ArticleTransplantation and cellular therapy2025
Role of Donor Cytomegalovirus Serostatus in Cytomegalovirus-Seronegative Recipients of Unrelated Donor Hematopoietic Cell Transplantation with Post-Transplant Cyclophosphamide Prophylaxis.
Article in Transplantation and cellular therapy, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Article
- A novel prognostic scoring system HATS for acute myeloid leukemia patients undergoing allogeneic hematopoietic stem cell transplantation.Annals of hematology · 2026Article
- Article
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8 authors.
Funding
Abstract
While donor age significantly impacts allogeneic hematopoietic cell transplantation (HCT) outcomes, the effect of donor cytomegalovirus (CMV) serostatus, particularly in CMV-seronegative recipients, remains a critical consideration. Donor CMV seropositivity is linked to increased CMV viremia and non-relapse mortality (NRM) in these recipients. Given the limited scope of novel antiviral prophylaxis drugs, eg, letermovir solely for CMV-seropositive recipients and the association of post-transplant cyclophosphamide (PTCy) with increased CMV reactivation, this study investigates the impact of donor CMV serostatus on outcomes in CMV-seronegative acute myeloid leukemia (AML) patients undergoing HLA-matched or mismatched unrelated donor HCT with PTCy. We retrospectively analyzed data from the Center for International Blood and Marrow Transplant Research, including adult CMV-seronegative AML patients who underwent unrelated donor HCT with PTCy between 2017 and 2021. Primary outcome was overall survival (OS). Secondary outcomes included relapse, NRM, and acute/chronic graft-versus-host disease. Donor age was dichotomized at ≤32 and >32 years. Multivariable Cox proportional hazards models, stratified by donor age, and Restricted Mean Survival Time (RMST) and Restricted Mean Time Lost (RMTL) analyses were performed. Of 408 CMV-seronegative recipients, 127 received transplants from CMV-seropositive donors. Baseline characteristics were well-balanced between groups. Multivariable analysis demonstrated that recipients of CMV-seropositive donors had a significantly higher hazard of mortality (hazard ratios [HR] 1.51, 95% confidence interval [CI] 1.07 to 2.14, P = .019). Donor age and donor type did not significantly impact OS in this CMV seronegative patient population. RMST analysis showed that recipients with CMV-seronegative donors lived on average 2.95 months longer (P = .045), while RMTL ratio was 1.34 (P = .037), indicating that recipients of CMV-seropositive donors experienced a 34% higher risk of loss of survival time. The difference in OS was primarily driven by a trend toward increased relapse risk in the CMV-seropositive donor group (HR 1.42, 95% CI: 0.95 to 2.08, P = .06) rather than NRM (HR 1.19, 95% CI: 0.66 to 2.13, P = .56). In CMV-seronegative adult AML patients undergoing unrelated donor HCT with PTCy, CMV-seropositive donors are associated with worse OS than CMV-seronegative donors, likely linked to higher relapse risk. These findings underscore the importance of considering donor CMV serostatus in donor selection for CMV-seronegative recipients undergoing HCT with PTCy. Further investigation is necessary to optimize donor selection strategies and improve outcomes in this patient population.
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