Study Status: Recruiting
Recruit Status: Recruiting
Study Type: Observational
Official Title: Prospective, Longitudinal, Non-Interventional Study of Disease Burden and Treatment of Patients With Low-Risk Myelofibrosis (MF) or High-Risk Essential Thrombocythemia (ET
Brief Summary: The purpose of this prospective, longitudinal, noninterventional study is to describe clinical characteristics, evolution of disease burden, and treatment patterns in patients with select subcategories of essential thrombocythemia (ET) or myelofibrosis (MF).