Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT01384383 · ClinicalTrials.gov registry record · Phase 2

GS-5885, GS-9451 With Peginterferon Alfa 2a (PEG) and Ribavirin in Treatment-Naïve Subjects With Chronic Genotype 1 Hep C Virus Infection and IL28B CC Genotype

A Phase 2 study, sponsored by Gilead Sciences.

Terminated
Registry status
Phase 2
Development phase
248
Enrollment target

NCT01384383: Clinical Trial Phase 2 study, sponsored by Gilead Sciences.

NCT01384383 is a Phase 2 study that was terminated before completion, run by Gilead Sciences. The registered enrollment target is 248 participants, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (86% higher). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT01384383, a Phase 2 study, was terminated before completion, sponsored by Gilead Sciences.

TERMINATED
Registry status
Phase 2
Development phase
248 participants
Enrollment target

Study Summary

This is a Phase 2, randomized, open-label exploratory study that will examine the antiviral efficacy, safety, and tolerability of Response guided treatment (RGT) with GS-5885 + GS-9451 + PEG/RBV (6 or 12 weeks), or Peginterferon Alfa 2a (PEG)/Ribavirin (RBV)alone (24 weeks) in treatment naïve subjects with chronic Hep C (HCV) infection with genotype (GT) 1 and IL28B CC genotype.

Primary Outcome

Sustained virologic response (SVR, defined as plasma HCV RNA \< lower limit of quantification \[LLoQ\] at 24 weeks after treatment cessation) following treatment with GS-5885 + GS-9451 + PEG/RBV for 6 or 12 weeks, or PEG/RBV for 24 weeks in IL28B CC subjects.

Interventions

  • DRUG RBV
  • DRUG PEG
  • DRUG GS-5885
  • DRUG GS-9451

Trial Details

FieldValue
Enrollment Target 248 participants
Start Date 2011-08
Est. Completion 2013-06
Phase Phase 2
Gilead Sciences

504 total trials

Why NCT01384383 stopped before completion

NCT01384383 is an interventional study that assigns participants to a tested intervention. The registered 248 participants enrollment target is mid-sized for trials with a published cap, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (86% higher).

The record links to 0 conditions, and to 4 interventions - of which RBV is the first listed.

NCT01384383 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01384383 about?

NCT01384383 is a clinical study titled "GS-5885, GS-9451 With Peginterferon Alfa 2a (PEG) and Ribavirin in Treatment-Naïve Subjects With Chronic Genotype 1 Hep C Virus Infection and IL28B CC Genotype". This is a Phase 2, randomized, open-label exploratory study that will examine the antiviral efficacy, safety, and tolerability of Response guided treatment (RGT) with GS-5885 + GS-9451 + PEG/RBV (6 or 12 weeks), or Peginterferon Alfa 2a (PEG)/Ribavirin (RBV)alone (24 weeks) in treatment naïve subjec...

What is the current status of trial NCT01384383?

This trial is currently terminated. It is a Phase 2 study. The enrollment target is 248 participants. The study started on 2011-08. Estimated completion is 2013-06.

What interventions are being tested in trial NCT01384383?

The interventions under investigation include: RBV (DRUG), PEG (DRUG), GS-5885 (DRUG), GS-9451 (DRUG).

Who is sponsoring clinical trial NCT01384383?

This trial is sponsored by Gilead Sciences, which has 504 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01384383's enrollment target sits among peer trials

248 234th of 2000 higher than 1,767 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT04577911 · 248 participants

    How is Social Connection Represented in the Brain?

  • NCT04777994 · 248 participants · Phase 1

    Study With ABBV-CLS-484 in Participants With Locally Advanced or Metastatic Tumors

  • NCT04792489 · 248 participants · Phase 2

    DALY II USA/ MB-CART2019.1 for DLBCL

  • NCT04830137 · 248 participants · Phase 1

    A Study of NX-2127 in Adults With Relapsed/Refractory B-cell Malignancies

Similar registry start date

  • NCT05988463 · started 2027-01-01 · Phase 1

    Dose-Escalation Study of Artesunate Patients With IPF

  • NCT07219706 · started 2026-12-10 · NA

    Dietary Fiber and Time Restricted Eating

  • NCT02831335 · started 2026-12-01

    Technical Development of Multi-Parametric Renocerebral MRI

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

Source: ClinicalTrials.gov NCT01384383, the US trial registry maintained by the National Library of Medicine. NCT01384383 (mid enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.