Title

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
  • Phase

    Phase 1
  • Study Type

    Interventional
  • Intervention/Treatment

    telaprevir ...
  • Study Participants

    10
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.
Study Started
Dec 31
2007
Primary Completion
Oct 31
2008
Study Completion
Oct 31
2008
Results Posted
Oct 22
2012
Estimate
Last Update
May 01
2014
Estimate

Drug MP-424 (Telaprevir)

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

MP-424 Experimental

Criteria

Inclusion Criteria:

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

Exclusion Criteria:

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

Summary

MP-424

All Events

Event Type Organ System Event Term MP-424

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.

MP-424

Day 1 (10 cases)

2.24
μg / mL (Mean)
Standard Deviation: 0.93

Day 14 (10 cases)

3.34
μg / mL (Mean)
Standard Deviation: 1.11

Day 85 (3 cases)

3.68
μg / mL (Mean)
Standard Deviation: 1.29

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.

MP-424

Day 1 (10 cases)

2.5
hours (Median)
Full Range: 2.3 to 7.92

Day 14 (10 cases)

2.49
hours (Median)
Full Range: 0.98 to 5.97

Day 85 (3 cases)

2.72
hours (Median)
Full Range: 2.68 to 4.0

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.

MP-424

Day 1 (10 cases)

11.6
μg x h /mL (Mean)
Standard Deviation: 4.74

Day 14 (10 cases)

22.31
μg x h /mL (Mean)
Standard Deviation: 8.29

Day 85 (3 cases)

23.98
μg x h /mL (Mean)
Standard Deviation: 9.45

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.

MP-424

Day1 (10 cases)

1.462
μg/mL (Mean)
Standard Deviation: 0.949

Day 14 (10 cases)

2.239
μg/mL (Mean)
Standard Deviation: 0.953

Day 85 (3 cases)

2.312
μg/mL (Mean)
Standard Deviation: 1.265

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.

MP-424

Day 14 (8 cases)

9.64
hours (Mean)
Standard Deviation: 6.14

Day 1 (7 cases)

5.57
hours (Mean)
Standard Deviation: 2.67

Day 85 (3 cases)

18.35
hours (Mean)
Standard Deviation: 22.91

Change in HCV RNA Levels of MP-424

Date were collected at Day -28, Day1 (0 (pre-dose), 2.5, 4, 8, 16 hours post-dose), Day2, Day3, Day8, Day14, Day29, Day43, Day57, Day86. Change Value was calculated as the each time point minus the baseline point which was averaged Day -28 and Day0-0hour(pre-dose)).

MP-424

Day 1_16h (10 cases)

-2.435
Log IU / mL (Mean)
Standard Deviation: 0.408

Day 1_2.5h (9 cases)

0.1
Log IU / mL (Mean)
Standard Deviation: 0.217

Day 14 (10 cases)

-4.895
Log IU / mL (Mean)
Standard Deviation: 0.675

Day 1_4h (10 cases)

-0.195
Log IU / mL (Mean)
Standard Deviation: 0.207

Day 1_8h (10 cases)

-1.115
Log IU / mL (Mean)
Standard Deviation: 0.376

Day 29 (10 cases)

-4.785
Log IU / mL (Mean)
Standard Deviation: 1.203

Day 2 before dosing (10 cases)

-2.955
Log IU / mL (Mean)
Standard Deviation: 0.323

Day 3 (10 cases)

-3.735
Log IU / mL (Mean)
Standard Deviation: 0.369

Day 43 (10 cases)

-3.815
Log IU / mL (Mean)
Standard Deviation: 1.344

Day 57 (5 cases)

-4.12
Log IU / mL (Mean)
Standard Deviation: 2.086

Day 8 (10 cases)

-4.505
Log IU / mL (Mean)
Standard Deviation: 0.633

Day 86 (3 cases)

-3.867
Log IU / mL (Mean)
Standard Deviation: 2.363

Age, Continuous

54
years (Mean)
Standard Deviation: 10.2

Sex: Female, Male

Overall Study

MP-424

Drop/Withdrawal Reasons

MP-424