Grupo Español De Enfermedades Mieloproliferativas Crónicas Ph Negativas

This study tests a drug called pacritinib in 30 adults with myelofibrosis, a rare bone marrow cancer, who also have low platelet counts. The goal is to see if pacritinib can reduce scarring in the bone marrow and improve symptoms. Participants will take the drug for up to two yea…