Cyclosporin A in clinical kidney grafting from cadaver donors.
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Biomedical subjects
Publications and source records attributed to K Rolles.
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Cyclosporin A was given to pigs receiving orthotopic cardiac allografts from donors mismatched at the major locus. Median survival in 20 control pigs was only 6 days; in 5 pigs given cyclosporin A at 15 mg/kg on 3 days median survival was 22 days; and when 6 animals were given 25 mg/kg intramuscularly for 2 days and then orally median survival is greater than 68 days, with 4 animals still alive.
In a patient with medullary carcinoma of the thyroid with pulmonary metastases who presented with diarrhoea and steatorrhoea large amounts of prostaglandin-like material were present in peripheral blood, and some was extracted from the tumour. The diarrhoea which persisted after thyroidectomy responded to treatment with nutmeg.
The postoperative course of 138 transplants performed in 137 patients in the Cambridge and King's College Hospital series between May 2, 1968 and April 1, 1983 is presented. During the last 15 years, criteria for selection of transplant candidates has been improved and types of disease categories, both suitable and unsuitable for liver transplantation, have been defined. The acceptance of the concept of brain death and the use of heart-beating donors in the United Kingdom since 1976 has greatly improved the quality of donor organs. Changes in surgical technique, particularly with regard to biliary tract drainage, have reduced morbidity and mortality from biliary tract complications since 1975. The use of partial cardiopulmonary bypass in selected cases and changes in immunosuppressive drug regimens have not significantly improved our overall results. Despite these changes based on our experience, the perioperative mortality in the Cambridge and King's College Hospital series remains disturbingly high.
Seven patients on dialysis with renal failure received transplants from mismatched cadaver donors and were treated with cyclosporin A (CyA), initially as the sole immunosuppressive agent. CyA was effective in inhibiting rejection but there was clear evidence of both nephrotoxicity and hepatotoxicity. A cyclophosphamide analogue was added to the CyA treatment in six of the patients. Five patients are out of hospital with functioning allografts, and two of these have received no steroids. One patient required an allograft nephrectomy because of pyelonephritis in the graft. Another died of systemic aspergillus and candida infection. Further careful study of this potentially valuable drug will by required before it can be recommended in clinical practice.