Real-world evidence regarding cancer, mortality, and graft failure risk with de novo belatacept use among kidney transplant recipients in the United States.

IF 8.9 2区 医学 Q1 SURGERY American Journal of Transplantation Pub Date : 2025-03-08 DOI:10.1016/j.ajt.2025.03.004
Shyfuddin Ahmed, Ruth M Pfeiffer, Karena Volesky-Avellaneda, Christopher D Blosser, Jon J Snyder, Ajay K Israni, Charles F Lynch, Baozhen Qiao, Judy R Rees, Fiona Zwald, Kelly J Yu, Eric A Engels
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Abstract

Belatacept is a selective T-cell co-stimulation blocker used in maintenance immunosuppression for kidney transplant recipients (KTRs), but evidence on cancer risk and other outcomes is limited. This retrospective cohort study used linked US transplant and cancer registry data on KTRs treated with belatacept (N=1514) or tacrolimus (N=7570) as initial maintenance therapy. We used multivariable Cox regression models to compare incidence of invasive cancer, cutaneous squamous cell carcinoma (cSCC), posttransplant lymphoproliferative disorder (PTLD), death, and graft failure/retransplantation (GF/RT) between belatacept and tacrolimus users. Overall, cancer incidence was 10.1 and 12.6 per 1000 person-years in belatacept and tacrolimus users, respectively. We did not find increased risk with belatacept for cancer overall (adjusted hazard ratio [HR] 0.83, 95% confidence interval [95%CI] 0.53-1.30), individual cancer types, or cSCC. Belatacept was associated with increased risk of death (adjusted HR 1.22, 95%CI 1.04-1.43) but lower risk of GF/RT more than four years after transplantation (0.54, 0.35-0.83). PTLD risk was increased among EBV-seropositive KTRs (adjusted HR 1.96, 95%CI 1.03-3.73). This study provides reassurance that belatacept does not increase cancer risk among KTRs, and there was a long-term protective association for GF/RT. However, we found evidence suggesting a potential increased risk of PTLD and death with belatacept use.

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来源期刊
CiteScore
18.70
自引率
4.50%
发文量
346
审稿时长
26 days
期刊介绍: The American Journal of Transplantation is a leading journal in the field of transplantation. It serves as a forum for debate and reassessment, an agent of change, and a major platform for promoting understanding, improving results, and advancing science. Published monthly, it provides an essential resource for researchers and clinicians worldwide. The journal publishes original articles, case reports, invited reviews, letters to the editor, critical reviews, news features, consensus documents, and guidelines over 12 issues a year. It covers all major subject areas in transplantation, including thoracic (heart, lung), abdominal (kidney, liver, pancreas, islets), tissue and stem cell transplantation, organ and tissue donation and preservation, tissue injury, repair, inflammation, and aging, histocompatibility, drugs and pharmacology, graft survival, and prevention of graft dysfunction and failure. It also explores ethical and social issues in the field.
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