The U.S. Food and Drug Administration FDA approves Celgene’s REBLOZYL® (luspatercept-aamt) for the treatment of anemia in adult patients with beta-thalassemia who require regular red blood cell (RBC) transfusions. What is Beta-thalassemia: Beta-thalassemia is a blood disorder that reduces the body’s production of hemoglobin. Low levels of hemoglobin lead to a shortage of mature red blood cells and a lack of oxygen in the