- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01314261
Study of ABT-267 in Treatment Naive Hepatitis C Virus (HCV) Genotype 1 Infected Subjects
June 1, 2018 updated by: AbbVie (prior sponsor, Abbott)
A Blinded, Randomized, Placebo-Controlled, Dose-Ranging Study to Evaluate the Safety, Pharmacokinetics, and Antiviral Activity of ABT-267 in Combination With Peginterferon Alpha-2a and Ribavirin (pegIFN/RBV) in Treatment-Naïve Subjects With Genotype 1 Chronic Hepatitis C Virus (HCV) Infection
The purpose of this study was to assess the safety, pharmacokinetics, and 4-week rapid virologic response (RVR) of 3 different doses of ABT-267 (also known as ombitasvir) in combination with pegylated interferon/ribavirin (pegIFN/RBV) compared with pegIFN/RBV alone (ABT-267 placebo) in treatment naïve, hepatitis C virus (HCV), genotype 1-infected participants.
Study Overview
Status
Completed
Intervention / Treatment
Detailed Description
The study was a randomized, double blind, placebo controlled study consisting of 2 substudies.
In substudy 1, participants received 1 of 3 doses of ABT-267 or placebo + pegIFN/RBV for 12 weeks.
In substudy 2, participants received pegIFN/RBV for 36 weeks.
Participants were followed for 48 weeks post ABT-267 treatment for evaluation of efficacy and safety.
Study Type
Interventional
Enrollment (Actual)
37
Phase
- Phase 2
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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San Juan, Puerto Rico, 00927
- Site Reference ID/Investigator# 48483
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Alabama
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Birmingham, Alabama, United States, 35215
- Site Reference ID/Investigator# 56623
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California
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Los Angeles, California, United States, 90048
- Site Reference ID/Investigator# 48476
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Florida
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Orlando, Florida, United States, 32809
- Site Reference ID/Investigator# 51345
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Hawaii
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Honolulu, Hawaii, United States, 96814
- Site Reference ID/Investigator# 51498
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Indiana
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Indianapolis, Indiana, United States, 46202
- Site Reference ID/Investigator# 48473
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Missouri
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Kansas City, Missouri, United States, 64131
- Site Reference ID/Investigator# 52782
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Texas
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Houston, Texas, United States, 77030
- Site Reference ID/Investigator# 48471
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San Antonio, Texas, United States, 78215
- Site Reference ID/Investigator# 48474
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Virginia
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Fairfax, Virginia, United States, 22031
- Site Reference ID/Investigator# 48477
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Washington
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Seattle, Washington, United States, 98101
- Site Reference ID/Investigator# 48472
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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 65 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Treatment naïve participants
- Females must be either postmenopausal for at least 2 years or surgically sterile
- Males must be surgically sterile or practicing specific forms of birth control
- Chronic hepatitis C virus (HCV), genotype-1 infected participants
- Documented FibroTest score in combination with an Aspartate Aminotransferase to Platelet Ratio Index (APRI), or a liver biopsy within the last 12 months to document absence of cirrhosis
Exclusion Criteria:
- Pregnant or breastfeeding female
- Use of any medications contraindicated for use with pegylated interferon(pegIFN) or ribavirin (RBV) 2 weeks prior to study drug administration or 10 half-lives, whichever is longer
- Clinically significant cardiac, respiratory (except mild asthma), renal, gastrointestinal, hematologic, neurologic disease, or any uncontrolled medical illness or psychiatric disease or disorder
- Current or past clinical evidence of cirrhosis or bridging fibrosis
- Abnormal screening laboratory results
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: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: ABT-267 (5 mg) once daily + pegIFN/RBV
Participants were given 5 mg ABT-267 once daily in combination with pegylated interferon/ribavirin (pegIFN/RBV) for 12 weeks, followed by 36 weeks of pegIFN/RBV treatment alone.
Pegylated interferon was dosed 180 µg subcutaneously once a week.
Ribavirin was dosed 1000 or 1200 mg daily divided twice a day.
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5 mg or 25 mg tablets
Other Names:
Syringe, 180 µg/0.5 mL for subcutaneous injections administered weekly
200 mg tablet dosed at 1000 or 1200 mg daily divided twice a day
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Experimental: ABT-267 (50 mg) once daily + pegIFN/RBV
Participants were given 50 mg ABT-267 once daily in combination with pegylated interferon/ribavirin (pegIFN/RBV) for 12 weeks, followed by 36 weeks of pegIFN/RBV treatment alone.
Pegylated interferon was dosed 180 µg subcutaneously once a week.
Ribavirin was dosed 1000 or 1200 mg daily divided twice a day.
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5 mg or 25 mg tablets
Other Names:
Syringe, 180 µg/0.5 mL for subcutaneous injections administered weekly
200 mg tablet dosed at 1000 or 1200 mg daily divided twice a day
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Experimental: ABT-267 (200 mg) once daily + pegIFN/RBV
Participants were given 200 mg ABT-267 once daily in combination with pegylated interferon/ribavirin (pegIFN/RBV) for 12 weeks, followed by 36 weeks of pegIFN/RBV treatment alone.
