A Drug-Drug Interaction Study Between GDC-0853 and Midazolam, Itraconazole, Rosuvastatin, and Simvastatin

A 4-Part Phase 1 Study to Evaluate the Effect of GDC-0853 on the Pharmacokinetics of Midazolam, Rosuvastatin, and Simvastatin and the Effect of Itraconazole on the Pharmacokinetics of GDC-0853

The purpose of this study is to assess the potential for a drug interaction between GDC-0853 and midazolam, itraconazole, rosuvastatin, and simvastatin.

This will be a 4-part study, with each part being an open-label fixed-sequence evaluation conducted in healthy adult participants. Approximately 64 participants will be enrolled in this study.

Inclusion Criteria:

• Within body mass index range of 18 to 31 kilograms per square meter, inclusive
• Females will be non-pregnant, non-lactating, and either postmenopausal or surgically sterile
• Males will either be sterile or agree to use an approved method of contraception

Exclusion Criteria:

• Significant history or clinical manifestation of any significant metabolic, allergic/immunologic/immunodeficiency, dermatological, hepatic, renal, hematological, pulmonary, cardiovascular, gastrointestinal, neurological, or psychiatric disorder (as determined by the investigator)
• History of significant hypersensitivity, intolerance, or allergy to any drug compound, food, or other substance, unless approved by the investigator
• Participation in any other investigational study drug trial in which receipt of any investigational study drug occurred within 30 days or 5 half-lives, whichever is longer, prior to check in
• History of malignancy, except for appropriately treated carcinoma in situ of the cervix or non-melanoma skin carcinoma with 3-year disease-free follow up
• Any acute or chronic condition or any other reason that, in the opinion of the investigator, would limit the participant's ability to complete and/or participate in this clinical study