A Phase 1, Double-blind, Placebo-controlled, First-in-human Trial to Evaluate the Safety, Tolerability, and Pharmacokinetics of Single Ascending Doses of ABBV-1042 in Healthy Subjects

Inclusion Criteria: * BMI is ≥ 18.0 to ≤ 32.0 kg/m2 after rounding to the tenths decimal at Screening. BMI is calculated as weight in kg divided by the square of height measured in meters. * Body weight ˃ 45 kg at the time of screening and upon initial confinement. * A condition of general good health, based upon the results of a medical history, physical examination, vital signs, laboratory profile and a 12-lead ECG Exclusion Criteria: * History of suicidal ideation within one year prior to study treatment administration and/or history of suicidal behavior or non-suicidal self-injury withi…