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  • Title: Thymoglobulin, sirolimus, and reduced-dose cyclosporine provides excellent rejection prophylaxis for pancreas transplantation.
    Author: Knight RJ, Kerman RH, Zela S, Podder H, Van Buren CT, Katz S, Kahan BD.
    Journal: Transplantation; 2003 Apr 27; 75(8):1301-6. PubMed ID: 12717220.
    Abstract:
    BACKGROUND: We investigated a novel immunosuppressive protocol including thymoglobulin induction in combination with sirolimus and corticosteroids, followed by introduction of markedly reduced exposures to cyclosporine to prevent pancreas-transplant rejection. METHODS: A 7-day course of thymoglobulin (1.5 mg/kg per day) was begun on postoperative day (POD) 0, together with 15 mg of sirolimus on POD 1, and followed by 5 mg per day, targeting these doses to achieve a trough of 10 to 20 ng/mL. When the serum creatinine was below 2.5 mg/dL, cyclosporine was introduced at 50 mg twice daily with dose adjustment to maintain a trough concentration of 100 to 125 ng/mL. RESULTS: The 18 patients included 14 simultaneous pancreas-kidney and 4 pancreas-after-kidney transplant recipients. Two patients were African-American, three patients had a pretransplant panel reactive antibody greater than 20%, and the human leukocyte antigen (HLA) mismatch was 4.5+/-1 (mean+/-standard deviation). With a mean follow-up of 13.6+/-4.7 months, patient, kidney, and pancreas graft survivals are 100%, 100%, and 94%, respectively. A single pancreas graft was lost to thrombosis. There were no acute rejection episodes and no opportunistic infections. Mean hospital stay was 9+/-3 days. At 3 months posttransplantation, the mean value of serum creatinine was 1.2+/-0.3 mg/dL, fasting glucose was 88+/-15 mg/dL, and sirolimus dose at month 3 was 6.3+/-3 mg per day and at month 12 2.7+/-1 mg per day. The average total daily cyclosporine A dose at month 3 was 208+/-62 mg per day and 133+/-13 mg per day at 1 year. CONCLUSIONS: This immunosuppressive regimen provided excellent prophylaxis against acute rejection with no opportunistic infections. We believe that careful monitoring of sirolimus and cyclosporine levels was critical to success of this protocol.
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