A Phase 3, Open-label Study to Investigate the Efficacy and Safety of Sofosbuvir Plus Ribavirin in Chronic Genotype 1, 2, 3 and 4 Hepatitis C Virus (HCV) and Human Immunodeficiency Virus (HIV) Co-infected Adults
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ClinicalTrials.gov Identifier: NCT01783678 |
Recruitment Status :
Completed
First Posted : February 5, 2013
Results First Posted : April 30, 2015
Last Update Posted : April 30, 2015
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Chronic Hepatitis C Human Immunodeficiency Virus | Drug: Sofosbuvir Drug: RBV | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 275 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | A Phase 3, Open-label Study to Investigate the Efficacy and Safety of Sofosbuvir Plus Ribavirin in Chronic Genotype 1, 2, 3 and 4 Hepatitis C Virus (HCV) and Human Immunodeficiency Virus (HIV) Co-infected Subjects |
Study Start Date : | January 2013 |
Actual Primary Completion Date : | April 2014 |
Actual Study Completion Date : | July 2014 |

Arm | Intervention/treatment |
---|---|
Experimental: Genotype 2 treatment-naive
Treatment-naive (TN) participants with HIV-1 and genotype 2 HCV coinfection will receive sofosbuvir plus RBV for 12 weeks.
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Drug: Sofosbuvir
Sofosbuvir 400 mg tablet administered orally once daily
Other Names:
Drug: RBV Ribavirin (RBV) tablets administered orally in a divided daily dose according to package insert weight-based dosing recommendations (< 75kg = 1000 mg and ≥ 75 kg = 1200 mg) |
Experimental: Genotype 2/3 treatment-experienced
Treatment-experienced (TE) participants with HIV-1 and genotype 2 or 3 HCV co-infection will receive sofosbuvir plus RBV for 24 weeks.
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Drug: Sofosbuvir
Sofosbuvir 400 mg tablet administered orally once daily
Other Names:
Drug: RBV Ribavirin (RBV) tablets administered orally in a divided daily dose according to package insert weight-based dosing recommendations (< 75kg = 1000 mg and ≥ 75 kg = 1200 mg) |
Experimental: Genotype 1/3/4 treatment-naive
Treatment naive (TN) participants with HIV-1 and genotype 1, 3, or 4 HCV co-infection will receive sofosbuvir plus RBV for 24 weeks.
|
Drug: Sofosbuvir
Sofosbuvir 400 mg tablet administered orally once daily
Other Names:
Drug: RBV Ribavirin (RBV) tablets administered orally in a divided daily dose according to package insert weight-based dosing recommendations (< 75kg = 1000 mg and ≥ 75 kg = 1200 mg) |
- Percentage of Participants With Sustained Virologic Response (SVR) at 12 Weeks After Discontinuation of Therapy (SVR12) [ Time Frame: Posttreatment Week 12 ]SVR12 was defined as HCV RNA < the lower limit of quantitation (LLOQ, ie, < 25 IU/mL) 12 weeks following the last dose of study drug.
- Incidence of Adverse Events Leading to Permanent Discontinuation of Study Drug(s) [ Time Frame: Up to 24 weeks ]The percentage of participants permanently discontinuing any study drug due to an adverse event was summarized.
- Percentage of Participants With Sustained Virologic Response at 4 and 24 Weeks After Discontinuation of Therapy (SVR4 and SVR24) [ Time Frame: Posttreatment Weeks 4 and 24 ]SVR4 and SVR24 were defined as HCV RNA < the lower limit of quantitation (LLOQ) 4 weeks and 24 weeks following the last dose of study drug, respectively.
- HCV RNA Change From Baseline at Week 1 [ Time Frame: Baseline; Week 1 ]
- HCV RNA Change From Baseline at Week 2 [ Time Frame: Baseline; Week 2 ]
- HCV RNA Change From Baseline at Week 4 [ Time Frame: Baseline; Week 4 ]
- HCV RNA Change From Baseline at Week 6 [ Time Frame: Baseline; Week 6 ]
- HCV RNA Change From Baseline at Week 8 [ Time Frame: Baseline; Week 8 ]
- Percentage of Participants Experiencing Virologic Failure [ Time Frame: Baseline up to Posttreatment Week 24 ]
On-treatment virologic failure was defined as either:
- Virologic breakthrough (confirmed HCV RNA ≥ LLOQ after having previously had HCV RNA < LLOQ while on treatment), or
- Rebound (confirmed > 1 log10 IU/mL increase in HCV RNA from nadir while on treatment), or
- Nonresponse (HCV RNA persistently ≥ LLOQ through 8 weeks of treatment).
Virologic relapse was defined as confirmed HCV RNA ≥ LLOQ during the posttreatment period, having achieved HCV RNA < LLOQ at last on-treatment visit."

