Comparative Efficacy of Fixed-dose Combination Sofosbuvir + Ledipasvir, 8 vs. 12 Weeks in Chronic Hepatitis C Genotype 6
1 other identifier
interventional
60
1 country
4
Brief Summary
The primary objectives of this study are to describe the efficacy of:
- 1.8-week treatment of SOF/LED for treatment-naïve, non-cirrhotic, HCV genotype 6
- 2.12-week treatment of SOF/LED for all other HCV-6 populations
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_4
Started Jun 2015
4 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
June 1, 2015
CompletedFirst Submitted
Initial submission to the registry
June 17, 2015
CompletedFirst Posted
Study publicly available on registry
June 24, 2015
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 1, 2016
CompletedStudy Completion
Last participant's last visit for all outcomes
October 1, 2016
CompletedResults Posted
Study results publicly available
September 19, 2017
CompletedSeptember 19, 2017
August 1, 2017
1.3 years
June 17, 2015
July 17, 2017
August 21, 2017
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Number of Participants With a Sustained Virologic Response (SVR) log10 HCV RNA PCR <25 IU/mL 12 Weeks Post-treatment
12 weeks after end of therapy
Secondary Outcomes (1)
Number of Participants Who Experienced Serious Adverse Events (SAEs) and/or Adverse Events (AEs) From Informed Consent to 12 Weeks Post-treatment.
Day 1 of treatment to 12 weeks post treatment
Study Arms (2)
8 weeks SOF/LED
EXPERIMENTALPatients that are treatment naïve and without cirrhosis will be assigned to 8 weeks of treatment with fixed-dose combination sofosbuvir (400 mg) and ledipasvir (90 mg) daily.
12 weeks SOF/LED
EXPERIMENTALPatients that are either treatment experienced or are cirrhotic will be assigned to 12 weeks of treatment with fixed-dose combination sofosbuvir (400 mg) and ledipasvir (90 mg) daily.
Interventions
Eligible and consenting patients will be treated with sofosbuvir 400 mg daily and ledipasvir 90 mg daily for 8 weeks. Patients that are treatment naïve and without cirrhosis will be assigned to 8 weeks of treatment. The drug will be administered orally, per manufacturers' instructions, and can be taken with or without food.
Eligible and consenting patients will be treated with sofosbuvir 400 mg daily and ledipasvir 90 mg daily for 8 weeks. Patients that are not treatment naïve or have cirrhosis will be assigned to 12 weeks of treatment. The drug will be administered orally, per manufacturers' instructions, and can be taken with or without food.
Eligibility Criteria
You may qualify if:
- Male or female, age ≥18 years
- HCV genotype 6 or indeterminate and later assessed at Screening and confirmed as genotype 6
- Selected to start on treatment by their treating providers
- Willing and able to provide informed consent
- Able to comply with dosing instructions for study drug administration and able to complete the study schedule of assessments
- Females of childbearing potential must have a negative serum pregnancy test at Screening and a negative pregnancy test on Baseline
- Male subjects and female subjects of childbearing potential who engage in heterosexual intercourse must agree to use protocol specified method(s) of contraception
- Lactating females must agree to discontinue nursing before the study drug is administered
You may not qualify if:
- Previous recipient of a liver transplant
- Co-infection with human immunodeficiency virus (HIV) or hepatitis B (HBV)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Stanford Universitylead
- Gilead Sciencescollaborator
Study Sites (4)
Stanford University Medical Center
Palo Alto, California, 94304, United States
San Jose Gastroenterology
San Jose, California, 95128, United States
Liver and Digestive Consultants
Houston, Texas, 77072, United States
Digestive Health Associates
Plano, Texas, 75093, United States
Related Publications (5)
Lawitz E, Gane EJ. Sofosbuvir for previously untreated chronic hepatitis C infection. N Engl J Med. 2013 Aug 15;369(7):678-9. doi: 10.1056/NEJMc1307641. No abstract available.
PMID: 23944316BACKGROUNDLam KD, Trinh HN, Do ST, Nguyen TT, Garcia RT, Nguyen T, Phan QQ, Nguyen HA, Nguyen KK, Nguyen LH, Nguyen MH. Randomized controlled trial of pegylated interferon-alfa 2a and ribavirin in treatment-naive chronic hepatitis C genotype 6. Hepatology. 2010 Nov;52(5):1573-80. doi: 10.1002/hep.23889.
PMID: 21038410BACKGROUNDAfdhal N, Reddy KR, Nelson DR, Lawitz E, Gordon SC, Schiff E, Nahass R, Ghalib R, Gitlin N, Herring R, Lalezari J, Younes ZH, Pockros PJ, Di Bisceglie AM, Arora S, Subramanian GM, Zhu Y, Dvory-Sobol H, Yang JC, Pang PS, Symonds WT, McHutchison JG, Muir AJ, Sulkowski M, Kwo P; ION-2 Investigators. Ledipasvir and sofosbuvir for previously treated HCV genotype 1 infection. N Engl J Med. 2014 Apr 17;370(16):1483-93. doi: 10.1056/NEJMoa1316366. Epub 2014 Apr 11.
PMID: 24725238BACKGROUNDAfdhal N, Zeuzem S, Kwo P, Chojkier M, Gitlin N, Puoti M, Romero-Gomez M, Zarski JP, Agarwal K, Buggisch P, Foster GR, Brau N, Buti M, Jacobson IM, Subramanian GM, Ding X, Mo H, Yang JC, Pang PS, Symonds WT, McHutchison JG, Muir AJ, Mangia A, Marcellin P; ION-1 Investigators. Ledipasvir and sofosbuvir for untreated HCV genotype 1 infection. N Engl J Med. 2014 May 15;370(20):1889-98. doi: 10.1056/NEJMoa1402454. Epub 2014 Apr 11.
PMID: 24725239BACKGROUNDChao DT, Abe K, Nguyen MH. Systematic review: epidemiology of hepatitis C genotype 6 and its management. Aliment Pharmacol Ther. 2011 Aug;34(3):286-96. doi: 10.1111/j.1365-2036.2011.04714.x. Epub 2011 May 29.
PMID: 21623850BACKGROUND
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Limitations and Caveats
Our population was small and our study was not powered to be able to determine significant differences between groups.
Results Point of Contact
- Title
- Mindie H. Nguyen, MD, MAS
- Organization
- Stanford University Medical Center
Study Officials
- PRINCIPAL INVESTIGATOR
Mindie H Nguyen, MD, MAS
Stanford University
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Associate Professor of Medicine
Study Record Dates
First Submitted
June 17, 2015
First Posted
June 24, 2015
Study Start
June 1, 2015
Primary Completion
October 1, 2016
Study Completion
October 1, 2016
Last Updated
September 19, 2017
Results First Posted
September 19, 2017
Record last verified: 2017-08