Trial reportBlood2026
A randomized trial of GVHD prophylaxis in haploidentical PBSC transplantation: ATG, PTCy, and low-dose combination therapy.
Trial report in Blood, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 2 registered trials, which are not on this map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Shanghai General Hospital Affiliated to Shanghai Jiao Tong University
Low-Dose ATG/PTCy Plus Ivarmacitinib to Prevent Acute Graft-versus-Host Disease Following Haploidentical Peripheral Blood Stem Cell Transplantation From Parous Female Donors: A Prospective, Single-Arm, Multicenter Trial
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20 authors.
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No grant is acknowledged in the PubMed record.
Abstract
abstractThe optimal graft-versus-host disease (GVHD) prophylaxis strategy in haploidentical peripheral blood stem cell transplantation remains controversial. In this open-label, phase 3 study, patients aged 14 to 70 years with acute myeloid leukemia or myelodysplastic syndromes with excess blasts Ⅰ or Ⅱ were randomized (2:1:1) to receive low-dose antithymocyte globulin (ATG; 5 mg/kg) plus posttransplant cyclophosphamide (PTCy; 50 mg/kg; referred to as ATG/PTCy), standard-dose ATG (total dose, 10 mg/kg), or a PTCy-based (total dose, 100 mg/kg) regimen for GVHD prophylaxis. The coprimary end points were the cumulative incidence (CI) of grade 2 to 4 acute GVHD (aGVHD) by day 100 and GVHD-free, relapse-free survival at 1 year after transplant. A total of 407 patients were randomized to receive an ATG/PTCy (185 patients), ATG (113 patients), or PTCy (109 patients) regimen for GVHD prophylaxis. By day +100, the CI of grade 2 to 4 aGVHD did not differ significantly among the 3 groups (P = .210). Although the overall incidence of chronic GVHD (cGVHD) was comparable across all groups (P = .110), the 2-year CI of moderate-to-severe cGVHD was numerically lower in the ATG/PTCy (17.4%) and ATG (17.3%) groups than the PTCy group (28.3%), without reaching statistical significance (P = .095). No significant differences were observed in survival outcomes among the 3 groups. Notably, the CI of neutrophil and platelet recovery was significantly higher in the ATG/PTCy group than in the other groups (P< .001). This trial suggested that the 3 GVHD prophylaxis strategies presented similar efficacy in preventing grade 2 to 4 aGVHD and yielded comparable survival. This trial was registered at www.clinicaltrials.gov as NCT03608059.
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