Abstract
Corticosteroids such as methylprednisolone (MP) remain the primary therapy for acute GVHD (aGVHD). Patients who are refractory to standard treatment (MP 2 mg/kg/day) may be treated with high-dose MP. This study evaluated the response to high-dose MP in children with aGVHD refractory to standard dose MP. Children who underwent hematopoietic SCT (HSCT) at our hospital between 1 June 2002 and 31 July 2006 and were treated with high-dose MP upon developing steroid-refractory aGVHD were included. Response to aGVHD therapy, adverse effects attributed to MP and overall outcomes were documented. Ten children received high-dose MP (≥ 20mg/kg/day) on 3-5 consecutive days followed by a tapering dose for steroid-refractory aGVHD, at a median of 12 days after starting standard treatment. Nine patients had ≥ grade III aGVHD. Only one patient with grade III aGVHD had a complete response. Two patients had a partial response but flared when MP was tapered. Complications included hypertension (100%), hyperglycemia requiring insulin therapy (33%) and four documented severe infections. Five children (50%) died (median follow-up: 5.9 years). Salvage therapy other than high-dose MP should be considered in children who fail to respond to MP 2 mg/kg/day.
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