Evaluation of monoclonal/polyclonal ratio in kidney-transplanted patients treated with cyclosporine.

Int J Clin Pharmacol Res

Department of Human Communicative Sciences, II Faculty of Medicine, Naples, Italy.

Published: February 1993

Fifty-seven kidney-transplanted outpatients, treated with cyclosporine alone or associated with azathioprine, prednisone, or methylprednisolone, were submitted to a monthly follow-up in order to determine cyclosporine blood levels and the monoclonal/polyclonal (M/P) ratio. Only methylprednisolone was able to modify the M/P ratio. This drug increased the M/P ratio, suggesting a cyclosporine metabolic inhibition. This effect disappeared in a few months in spite of the continuation of methylprednisolone treatment.

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