To Evaluate the Effect of Ritonavir or Omeprazole on the Pharmacokinetics of Samatasvir (IDX719) in Healthy Participants (MK-1894-006)
Primary Purpose
Chronic Hepatitis C Infection
Status
Completed
Phase
Phase 1
Locations
Study Type
Interventional
Intervention
Samatasvir
Omeprazole
Ritonavir
Sponsored by

About this trial
This is an interventional treatment trial for Chronic Hepatitis C Infection focused on measuring HCV, Hepatitis C, antiviral drugs, liver
Eligibility Criteria
Inclusion Criteria:
- Read and signed the written informed consent form (ICF) after the nature of the study has been fully explained.
- All participants of childbearing potential must agree to use a double method of birth control (one of which must be a barrier) from Screening through at least 90 days after the last dose of the study drug.
Exclusion Criteria:
- Pregnant or breastfeeding.
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Arm Type
Experimental
Experimental
Arm Label
Samatasvir + Ritonavir
Samatasvir + Omeprazole
Arm Description
Days 1, 9 and 13: Healthy Volunteers will take samatasvir in the mornings under fed or fasted conditions with water. Days 5-16: Healthy Volunteers will take ritonavir in the mornings under fasted or fed conditions with water.
Days 1, 9 and 13: Healthy Volunteers will take samatasvir in the mornings under fasted conditions with water or Coke. Days 5-16: Healthy Volunteers will take omeprazole in the mornings under fasted conditions with water or Coke.
Outcomes
Primary Outcome Measures
Pharmacokinetic parameter: Area under the concentration-time curve (AUC) from time zero to last measurable concentration
Pharmacokinetic parameter: AUC from time zero to infinity
Pharmacokinetic parameter: Maximum observed drug concentration (Cmax)
Secondary Outcome Measures
Percentage of participants who experienced at least one serious adverse event
Percentage of participants who experienced at least one adverse event
Percentage of participants who experienced at least one Grade 1 - 4 laboratory abnormality
Full Information
NCT ID
NCT01813552
First Posted
March 13, 2013
Last Updated
January 21, 2016
Sponsor
Merck Sharp & Dohme LLC
1. Study Identification
Unique Protocol Identification Number
NCT01813552
Brief Title
To Evaluate the Effect of Ritonavir or Omeprazole on the Pharmacokinetics of Samatasvir (IDX719) in Healthy Participants (MK-1894-006)
Official Title
A Phase I, Randomized, Open-label Study to Evaluate the Effect of Ritonavir or Omeprazole on the Pharmacokinetics of IDX719 in Healthy Subjects
Study Type
Interventional
2. Study Status
Record Verification Date
January 2016
Overall Recruitment Status
Completed
Study Start Date
February 2013 (undefined)
Primary Completion Date
March 2013 (Actual)
Study Completion Date
March 2013 (Actual)
3. Sponsor/Collaborators
Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Merck Sharp & Dohme LLC
4. Oversight
Data Monitoring Committee
No
5. Study Description
Brief Summary
This study is designed to evaluate the potential for an effect of Ritonavir (Norvir®) or omeprazole (Prilosec®) on the pharmacokinetics of samatasvir and to assess the safety and tolerability of the study drugs when administered alone and in combination in healthy participants.
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Chronic Hepatitis C Infection
Keywords
HCV, Hepatitis C, antiviral drugs, liver
7. Study Design
Primary Purpose
Treatment
Study Phase
Phase 1
Interventional Study Model
Parallel Assignment
Masking
None (Open Label)
Allocation
Randomized
Enrollment
24 (Actual)
8. Arms, Groups, and Interventions
Arm Title
Samatasvir + Ritonavir
Arm Type
Experimental
Arm Description
Days 1, 9 and 13: Healthy Volunteers will take samatasvir in the mornings under fed or fasted conditions with water. Days 5-16: Healthy Volunteers will take ritonavir in the mornings under fasted or fed conditions with water.
Arm Title
Samatasvir + Omeprazole
Arm Type
Experimental
Arm Description
Days 1, 9 and 13: Healthy Volunteers will take samatasvir in the mornings under fasted conditions with water or Coke. Days 5-16: Healthy Volunteers will take omeprazole in the mornings under fasted conditions with water or Coke.
Intervention Type
Drug
Intervention Name(s)
Samatasvir
Intervention Description
Samatasvir 150 mg oral tablets (50mg x 3), single dose
Intervention Type
Drug
Intervention Name(s)
Omeprazole
Intervention Description
40 mg delayed-release oral capsules, once daily
Intervention Type
Drug
Intervention Name(s)
Ritonavir
Intervention Description
100 mg oral tablets, once daily
Primary Outcome Measure Information:
Title
Pharmacokinetic parameter: Area under the concentration-time curve (AUC) from time zero to last measurable concentration
Time Frame
0 hour (pre-dose) and post-dose at 0.5, 1, 2, 3, 4, 6, 8, 10, 12, 16, 24, 36, 48, 72, and 96 hours
Title
Pharmacokinetic parameter: AUC from time zero to infinity
Time Frame
0 hour (pre-dose) and post-dose at 0.5, 1, 2, 3, 4, 6, 8, 10, 12, 16, 24, 36, 48, 72, and 96 hours
Title
Pharmacokinetic parameter: Maximum observed drug concentration (Cmax)
Time Frame
0 hour (pre-dose) and post-dose at 0.5, 1, 2, 3, 4, 6, 8, 10, 12, 16, 24, 36, 48, 72, and 96 hours
Secondary Outcome Measure Information:
Title
Percentage of participants who experienced at least one serious adverse event
Time Frame
Up to 17 days
Title
Percentage of participants who experienced at least one adverse event
Time Frame
Up to 17 days
Title
Percentage of participants who experienced at least one Grade 1 - 4 laboratory abnormality
Time Frame
Up to 17 days
10. Eligibility
Sex
All
Minimum Age & Unit of Time
19 Years
Maximum Age & Unit of Time
65 Years
Accepts Healthy Volunteers
Accepts Healthy Volunteers
Eligibility Criteria
Inclusion Criteria:
Read and signed the written informed consent form (ICF) after the nature of the study has been fully explained.
All participants of childbearing potential must agree to use a double method of birth control (one of which must be a barrier) from Screening through at least 90 days after the last dose of the study drug.
Exclusion Criteria:
Pregnant or breastfeeding.
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Medical Director
Organizational Affiliation
Merck Sharp & Dohme LLC
Official's Role
Study Director
12. IPD Sharing Statement
Learn more about this trial
To Evaluate the Effect of Ritonavir or Omeprazole on the Pharmacokinetics of Samatasvir (IDX719) in Healthy Participants (MK-1894-006)
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