The FDA has approved ibrutinib (Imbruvica®, Pharmacyclics LLC) for treatment of pediatric patients with chronic graft-versus-host disease (cGVHD) following failure of one or more lines of systemic therapy. "Pediatric cGVHD, a potentially debilitating, life-threatening complication of allogeneic hematopoietic stem cell transplantation, has limited treatment options," wrote Marco Zecca, MD, Director of the Pediatric Oncology/Hematology Unit at the Fondazione IRCCS Policlinico San Matteo in Italy, ...