Sirolimus monotherapy following Campath-1H induction.
Sirolimus was used as a single agent for maintenance immunosuppression in a pilot trial of 29 primary kidney transplant patients using lymphocyte depletion with Campath-1H as an induction strategy. This allowed sirolimus to be analyzed (dose, blood level, and side effect profile) in the absence of steroid and calcineurin inhibitors. A sirolimus dose of 4 mg/day resulted in blood levels in the 8 to 9 ng/mL range. Of the 29 patients, 8 patients (28%) had rejection. The sirolimus levels were not significantly different in patients with or without rejection. The cardiovascular risk profile in terms of lipid profile and hypertension control was favorable. Increase in cholesterol and triglyceride levels at one month (not statistically significant) necessitated treatment in 60% of patients with decline in levels by 6 and 12 months. Management of hypertension was also favorable with the majority of patients (55%) being on one hypertensive medication. Sirolimus monotherapy was well tolerated on the whole. Wound healing, leukopenia, and anemia were not significant problems. In conclusion, monotherapy has been well tolerated with a favorable side effect profile. However, a rejection rate of 28% was noted.
Rao, V; Pirsch, JD; Becker, BN; Knechtle, SJ
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