Alexion Pharmaceuticals Inc. Announces the EXPLORE Clinical Diagnostic Study For Paroxysmal Nocturnal Hemoglobinuria (PNH)

CHESHIRE, Conn., June 16 /PRNewswire-FirstCall/ -- With research suggesting that many patients with Paroxysmal Nocturnal Hemoglobinuria (PNH) go undiagnosed for years and that many patients have PNH in association with bone marrow failure disorders,(1) Alexion Pharmaceuticals (Nasdaq: ALXN - News) today announced the initiation of the multi-center EXPLORE study to examine the frequency of PNH in patients with aplastic anemia (AA), myelodysplastic syndrome (MDS) and other bone marrow failure disorders. Although the hemolytic blood disorder PNH is associated with bone marrow disorders, it is often misdiagnosed or undetected in these patients.