Conditions: Polysomnography
Allocation: RANDOMIZED | Intervention model: CROSSOVER
Enrollment: 20
Healthy volunteers: yes

Brief summary:
The purpose of this randomized, double-blind, placebo-controlled, 5-period crossover study is to assess the effect of single oral doses of MK-1064 on latency to persistent sleep (LPS) as measured by polysomnography (PSG) in healthy young male participants, and to evaluate the safety and tolerability of single oral doses of MK-1064 and MK-6096 in healthy young male participants. The primary efficacy hypothesis is that at least one dose of MK-1064 is superior to placebo in decreasing LPS in healthy male participants as assessed by PSG.

Detailed description:

Arms:
arm 1: For overall study population, 5 participants each were to be allocated to one of 4 sequences. In this sequence, participants received the following: Period 1 - single dose of 50 mg MK-1064, Period 2 - single dose of 250 mg MK-1064, Period 3 - single dose of placebo, Period 4 - single dose of 120 mg MK-1064. Participants completing the first 4 periods also were to receive the following: Period 5 - single dose of 20 mg MK-6096 or placebo, in an 18:2 ratio for overall study population, according to separate allocation. There was a minimum 7-day washout between doses. arm 2: For overall study population, 5 participants each were to be allocated to one of 4 sequences. In this sequence, participants received the following: Period 1 - single dose of placebo, Period 2 - single dose of 50 mg MK-1064, Period 3 - single dose of 120 mg MK-1064, Period 4 - single dose of 250 mg MK-1064. Participants completing the first 4 periods also were to receive the following: Period 5 - single dose of 20 mg MK-6096 or placebo, in an 18:2 ratio for overall study population, according to separate allocation. There was a minimum 7-day washout between doses. arm 3: For overall study population, 5 participants each were to be allocated to one of 4 sequences. In this sequence, participants received the following: Period 1 - single dose of 120 mg MK-1064, Period 2 - single dose of placebo, Period 3 - single dose of 250 mg MK-1064, Period 4 - single dose of 50 mg MK-1064. Participants completing the first 4 periods also were to receive the following: Period 5 - single dose of 20 mg MK-6096 or placebo, in an 18:2 ratio for overall study population, according to separate allocation. There was a minimum 7-day washout between doses. arm 4: For overall study population, 5 participants each were to be allocated to one of 4 sequences. In this sequence, participants received the following: Period 1 - single dose of 250 mg MK-1064, Period 2 - single dose of 120 mg MK-1064, Period 3 - single dose of 50 mg MK-1064, Period 4 - single dose of placebo. Participants completing the first 4 periods also were to receive the following: Period 5 - single dose of 20 mg MK-6096 or placebo, in an 18:2 ratio for overall study population, according to separate allocation. There was a minimum 7-day washout between doses.

Interventions: intervention 1: MK-1064 intervention 2: MK-6096 intervention 3: Placebo
Intervention descriptions: intervention 1: Oral MK-1064 tablets (10 and 50 mg strengths) intervention 2: Oral MK-6096 tablets (5 mg strength) intervention 3: Oral placebo tablets (matching active MK-1064 tablets, matching active MK-6096 tablets)

Protocol document: