• Biol. Blood Marrow Transplant. · Jul 2017

    Ruxolitinib as Salvage Therapy in Steroid-Refractory Acute Graft-versus-Host Disease in Pediatric Hematopoietic Stem Cell Transplant Patients.

    • Pooja Khandelwal, Ashley Teusink-Cross, Stella M Davies, Adam S Nelson, Christopher E Dandoy, Javier El-Bietar, Rebecca A Marsh, Ashish R Kumar, Michael S Grimley, Sonata Jodele, and Kasiani C Myers.
    • Division of Bone Marrow Transplant and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio. Electronic address: Pooja.khandelwal@cchmc.org.
    • Biol. Blood Marrow Transplant. 2017 Jul 1; 23 (7): 1122-1127.

    AbstractWe describe our retrospective clinical experience with ruxolitinib for steroid-refractory acute graft-versus-host disease (GVHD) in pediatric allogeneic hematopoietic stem cell transplant (HSCT) patients. Ruxolitinib was administered orally at 5 mg twice daily for children ≥ 25 kg or 2.5 mg twice daily if <25 kg. We excluded patients who received new immune suppressive agents within 2 weeks before initiation of ruxolitinib from response analysis. Patients were called a treatment failure if ruxolitinib was stopped before completion of 4 weeks of therapy because of adverse effects and not because of progression of acute GVHD. Thirteen patients received ruxolitinib, and 11 patients were assessable for response. One patient achieved a complete response, 4 had a partial response, and 2 had no response at 4 weeks after the first ruxolitinib dose. Four patients were treatment failures. Overall response rate was 45%. Adverse effects (n = 13) included grades 3 to 4 elevated alanine transaminase (n = 7), grades 3 to 4 neutropenia (n = 5), and grade 4 thrombocytopenia (n = 3). Infectious complications in patients included for response analysis (n = 11) were Epstein-Barr viremia (n = 2), adenovirus (n = 2), BK (n = 3), bacterial infections (n = 6), and fungal infections (n = 1). Seven of 13 patients were alive at a median follow-up of 401 days (range, 219 to 969) after HSCT. We observed a high rate of reversible adverse effects in children with steroid-refractory acute GVHD and a fair overall response of ruxolitinib as a salvage therapeutic agent. Further pharmacokinetic studies are needed to determine the best-tolerated dose of ruxolitinib that will achieve efficacy without significant adverse effects.Copyright © 2017 The American Society for Blood and Marrow Transplantation. Published by Elsevier Inc. All rights reserved.

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