Acquired haemophilia A after stem cell transplant for sickle cell disease: treatment with recombinant porcine factor VIII (OBI‐1) and tolerance induction with rituximab/prednisone

J. N. LOZIER,* K. NGHIEM,* M. LEE,† B. HODSDON,‡ G. JOE,‡ R. P. WEITZEL,§ J . F. TISDALE§ and M. HSIEH§ *Department of Laboratory Medicine, National Institutes of Health Clinical Center, Bethesda, MD; †UCLA School of Public Health, Los Angeles, CA; ‡Rehabilitation Medicine Department, National Institutes of Health Clinical Center; and §Molecular and Clinical Hematology Branch, NHLBI, NIH, Bethesda, MD, USA