A Study to Test Bioavailability of of 2 New Formulations of UCB0599 in Healthy Participants in Part A and to Test Safety, Tolerability, and Pharmacokinetic (PK) of UCB0599 in Healthy Japanese and Chinese Participants in Part B

Inclusion Criteria: * Part A only: all healthy study participants except for those participants who are eligible for Part B of the study * For participants of Japanese origin (Part B): study participant is of Japanese descent as evidenced by appearance and verbal confirmation of familial heritage (a participant has all 4 Japanese grandparents born in Japan). For participants of Chinese origin (Part B): study participant is of Chinese descent as evidenced by appearance and verbal confirmation of familial heritage (a participant has all 4 Chinese grandparents born in China). * Body weight within 45 to 100 kg (female) and 50 to 100 kg (male) and body mass index (BMI) within the range 18 to 30 kg/m\^2 (inclusive at screening) * Healthy male and female study participants Exclusion Criteria: * Participant has any medical or psychiatric condition that, in the opinion of the Investigator, could jeopardize or would compromise the study participant's ability to participate in this study * Participant has a history or presence of/significant history of cardiovascular, respiratory, hepatic, renal, gastrointestinal, endocrinological, hematological, or neurological disorders capable of significantly altering the absorption, metabolism, or elimination of drugs; constituting a risk when taking the study intervention; or interfering with the interpretation of data * Participant has had lymphoma, leukemia, or any malignancy within the past 5 years, except for basal cell carcinomas that have…