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Completed

NCT Number: NCT02666352

A Study of the Pharmacokinetics of Uprifosbuvir (MK-3682) and Ruzasvir (MK-8408) in Participants With Moderate and Severe Hepatic Insufficiency (MK-3682-029)

This is a non-randomized, open-label, single-dose study to evaluate the pharmacokinetics (PK) of uprifosbuvir (MK-3682), the M5 and M6 metabolites of uprifosbuvir, and ruzasvir (MK-8408), in participants with moderate hepatic insufficiency (HI), participants with severe HI, and age-matched healthy control participants.

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Key information

Conditions

Hepatitis C, Chronic Blood-Borne Infections Chronic Disease Communicable Diseases Digestive System Diseases Disease Attributes Flaviviridae Infections Hepatitis Hepatitis C Hepatitis, Chronic Hepatitis, Viral, Human Infections Liver Diseases Pathologic Processes Pathological Conditions, Signs and Symptoms RNA Virus Infections Virus Diseases

Age range

18 year–80 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

HI Participants Only:

  • Has a diagnosis of chronic (>6 months), stable (no acute episodes of illness within the previous 2 months due to deterioration in hepatic function) HI features of cirrhosis;
  • Part 1 only: Participant's score on the Child-Pugh scale ranges from 7 to 9 (moderate HI) at study start.
  • Part 2 only: Participant's score on the Child-Pugh scale ranges from 10 to 15 (severe HI) at study start.

All Participants:

  • Body mass index (BMI) ≥19 and ≤ 40 kg/m^2;
  • Continuous non-smokers or moderate smokers (of fewer than 20 cigarettes/day or the equivalent). Participants must agree to consume no more than 10 cigarettes or equivalent/day from the time of screening and throughout the period of sample collection;
  • Health is judged to be stable based on medical history (except for the hepatic impairment condition), physical examination, vital signs, electrocardiogram (ECGs), and laboratory safety tests;
  • For female participants of childbearing potential: either sexually inactive for 14 days prior to study start and throughout study or be using an acceptable birth control method;
  • Female participants who are sexually inactive, but become sexually active during the course of the study must agree to use a double physical barrier method (e.g., condom and diaphragm) and a chemical barrier (e.g., spermicide) from the time of the start of sexual activity through completion of the study;
  • Vasectomized or non-vasectomized male participants must agree to use a condom with spermicide or abstain from sexual intercourse from dosing until 90 days after dosing;
  • Male participants must agree not to donate sperm from dosing until 90 days after dosing;
  • Able to swallow multiple tablets and capsules.

Exclusion criteria

HI Participants Only:

  • Presence of moderate or severe renal insufficiency (estimated glomerular filtration rate [eGFR] ≤50 mL/min/1.73 m^2 calculated according to the Modification of Diet in Renal Disease [MDRD] study equation);
  • Presence of drug abuse within the past 6 months prior to dosing.

Healthy Participants Only:

  • Presence of moderate or severe renal insufficiency (eGFR ≤60 mL/min/1.73 m^2 calculated according to the MDRD study equation);
  • History or presence of alcoholism or drug abuse within the past 2 years prior to dosing;

All Participants:

  • Is mentally or legally incapacitated or has significant emotional problems at the time of study start or expected during the study;
  • History or presence of clinically significant medical or psychiatric condition or disease;
  • History or presence of hypersensitivity or idiosyncratic reaction to the study drugs or related compounds;
  • Female participants who are pregnant or lactating;
  • Positive results at study start for human immunodeficiency virus (HIV), hepatitis B surface antigen (HBsAg) or hepatitis C virus (HCV);
  • Unable to refrain from or anticipates the use of any medication or substance (including prescription or over-the-counter, vitamin supplements, natural or herbal supplements) for the prohibited time period;
  • Has taken amiodarone at any time in their life;
  • Donation of blood >500 mL or had significant blood loss within 56 days prior to the dose of study drugs;
  • Plasma donation within 7 days prior to the dose of study drugs;
  • Dosed in another clinical trial within 28 days prior to dosing of study drugs;

Treatment and study plan

Uprifosbuvir

Drug

A single dose of uprifosbuvir 450 mg (given as three 150-mg tablets) taken by mouth.

Other names: MK-3682

Ruzasvir

Drug

A single dose of ruzasvir 60 mg (given as six 10-mg capsules) taken by mouth.

