Pharmacokinetics of Suvorexant in Participants With Hepatic Insufficiency (MK-4305-017)
Insomnia, Hepatic Insufficiency
About this trial
This is an interventional treatment trial for Insomnia focused on measuring Hepatic Insufficiency
Eligibility Criteria
Inclusion Criteria for Hepatic Insufficiency Participants:
- Females of reproductive potential must have a negative pregnancy test and agree to use (and/or have their partner use) two acceptable methods of birth control
- Body Mass Index (BMI) ≤35 kg/m^2 prior to start of study
- Diagnosis of stable hepatic insufficiency
- Smoking is restricted to ≤10 cigarettes per day
Inclusion Criteria for Healthy Matched Participants:
- Females of reproductive potential must have a negative pregnancy test and agree to use (and/or have their partner use) two acceptable methods of birth control
- BMI within approximately 20% of that of his/her hepatic participant
- Participant is healthy
- Participant is matched by race, gender, age (+/- 5 yrs) to his/her hepatic participant enrolled in the study
- Smoking is restricted to ≤10 cigarettes per day
Exclusion Criteria for Hepatic Insufficiency Participants:
- Participant is mentally or legally incapacitated
- History of a clinically significant psychiatric disorder over the last 5 to 10 years
- Participant has a history of any illness not related to his/her hepatic insufficiency
- History of a persistent sleep abnormality occurring for at least three (3)
months
- Participant has a history of stroke, chronic seizures, or major neurological disorder
- History of clinically significant hematological, immunological, renal,
respiratory, or genitourinary abnormalities, uncomplicated kidney stones or childhood asthma
- History of cancer
- History of cataplexy
- Participant is a nursing mother
- Participant consumes >3 servings of alcohol a day
- Participant consumes >6 caffeine servings a day
- History of multiple and/or severe allergies
- Participant is currently using or has history of illegal drug use
- Participant has traveled across 3 or more time zones within 2 weeks of study participation
- Participant works a night shift and is not able to avoid night shift work within 1 week before each treatment visit
Exclusion Criteria for Healthy Matched Participants:
- Participant is mentally or legally incapacitated. History of a clinically significant psychiatric disorder over the last 5 to 10 years.
- Participant has a history of any illness
- History of a persistent sleep abnormality occurring for at least three (3) months
- Participant has a history of stroke, chronic seizures, or major neurological disorder
- History of clinically significant endocrine, gastrointestinal,
cardiovascular, hematological, immunological, renal, respiratory, or genitourinary abnormalities, uncomplicated kidney stones or childhood asthma
- History of cancer
- History of cataplexy
- Participant is a nursing mother
- Participant consumes >3 servings of alcohol a day
- Participant consumes >6 caffeine servings a day
- History of multiple and/or severe allergies
- Participant is currently using or has history of illegal drug use
- Participant has a history of any chronic and/or active hepatic disease
- Participant has traveled across 3 or more time zones within 2 weeks of study participation
- Participant works a night shift and is not able to avoid night shift work within 1 week before each treatment visit
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Experimental
Experimental
Experimental
Experimental
Participants with Moderate Hepatic Insufficiency (Part I)
Healthy Participants (Part I)
Participants with Mild Hepatic Insufficiency (Part II)
Healthy Participants (Part II)
Participants with moderate hepatic insufficiency will receive a single dose of 20 mg open-label suvorexant during Part I of the study.
Healthy participants matched to participants with moderate hepatic insufficiency will receive a single dose of 20 mg open-label suvorexant during Part I of the study.
Participants with mild hepatic insufficiency will receive a single dose of 20 mg open-label suvorexant during Part II of the study (if conducted).
Healthy participants matched to participants with mild hepatic insufficiency will receive a single dose of 20 mg open-label suvorexant during Part II of the study (if conducted).