This study focuses on treating patients with cancer using a combination of two medications: olaparib and cobicistat. The purpose is to determine if using a lower dose of olaparib together with cobicistat can work as effectively as using olaparib alone at its regular dose. Olaparib is a medication used to treat certain types of cancer, while cobicistat is a substance that can help prevent olaparib from being broken down in the body too quickly.
The study involves taking both medications by mouth. Patients will receive either the standard dose of olaparib alone or a reduced dose of olaparib combined with cobicistat. The maximum daily dose of olaparib will be 600 milligrams, while cobicistat will be given at up to 300 milligrams per day. The treatment may continue for an extended period, depending on how well it works for each patient.
During the study, doctors will monitor how the medications work together in the body and track any side effects that patients may experience. This research aims to find out if using the combination of medications at lower doses could make the treatment more tolerable for patients while potentially reducing its cost.



The Netherlands