Other names: MK-8408

Primary outcomes

  1. Area Under the Drug Plasma Concentration-Time Curve From Start of Dosing to Time of the Last Quantifiable Sample (AUC0-last) of Uprifosbuvir

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    AUC0-last is a measure of the mean plasma drug concentration from time of dosing to the last quantifiable sample. The AUC0-last for uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  2. Area Under the Drug Plasma Concentration-Time Curve From Start of Dosing to Infinity (AUC0-inf) of Uprifosbuvir

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    AUC0-inf is a measure of the mean plasma drug concentration from time of dosing to infinity. The AUC0-inf for uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  3. Area Under the Plasma Drug Concentration-Time Curve From Start of Dosing to 24 Hours Post-Dose (AUC0-24hr) of Uprifosbuvir

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, and 24 hours post-dose

    AUC0-24hr is a measure of the mean plasma drug concentration from time of dosing to 24 hours post-dose. The AUC0-24hr for uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  4. Maximum Plasma Drug Concentration (Cmax) of Uprifosbuvir

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    Cmax is the maximum observed plasma drug concentration after dosing. The Cmax for uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  5. Plasma Drug Concentration at 24 Hours (C24hr) of Uprifosbuvir

    Time frame: 24 hours post-dose

    C24hr is a measure of plasma drug concentration 24 hours after dosing. The C24hr of uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  6. Time to Reach Cmax (Tmax) of Uprifosbuvir

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    Tmax is the time required to reach maximum plasma drug concentration (i.e., Cmax). The Tmax for uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  7. Apparent Terminal Half-Life (t1/2) of Uprifosbuvir

    Time frame: Pre-dose (0) and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    t1/2 is a measure of how long it takes to clear 50% of drug after reaching Cmax. The t1/2 for uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  8. Apparent Total Clearance From Plasma After Oral Administration (CL/F) of Uprifosbuvir

    Time frame: Pre-dose (0) and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    CL/F is a measure of the apparent rate at which drug is removed from the body via renal, hepatic, and other clearance pathways after oral administration. The CL/F of uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  9. Apparent Volume of Distribution During the Terminal Phase After Extravascular Administration (Vz/F) of Uprifosbuvir

    Time frame: Pre-dose (0) and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    Vz/F is the apparent volume of distribution during the terminal phase after non-intravenous administration. The Vz/F of uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  10. AUC0-last of Uprifosbuvir Metabolite M5

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    AUC0-last is a measure of the mean plasma drug concentration from time of dosing to the last quantifiable sample. The AUC0-last for the M5 metabolite of uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  11. AUC0-inf of Uprifosbuvir Metabolite M5

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    AUC0-inf is a measure of the mean plasma drug concentration from time of dosing to infinity. The AUC0-inf for the M5 metabolite of uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  12. AUC0-24hr of Uprifosbuvir Metabolite M5

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, and 24 hours post-dose

    AUC0-24hr is a measure of the mean plasma drug concentration from time of dosing to 24 hours post-dose. The AUC0-24hr for the M5 metabolite of uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  13. Cmax of Uprifosbuvir Metabolite M5

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    Cmax is the maximum observed plasma drug concentration after dosing. The Cmax for the M5 metabolite of uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  14. C24hr of Uprifosbuvir Metabolite M5

    Time frame: 24 hours post-dose

    C24hr is a measure of plasma drug concentration 24 hours after dosing. The C24hr of the M5 metabolite of uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  15. Lag Time (Tlag) for Uprifosbuvir Metabolite M5

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    Tlag is a measure of the time delay between drug administration and the onset of absorption, where onset of absorption is defined as "the time point prior to the first observed/measured non-zero plasma concentration". The Tlag of the M5 metabolite of uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm (in this study Tlag was only calculated for the M5 uprifosbuvir metabolite).

  16. Tmax of Uprifosbuvir Metabolite M5

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    Tmax is the time required to reach maximum plasma drug concentration (i.e., Cmax). The Tmax for the M5 metabolite of uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  17. Apparent t1/2 of Uprifosbuvir Metabolite M5

    Time frame: Pre-dose (0) and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    Apparent t1/2 is a measure of how long it takes to clear 50% of drug after reaching Cmax. The t1/2 for the M5 metabolite of uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  18. AUC0-last of Uprifosbuvir Metabolite M6

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    AUC0-last is a measure of the mean plasma drug concentration from time of dosing to the last quantifiable sample. The AUC0-last for the M6 metabolite of uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  19. AUC0-inf of Uprifosbuvir Metabolite M6

