NCT00591214

Brief Summary

The purpose of this study is to assess the safety, pharmacokinetics and HCV(Hepatitis C virus) RNA (Ribonucleic Acid) kinetics after administration of MP-424 to patients with chronic hepatitis C.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
10

participants targeted

Target at below P25 for phase_1

Timeline
Completed

Started Dec 2007

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, 2007

Completed
25 days until next milestone

First Submitted

Initial submission to the registry

December 26, 2007

Completed
16 days until next milestone

First Posted

Study publicly available on registry

January 11, 2008

Completed
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 1, 2008

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

October 1, 2008

Completed
4.1 years until next milestone

Results Posted

Study results publicly available

October 22, 2012

Completed
Last Updated

January 6, 2026

Status Verified

December 1, 2025

Enrollment Period

10 months

First QC Date

December 26, 2007

Results QC Date

September 19, 2012

Last Update Submit

December 15, 2025

Conditions

Keywords

Chronic Hepatitis CProtease Inhibitor

Outcome Measures

Primary Outcomes (5)

  • Cmax (Maximum Observed Concentration in Plasma) of MP-424

    Date were collected at Day1 (0 (pre-dose), 1 ,2.5, 4, 6, 8, 12, 16 hours post-dose), Day14 (0 (pre-dose), 1, 2.5, 4, 6, 8, 12, 16 hours post-dose) and Day85 (0 (pre-dose), 1, 2.5, 4, 6, 8, 12, 16, 24 hours post-dose). Date as pre-dose were collected at Day2, Day3, Day8, Day15, Day29, Day43 and Day57.

    Date were collected at Day1 to Day85

  • Tmax (Time of Maximum Plasma Concentration) of MP-424

    Date were collected at Day1 (0 (pre-dose), 1 ,2.5, 4, 6, 8, 12, 16 hours post-dose), Day14 (0 (pre-dose), 1, 2.5, 4, 6, 8, 12, 16 hours post-dose) and Day85 (0 (pre-dose), 1, 2.5, 4, 6, 8, 12, 16, 24 hours post-dose). Date as pre-dose were collected at Day2, Day3, Day8, Day15, Day29, Day43 and Day57.

    Date were collected at Day1 to Day85

  • AUC 0-8h (Area Under the Concentration-time Curve From Time Zero to 8 Hours) of MP-424

    Date were collected at Day1 (0 (pre-dose), 1 ,2.5, 4, 6, 8, 12, 16 hours post-dose), Day14 (0 (pre-dose), 1, 2.5, 4, 6, 8, 12, 16 hours post-dose) and Day85 (0 (pre-dose), 1, 2.5, 4, 6, 8, 12, 16, 24 hours post-dose). Date as pre-dose were collected at Day2, Day3, Day8, Day15, Day29, Day43 and Day57.

    Date were collected at Day1 to Day85

  • Ctrough (Plasma Trough Concentration) of MP-424

    Date were collected at Day1 (0 (pre-dose), 1 ,2.5, 4, 6, 8, 12, 16 hours post-dose), Day14 (0 (pre-dose), 1, 2.5, 4, 6, 8, 12, 16 hours post-dose) and Day85 (0 (pre-dose), 1, 2.5, 4, 6, 8, 12, 16, 24 hours post-dose). Date as pre-dose were collected at Day2, Day3, Day8, Day15, Day29, Day43 and Day57.

    Date were collected at Day1 to Day85

  • t1/2 (Half Life Period) of MP-424

    Date were collected at Day1 (0 (pre-dose), 1 ,2.5, 4, 6, 8, 12, 16 hours post-dose), Day14 (0 (pre-dose), 1, 2.5, 4, 6, 8, 12, 16 hours post-dose) and Day85 (0 (pre-dose), 1, 2.5, 4, 6, 8, 12, 16, 24 hours post-dose). Date as pre-dose were collected at Day2, Day3, Day8, Day15, Day29, Day43 and Day57.

    Date were collected at Day1 to Day85

Secondary Outcomes (1)

  • Change in HCV RNA Levels of MP-424

    Day1 (2.5, 4, 8, 16 hours), Day2, Day3, Day8, Day14, Day29, Day43, Day57 and Day86

Study Arms (1)

MP-424

EXPERIMENTAL
Drug: MP-424 (Telaprevir)

Interventions

Three tablets of MP-424 250mg tablet at a time, every 8 hours, 12 weeks administration (dose in a day: 2250 mg)

MP-424

Eligibility Criteria

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

You may qualify if:

  • Patients diagnosed with genotype 1b chronic hepatitis C
  • Patients naive to the concomitant medications with interferon

You may not qualify if:

  • Patients diagnosed with decompensated cirrhosis
  • Patients diagnosed with positive HBs(Hepatitis B virus surface) antigen in the test

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Toranomon Hospital

Kawasaki, Takatsu-ku, Japan

Location

Related Publications (1)

  • Yamada I, Suzuki F, Kamiya N, Aoki K, Sakurai Y, Kano M, Matsui H, Kumada H. Safety, pharmacokinetics and resistant variants of telaprevir alone for 12 weeks in hepatitis C virus genotype 1b infection. J Viral Hepat. 2012 Feb;19(2):e112-9. doi: 10.1111/j.1365-2893.2011.01514.x. Epub 2011 Oct 7.

MeSH Terms

Conditions

Hepatitis C, Chronic

Interventions

telaprevir

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

Results Point of Contact

Title
Clinical Trials, Information Desk
Organization
Tanabe Pharma Corporation

Study Officials

  • Fumitaka Suzuki, MD

    Department of Hepatology, Toranomon Hospital

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 1
Allocation
NA
Masking
NONE
Purpose
OTHER
Intervention Model
SINGLE GROUP
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 26, 2007

First Posted

January 11, 2008

Study Start

December 1, 2007

Primary Completion

October 1, 2008

Study Completion

October 1, 2008

Last Updated

January 6, 2026

Results First Posted

October 22, 2012

Record last verified: 2025-12

Locations