PMID: 7940682Sep 27, 1994Paper

A prospective, randomized comparison of cyclophosphamide and azathioprine for early rejection prophylaxis after cardiac transplantation. Decreased sensitization to OKT3

Transplantation
D O TaylorD G Renlund

Abstract

Humoral immune responses have been implicated in the pathogenesis of vascular rejection, allograft coronary artery disease, and sensitization to OKT3. Because cyclophosphamide (CP) is a potent suppressor of humoral immunity, we postulated that substituting cyclophosphamide for azathioprine (AZA) would be associated with a decrease in acute vascular rejection and sensitization to OKT3 in cardiac transplant recipients also receiving cyclosporine, corticosteroids, and perioperative OKT3. We prospectively randomized 119 patients to receive azathioprine (n = 61) or cyclophosphamide (n = 58) from the time of transplantation. Dosage was adjusted to target white blood cell (WBC) counts. At six weeks posttransplantation, cyclophosphamide was converted to azathioprine. Patients were followed for a mean of 321 +/- 16 days. At four weeks WBC (1000/mm3) was 9.2 +/- 0.4 (SEM) in the AZA group and 9.7 +/- 0.6 for the CP group (P = 0.4). No differences were noted between the CP and AZA groups in mean cellular grades of rejection (1.8 +/- 0.1 vs. 1.7 +/- 0.1), mean vascular grades of rejection (2.0 +/- 0.1 vs. 1.8 +/- 0.1), early treated rejection episodes (1.9 +/- 0.1 vs. 2.2 +/- 0.1) days to first treated cellular rejection (38 +/- 3 vs. 41 +...Continue Reading

Citations

Jul 7, 2007·American Journal of Transplantation : Official Journal of the American Society of Transplantation and the American Society of Transplant Surgeons·W E UberN L Pereira
Apr 4, 2015·Circulation·Monica M ColvinAmerican Heart Association Heart Failure and Transplantation Committee of the Council on Cardiovascular Surgery and Anesthes

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