, 24-48 weeks

DRUGPlacebo

Tablets, Oral, 0 mg, daily, 48 weeks

DRUGPeginterferon alfa-2b

Syringe, Subcutaneous, 180µg, weekly, 24-48 weeks

DRUGRibavirin

Capsules, Oral, 600 to 1000 mg based on weight, daily, 24-48 weeks

Sponsors

Bristol-Myers Squibb
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
20 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

Key Inclusion Criteria: * Patients chronically infected with hepatitis C virus (HCV) genotype 1 * HCV RNA viral load ≥10\*5\* IU/mL at screening * Naïve or nonresponsive to the current standard of care Key

Exclusion criteria

* Cirrhosis * Hepatocellular carcinoma * Coinfection with hepatitis B virus, HIV-1 or HIV-2

Design outcomes

Primary

MeasureTime frameDescription
Percentage of Participants With Extended Rapid Virologic Response (eRVR)At Weeks 4 and 12 on treatmenteRVR was defined as undetectable hepatitis C virus (HCV) RNA (ie, HCV RNA \<15 IU/mL, the lower limit of detection, target not detected) at both Weeks 4 and 12. HCV RNA levels were measured by Tobas TaqMan HCV Auto from the central laboratory.

Secondary

MeasureTime frameDescription
Percentage of Participants With a Sustained Virologic Response (SVR) at Weeks 4, 12, and 24Follow-up Weeks 4, 12, and 24SVR at follow-up Week 4 (SVR4), follow-up Week 12 (SVR12), and follow-up Week 24 (SVR24) is defined as undetectable hepatitis C virus (HCV) RNA (ie, HCV RNA \<15 IU/mL, the lower limit of detection, target not detected) at each of these timepoints. HCV RNA levels were measured by Cobas TaqMan HCV Auto from the central laboratory .
Percentage of Participants With Rapid Virologic Response (RVR)At Week 4 on treatmentRVR was defined as undetectable hepatitis C virus (HCV) RNA (ie, HCV RNA \<15 IU/mL, the lower limit of detection, target not detected) at Week 4. HCV RNA levels were measured by CobasTaqMan HCV Auto from the central laboratory .
Percentage of Participants With Complete Early Virologic Response (cEVR)At Week 12 on treatmentcEVR was defined as undetectable hepatitis C virus (HCV) RNA (ie, HCV RNA \<15 IU/mL, the lower limit of detection, target not detected) at Week 12 on treatment. HCV RNA levels were measured by Cobas TaqMan HCV Auto from the central laboratory
Percentage of Participants With Virologic FailureFrom on-treatment Week 1 to Follow-up Week 24Virologic failure is defined by the following 6 categories: 1.Virologic breakthrough, defined as confirmed \>1 log10 increase in hepatitis C virus (HCV) RNA over nadir or confirmed HCV RNA ≥limit of quantitation (LOQ) after confirmed undetectable HCV RNA while on treatment. 2. \<1 log10 decrease in HCV RNA from baseline at Week 4 of treatment. 3. Failure to achieve early virologic response, defined as \<2 log10 decrease in HCV RNA from baseline at Week 12 of treatment. 4. Detectable HCV RNA at Week 12, and HCV RNA ≥LOQ at Week 24 of treatment. 5. Detectable HCV RNA at end of treatment (including early discontinuation). 6 Relapse, defined as detectable HCV RNA during follow-up after undetectable HCV RNA levels at end of treatment.

