A Phase 1, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Immunogenicity of Single Ascending Doses and Multiple Doses of ABBV-313

Inclusion Criteria: * BMI is \>= 18.0 to \<= 29.9 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. * 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 any clinically significant sensitivity or allergy to any medication or food. * History of any clinically significant illness/infection/major febrile illness, hospitalization, or any surgical procedure within 30 days…