期刊
JOURNAL OF CARDIOVASCULAR PHARMACOLOGY AND THERAPEUTICS
卷 24, 期 5, 页码 435-441出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/1074248419841635
关键词
heart transplant; alemtuzumab; induction; immunosuppression; rejection
The use of alemtuzumab for induction therapy in orthotopic heart transplantation remains controversial, despite its observed benefits in other transplant populations. This study aimed to evaluate whether alemtuzumab conferred a lower risk of rejection while reducing toxicities commonly attributed to standard immunosuppression in orthotopic heart transplantation. We included adult patients who underwent orthotopic heart transplantation and received induction therapy with alemtuzumab (n = 26) or standard immunosuppression (n = 26). The primary end point was freedom from grade >= 2 rejection at 12 months. Baseline characteristics were similar between the groups with the exception of poorer renal function in the alemtuzumab group (P < .05). The primary end point of freedom from grade >= 2 rejection at 12 months was not different between alemtuzumab and standard therapy (76.9% vs 96.2%, P = .077), likely due to similarities in the rates of antibody-mediated rejection in the 2 groups. However, grade >= 2 acute cellular rejection was considerably lower with alemtuzumab (0% vs 19.2%, P = .02), as was acute cellular rejection of any severity (50% vs 7.7%, P = .004). Deterioration in renal function was significantly greater among patients receiving standard therapy as evidenced by decreases in glomerular filtration rate (-25.6 vs -9.2 mL/min, P = .032). No differences in hematologic or infectious complications were observed. In conclusion, alemtuzumab reduced several important rejection-related outcomes while ameliorating the toxicities associated with standard immunosuppression therapy, making it a promising agent for induction in orthotopic heart transplantation.
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