Other

MeasureTime frameDescription
Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeFrom baseline to 30 days after last dose of study drugAE was defined as any new unfavorable symptom, sign, or disease or worsening of a preexisting condition that does not has a causal relationship with treatment. SAE was defined as a medical event that at any dose resulted in death, persistent or significant disability/incapacity, or drug dependency/abuse; was life-threatening, an important medical event, or a congenital anomaly/birth defect; or required or prolonged hospitalization. Treatment-related AE was defined as an AE that had certain, probable, possible, or unknown relationship to study drug.
Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsFrom baseline to 30 days after last dose of study drugClinically significant marked abnormalities in laboratory test results graded by the Division of AIDS grading table, 2004. Hemoglobin: Grade 3= \<7.0 to 8.9 g/dL, Grade 4= \<7.0 g/dL. Lymphocytes: Grade 3= 350-499 cells/mm\^3, Grade 4= \<350 cells/mm\^3. Neutrophils: Grade 3= 500-999 cells/mm\^3, Grade 4= \<500 cells/mm\^3. White blood cells (WBC): Grade 3= 1000-1499 cells/mm\^3, Grade 4= \<1000 cells/mm\^3. Alanine aminotransferase (ALT): Grade 3= 5.1-10\*upper limit of normal (ULN), Grade 4= \>10.0\*ULN. Aspartate aminotransferase (AST): Grade 3= 5.1-10\*ULN, Grade 4= \>10.0\*ULN. Total bilirubin: Grade 3= 2.6-5\*ULN, Grade 4= \>5.0\*ULN.

Countries

Japan

Participant flow

Recruitment details

The study was conducted at 6 sites in Japan.

Pre-assignment details

A total of 51 participants were enrolled, of which 45 were randomized to receive treatment and 6 were discontinued for no longer meeting study criteria.

Participants by arm

ArmCount
Placebo + pegIFNα + Ribavirin (Treatment-naive)
Participants received a matching placebo of daclatasvir tablet, once daily coadministered with ribavirin, twice daily, and peginterferon alpha-2b (pegIFNα) injection, once weekly. Treatment-naive participants were those who had never been exposed to any hepatitis C virus (HCV) therapy with interferon IFNα-containing regimens, including pegIFNα/ribavirin.
8
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)
Participants received 10 mg of daclatasvir, once daily, coadministered with ribavirin, twice daily, and pegIFNα injection, once weekly. Treatment-naive participants were those who had never been exposed to any HCV therapy with interferon IFNα-containing regimens, including pegIFNα/ribavirin.
9
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)
Participants received 60 mg of daclatasvir, once daily, coadministered with ribavirin, twice daily, and pegIFNα injection, once weekly. Treatment-naive participants were those who had never been exposed to any HCV therapy with interferon IFNα-containing regimens, including pegIFNα/ribavirin.
10
Daclatasvir 10- mg + pegIFNα + Ribavirin (Nonresponders)
Participants received 10 mg of daclatasvir, once daily, coadministered with ribavirin, twice daily, and pegIFNα injection once weekly. Nonresponders were participants who had never attained undetectable HCV RNA levels, after at least 12 weeks of the current standard of care, pegIFNα/ribavirin.
9
Daclatasvir 60- mg + pegIFNα + Ribavirin (Nonresponders)
Participants received 60 mg of daclatasvir, once daily, coadministered with ribavirin, twice daily, and pegIFNα injection once weekly. Nonresponders were participants who had never attained undetectable HCV RNA levels, after at least 12 weeks of the current standard of care pegIFNα/ribavirin.
9
Total45

Withdrawals & dropouts

PeriodReasonFG000FG001FG002FG003FG004
End of Treatment PeriodAdverse Event01100
End of Treatment PeriodCompleted double-blind period only01000
End of Treatment PeriodLack of Efficacy01044
Follow-up PeriodOther reason00110

Baseline characteristics

CharacteristicPlacebo + pegIFNα + Ribavirin (Treatment-naive)Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Daclatasvir 10- mg + pegIFNα + Ribavirin (Nonresponders)Daclatasvir 60- mg + pegIFNα + Ribavirin (Nonresponders)Total
Age, Continuous52.6 years
STANDARD_DEVIATION 8.78
49.1 years
STANDARD_DEVIATION 15.09
53.2 years
STANDARD_DEVIATION 9.96
57.4 years
STANDARD_DEVIATION 6.11
58.8 years
STANDARD_DEVIATION 9.46
54.2 years
STANDARD_DEVIATION 10.46
Sex: Female, Male
Female
4 Participants7 Participants4 Participants6 Participants6 Participants27 Participants
Sex: Female, Male
Male
4 Participants2 Participants6 Participants3 Participants3 Participants18 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
EG004
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —— / —— / —
other
Total, other adverse events
8 / 89 / 910 / 109 / 99 / 9
serious
Total, serious adverse events
0 / 80 / 90 / 101 / 90 / 9

Outcome results

Primary

Percentage of Participants With Extended Rapid Virologic Response (eRVR)

eRVR was defined as undetectable hepatitis C virus (HCV) RNA (ie, HCV RNA \<15 IU/mL, the lower limit of detection, target not detected) at both Weeks 4 and 12. HCV RNA levels were measured by Tobas TaqMan HCV Auto from the central laboratory.

