Cyclosporine withdrawal from a mycophenolate mofetil-containing immunosuppressive regimen: results of a five-year, prospective, randomized study |
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Authors: | Abramowicz Daniel Del Carmen Rial Maria Vitko Stefan del Castillo Domingo Manas Derek Lao Mieczyslaw Gafner Nesrin Wijngaard Peter;Cyclosporine Withdrawal Study Group |
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Institution: | Department de Nephrologie, H?pital Erasme, Route de Lennik 808, Bruxelles B-1070, Belgium. dabram@ulb.ac.be |
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Abstract: | Maintenance immunosuppression with cyclosporine (CsA) is associated with nephrotoxicity, hyperlipidemia, and hypertension. This long-term study (core study + 4 yr of follow-up) investigated the long-term efficacy and safety of CsA withdrawal from a mycophenolate mofetil (MMF)-based regimen. Seventy-seven patients were maintained on CsA, MMF, and steroids (CsA-MMF group), and 74 were given a CsA-free regimen of MMF and steroids (MMF group). Serum creatinine and creatinine clearance were measured at 6-month intervals. Patient and graft survival, acute rejection episodes, malignancies, BP, and lipid profile were also recorded. At 5 yr, patient and graft survival was 93 and 88%, respectively, for the MMF group and 95 and 92%, respectively, for the CsA-MMF group. During follow-up, seven MMF patients experienced acute rejection episodes compared with one CsA-MMF patient (P = 0.0283). Nine grafts were lost to chronic rejection in the MMF group versus three in the CsA-MMF group. No demographic or immunologic characteristics were associated with acute or chronic rejection in the MMF group, but the doses of both MMF and steroids decreased significantly between 1 and 5 yr. The MMF group showed a trend toward improved creatinine clearance (67.4 versus 61.7 ml/min; P = 0.0500). Withdrawal of CsA from an MMF-containing immunosuppressive regimen resulted in an increased risk for acute rejection episodes and graft loss as a result of rejection throughout the 5-yr study period. The creatinine clearance-confirmed improvement in renal function observed at year 1 was maintained at 5 yr BP and cholesterol levels were well controlled in both groups. |
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