The purpose of the study is to assess the effects of BMS-986278 on Drospirenone (DRSP) and Ethinyl Estradiol (EE) when administered as a combined oral contraceptive in healthy female participants.

Inclusion Criteria:

• Body mass index between 18.0 and 32.0 kilograms/meter square (kg/m^2), inclusive.
• Body weight ≥ 45 kg.
• Healthy females, as determined by physical examination and clinical laboratory assessments (including chemistry, hematology, coagulation, and urinalysis) within the normal range at the screening visit and on Day -1, as applicable.

Exclusion Criteria:

• Any significant acute or chronic medical illness.
• Any gastrointestinal (GI) disease or surgery (including cholecystectomy) or other procedures (eg, bariatric procedures) that could affect drug absorption, distribution, metabolism, and excretion. Note: Appendectomy is allowed (12 months prior to screening).
• Any other clinically significant medical, psychiatric, and/or social reason, or other active issues, especially eye issues, as determined by the investigator.

Note: Other protocol-defined inclusion/exclusion criteria apply.

BMS will provide access to individual anonymized participant data upon request from qualified researchers, and subject to certain criteria. Additional information regarding Bristol Myers Squibb's data sharing policy and process can be found at: https://www.bms.com/researchers-and-partners/clinical-trials-and-research/disclosure-commitment.html