Pegylated interferon was dosed 180 µg subcutaneously once a week.
Ribavirin was dosed 1000 or 1200 mg daily divided twice a day.
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5 mg or 25 mg tablets
Other Names:
Syringe, 180 µg/0.5 mL for subcutaneous injections administered weekly
200 mg tablet dosed at 1000 or 1200 mg daily divided twice a day
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Placebo Comparator: Placebo + pegIFN/RBV
Participants were given matching placebo to ABT-267 once daily in combination with pegIFN/RBV for 12 weeks, followed by 36 weeks of pegIFN/RBV treatment alone.
Pegylated interferon was dosed 180 µg subcutaneously once a week.
Ribavirin was dosed 1000 or 1200 mg daily divided twice a day.
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Syringe, 180 µg/0.5 mL for subcutaneous injections administered weekly
200 mg tablet dosed at 1000 or 1200 mg daily divided twice a day
Participants received matching placebo tablet at each dose level for ABT-267.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Percentage of Participants With 4-week Rapid Virologic Response (RVR)
Time Frame: Week 4
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Plasma hepatitis C virus ribonucleic acid (HCV RNA) levels (measured in IU/mL) were determined for each sample using a real-time reverse transcriptase-polymerase chain reaction (RT-PCR) assay.
Rapid virologic response was defined as HCV RNA levels < the lower limit of detection (< 15 IU/mL) at Week 4. Data are reported as percentage of participants with RVR.
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Week 4
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Maximum Plasma Concentration (Cmax) of ABT-267
Time Frame: Immediately prior to morning dose (time 0 hours); 2, 4, 6, and 8 hours after the morning dose on Day 1; and prior to dose on Day 2 (24 hours after Day 1 dose)
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Blood samples were collected immediately prior to morning dose (time 0 hours); 2, 4, 6, and 8 hours after the morning dose on Day 1; and prior to dose on Day 2 (24 hours after Day 1 dose).
The samples were analyzed for the concentration of ABT-267 using validated analytical methods.
The maximum plasma concentration (Cmax; measured in ng/mL) is the highest concentration that a drug achieves in the plasma after administration in a dosing interval.
The Cmax of ABT-267 was estimated using non-compartmental methods and data are reported as the mean ± standard deviation.
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Immediately prior to morning dose (time 0 hours); 2, 4, 6, and 8 hours after the morning dose on Day 1; and prior to dose on Day 2 (24 hours after Day 1 dose)
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Time to Maximum Plasma Concentration (Tmax) of ABT-267
Time Frame: Immediately prior to morning dose (time 0 hours); 2, 4, 6, and 8 hours after the morning dose on Day 1; and prior to dose on Day 2 (24 hours after Day 1 dose)
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Blood samples were collected immediately prior to morning dose (time 0 hours); 2, 4, 6, and 8 hours after the morning dose on Day 1; and prior to dose on Day 2 (24 hours after Day 1 dose).
The samples were analyzed for the concentration of ABT-267 using validated analytical methods.
The time to maximum plasma concentration (Tmax; measured in hours) is the time it takes for a drug to achieve Cmax.
The Tmax of ABT-267 was estimated using non-compartmental methods and data are reported as the mean ± standard deviation.
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Immediately prior to morning dose (time 0 hours); 2, 4, 6, and 8 hours after the morning dose on Day 1; and prior to dose on Day 2 (24 hours after Day 1 dose)
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Area Under the Plasma Concentration-time Curve From 0 to 24 Hours (AUC24) Post-dose of ABT-267
Time Frame: Immediately prior to morning dose (time 0 hours); 2, 4, 6, and 8 hours after the morning dose on Day 1; prior to dose on Day 2 (24 hours after Day 1 dose); and at each subsequent study visit up to Week 12
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Blood samples were collected immediately prior to morning dose (time 0 hours); 2, 4, 6, and 8 hours after the morning dose on Day 1; prior to dose on Day 2 (24 hours after Day 1 dose); and at each subsequent study visit.
The samples were analyzed for the concentration of ABT-267 using validated analytical methods.
The area under the plasma concentration -time curve (AUC; measured in ng*hr/mL) is a method of measurement of the total exposure of a drug in blood plasma.
The AUC24 of ABT-267 was estimated using non-compartmental methods and data are reported as the mean ± standard deviation.
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Immediately prior to morning dose (time 0 hours); 2, 4, 6, and 8 hours after the morning dose on Day 1; prior to dose on Day 2 (24 hours after Day 1 dose); and at each subsequent study visit up to Week 12
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Plasma Concentrations of Ribavirin (RBV)
Time Frame: At each study visit from Week 1 to Week 12
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Blood samples were collected at each study visit from Week 1 to Week 12.
The samples were analyzed for the concentration of RBV (measured in ng/mL) using validated analytical methods and RBV concentrations in plasma were summarized at each visit.
Data are reported as the median (range).