Time frame: At Weeks 4 and 12 on treatment

Population: All participants who received at least 1 dose of study therapy.

ArmMeasureValue (NUMBER)
Placebo + pegIFNα + Ribavirin (Treatment-naive)Percentage of Participants With Extended Rapid Virologic Response (eRVR)0 percentage of participants
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Percentage of Participants With Extended Rapid Virologic Response (eRVR)66.7 percentage of participants
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Percentage of Participants With Extended Rapid Virologic Response (eRVR)80.0 percentage of participants
Daclatasvir 10- mg+ pegIFNα + Ribavirin (Nonresponders)Percentage of Participants With Extended Rapid Virologic Response (eRVR)55.6 percentage of participants
Daclatasvir 60- mg + pegIFNα- + Ribavirin (Nonresponders)Percentage of Participants With Extended Rapid Virologic Response (eRVR)22.2 percentage of participants
Secondary

Percentage of Participants With a Sustained Virologic Response (SVR) at Weeks 4, 12, and 24

SVR at follow-up Week 4 (SVR4), follow-up Week 12 (SVR12), and follow-up Week 24 (SVR24) is defined as undetectable hepatitis C virus (HCV) RNA (ie, HCV RNA \<15 IU/mL, the lower limit of detection, target not detected) at each of these timepoints. HCV RNA levels were measured by Cobas TaqMan HCV Auto from the central laboratory .

Time frame: Follow-up Weeks 4, 12, and 24

Population: All participants who received at least 1 dose of study therapy.

ArmMeasureGroupValue (NUMBER)
Placebo + pegIFNα + Ribavirin (Treatment-naive)Percentage of Participants With a Sustained Virologic Response (SVR) at Weeks 4, 12, and 24SVR12: Follow-up Week 1262.5 percentage of participants
Placebo + pegIFNα + Ribavirin (Treatment-naive)Percentage of Participants With a Sustained Virologic Response (SVR) at Weeks 4, 12, and 24SVR4: Follow-up Week 475.0 percentage of participants
Placebo + pegIFNα + Ribavirin (Treatment-naive)Percentage of Participants With a Sustained Virologic Response (SVR) at Weeks 4, 12, and 24SVR24: Follow-up Week 2462.5 percentage of participants
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Percentage of Participants With a Sustained Virologic Response (SVR) at Weeks 4, 12, and 24SVR24: Follow-up Week 2466.7 percentage of participants
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Percentage of Participants With a Sustained Virologic Response (SVR) at Weeks 4, 12, and 24SVR4: Follow-up Week 466.7 percentage of participants
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Percentage of Participants With a Sustained Virologic Response (SVR) at Weeks 4, 12, and 24SVR12: Follow-up Week 1266.7 percentage of participants
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Percentage of Participants With a Sustained Virologic Response (SVR) at Weeks 4, 12, and 24SVR4: Follow-up Week 490.0 percentage of participants
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Percentage of Participants With a Sustained Virologic Response (SVR) at Weeks 4, 12, and 24SVR24: Follow-up Week 2490.0 percentage of participants
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Percentage of Participants With a Sustained Virologic Response (SVR) at Weeks 4, 12, and 24SVR12: Follow-up Week 1290.0 percentage of participants
Daclatasvir 10- mg+ pegIFNα + Ribavirin (Nonresponders)Percentage of Participants With a Sustained Virologic Response (SVR) at Weeks 4, 12, and 24SVR12: Follow-up Week 1222.2 percentage of participants
Daclatasvir 10- mg+ pegIFNα + Ribavirin (Nonresponders)Percentage of Participants With a Sustained Virologic Response (SVR) at Weeks 4, 12, and 24SVR24: Follow-up Week 2422.2 percentage of participants
Daclatasvir 10- mg+ pegIFNα + Ribavirin (Nonresponders)Percentage of Participants With a Sustained Virologic Response (SVR) at Weeks 4, 12, and 24SVR4: Follow-up Week 422.2 percentage of participants
Daclatasvir 60- mg + pegIFNα- + Ribavirin (Nonresponders)Percentage of Participants With a Sustained Virologic Response (SVR) at Weeks 4, 12, and 24SVR24: Follow-up Week 2433.3 percentage of participants
Daclatasvir 60- mg + pegIFNα- + Ribavirin (Nonresponders)Percentage of Participants With a Sustained Virologic Response (SVR) at Weeks 4, 12, and 24SVR4: Follow-up Week 433.3 percentage of participants
Daclatasvir 60- mg + pegIFNα- + Ribavirin (Nonresponders)Percentage of Participants With a Sustained Virologic Response (SVR) at Weeks 4, 12, and 24SVR12: Follow-up Week 1233.3 percentage of participants
Secondary

