• W A Gay, J G O'Connell, N A Burton, S V Karwande, D G Renlund, and M R Bristow.
• Utah Cardiac Transplant Program, Salt Lake City.
• Ann. Surg. 1988 Sep 1; 208 (3): 287-90.

AbstractOKT3 is a murine monoclonal antibody that is reactive against the CD3 surface antigen on T lymphocytes. This antigen appears to be essential for recognition of foreign antigen and for initiation of the process of cell-mediated rejection. One hundred and two patients having orthotopic cardiac transplantation in a single program during a 3-year period received prophylactic immune suppression with OKT3, along with azathioprine and low-dose steroids. Patients began receiving cyclosporine on Day 11; steroid-weaning was attempted 3 weeks after transplantation. In this group of patients, the time to the first rejection was 76 +/- 11 days (mean +/- SEM), and 85% were successfully weaned from maintenance steroids. Avoidance of the side effects of cyclosporine and/or high dose steroids during the perioperative period, combined with a long rejection-free interval and the likelihood of long-term maintenance free of steroids, make the use of OKT3 or similar agents an attractive alternative to conventional immunosuppression.

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