New obesity drug may affect birth control pills – study investigates

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Female (sex assigned at birth) of non-childbearing potential. * Age 18-64 years (both inclusive) at the time of signing the informed consent. * Body weight more than or equal to (≥) 60.0 kilogram (kg). * Considered to be generally healthy, except for overweight or obesity, based on the medical history, physical examination, and the results of vital signs, electrocardiogram and clinical laboratory tests performed during the screening visit, as judged by the investigator. Exclusion Criteria: * Known or suspected hypersensitivity to study intervention(s) or related products. * Use of any medication containing glucagon-like peptide 1 (GLP-1), glucose-dependent insulinotropic peptide (GIP), or amylin receptor agonism before screening. * Any contraindications for the use of the oral contraception used in the study according to the Altavera Product Information. * Use of hormone replacement therapy within 28 days before screening or intention to initiate treatment with hormone replacement therapy during the study. * Use of prescription medicinal products or non-prescription drugs, including any herbal medicine known to interfere with the metabolic CYP pathways, such as perikon (St. John's Wort), within 14 days (or within 5 half-lives of the medicinal product, whichever is longest) of screening, with the exception of use of routine vitamins (vitamins used within a normal dose reference interval), occasional use of acetaminophen, ibuprofen and acetylsalicylic acid, or topical medication not reaching systemic circulation. * Presence of clinically significant gastrointestinal disorders or symptoms of gastrointestinal disorders potentially affecting absorption of drugs or nutrients, or as judged by the investigator. * History of major surgical procedures involving the stomach potentially affecting absorption of trial products (e.g. subtotal and total gastrectomy, sleeve gastrectomy, gastric bypass surgery) or current presence of gastrointestinal implant.