deltatrials
Completed PHASE3 INTERVENTIONAL 1-arm NCT00781274

Efficacy and Safety of MP-424, Peginterferon Alfa-2b and Ribavirin in Chronic Hepatitis C Who Have Not Achieved an Undetectable HCV RNA Level With Previous Interferon Based Therapy

A Phase 3 Study of MP-424 in Combination With Peginterferon Alfa-2b and Ribavirin (RBV) in Subjects With (Genotype 1) Hepatitis C Who Did Not Respond to Previous Treatment

Sponsor: Tanabe Pharma Corporation

Conditions Hepatitis C
Updated 8 times since 2017 Last updated: Dec 15, 2025 Started: Dec 31, 2008 Primary completion: Jul 31, 2010 Completion: Jul 31, 2010
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT00781274, this PHASE3 trial focuses on Hepatitis C and remains completed. Sponsored by Tanabe Pharma Corporation, it has been updated 8 times since 2008, reflecting limited change activity. This study is part of the global effort to build evidence for infectious disease interventions.

Status Flow

~Jan 2017 – ~Jun 2018 · 17 months · monthly snapshotCompleted~Jun 2018 – ~Jan 2021 · 31 months · monthly snapshotCompleted~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – ~Jan 2026 · 4 months · monthly snapshotCompleted~Jan 2026 – ~Feb 2026 · 31 days · monthly snapshotCompleted~Feb 2026 – present · 6 months · monthly snapshotCompleted

Change History

8 versions recorded
  1. Feb 2026 — Present [monthly]

    Completed PHASE3

  2. Jan 2026 — Feb 2026 [monthly]

    Completed PHASE3

  3. Sep 2025 — Jan 2026 [monthly]

    Completed PHASE3

  4. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE3

  5. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE3

Show 3 earlier versions
  1. Jan 2021 — Jul 2024 [monthly]

    Completed PHASE3

  2. Jun 2018 — Jan 2021 [monthly]

    Completed PHASE3

  3. Jan 2017 — Jun 2018 [monthly]

    Completed PHASE3

    First recorded

Dec 2008

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Tanabe Pharma Corporation
  • Vertex Pharmaceuticals Incorporated
Data source: Tanabe Pharma Corporation

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations