A Study to Investigate the Safety, Tolerability, and Pharmacokinetics of UCB0942 in Healthy Japanese and Caucasian Subjects

Inclusion Criteria: * Subject is male or female and between 20 and 55 years of age (inclusive) * Subject is in good physical and mental health * Female subjects will use an efficient form of contraception for the duration of the study (unless menopausal) * Male subject agrees that, during the study period, when having sexual intercourse with a woman of childbearing potential, he will use an efficient barrier contraceptive AND that the respective partner will use an additional efficient contraceptive method * For Japanese subjects: Subject is of Japanese descent as evidenced by appearance and verbal confirmation of familial heritage (a subject has all 4 Japanese grandparents born in Japan) * For Caucasians: Subject is of Caucasian descent as evidenced by appearance and verbal confirmation of familial heritage (a subject has 4 Caucasian grandparents). Exclusion Criteria: At screening: * Previous study participation with another investigational medicinal product (IMP) within 3 months * History of alcohol/drug abuse * History of psychiatric condition and suicide attempt * Any medical condition unfit for study (including history of cancer) * History of hypersensitivity for IMP components * Taking concomitant medications * Positive for human immunodeficiency virus (HIV)/ hepatitis B virus (HBV)/ hepatitis C virus (HCV) * Abnormal liver function tests (LFTs), abnormal safety bloods/ vitals/ physical examination and electrocardiogram (ECG) findings * Positive for pregnancy test * Other protocol-defined exclusion criteria may apply