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Treatment of hepatitis‐associated aplastic anemia with high‐dose cyclophosphamide
Author(s) -
Savage William J.,
DeRusso Patricia A.,
Resar Linda M.,
Chen Allen R.,
Higman Meghan A.,
Loeb David M.,
Jones Richard J.,
Brodsky Robert A.
Publication year - 2007
Publication title -
pediatric blood and cancer
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.116
H-Index - 105
eISSN - 1545-5017
pISSN - 1545-5009
DOI - 10.1002/pbc.21143
Subject(s) - medicine , aplastic anemia , cyclophosphamide , hepatitis , anemia , pediatrics , oncology , virology , chemotherapy , bone marrow
Objective Demonstrate that high‐dose cyclophosphamide (CY) is effective therapy for hepatitis‐associated aplastic anemia (HAA). Background HAA is a sequence of seronegative hepatitis followed by aplastic anemia. Optimal treatment is matched‐sibling allogeneic bone marrow transplantation (BMT). The combination of antithymocyte globulin (ATG) and cyclosporine (CSA) has also been studied, but there are scarce data regarding treatment of HAA. Procedure Five patients (median age 14 years; range 6–17 years) with HAA and without an HLA‐matched sibling were treated with high‐dose CY (50 mg/kg/day IV × 4 days) followed by granulocyte‐colony stimulation factor (G‐CSF). Results After at least 1 year of follow‐up, four of five patients are in remission without further immune suppression beyond high‐dose CY. Of the 4 responders, median time to absolute neutrophil count (ANC) >500 µl −1 was 51 days (range 44–369). Median time to transfusion independence for erythrocytes and platelets was 109 (range 57–679) and 160 (range 48–679) days, respectively. The fifth patient did not respond and proceeded to an unrelated donor transplant. One patient met criteria for autoimmune hepatitis (AIH) in addition to HAA. In this case, high‐dose CY successfully induced remission of both diseases. Conclusions High‐dose CY induces durable remissions in HAA and may be an effective treatment for AIH. Pediatr Blood Cancer 2007;49:947–951. © 2007 Wiley‐Liss, Inc.

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