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At each study visit from Week 1 to Week 12
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Serum Concentrations of Pegylated Interferon (pegIFN)
Time Frame: At each study visit from Week 1 to Week 12
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Blood samples were collected at each study visit from Week 1 to Week 12.
The samples were analyzed for the concentration of pegIFN (measured in ng/mL) using validated analytical methods and pegIFN concentrations in serum were summarized at each visit.
Data are reported as the median (range).
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At each study visit from Week 1 to Week 12
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Percentage of Participants With Partial Early Virologic Response (pEVR)
Time Frame: Baseline and Week 12
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Plasma hepatitis C virus ribonucleic acid (HCV RNA) levels (measured in IU/mL) were determined for each sample using a real-time reverse transcriptase-polymerase chain reaction (RT-PCR) assay.
Partial EVR was defined as HCV RNA levels that decreased > 2 log10 IU/mL at Week 12 as compared to baseline HCV RNA levels.
Data are reported as the percentage of participants with pEVR.
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Baseline and Week 12
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Percentage of Participants With Complete Early Virologic Response (cEVR)
Time Frame: Week 12
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Plasma hepatitis C virus ribonucleic acid (HCV RNA) levels (measured in IU/mL) were determined for each sample using a real-time reverse transcriptase-polymerase chain reaction (RT-PCR) assay.
Complete EVR was defined as HCV RNA < the lower limit of quantification (< 25 IU/mL) at Week 12. Data are reported as the percentage of participants with cEVR.
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Week 12
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Percentage of Participants With Sustained Virologic Response 12 Weeks (SVR12) Post-pegylated Interferon/Ribavirin (pegIFN/RBV) Dosing
Time Frame: 12 weeks after the last dose of pegIFN/RBV
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Plasma hepatitis C virus ribonucleic acid (HCV RNA) levels (measured in IU/mL) were determined for each sample using a real-time reverse transcriptase-polymerase chain reaction (RT-PCR) assay.
Sustained virologic response was defined as HCV RNA levels < the lower limit of quantification (< 25 IU/mL) 12 weeks after the last dose of pegIFN/RBV.
Data are reported as the percentage of participants with SVR12.
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12 weeks after the last dose of pegIFN/RBV
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Percentage of Participants With Sustained Virologic Response 24 Weeks (SVR24) Post-pegylated Interferon/Ribavirin (pegIFN/RBV) Dosing
Time Frame: 24 weeks after the last dose of pegIFN/RBV
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Plasma hepatitis C virus ribonucleic acid (HCV RNA) levels (measured in IU/mL) were determined for each sample using a real-time reverse transcriptase-polymerase chain reaction (RT-PCR) assay.
Sustained virologic response was defined as HCV RNA levels < the lower limit of quantification (< 25 IU/mL) 24 weeks after the last dose of pegIFN/RBV.
Data are reported as the percentage of participants with SVR24.
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24 weeks after the last dose of pegIFN/RBV
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Median Time to Suppression of Hepatitis C Virus Ribonucleic Acid (HCV RNA)
Time Frame: Approximately 12 weeks
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Plasma hepatitis C virus ribonucleic acid (HCV RNA) levels (measured in IU/mL) were determined for each sample using a real-time reverse transcriptase-polymerase chain reaction (RT-PCR) assay.
Time to suppression was defined as the time (measured in days) to HCV RNA levels < the lower limit of quantification (< 25 IU/mL).
Data are reported as the median number of days.
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Approximately 12 weeks
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Percentage of Participants With Extended Rapid Virologic Response (eRVR)
Time Frame: Week 4 through Week 12
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Plasma hepatitis C virus ribonucleic acid (HCV RNA) levels (measured in IU/mL) were determined for each sample using a real-time reverse transcriptase-polymerase chain reaction (RT-PCR) assay.
Extended RVR was defined as HCV RNA levels < the lower level of quantification (< 25 IU/mL) at Weeks 4 through 12. Data are reported as the percentage of participants with eRVR.
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Week 4 through Week 12
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
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.
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
March 1, 2011
Primary Completion (Actual)
January 1, 2012
Study Completion (Actual)
February 1, 2013
Study Registration Dates
First Submitted
March 11, 2011
First Submitted That Met QC Criteria
March 11, 2011
First Posted (Estimate)
March 14, 2011
Study Record Updates
Last Update Posted (Actual)
July 2, 2018
Last Update Submitted That Met QC Criteria
June 1, 2018
Last Verified
January 1, 2015
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Digestive System Diseases
- RNA Virus Infections
- Virus Diseases
- Blood-Borne Infections
- Communicable Diseases
- Liver Diseases
- Flaviviridae Infections
- Hepatitis, Viral, Human
- Enterovirus Infections
- Picornaviridae Infections
- Infections
- Hepatitis
- Hepatitis A
- Hepatitis C
- Hepatitis, Chronic
- Hepatitis C, Chronic
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Antiviral Agents
- Antimetabolites
- Antineoplastic Agents
- Interferons
- Ribavirin
Other Study ID Numbers
- M12-114
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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