Percentage of Participants With Complete Early Virologic Response (cEVR)

cEVR was defined as undetectable hepatitis C virus (HCV) RNA (ie, HCV RNA \<15 IU/mL, the lower limit of detection, target not detected) at Week 12 on treatment. HCV RNA levels were measured by Cobas TaqMan HCV Auto from the central laboratory

Time frame: At Week 12 on treatment

Population: All participants who received at least 1 dose of study therapy.

ArmMeasureValue (NUMBER)
Placebo + pegIFNα + Ribavirin (Treatment-naive)Percentage of Participants With Complete Early Virologic Response (cEVR)62.5 percentage of participants
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Percentage of Participants With Complete Early Virologic Response (cEVR)77.8 percentage of participants
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Percentage of Participants With Complete Early Virologic Response (cEVR)100.0 percentage of participants
Daclatasvir 10- mg+ pegIFNα + Ribavirin (Nonresponders)Percentage of Participants With Complete Early Virologic Response (cEVR)55.6 percentage of participants
Daclatasvir 60- mg + pegIFNα- + Ribavirin (Nonresponders)Percentage of Participants With Complete Early Virologic Response (cEVR)55.6 percentage of participants
Secondary

Percentage of Participants With Rapid Virologic Response (RVR)

RVR was defined as undetectable hepatitis C virus (HCV) RNA (ie, HCV RNA \<15 IU/mL, the lower limit of detection, target not detected) at Week 4. HCV RNA levels were measured by CobasTaqMan HCV Auto from the central laboratory .

Time frame: At Week 4 on treatment

Population: All participants who received at least 1 dose of study therapy.

ArmMeasureValue (NUMBER)
Placebo + pegIFNα + Ribavirin (Treatment-naive)Percentage of Participants With Rapid Virologic Response (RVR)0 percentage of participants
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Percentage of Participants With Rapid Virologic Response (RVR)77.8 percentage of participants
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Percentage of Participants With Rapid Virologic Response (RVR)80.0 percentage of participants
Daclatasvir 10- mg+ pegIFNα + Ribavirin (Nonresponders)Percentage of Participants With Rapid Virologic Response (RVR)55.6 percentage of participants
Daclatasvir 60- mg + pegIFNα- + Ribavirin (Nonresponders)Percentage of Participants With Rapid Virologic Response (RVR)33.3 percentage of participants
Secondary

Percentage of Participants With Virologic Failure

Virologic failure is defined by the following 6 categories: 1.Virologic breakthrough, defined as confirmed \>1 log10 increase in hepatitis C virus (HCV) RNA over nadir or confirmed HCV RNA ≥limit of quantitation (LOQ) after confirmed undetectable HCV RNA while on treatment. 2. \<1 log10 decrease in HCV RNA from baseline at Week 4 of treatment. 3. Failure to achieve early virologic response, defined as \<2 log10 decrease in HCV RNA from baseline at Week 12 of treatment. 4. Detectable HCV RNA at Week 12, and HCV RNA ≥LOQ at Week 24 of treatment. 5. Detectable HCV RNA at end of treatment (including early discontinuation). 6 Relapse, defined as detectable HCV RNA during follow-up after undetectable HCV RNA levels at end of treatment.

