Status:

COMPLETED

Single-Dose Islatravir in Moderate Hepatic Impairment (MK-8591-030)

Lead Sponsor:

Merck Sharp & Dohme LLC

Conditions:

Human Immunodeficiency Virus (HIV) Infection

Eligibility:

All Genders

18-75 years

Phase:

PHASE1

Brief Summary

This is an open-label, single-dose study of the plasma pharmacokinetics (PK), safety, and tolerability of islatravir (ISL, MK-8591), and the intracellular PK of ISL triphosphate (ISL-TP) in male and f...

Eligibility Criteria

Inclusion

  • Healthy Control Participants:
  • Is in good health based on medical history, physical examination, vital sign (VS) measurements and electrocardiograms (ECGs) performed prior to randomization
  • Is in good health based on laboratory safety tests obtained at the screening visit and prior to administration of the initial dose of study drug.
  • Has a body mass index (BMI) ≥18.5 and ≤40 kg/m2
  • Hepatic Impairment Participants:
  • Has a diagnosis of chronic (\> 6 months), stable (no acute episodes of illness within the previous 2 months due to deterioration in hepatic function) hepatic insufficiency with features of cirrhosis due to any etiology
  • Has a score on the Child-Pugh scale ranging from 7 to 9 (moderate hepatic insufficiency) at screening
  • With the exception of hepatic impairment, is in generally good health
  • Has a BMI ≥ 18.5 and ≤ 40 kg/m2
  • Healthy and Hepatic Impairment Participants:
  • Males : uses contraception according to local regulations
  • Females: is not pregnant or breastfeeding and one of the following applies:
  • Is not a woman of childbearing potential (WOCBP) OR
  • Is a WOCBP and uses an acceptable contraceptive method
  • A WOCBP with negative highly sensitive pregnancy test within 24 hours of study intervention

Exclusion

  • Has a history of clinically significant endocrine, gastrointestinal, cardiovascular, hematological, hepatic, immunological, renal, respiratory, genitourinary, or major neurological (including stroke and chronic seizures) abnormalities or diseases
  • Is mentally or legally incapacitated, has significant emotional problems at the time of prestudy (screening) visit or expected during the conduct of the study or has a history of clinically significant psychiatric disorder of the last 5 years
  • Has a history of cancer (malignancy)
  • Has a history of significant multiple and/or severe allergies, or has had an anaphylactic reaction or significant intolerability (ie, systemic allergic reaction) to prescription or non-prescription drugs or food
  • Has known hypersensitivity to the active substance or any of the excipients of the study drug
  • Is positive for hepatitis B surface antigen, hepatitis C antibodies, HIV-1 or HIV-2
  • Had major surgery, donated or lost 1 unit of blood (approximately 500 mL) within 4 weeks prior to the prestudy (screening) visit
  • Is unable to refrain from or anticipates the use of any medication, including prescription and nonprescription drugs or herbal remedies beginning approximately 2 weeks (or 5 half-lives) prior to study drug administration, throughout the study, until the poststudy visit
  • Has participated in another investigational study within 4 weeks (or 5 half-lives, whichever is greater) prior to the prestudy (screening) visit
  • Has a QTc interval \>470 for males or \>480 ms for females, has a history of risk factors for Torsades de Pointes (eg, heart failure/cardiomyopathy or family history of long QT syndrome), has uncorrected hypokalemia or hypomagnesemia, is taking concomitant medications that prolong the QT/QTc interval
  • Is not considered low risk of having HIV infection
  • Is a smoker or user of electronic cigarettes and/or has used nicotine or nicotine-containing products (eg, nicotine patch) within 3 months of screening
  • Consumes greater than 3 glasses of alcoholic beverages per day
  • Consumes more than 6 caffeinated beverages per day
  • Is a regular user of illicit drugs or has a history of drug abuse within 2 years
  • Presents any concern to the investigator regarding safe study participation
  • Is unwilling to comply with study restrictions
  • Is or has an immediate family member who is investigational site or Sponsor staff directly involved with this study

Key Trial Info

Start Date :

November 5 2020

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

September 13 2021

Estimated Enrollment :

12 Patients enrolled

Trial Details

Trial ID

NCT04515641

Start Date

November 5 2020

End Date

September 13 2021

Last Update

July 17 2025

Active Locations (1)

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Clinical Pharmacology of Miami ( Site 0001)

Miami, Florida, United States, 33014