A Study to Evaluate the Safety and Effect of the Experimental Drugs ABT-450/Ritonavir/ABT-267 (ABT-450/r/ABT-267) and ABT-333 in Subjects With Chronic Hepatitis C (PEARL-II)

July 8, 2021 updated by: AbbVie (prior sponsor, Abbott)

A Randomized, Open-Label, Multicenter Study to Evaluate the Safety and Antiviral Activity of the Combination of ABT-450/Ritonavir/ABT-267 (ABT 450/r/ABT-267) and ABT-333 With and Without Ribavirin in Treatment-Experienced Subjects With Genotype 1b Chronic Hepatitis C Virus (HCV) Infection (PEARL-II)

The purpose of this study is to evaluate the safety and antiviral activity of ABT-450/ritonavir/ABT-267 (ABT-450/r/ABT-267; ABT-450 also known as paritaprevir; ABT-267 also known as ombitasvir) and ABT-333 (also known as dasabuvir) with and without ribavirin (RBV) in patients with chronic hepatitis C virus genotype 1b (HCV GT1b) infection without cirrhosis.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

A randomized, open-label, multicenter study to evaluate the safety and antiviral activity of the combination of ABT-450/ritonavir/ABT-267 (ABT-450/r/ABT-267) and ABT-333 with and without ribavirin (RBV) in treatment-experienced, noncirrhotic participants with chronic hepatitis C virus genotype 1b (HCV GT1b) infection.

Study Type

Interventional

Enrollment (Actual)

187

Phase

  • Phase 3

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 70 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Females must be practicing specific forms of birth control on study treatment, or be post-menopausal for more than 2 years or surgically sterile
  • Chronic hepatitis C, genotype 1b-infection (HCV RNA level greater than or equal to 10,000 IU/mL at screening)
  • Subject's hepatitis C virus genotype is subgenotype 1b at Screening without co infection with any other genotype/subgenotype.

Exclusion Criteria:

  • Significant liver disease with any cause other than HCV as the primary cause
  • Positive hepatitis B surface antigen or anti-human immunodeficiency virus antibody
  • Positive screen for drugs or alcohol
  • Use of contraindicated medications within 2 weeks of dosing

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: ABT-450/r/ABT-267 and ABT-333, Plus RBV
ABT-450/r/ABT-267 (150 mg/ 100 mg/ 25 mg once daily) and ABT-333 (250 mg twice daily), plus weight-based RBV (dosed 1,000 or 1,200 mg daily divided twice a day) for 12 weeks
Drug: Ribavirin
Tablet
Drug: ABT-450/r/ABT-267, ABT-333
Tablet; ABT-450 coformulated with ritonavir and ABT-267, ABT-333 tablet
Other Names:
  • ABT-267 also known as ombitasvir
  • ABT-450 also known as paritaprevir
  • ABT-333 also known as dasabuvir
  • Viekira PAK
Experimental: ABT-450/r/ABT-267 and ABT-333
ABT-450/r/ABT-267 (150 mg/ 100 mg/ 25 mg once daily) and ABT-333 (250 mg twice daily) for 12 weeks
Drug: ABT-450/r/ABT-267, ABT-333
Tablet; ABT-450 coformulated with ritonavir and ABT-267, ABT-333 tablet
Other Names:
  • ABT-267 also known as ombitasvir
  • ABT-450 also known as paritaprevir
  • ABT-333 also known as dasabuvir
  • Viekira PAK

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Percentage of Participants With Sustained Virologic Response 12 Weeks After Treatment; Primary Analyses
Time Frame: 12 weeks after last dose of study drug

The percentage of participants with sustained virologic response (plasma Hepatitis C virus ribonucleic acid [HCV RNA] level less than the lower limit of quantitation [< LLOQ]) 12 weeks after the last dose of study drug. The LLOQ for the assay was 25 IU/mL.

The primary efficacy endpoints were noninferiority of the percentage of participants who achieved sustained virologic response 12 weeks after treatment in each treatment arm (ABT-450/r/ABT-267 and ABT-333 with and without RBV) compared with the historical control rate for noncirrhotic, treatment-experienced participants with HCV GT1b infection treated with telaprevir and peginterferon (pegIFN)/RBV.
12 weeks after last dose of study drug

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Percentage of Participants With Hemoglobin Decrease to Below the Lower Limit of Normal (LLN) At End of Treatment
Time Frame: Baseline (Day 1) and Week 12 (End of Treatment)
The percentage of participants with a decrease in hemoglobin from greater than or equal to the lower limit of normal (≥ LLN) at baseline to < LLN at the end of treatment.
Baseline (Day 1) and Week 12 (End of Treatment)
Percentage of Participants With Sustained Virologic Response 12 Weeks After Treatment; Secondary Analyses
Time Frame: 12 weeks after last dose of study drug

The percentage of participants with sustained virologic response (plasma Hepatitis C virus ribonucleic acid [HCV RNA] level less than the lower limit of quantitation [< LLOQ]) 12 weeks after the last dose of study drug.

The secondary efficacy endpoints were superiority of the percentage of participants who achieved sustained virologic response 12 weeks after treatment in each treatment arm (ABT-450/r/ABT-267 and ABT-333 with and without RBV) compared with the historical control rate for noncirrhotic, treatment-experienced participants with HCV GT1b treated with telaprevir and pegIFN/RBV; and the noninferiority of the percentage of participants who achieved sustained virologic response 12 weeks after treatment who received ABT-450/r/ABT-267 and ABT-333 compared with those who received ABT-450/r/ABT-267 and ABT-333, plus RBV.
12 weeks after last dose of study drug
Percentage of Participants With Virologic Failure During Treatment
Time Frame: Baseline (Day 1), and Treatment Weeks 1, 2, 4, 6, 8, 10, and 12
Virologic failure during treatment was defined as rebound (confirmed HCV RNA greater than or equal to the lower limit of quantitation [≥ LLOQ] after HCV RNA < LLOQ during treatment, or confirmed increase from the lowest value post baseline in HCV RNA [2 consecutive HCV RNA measurements > 1 log10 IU/mL above the lowest value post baseline] at any time point during treatment), or failure to suppress (HCV RNA ≥ LLOQ persistently during treatment with at least 6 weeks [≥ 36 days] of treatment).
Baseline (Day 1), and Treatment Weeks 1, 2, 4, 6, 8, 10, and 12
Percentage of Participants With Virologic Relapse After Treatment
Time Frame: Between End of Treatment (Week 12) and Post-treatment (up to Week 12 Post-Treatment)
Participants who completed treatment with plasma HCV RNA less than the lower limit of quantification (<LLOQ) at the end of treatment were considered to have virologic relapse if they had confirmed HCV RNA ≥ LLOQ during the post-treatment period. 95% CI was calculated using the Wilson score method for the single proportion because the point estimate was 0%.
Between End of Treatment (Week 12) and Post-treatment (up to Week 12 Post-Treatment)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

AbbVie (prior sponsor, Abbott)

Investigators

  • Study Director: Jeffrey Enejosa, MD, AbbVie

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Helpful Links

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

August 1, 2012

Primary Completion (Actual)

January 1, 2014

Study Completion (Actual)

October 1, 2014

Study Registration Dates

First Submitted

July 27, 2012

First Submitted That Met QC Criteria

August 27, 2012

First Posted (Estimate)

August 29, 2012

Study Record Updates

Last Update Posted (Actual)

July 12, 2021

Last Update Submitted That Met QC Criteria

July 8, 2021

Last Verified

July 1, 2021

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • M13-389
  • 2011-005740-95 (EudraCT Number)

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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