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Age ≥ 18 years with HIV-1 and chronic HCV genotype 1, 2, 3, or 4 co-infection
- HCV RNA > 10,000 IU/mL at screening
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HCV treatment history:
- Treatment-naive for HCV genotypes 1, 2, 3, or 4, or
- Treatment-experienced for HCV genotypes 2 or 3
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HIV antiretroviral (ARV) criteria:
- On a stable, protocol-approved, HIV ARV regimen with undetectable HIV RNA for > 8 weeks prior to screening, or
- ARV untreated for ≥ 8 weeks prior to screening, with a CD4 T-cell count > 500 cells/mm^3
- Presence or absence of cirrhosis; a liver biopsy may be required
- Healthy according to medical history and physical examination with the exception of HCV and HIV diagnosis
- Agree to use two forms of highly effective contraception for the duration of the study and 6 months after the last dose of study medication
Exclusion Criteria:
- HCV genotype 1 or 4 with previous HCV treatment
- Poor control with HIV ARV regimen requiring a possible dose modification of therapy within 4 weeks of study medication dosing
- A new AIDS-defining condition diagnosed within 30 days prior to screening
- Prior use of any other inhibitor of the HCV NS5B polymerase
- History of any other clinically significant chronic liver disease
- Evidence of or history of decompensated liver disease
- Chronic hepatitis B virus (HBV) infection
- Hepatocellular carcinoma (HCC) or other malignancy (with exception of certain resolved skin cancers)
- Chronic use of immunosuppressive agents or immunomodulatory agents
- Clinically relevant drug or alcohol abuse within 12 months of screening
- History or current evidence of any condition, therapy, laboratory abnormality or other circumstance that might confound the results of the study, or interfere with the participant's participation for the full duration of the study or not be in the best interest of the participant in the opinion of the investigator

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01783678
Australia, New South Wales | |
Darlinghurst, New South Wales, Australia | |
Sydney, New South Wales, Australia | |
Australia, Victoria | |
Melbourne, Victoria, Australia | |
Parkville, Victoria, Australia | |
France | |
Lyon, France | |
Nice, France | |
Paris, France | |
Germany | |
Berlin, Germany | |
Bonn, Germany | |
Duesseldorf, Germany | |
Frankfurt, Germany | |
Hamburg, Germany | |
Würzburg, Germany | |
Italy | |
Bergamo, Italy | |
Milano, Italy | |
Napoli, Italy | |
Rome, Italy | |
Torino, Italy | |
Spain | |
Barcelona, Spain | |
Madrid, Spain | |
Seville, Spain | |
United Kingdom | |
Glasgow, United Kingdom | |
London, United Kingdom | |
Sussex, United Kingdom |
Study Director: | Anuj Gaggar, MD, PhD | Gilead Sciences |
Responsible Party: | Gilead Sciences |
ClinicalTrials.gov Identifier: | NCT01783678 |
Other Study ID Numbers: |
GS-US-334-0124 |
First Posted: | February 5, 2013 Key Record Dates |
Results First Posted: | April 30, 2015 |
Last Update Posted: | April 30, 2015 |
Last Verified: | April 2015 |
Acquired Immunodeficiency Syndrome HIV Infections Hepatitis A Hepatitis C Hepatitis C, Chronic Hepatitis Immunologic Deficiency Syndromes Liver Diseases Digestive System Diseases Hepatitis, Viral, Human Virus Diseases Infections Enterovirus Infections Picornaviridae Infections |
RNA Virus Infections Blood-Borne Infections Communicable Diseases Flaviviridae Infections Hepatitis, Chronic Immune System Diseases Sexually Transmitted Diseases, Viral Sexually Transmitted Diseases Lentivirus Infections Retroviridae Infections Slow Virus Diseases Sofosbuvir Antiviral Agents Anti-Infective Agents |