Time frame: From on-treatment Week 1 to Follow-up Week 24

Population: All participants who received at least 1 dose of study therapy.

ArmMeasureGroupValue (NUMBER)
Placebo + pegIFNα + Ribavirin (Treatment-naive)Percentage of Participants With Virologic FailureVirologic failure37.5 percentage of participants
Placebo + pegIFNα + Ribavirin (Treatment-naive)Percentage of Participants With Virologic FailureRelapse25.0 percentage of participants
Placebo + pegIFNα + Ribavirin (Treatment-naive)Percentage of Participants With Virologic FailureVirologic breakthrough12.5 percentage of participants
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Percentage of Participants With Virologic FailureVirologic breakthrough11.1 percentage of participants
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Percentage of Participants With Virologic FailureVirologic failure33.3 percentage of participants
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Percentage of Participants With Virologic FailureRelapse11.1 percentage of participants
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Percentage of Participants With Virologic FailureVirologic breakthrough0.0 percentage of participants
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Percentage of Participants With Virologic FailureVirologic failure10.0 percentage of participants
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Percentage of Participants With Virologic FailureRelapse10.0 percentage of participants
Daclatasvir 10- mg+ pegIFNα + Ribavirin (Nonresponders)Percentage of Participants With Virologic FailureVirologic failure77.8 percentage of participants
Daclatasvir 10- mg+ pegIFNα + Ribavirin (Nonresponders)Percentage of Participants With Virologic FailureRelapse33.3 percentage of participants
Daclatasvir 10- mg+ pegIFNα + Ribavirin (Nonresponders)Percentage of Participants With Virologic FailureVirologic breakthrough44.4 percentage of participants
Daclatasvir 60- mg + pegIFNα- + Ribavirin (Nonresponders)Percentage of Participants With Virologic FailureVirologic breakthrough44.4 percentage of participants
Daclatasvir 60- mg + pegIFNα- + Ribavirin (Nonresponders)Percentage of Participants With Virologic FailureVirologic failure66.7 percentage of participants
Daclatasvir 60- mg + pegIFNα- + Ribavirin (Nonresponders)Percentage of Participants With Virologic FailureRelapse22.2 percentage of participants
Other Pre-specified

Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test Results

Clinically significant marked abnormalities in laboratory test results graded by the Division of AIDS grading table, 2004. Hemoglobin: Grade 3= \<7.0 to 8.9 g/dL, Grade 4= \<7.0 g/dL. Lymphocytes: Grade 3= 350-499 cells/mm\^3, Grade 4= \<350 cells/mm\^3. Neutrophils: Grade 3= 500-999 cells/mm\^3, Grade 4= \<500 cells/mm\^3. White blood cells (WBC): Grade 3= 1000-1499 cells/mm\^3, Grade 4= \<1000 cells/mm\^3. Alanine aminotransferase (ALT): Grade 3= 5.1-10\*upper limit of normal (ULN), Grade 4= \>10.0\*ULN. Aspartate aminotransferase (AST): Grade 3= 5.1-10\*ULN, Grade 4= \>10.0\*ULN. Total bilirubin: Grade 3= 2.6-5\*ULN, Grade 4= \>5.0\*ULN.

Time frame: From baseline to 30 days after last dose of study drug

Population: All participants who received at least 1 dose of study therapy.

