John Mascarenhas, MD

John Mascarenhas, MD, is a professor of Medicine at the Icahn School of Medicine at Mount Sinai, director of the Center of Excellence for Blood Cancers and Myeloid Disorders, and a member of The Tisch Cancer Institute.

Articles by John Mascarenhas, MD

Polycythemia vera is a myeloproliferative neoplasm characterized by clonal hematopoiesis and an absolute increase in the red blood cell mass, with an associated leukocytosis and thrombocytosis. Virtually all patients with PV harbor a mutation in the nonreceptor tyrosine kinase JAK2, with the majority of patients harboring the classic JAK2.

John Mascarenhas, MD, associate professor of Medicine, Mount Sinai School of Medicine, discusses the results from the interim analysis of the MPD-RC 112 study, which compared frontline pegylated interferon-alpha-2a (Pegasys) with hydroxyurea in the treatment of patients with high-risk polycythemia vera (PV) and essential thrombocythemia (ET).