AFA-281

This study will evaluate the safety and exploratory efficacy of AFA-281 in patients with Alcohol use disorder on cravings, subjective response to alcohol, pain thresholds, anxiety, depression, and sleep.

Phase I Part 1 (single ascending dose):
Double-blind dosing will occur in healthy volunteers in 4 cohorts of 8 subjects each. Six subjects in each cohort will be randomized to receive AFA-281 and 2 subjects will be randomized to receive the matching placebo. At the end of the Part 1 study is to evaluate the safety and tolerability of AFA-281. Following completion of each cohort, bioanalytical analyses will be conducted to evaluate the pharmacokinetic profile.
Phase I Part 2 (multiple dose for 14 days):
Pending the results from Part 1, healthy volunteers will be administered AFA-281 for 14 to 21 consecutive days in 3 cohorts. At scheduled intervals after dosing, and at the end of the cohort's study period to evaluate the safety and tolerability and the pharmacokinetic profile of AFA-281.