A Study of Modified Release Formulations of Danicopan in Healthy Adult Participants

Inclusion Criteria: * Body mass index of 18.0 to 30.0 kilograms/square meter. * Female participants of childbearing potential must either agree to abstinence or use of a highly effective method of contraception. * Male participants must either agree to abstinence or use of a condom plus an effective method of contraception. Exclusion Criteria: * Participants who have received any investigational medicinal product in a clinical research study within the previous 3 months. * History of any drug or alcohol abuse in the past 2 years; current tobacco/nicotine user or within the last 12 months; positive drugs of abuse test result. * Clinically significant laboratory abnormalities. * History of clinically significant cardiovascular, renal, hepatic, chronic respiratory or gastrointestinal disease, neurological or psychiatric disorder. * History or family history of meningococcal infection. * Serious adverse reaction or serious hypersensitivity to any drug or the formulation excipients. * Presence or history of clinically significant allergy requiring treatment. * Donation or loss of greater than 400 milliliters of blood within the previous 3 months. Note: Other inclusion/exclusion criteria may apply, per protocol.