A Study of Elritercept Alone or Together With Ruxolitinib in Adults With Myelofibrosis
Trial Parameters
Brief Summary
The main aim of this study is to learn how safe elritercept is and how well it is tolerated when taken alone and in combination with the JAK inhibitor, ruxolitinib. Other aims are to learn about the effects of elritercept on the signs and symptoms of MF when taken with or without ruxolitinib and to learn how elritercept affects the body, how the body processes elritercept, and the effects of elritercept on anemia when taken with or without ruxolitinib The study will also check on how safe elritercept is and how well it is tolerated.
Eligibility Criteria
Inclusion Criteria: 1. Ability to understand the purpose and risks of the study and provide signed and dated informed consent and authorization to use protected health information in accordance with national and local study participant privacy regulations. 2. In the opinion of the Investigator, the participant is able and willing to comply with the requirements of the protocol (e.g., all study procedures, return for follow-up visits). 3. Male or female greater than equal to (≥)18 years of age, at the time of signing informed consent. 4. Eastern Cooperative Oncology Group (ECOG) performance score lesser than equal to (≤)2. 5. Life expectancy ≥12 months per Investigator assessment. 6. Confirmed diagnosis of primary myelofibrosis (PMF) (prefibrotic or overtly fibrotic) according to the 2016 World Health Organization (WHO) criteria, post-polycythemia vera myelofibrosis (PV MF), or post-essential thrombocythemia myelofibrosis (ET MF) according to the 2008 International Working Group-Myelopr