NCT01753570

Brief Summary

This study will evaluate the efficacy and safety of MP-424 with IFN beta and RBV in patients with genotype 1/2 hepatitis C, who are treatment-naïve or have received its treatment before.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
74

participants targeted

Target at below P25 for phase_3

Timeline
Completed

Started Dec 2012

Typical duration for phase_3

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

December 1, 2012

Completed
12 days until next milestone

First Submitted

Initial submission to the registry

December 13, 2012

Completed
7 days until next milestone

First Posted

Study publicly available on registry

December 20, 2012

Completed
2.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 1, 2015

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

October 1, 2015

Completed
3.1 years until next milestone

Results Posted

Study results publicly available

October 26, 2018

Completed
Last Updated

January 6, 2026

Status Verified

December 1, 2025

Enrollment Period

2.8 years

First QC Date

December 13, 2012

Results QC Date

July 20, 2017

Last Update Submit

December 15, 2025

Conditions

Keywords

Feron

Outcome Measures

Primary Outcomes (1)

  • Undetectable HCV (Hepatitis C Virus) RNA (Ribonucleic Acid) at 24 Weeks After Completion of Drug Administration (SVR, Sustained Viral Response)

    72 weeks(RBV+IFN beta), 48 weeks(MP-424+RBV+IFN beta)

Secondary Outcomes (5)

  • Undetectable HCV RNA at 4 Weeks After Beginning of Drug Administration (RVR, Rapid Viral Response)

    4 weeks

  • Undetectable HCV RNA at Completion of Drug Administration (ETR, End-of-treatment Response)

    48 weeks(RBV+IFN beta), 24 weeks(MP-424+RBV+IFN beta)

  • Undetectable HCV RNA at 12 Weeks After Completion of Drug Administration

    60 weeks(RBV+IFN beta), 36 weeks(MP-424+RBV+IFN beta)

  • Transition of Serum HCV RNA Levels

    Baseline,Day2,Day3,1Week,2Weeks,3Weeks,4Weeks,12Weeks,End of treatment,Follow-up 12weeks,Follow-up 24weeks

  • Number of Participants With the Emergence of Resistance-associated Variants After MP-424 Administration at the Non-structural 3 Protease Region of HCV.

    From baseline to 24 weeks after completion of drug administration

Study Arms (3)

MP-424+RBV+IFN beta, Genotype1

EXPERIMENTAL
Drug: MP-424Drug: RBV(24 weeks)Drug: IFN beta(24 weeks)

RBV+IFN beta, Genotype1

EXPERIMENTAL
Drug: RBV(48 weeks)Drug: IFN beta(48 weeks)

MP-424+RBV+IFN beta, Genotype2

EXPERIMENTAL
Drug: MP-424Drug: RBV(24 weeks)Drug: IFN beta(24 weeks)

Interventions

RBV: 600 - 1000mg/day based on body weight for 24 weeks

MP-424+RBV+IFN beta, Genotype1MP-424+RBV+IFN beta, Genotype2

IFN beta: 600 MIU/day,6 days/week for initial 4 weeks following to 3 days/week for 24 weeks

MP-424+RBV+IFN beta, Genotype1MP-424+RBV+IFN beta, Genotype2

RBV: 600 - 1000mg/day based on body weight for 48 weeks

RBV+IFN beta, Genotype1

IFN beta: 600 MIU/day,6 days/week for initial 4 weeks following to 3 days/week for 48 weeks

RBV+IFN beta, Genotype1
MP-424DRUG

MP-424: 750mg every 8 hours (q8h) for 12 weeks

MP-424+RBV+IFN beta, Genotype1MP-424+RBV+IFN beta, Genotype2

Eligibility Criteria

Age20 Years - 70 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Genotype 1 or 2, chronic hepatitis C, with depression(including the past)
  • Treatment-naïve(Genotype 1 only) or patient who have ever had previous IFN based treatment
  • Able and willing to follow contraception requirements

You may not qualify if:

  • Cirrhosis of the liver or hepatic failure
  • Hepatitis B surface antigen-positive or HIV antibodies-positive
  • History of, or concurrent hepatocellular carcinoma
  • History of, or concurrent serious depression, schizophrenia, or suicide attempt in the past
  • Pregnant, lactating, or suspected pregnant patients, or male patients whose female partner is pregnant

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Toranomon Hospital

Kawasaki, Takatsu-ku, 213-8587, Japan

Location

Related Publications (1)

  • Kumada H, Mochida S, Nakamuta M, Suzuki F, Yagi T, Takasaki R, Okai M, Kamiya N, Okada Y, Hirota S, Orihashi M, Ochi M, Chayama K. Efficacy and safety of telaprevir with natural human interferon-beta and ribavirin in Japanese chronic hepatitis C patients with depression. Hepatol Res. 2018 Feb;48(2):184-192. doi: 10.1111/hepr.12914. Epub 2017 Jul 19.

MeSH Terms

Conditions

Hepatitis C, Chronic

Interventions

RibavirinInterferon-beta

Condition Hierarchy (Ancestors)

Hepatitis CBlood-Borne InfectionsCommunicable DiseasesInfectionsHepatitis, Viral, HumanVirus DiseasesFlaviviridae InfectionsRNA Virus InfectionsHepatitis, ChronicHepatitisLiver DiseasesDigestive System DiseasesChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

RibonucleosidesNucleosidesNucleic Acids, Nucleotides, and NucleosidesInterferon Type IInterferonsCytokinesIntercellular Signaling Peptides and ProteinsPeptidesAmino Acids, Peptides, and ProteinsProteinsBiological Factors

Results Point of Contact

Title
Clinical Trials, Information Desk
Organization
Tanabe Pharma Corporation

Study Officials

  • Kazuoki Kondo, M.D.

    Tanabe Pharma Corporation

    STUDY DIRECTOR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 13, 2012

First Posted

December 20, 2012

Study Start

December 1, 2012

Primary Completion

October 1, 2015

Study Completion

October 1, 2015

Last Updated

January 6, 2026

Results First Posted

October 26, 2018

Record last verified: 2025-12

Locations