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    AUC0-inf is a measure of the mean plasma drug concentration from time of dosing to infinity. The AUC0-inf for the M6 metabolite of uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  20. AUC0-24hr of Uprifosbuvir Metabolite M6

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, and 24 hours post-dose

    AUC0-24hr is a measure of the mean plasma drug concentration from time of dosing to 24 hours post-dose. The AUC0-24hr for the M6 metabolite of uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  21. Cmax of Uprifosbuvir Metabolite M6

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    Cmax is the maximum observed plasma drug concentration after dosing. The Cmax for the M6 metabolite of uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  22. C24hr of Uprifosbuvir Metabolite M6

    Time frame: 24 hours post-dose

    C24hr is a measure of plasma drug concentration 24 hours after dosing. The C24hr of the M6 metabolite of uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  23. Tmax of Uprifosbuvir Metabolite M6

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    Tmax is the time required to reach maximum plasma drug concentration (i.e., Cmax). The Tmax for the M6 metabolite of uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  24. Apparent t1/2 of Uprifosbuvir Metabolite M6

    Time frame: Pre-dose (0) and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    Apparent t1/2 is a measure of how long it takes to clear 50% of drug after reaching Cmax. The t1/2 for the M6 metabolite of uprifosbuvir 450 mg (given in combination with ruzasvir 60 mg) was calculated for each arm.

  25. AUC0-last of Ruzasvir

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    AUC0-last is a measure of the mean plasma drug concentration from time of dosing to the last quantifiable sample. The AUC0-last for ruzasvir 60 mg (given in combination with uprifosbuvir 450 mg) was calculated for each arm.

  26. AUC0-inf of Ruzasvir

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    AUC0-inf is a measure of the mean plasma drug concentration from time of dosing to infinity. The AUC0-inf for ruzasvir 60 mg (given in combination with uprifosbuvir 450 mg) was calculated for each arm.

  27. AUC0-24hr of Ruzasvir

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, and 24 hours post-dose

    AUC0-24hr is a measure of the mean plasma drug concentration from time of dosing to 24 hours post-dose. The AUC0-24hr for ruzasvir 60 mg (given in combination with uprifosbuvir 450 mg) was calculated for each arm.

  28. Maximum Plasma Drug Concentration (Cmax) of Ruzasvir

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    Cmax is the maximum observed plasma drug concentration after dosing. The Cmax for ruzasvir 60 mg (given in combination with uprifosbuvir 450 mg) was calculated for each arm.

  29. C24hr of Ruzasvir

    Time frame: 24 hours post-dose

    C24hr is a measure of plasma drug concentration 24 hours after dosing. The C24hr of ruzasvir 60 mg (given in combination with uprifosbuvir 450 mg) was calculated for each arm.

  30. Tmax of Ruzasvir

    Time frame: Pre-dose (0), and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    Tmax is the time required to reach maximum plasma drug concentration (i.e., Cmax). The Tmax of ruzasvir 60 mg (given in combination with uprifosbuvir 450 mg) was calculated for each arm.

  31. Apparent t1/2 of Ruzasvir

    Time frame: Pre-dose (0) and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    Apparent t1/2 is a measure of how long it takes to clear 50% of drug after reaching Cmax. The t1/2 for ruzasvir 60 mg (given in combination with uprifosbuvir 450 mg) was calculated for each arm.

  32. CL/F of Ruzasvir

    Time frame: Pre-dose (0) and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    CL/F is a measure of the apparent rate at which drug is removed from the body via renal, hepatic, and other clearance pathways after oral administration. The CL/F of ruzasvir 60 mg (given in combination with uprifosbuvir 450 mg) was calculated for each arm.

  33. Vz/F of Ruzasvir

    Time frame: Pre-dose (0) and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 14, 16, 18, 20, 24, 48, 72, 96, and 120 hours post-dose

    Vz/F is the apparent volume of distribution during the terminal phase after non-intravenous administration. The Vz/F of ruzasvir 60 mg (given in combination with uprifosbuvir 450 mg) was calculated for each arm.

Sponsors and collaborators

Lead sponsor

Merck Sharp & Dohme LLC

Industry

Registry information

Official study title

A Two-Part, Open-Label Study to Investigate the Single-Dose Pharmacokinetics of MK-3682 and MK-8408 When Coadministered to Subjects With Moderate and Severe Hepatic Insufficiency

Important dates

Study start
2016
Primary completion
2017
Study completion
2017
First posted
Jan 28, 2016
Registry last updated
Sep 17, 2018

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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