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Safety and Efficacy of Ledipasvir/Sofosbuvir Fixed-Dose Combination ± Ribavirin in Treatment-Experienced Subjects With Genotype 1 HCV Infection (ION-2)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT01768286
Recruitment Status : Completed
First Posted : January 15, 2013
Results First Posted : November 26, 2014
Last Update Posted : November 16, 2018
Sponsor:
Information provided by (Responsible Party):
Gilead Sciences

Brief Summary:
This study is to evaluate the safety, tolerability, and antiviral efficacy of ledipasvir/sofosbuvir fixed dose combination (FDC) with or without ribavirin (RBV) administered for 12 or 24 weeks in treatment-experienced subjects with chronic genotype 1 hepatitis C virus (HCV) infection.

Condition or disease Intervention/treatment Phase
Chronic Hepatitis C Virus Drug: LDV/SOF Drug: RBV Phase 3

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 441 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase 3, Multicenter, Randomized, Open-Label Study to Investigate the Efficacy and Safety of Sofosbuvir/GS-5885 Fixed-Dose Combination ± Ribavirin for 12 and 24 Weeks in Treatment-Experienced Subjects With Chronic Genotype 1 HCV Infection
Study Start Date : January 2013
Actual Primary Completion Date : November 2013
Actual Study Completion Date : February 2014


Arm Intervention/treatment
Experimental: LDV/SOF 12 Weeks
Participants will receive LDV/SOF FDC for 12 weeks.
Drug: LDV/SOF
Ledipasvir (LDV) 90 mg/sofosbuvir (SOF) 400 mg fixed-dose combination (FDC) tablet administered orally once daily
Other Names:
  • Harvoni®
  • GS-5885/GS-7997

Experimental: LDV/SOF+RBV 12 Weeks
Participants will receive LDV/SOF FDC plus RBV for 12 weeks.
Drug: LDV/SOF
Ledipasvir (LDV) 90 mg/sofosbuvir (SOF) 400 mg fixed-dose combination (FDC) tablet administered orally once daily
Other Names:
  • Harvoni®
  • GS-5885/GS-7997

Drug: RBV
Ribavirin (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)

Experimental: LDV/SOF 24 Weeks
Participants will receive LDV/SOF FDC for 24 weeks.
Drug: LDV/SOF
Ledipasvir (LDV) 90 mg/sofosbuvir (SOF) 400 mg fixed-dose combination (FDC) tablet administered orally once daily
Other Names:
  • Harvoni®
  • GS-5885/GS-7997

Experimental: LDV/SOF+RBV 24 Weeks
Participants will receive LDV/SOF FDC plus RBV for 24 weeks.
Drug: LDV/SOF
Ledipasvir (LDV) 90 mg/sofosbuvir (SOF) 400 mg fixed-dose combination (FDC) tablet administered orally once daily
Other Names:
  • Harvoni®
  • GS-5885/GS-7997

Drug: RBV
Ribavirin (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)




Primary Outcome Measures :
  1. Percentage of Participants With Sustained Virologic Response (SVR) 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.

  2. Incidence of Adverse Events Leading to Permanent Discontinuation From Any Study Drug [ Time Frame: Up to 24 weeks ]
    The percentage of participants who experienced an adverse event leading to permanent discontinuation from any study drug was summarized.


Secondary Outcome Measures :
  1. Percentage of Participants With SVR 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 < LLOQ at 4 and 24 weeks following the last dose of study drug, respectively.

  2. Percentage of Participants With HCV RNA < LLOQ at Week 1 [ Time Frame: Week 1 ]
  3. Percentage of Participants With HCV RNA < LLOQ at Week 2 [ Time Frame: Week 2 ]
  4. Percentage of Participants With HCV RNA < LLOQ at Week 4 [ Time Frame: Week 4 ]
  5. Percentage of Participants With HCV RNA < LLOQ at Week 8 [ Time Frame: Week 8 ]
  6. Percentage of Participants With HCV RNA < LLOQ at Week 12 [ Time Frame: Week 12 ]
  7. Percentage of Participants With HCV RNA < LLOQ at Week 24 [ Time Frame: Week 24 ]
  8. Change From Baseline in HCV RNA at Week 1 [ Time Frame: Baseline; Week 1 ]
  9. Change From Baseline in HCV RNA at Week 2 [ Time Frame: Baseline; Week 2 ]
  10. Change From Baseline in HCV RNA at Week 4 [ Time Frame: Baseline; Week 4 ]
  11. Change From Baseline in HCV RNA at Week 8 [ Time Frame: Baseline; Week 8 ]
  12. Percentage of Participants With Virologic Failure [ Time Frame: Baseline to posttreatment Week 24 ]

    Virologic failure was defined as on-treatment virologic failure or virologic relapse.

    • On-Treatment Virologic Failure was defined as

      • 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 was defined as confirmed HCV RNA ≥ LLOQ during the posttreatment period having achieved HCV RNA < LLOQ at last on-treatment visit.




Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Age > 18, with chronic genotype 1 HCV infection
  • HCV treatment-experienced, including patients who have previously failed a nonstructural protein (NS)3/4A protease inhibitor plus pegylated interferon (PEG)/RBV regimen
  • HCV RNA > 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

Exclusion Criteria:

  • Pregnant or nursing female or male with pregnant female partner
  • Coinfection with HIV or hepatitis B virus
  • Current or prior history of clinical hepatic decompensation
  • Hepatocellular carcinoma 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

Information from the National Library of Medicine

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): NCT01768286


Locations
Show Show 53 study locations
Sponsors and Collaborators
Gilead Sciences
Investigators
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Study Director: Jenny Yang, PharmD Gilead Sciences
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
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Responsible Party: Gilead Sciences
ClinicalTrials.gov Identifier: NCT01768286    
Other Study ID Numbers: GS-US-337-0109
First Posted: January 15, 2013    Key Record Dates
Results First Posted: November 26, 2014
Last Update Posted: November 16, 2018
Last Verified: November 2014
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: Yes
Plan Description: 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 Materials: Study Protocol
Statistical Analysis Plan (SAP)
Time Frame: 18 months after study completion
Access Criteria: A secured external environment with username, password, and RSA code.
URL: http://www.gilead.com/research/disclosure-and-transparency
Keywords provided by Gilead Sciences:
HCV genotype 1 (GT-1)
HCV
Sustained Virologic Response
Direct Acting Antiviral
Combination Therapy
GS-7977
GS-5885
Ribavirin
Open Label
Sofosbuvir
Additional relevant MeSH terms:
Hepatitis
Hepatitis, Chronic
Hepatitis C
Hepatitis C, Chronic
Liver Diseases
Digestive System Diseases
Hepatitis, Viral, Human
Virus Diseases
Enterovirus Infections
Picornaviridae Infections
RNA Virus Infections
Flaviviridae Infections
Antiviral Agents
Anti-Infective Agents
Therapeutic Uses
Pharmacologic Actions
Antimetabolites
Molecular Mechanisms of Pharmacological Action
Additional relevant MeSH terms:
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Infections
Hepatitis C
Hepatitis C, Chronic
Hepatitis
Communicable Diseases
Liver Diseases
Digestive System Diseases
Hepatitis, Viral, Human
Virus Diseases
RNA Virus Infections
Blood-Borne Infections
Flaviviridae Infections
Hepatitis, Chronic
Ledipasvir, sofosbuvir drug combination
Ledipasvir
Antiviral Agents
Anti-Infective Agents