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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT02300103
Registration number
NCT02300103
Ethics application status
Date submitted
20/11/2014
Date registered
24/11/2014
Titles & IDs
Public title
Efficacy And Safety Of Sofosbuvir/Velpatasvir Fixed Dose Combination With Ribavirin in Chronic HCV Infected Adults Who Participated in a Prior Gilead Sponsored HCV Treatment Study
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Scientific title
An Open Label Study to Evaluate The Efficacy And Safety Of Sofosbuvir/GS-5816 Fixed Dose Combination With Ribavirin For 24 Weeks In Chronic HCV Infected Subjects Who Participated In A Prior Gilead Sponsored HCV Treatment Study
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Secondary ID [1]
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GS-US-342-1553
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Hepatitis C Virus Infection
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0
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Condition category
Condition code
Infection
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0
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Other infectious diseases
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Oral and Gastrointestinal
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0
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Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - SOF/VEL
Treatment: Drugs - RBV
Experimental: SOF/VEL+RBV - Participants will receive SOF/VEL fixed dose combination (FDC) and RBV for 24 weeks.
Treatment: Drugs: SOF/VEL
400/100 mg FDC tablet administered orally once daily
Treatment: Drugs: RBV
Tablet (s) administered orally in a divided daily dose according to package insert weight-based dosing recommendations (\< 75 kg = 1000 mg and = 75 kg = 1200 mg)
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Percentage of Participants With Sustained Virologic Response 12 Weeks After Discontinuation of Therapy (SVR12)
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Assessment method [1]
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SVR12 is defined as HCV RNA \< the lower limit of quantitation (LLOQ) 12 weeks following the last dose of study drug.
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Timepoint [1]
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Posttreatment Week 12
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Primary outcome [2]
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Percentage of Participants Who Permanently Discontinued Any Study Drug Due to an Adverse Event
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Assessment method [2]
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Timepoint [2]
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Up to 24 weeks
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Secondary outcome [1]
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Percentage of Participants With Sustained Virologic Response 4 and 24 Weeks After Discontinuation of Therapy (SVR4 and SVR24)
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Assessment method [1]
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SVR4 and SVR24 are defined as HCV RNA \< LLOQ at 4 and 24 weeks following the last dose of study drug.
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Timepoint [1]
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Posttreatment Weeks 4 and 24
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Secondary outcome [2]
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Percentage of Participants With HCV RNA < LLOQ On-treatment
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Assessment method [2]
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Timepoint [2]
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Baseline to Week 24
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Secondary outcome [3]
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HCV RNA Change From Baseline
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Assessment method [3]
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Timepoint [3]
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Baseline to Week 24
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Secondary outcome [4]
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Percentage of Participants With Virologic Failure
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Assessment method [4]
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Virologic failure was defined as:
* On-treatment virologic failure:
* 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
* Non-response (HCV RNA persistently = LLOQ through 8 weeks of treatment)
* Virologic relapse:
* Confirmed HCV RNA = LLOQ during the posttreatment period having achieved HCV RNA \< LLOQ at last on-treatment visit
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Timepoint [4]
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Up to Posttreatment Week 24
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Eligibility
Key inclusion criteria
Key
* Willing and able to provide written informed consent
* HCV genotype determined by the Central Laboratory
* HCV RNA > LLOQ at screening
* Participated and completed a Gilead sponsored HCV treatment study of direct acting antiviral (DAA) containing regimens.
* Male and female of childbearing potential must agree to use protocol specified method(s) of contraception
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Current or prior history: Clinically-significant illness (other than HCV) or any other major medical disorder that may interfere with treatment, assessment or compliance with the protocol; individuals currently under evaluation for a potentially clinically-significant illness (other than HCV) are also excluded.
* Screening ECG with clinically significant abnormalities
* Laboratory results outside of acceptable ranges at screening
* Infection with hepatitis B virus (HBV) or human immunodeficiency virus (HIV)
NOTE: Other protocol defined Inclusion/ Exclusion criteria may apply.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
NA
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
Phase 2
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/12/2014
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
15/09/2016
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Sample size
Target
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Accrual to date
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Final
69
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Recruitment in Australia
Recruitment state(s)
NSW,VIC,WA
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Recruitment hospital [1]
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- Darlinghurst
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Recruitment hospital [2]
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- Fitzroy
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Recruitment hospital [3]
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- Melbourne
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Recruitment hospital [4]
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- Murdoch
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Recruitment postcode(s) [1]
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- Darlinghurst
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Recruitment postcode(s) [2]
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- Fitzroy
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Recruitment postcode(s) [3]
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- Melbourne
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Recruitment postcode(s) [4]
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- Murdoch
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Recruitment outside Australia
Country [1]
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United States of America
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State/province [1]
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California
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Country [2]
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United States of America
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State/province [2]
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Colorado
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Country [3]
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United States of America
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State/province [3]
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Florida
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Country [4]
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United States of America
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State/province [4]
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Maryland
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Country [5]
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United States of America
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State/province [5]
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Massachusetts
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Country [6]
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United States of America
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State/province [6]
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New Jersey
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Country [7]
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United States of America
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State/province [7]
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New York
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Country [8]
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United States of America
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State/province [8]
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North Carolina
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Country [9]
0
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United States of America
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State/province [9]
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Pennsylvania
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Country [10]
0
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United States of America
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State/province [10]
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Tennessee
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Country [11]
0
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United States of America
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State/province [11]
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Texas
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Country [12]
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United States of America
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State/province [12]
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Virginia
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Country [13]
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New Zealand
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State/province [13]
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Auckland
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Country [14]
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New Zealand
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State/province [14]
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Christchurch
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Country [15]
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Puerto Rico
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State/province [15]
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San Juan
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Gilead Sciences
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
The primary objective of this study is to evaluate the efficacy, safety and tolerability of treatment with sofosbuvir/velpatasvir (Epclusa®; SOF/VEL) with ribavirin (RBV) for 24 weeks in adults with chronic hepatitis C virus (HCV) infection who participated in a prior Gilead sponsored study and did not achieve sustained virologic response (SVR).
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Trial website
https://clinicaltrials.gov/study/NCT02300103
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Trial related presentations / publications
Gane EJ, Shiffman ML, Etzkorn K, Morelli G, Stedman C, Davis MN, et al. Sofosbuvir/Velpatasvir in Combination With Ribavirin for 24 Weeks is Effective Retreatment for Patients Who Failed Prior NS5A Containing DAA Regimens: Results of the GS-US-342-1553 Study [Abstract PS024]. J Hepatology 2016;64:S147-S8.
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Public notes
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Contacts
Principal investigator
Name
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Gilead Study Director
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Address
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Gilead Sciences
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for scientific queries
Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
Yes
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What data in particular will be shared?
Qualified external researchers may request IPD for this study after study completion. For more information, please visit our website at http://www.gilead.com/research/disclosure-and-transparency.
Supporting document/s available: Study protocol, Statistical analysis plan (SAP)
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When will data be available (start and end dates)?
18 months after study completion
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Available to whom?
A secured external environment with username, password, and RSA code.
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Available for what types of analyses?
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How or where can data be obtained?
IPD available at link: http://www.gilead.com/research/disclosure-and-transparency
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Type
Citations or Other Details
Journal
Gane EJ, Shiffman ML, Etzkorn K, Morelli G, Stedma...
[
More Details
]
Results are available at
https://clinicaltrials.gov/study/NCT02300103