ArmMeasureGroupValue (NUMBER)
Placebo + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsHemoglobin1 participants
Placebo + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsTotal bilirubin0 participants
Placebo + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsAST0 participants
Placebo + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsNeutrophils2 participants
Placebo + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsLymphocytes2 participants
Placebo + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsWBC1 participants
Placebo + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsALT0 participants
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsALT1 participants
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsWBC1 participants
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsLymphocytes2 participants
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsHemoglobin0 participants
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsAST1 participants
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsNeutrophils4 participants
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsTotal bilirubin1 participants
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsWBC0 participants
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsHemoglobin1 participants
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsLymphocytes3 participants
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsNeutrophils2 participants
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsALT0 participants
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsAST0 participants
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsTotal bilirubin0 participants
Daclatasvir 10- mg+ pegIFNα + Ribavirin (Nonresponders)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsNeutrophils2 participants
Daclatasvir 10- mg+ pegIFNα + Ribavirin (Nonresponders)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsALT0 participants
Daclatasvir 10- mg+ pegIFNα + Ribavirin (Nonresponders)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsLymphocytes3 participants
Daclatasvir 10- mg+ pegIFNα + Ribavirin (Nonresponders)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsTotal bilirubin0 participants
Daclatasvir 10- mg+ pegIFNα + Ribavirin (Nonresponders)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsAST0 participants
Daclatasvir 10- mg+ pegIFNα + Ribavirin (Nonresponders)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsHemoglobin3 participants
Daclatasvir 10- mg+ pegIFNα + Ribavirin (Nonresponders)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsWBC2 participants
Daclatasvir 60- mg + pegIFNα- + Ribavirin (Nonresponders)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsNeutrophils0 participants
Daclatasvir 60- mg + pegIFNα- + Ribavirin (Nonresponders)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsTotal bilirubin0 participants
Daclatasvir 60- mg + pegIFNα- + Ribavirin (Nonresponders)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsAST1 participants
Daclatasvir 60- mg + pegIFNα- + Ribavirin (Nonresponders)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsALT1 participants
Daclatasvir 60- mg + pegIFNα- + Ribavirin (Nonresponders)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsLymphocytes2 participants
Daclatasvir 60- mg + pegIFNα- + Ribavirin (Nonresponders)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsHemoglobin0 participants
Daclatasvir 60- mg + pegIFNα- + Ribavirin (Nonresponders)Number of Participants With Grade 3 to 4 Abnormalities on Laboratory Test ResultsWBC0 participants
Other Pre-specified

Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as Outcome

AE was defined as any new unfavorable symptom, sign, or disease or worsening of a preexisting condition that does not has a causal relationship with treatment. SAE was defined as a medical event that at any dose resulted in death, persistent or significant disability/incapacity, or drug dependency/abuse; was life-threatening, an important medical event, or a congenital anomaly/birth defect; or required or prolonged hospitalization. Treatment-related AE was defined as an AE that had certain, probable, possible, or unknown relationship to study drug.

Time frame: From baseline to 30 days after last dose of study drug

Population: All participants who received at least 1 dose of study therapy.

ArmMeasureGroupValue (NUMBER)
Placebo + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeSAEs0 participants
Placebo + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeDiscontinuation due to AEs0 participants
Placebo + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeTreatment-related AEs8 participants
Placebo + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeDeath0 participants
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeSAEs0 participants
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeDeath0 participants
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeDiscontinuation due to AEs1 participants
Daclatasvir 10- mg + pegIFNα- + Ribavirin (Treatment-naive)Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeTreatment-related AEs9 participants
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeDeath0 participants
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeDiscontinuation due to AEs1 participants
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeTreatment-related AEs10 participants
Daclatasvir 60- mg + pegIFNα + Ribavirin (Treatment-naive)Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeSAEs0 participants
Daclatasvir 10- mg+ pegIFNα + Ribavirin (Nonresponders)Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeSAEs1 participants
Daclatasvir 10- mg+ pegIFNα + Ribavirin (Nonresponders)Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeDiscontinuation due to AEs0 participants
Daclatasvir 10- mg+ pegIFNα + Ribavirin (Nonresponders)Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeDeath0 participants
Daclatasvir 10- mg+ pegIFNα + Ribavirin (Nonresponders)Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeTreatment-related AEs9 participants
Daclatasvir 60- mg + pegIFNα- + Ribavirin (Nonresponders)Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeDeath0 participants
Daclatasvir 60- mg + pegIFNα- + Ribavirin (Nonresponders)Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeTreatment-related AEs9 participants
Daclatasvir 60- mg + pegIFNα- + Ribavirin (Nonresponders)Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeDiscontinuation due to AEs0 participants
Daclatasvir 60- mg + pegIFNα- + Ribavirin (Nonresponders)Number of Participants With Serious Adverse Events (SAEs), Discontinuations Due to Adverse Events (AEs), Treatment-related AEs, and Death as OutcomeSAEs0 participants

Source: ClinicalTrials.gov · Data processed: Mar 8, 2026