Safety and PK Study of MP-424 to Treat Chronic Hepatitis C
A Phase I, Open-Label, Single-Dose Study of MP-424 in Patients With Genotype 1b Hepatitis C
1 other identifier
interventional
10
1 country
1
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
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_1
Started Dec 2007
1 active site
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
CompletedFirst Submitted
Initial submission to the registry
December 26, 2007
CompletedFirst Posted
Study publicly available on registry
January 11, 2008
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 1, 2008
CompletedStudy Completion
Last participant's last visit for all outcomes
October 1, 2008
CompletedResults Posted
Study results publicly available
October 22, 2012
CompletedJanuary 6, 2026
December 1, 2025
10 months
December 26, 2007
September 19, 2012
December 15, 2025
Conditions
Keywords
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
EXPERIMENTALInterventions
Three tablets of MP-424 250mg tablet at a time, every 8 hours, 12 weeks administration (dose in a day: 2250 mg)
Eligibility Criteria
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
- Tanabe Pharma Corporationlead
- Vertex Pharmaceuticals Incorporatedcollaborator
Study Sites (1)
Toranomon Hospital
Kawasaki, Takatsu-ku, Japan
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.
PMID: 22239508RESULT
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Clinical Trials, Information Desk
- Organization
- Tanabe Pharma Corporation
Study Officials
- PRINCIPAL INVESTIGATOR
Fumitaka Suzuki, MD
Department of Hepatology, Toranomon Hospital
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