Chronic Hepatitis C Infection Clinical Trial
— PEARL-IVOfficial title:
A Randomized, Double-Blind, Controlled Study to Evaluate the Efficacy and Safety of the Combination of ABT-450/Ritonavir/ABT-267 (ABT-450/r/ABT-267) and ABT-333 With and Without Ribavirin (RBV) in Treatment-Naïve Adults With Genotype 1a Chronic Hepatitis C Virus (HCV) Infection (PEARL-IV)
Verified date | July 2021 |
Source | AbbVie |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
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 1a (HCV GT1a) infection without cirrhosis.
Status | Completed |
Enrollment | 305 |
Est. completion date | September 2014 |
Est. primary completion date | December 2013 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 70 Years |
Eligibility | 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 1a-infection (HCV RNA level greater than or equal to 10,000 IU/mL at screening) - Subject has never received antiviral treatment for hepatitis C infection - No evidence of liver cirrhosis 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 - Significant sensitivity to any drug - Use of contraindicated medications within 2 weeks of dosing - Abnormal laboratory tests |
Country | Name | City | State |
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n/a |
Lead Sponsor | Collaborator |
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AbbVie |
Ferenci P, Bernstein D, Lalezari J, Cohen D, Luo Y, Cooper C, Tam E, Marinho RT, Tsai N, Nyberg A, Box TD, Younes Z, Enayati P, Green S, Baruch Y, Bhandari BR, Caruntu FA, Sepe T, Chulanov V, Janczewska E, Rizzardini G, Gervain J, Planas R, Moreno C, Hassanein T, Xie W, King M, Podsadecki T, Reddy KR; PEARL-III Study; PEARL-IV Study. ABT-450/r-ombitasvir and dasabuvir with or without ribavirin for HCV. N Engl J Med. 2014 May 22;370(21):1983-92. doi: 10.1056/NEJMoa1402338. Epub 2014 May 4. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Percentage of Participants With Sustained Virologic Response 12 Weeks After Treatment; Primary Analyses | 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, plus either placebo RBV or RBV) compared with the historical control rate for noncirrhotic, treatment-naïve participants with HCV GT1a infection treated with telaprevir and peginterferon(pegIFN)/RBV. |
12 weeks after last dose of study drug | |
Secondary | Percentage of Participants With Hemoglobin Decrease to Below the Lower Limit of Normal (LLN) At 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) | |
Secondary | Percentage of Participants With Sustained Virologic Response 12 Weeks After Treatment; Secondary Analyses | The percentage of participants with sustained virologic response (plasma HCV RNA 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, plus either placebo RBV or RBV) compared with the historical control rate for noncirrhotic, treatment-naïve participants with HCV GT1a infection 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, plus placebo RBV compared with those who received ABT-450/r/ABT-267 and ABT-333, plus RBV. |
12 weeks after last dose of study drug | |
Secondary | Percentage of Participants With Virologic Failure During Treatment | 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 | |
Secondary | Percentage of Participants With Virologic Relapse After Treatment | Participants who completed treatment with plasma HCV RNA less than the lower limit of quantification (Between End of Treatment (Week 12) and Post-treatment (up to Week 12 Post-Treatment) |
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