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Chronic Hepatitis C VirusPhase 2NCT01726517

Safety and Efficacy of LDV/SOF Fixed-Dose Combination (FDC) ± Ribavirin in HCV Genotype 1 Subjects

A Phase 2 study testing LDV/SOF and RBV in people with Chronic Hepatitis C Virus, run by Gilead Sciences at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This study is to evaluate the safety, tolerability, and antiviral efficacy of ledipasvir/sofosbuvir (LDV/SOF) fixed-dose combination (FDC) with or without ribavirin (RBV), administered for 8 or 12 weeks of treatment in participants with chronic genotype 1 hepatitis C virus (HCV) infection who are treatment-naive, and… Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Chronic Hepatitis C Virus
What is being tested?
LDV/SOF and RBV
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
100 participants
Where
1 siteUnited States
Study dates
Oct 2012to Jan 2014
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Age ≥ 18 years, with chronic genotype 1 HCV infection
  • HCV RNA equal to or greater than 10,000 IU/mL at screening
  • Cirrhosis determination; a liver biopsy may be required
  • Screening laboratory values within defined thresholds
  • Use of two effective contraception methods if female of childbearing potential or sexually active male

Who cannot join

  • Pregnant or nursing female or male with pregnant female partner
  • Current or prior history of clinical hepatic decompensation
  • Hepatocellular carcinoma (HCC) or other malignancy (with exception of certain resolved skin cancers)
  • Chronic use of systemic immunosuppressive agents
  • History of clinically significant illness or any other medical disorder that may interfere with subject treatment, assessment or compliance with the protocol

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Study site

    San Antonio, Texas, 78215

Other trials in United States

About this study

Official title: A Phase 2, Randomized, Open-Label Study of Sofosbuvir/GS-5885 Fixed-Dose Combination ± Ribavirin in Subjects With Chronic Genotype 1 HCV Infection

This study is to evaluate the safety, tolerability, and antiviral efficacy of ledipasvir/sofosbuvir (LDV/SOF) fixed-dose combination (FDC) with or without ribavirin (RBV), administered for 8 or 12 weeks of treatment in participants with chronic genotype 1 hepatitis C virus (HCV) infection who are treatment-naive, and for 12 weeks in participants who had previously received a regimen containing a protease inhibitor for the treatment of HCV.

Being tested
LDV/SOF, RBV
Keywords
HCV genotype 1 (GT-1), HCV, Sustained Virologic Response, Direct Acting Antiviral, Combination Therapy, GS-7977, GS-5885, Ribavirin, Open Label, Sofosbuvir, Treatment-Naïve, Protease Inhibitors, PI
Medical subject headings
Hepatitis C, Chronic

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • LDV/SOFDrug

    Also called Harvoni®

    LDV 90 mg/SOF 400 mg FDC tablet administered orally once daily

  • RBVDrug

    RBV tablets administered orally in a divided daily dose according to package insert weight-based dosing recommendations (< 75 kg = 1000 mg and ≥ 75 kg = 1200 mg)

Study groups in NCT01726517
Study groupRoleWhat they receive
LDV/SOF 8 Weeks (TN)ExperimentalTreatment-naive (TN) participants will be randomized to receive LDV/SOF for 8 weeks.
Receives: Drug: LDV/SOF
LDV/SOF+RBV 8 Weeks (TN)ExperimentalTreatment-naive participants will be randomized to receive LDV/SOF plus RBV for 8 weeks.
Receives: Drug: LDV/SOF; Drug: RBV
LDV/SOF 12 Weeks (TN)ExperimentalTreatment-naive participants will be randomized to receive LDV/SOF for 12 weeks.
Receives: Drug: LDV/SOF
LDV/SOF 12 Weeks (TE)ExperimentalTreatment-experienced (TE) participants (had virologic failure following prior therapy with a protease-inhibitor [PI]+pegylated interferon [PEG]+RBV regimen) will be randomized to receive LDV/SOF for 12 weeks.
Receives: Drug: LDV/SOF
LDV/SOF+RBV 12 Weeks (TE)ExperimentalTreatment-experienced participants (had virologic failure following prior therapy with a PI+PEG+RBV regimen) will be randomized to receive LDV/SOF plus RBV for 12 weeks.
Receives: Drug: LDV/SOF; Drug: RBV

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Percentage of Participants With Sustained Virologic Response (SVR) at 12 Weeks After Discontinuation of Therapy (SVR12)

    SVR12 was defined as HCV RNA < the lower limit of quantitation (LLOQ; ie, 25 IU/mL) 12 weeks after stopping study treatment.

    Measured: Posttreatment Week 12

  2. Incidence of Adverse Events Leading to Permanent Discontinuation of Study Drug(s)

    The number of participants experiencing an adverse event leading to permanent discontinuation of study drug(s) was summarized.

    Measured: Baseline to Week 12

Secondary outcomes (2)
  1. Percentage of Participants With SVR at 2, 4, 8, and 24 Weeks After Discontinuation of Therapy (SVR2, SVR4, SVR8, and SVR24)

    SVR2, SVR4, SVR8, and SVR24 was defined as HCV RNA < LLOQ at 2, 4, 8, and 24 weeks following the last dose of study drug, respectively.

    Measured: Posttreatment Weeks 2, 4, 8, and 24

  2. Percentage of Participants Experiencing Viral Breakthrough or Viral Relapse

    • Viral breakthrough was defined as HCV RNA ≥ LLOQ after having previously had HCV RNA < LLOQ while receiving treatment, confirmed with 2 consecutive values (second confirmation value could be posttreatment), or last available on-treatment measurement with no subsequent follow-up values.
    • Viral relapse was defined as HCV RNA ≥ LLOQ during the posttreatment period having achieved HCV RNA < LLOQ at end of treatment, confirmed with 2 consecutive values or last available posttreatment measurement.

    Measured: Baseline to Posttreatment Week 24

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted15 Nov 2012 (estimated)
  2. Study startOct 2012
  3. Primary completionJul 2013
  4. Study completionJan 2014

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
100 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01726517
Sponsor's protocol ID
GS-US-337-0118
Status last verified
Nov 2014
First submitted
10 Nov 2012
Last updated
16 Nov 2018
Data monitoring committee
No
Individual data sharing
Yes: 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.

Publications

  • Lawitz E, Poordad FF, Pang PS, Hyland RH, Ding X, Mo H, Symonds WT, McHutchison JG, Membreno FE. Sofosbuvir and ledipasvir fixed-dose combination with and without ribavirin in treatment-naive and previously treated patients with genotype 1 hepatitis C virus infection (LONESTAR): an open-label, randomised, phase 2 trial. Lancet. 2014 Feb 8;383(9916):515-23. doi: 10.1016/S0140-6736(13)62121-2. Epub 2013 Nov 5.

    PubMed 24209977

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing LDV/SOF and RBV in people with Chronic Hepatitis C Virus, run by Gilead Sciences at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 16 Nov 2018. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 17 Nov 2014). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Percentage of Participants With Sustained Virologic Response (SVR) at 12 Weeks After Discontinuation of Therapy (SVR12) (time frame: Posttreatment Week 12). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01726517, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 16 Nov 2018.

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