SynthesisAnnals of hematology2025
Post-transplant cyclophosphamide versus anti-thymocyte globulin in haploidentical stem cell transplantation: a systematic review and meta-analysis.
Synthesis in Annals of hematology, 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.
- GvHD prophylaxis in elderly patients: post-transplant cyclophosphamide or ATG? A study by the EBMT transplant complications working party.Bone marrow transplantation · 2026Article
- [Guideline for allogeneic hematopoietic stem cell transplantation in the treatment of transfusion-dependent thalassemia in China (2026)].Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics · 2026Article
- Impact of post-transplant cyclophosphamide and anti-thymocyte globulin on immune reconstitution in MUD allo-HCT.Frontiers in immunology · 2026Observational
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Post-transplant cyclophosphamide (PTCy) and anti-thymocyte globulin (ATG) are mainstay prophylactic treatment options for graft-versus-host disease (GVHD), widely used in haploidentical stem cell transplantation. Due to a lack of prospective studies, a number of retrospective comparisons have yielded different conclusions as to which prophylaxis regimen is superior. We performed a meta-analysis of these studies to get more informed and comprehensive decisions from clinicians. Nine studies were eligible, and a total of 1674 patients were included. The combined hazard ratio (HR), relative risk (RR), and weighted mean difference (WMD) results demonstrated that, compared with ATG, PTCy demonstrated better overall survival (OS) (HR 0.7, 95% CI 0.51-0.97), leukemia-free survival (LFS) (HR 0.66, 95% CI 0.53-0.81), and GVHD-free/relapse-free survival (GRFS) (HR 0.79, 95% CI 0.65-0.97); faster lymphocyte reconstitution, lower risk of relapse (HR 0.69, 95% CI 0.53-0.9) and fungal infection (RR 0.23, 95% CI 0.07-0.79). However, neutrophil engraftment was delayed in the PTCy regimen group (WMD 3.29, 95% CI 2.49-4.10). No statistically significant differences were observed in the time to platelet engraftment, bacterial infection, or viral infection, including cytomegalovirus, polyomaviruses BK/JC and Epstein-Barr virus. Nor was any statistically significant difference observed in the incidences of II-IV acute-GVHD (aGVHD) (HR 0.81, 95% CI 0.62-1.05), III-IV aGVHD (HR 0.67, 95% CI 0.22-2.19) or severe chronic-GVHD (cGVHD) (RR 1.22, 95% CI 0.51-2.88), or non-relapse mortality (NRM) outcomes (HR 0.67, 95% CI 0.4-1.11). Therefore, in haploidentical transplantation, PTCy accelerates lymphocyte reconstitution, significantly reduces the risk of recurrence and fungal infection, and improves the OS, LFS and GRFS, compared with ATG, with no significant difference in the efficacy of preventing acute or severe cGVHD, or the risk of bacterial or viral infection.
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