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Tacrolimus versus cyclosporine after lung transplantation: a prospective, open, randomized two-center trial comparing
H Treede1, W Klepetko, H Reichenspurner
1Ludwig-Maximilians-University, Munich, Germany.
Background:
The need for better immunosuppressive protocols after lung transplantation led us to investigate tacrolimus (Tac) in combination with mycophenolate mofetil (MMF) and steroids or cyclosporine (CsA) in combination with MMF and steroids in a prospective, open, randomized trial after lung transplantation.
Methods:
Between September 1997 and April 1999, 50 lung transplant recipients were randomized to receive either Tac (n = 26) or CsA (n = 24) in combination with MMF and steroids. All patients underwent induction therapy with rabbit antithymocyte globulin (ATG) for 3 days. Freedom from acute rejection (AR), patient survival, infection episodes, and side effects were monitored.
Results:
There was no difference in patient demographics between the two groups. Six-month and 1-year survival was similar (84.6% and 73.1% in the Tac group vs 83.3% and 79.2% in the CsA group). Freedom from AR at 6 months and 1 year after lung transplantation was slightly higher in the Tac group (57.7% and 50% vs 45.8% and 33.3%, p = not significant [n.s.]), whereas the number of treated rejection episodes per 100 patient days in the Tac group was significantly lower (0.225 vs 0.426, p < .05). Four patients in the CsA group had to be switched to Tac. Two patients in the CsA group had to be retransplanted. Incidence of infections was similar in both groups with a trend toward more fungal infections in the Tac group (n = 7 vs n = 1, p = n.s.).
Conclusions:
The combination of Tac and MMF seems to have slightly higher immunosuppressive potential compared with CsA and MMF. The effectiveness of Tac as a rescue agent is not paralleled with undue signs of overimmunosuppression.