This clinical trial is focused on studying a condition called myelofibrosis, which is a type of blood cancer that affects the bone marrow. The study is specifically looking at patients with intermediate or high risk of this disease. The trial will test a new treatment approach using a medication known as BMS-986158, both on its own and in combination with other medications called Ruxolitinib and Fedratinib. These medications are taken orally, meaning they are swallowed in the form of tablets or capsules.
The purpose of the study is to assess the safety and tolerability of these treatments. The study will be conducted in two parts. In the first part, the focus will be on finding the right dose of BMS-986158 when used with Ruxolitinib or Fedratinib. In the second part, the study will further explore the safety of these combinations and also test BMS-986158 as a standalone treatment. Participants will be monitored for any side effects and how well they tolerate the medications.
Throughout the study, participants will undergo regular assessments, including imaging tests like MRI or computed tomography (CT) scans, to measure changes in their condition. The study aims to provide valuable information on how these treatments can be used to manage myelofibrosis, potentially offering new options for patients with this challenging disease.



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