FK 506 rescue therapy for intractable liver allograft rejection

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Abstract
Intractable liver allograft rejection remains an important cause of graft loss. In this Present study, we evaluated the role of oral FK 506 in 30 rejection episodes resistant to conventional cyclosporin‐based triple immunosuppression in a series of 28 patients. Rejection was reversed in 11 (91.7%) of 12 patients for intractable acute rejection and in 10 (58.8%) of 17 patients for chronic rejection. A progressive decline in serum bilirubin was observed within 14 days in those successfully salvaged and a serum bilirubin of less than 200 μmol/1 at the time of FK 506 conversion in the chronic rejection subgroup was found to be good predictor of response (specificity 100%, sensitivity 60%). New onset diabetes mellitus (29%) and reversible renal impairment (32%) were the commonest adverse events observed. Eleven (52%) of the responding patients successfully discontinued corticosteroid medication and are currently on FK 506 monotherapy. FK 506 therapy has a significant impact in the control of both intractable acute and chronic allograft rejection with an acceptable toxicity profile.