Trial reportJournal of hematology & oncology2024
Memory T-cell enriched haploidentical transplantation with NK cell addback results in promising long-term outcomes: a phase II trial.
Trial report in Journal of hematology & oncology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT01807611 (Haploidentical Donor Hematopoietic Progenitor Cell and Natural Killer Cell Transplantation With a TLI Based Conditioning Regimen in Patients With Hematologic Malignancies), which is not on this map. Cited by 11 papers, 1 of them a synthesis that pooled it.
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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.
Haploidentical Donor Hematopoietic Progenitor Cell and Natural Killer Cell Transplantation With a TLI Based Conditioning Regimen in Patients With Hematologic Malignancies
Who cites it
11 citing papers in PubMed, 1 synthesis or guideline pooled it.
- NK cell adoptive transfer in acute myeloid leukemia: a systematic review and meta-analysis.Frontiers in immunology · 2026Pooled it
- Upfront memory T cell add-back with haploidentical TCRαβ-depleted graft in adults with haematological malignancies: a nationwide, multicentre, single-arm, prospective study.Bone marrow transplantation · 2026Trial
- Synergistic immune interactions between T cells and natural killer cells in allogeneic haematopoietic stem cell transplantation for acute myeloid leukaemia: current status and future directions.Annals of medicine · 2026Review
- Naive T cell-depleted hematopoietic stem cell transplantation to minimize immunosuppression after solid organ transplantation: case report.Communications medicine · 2026Article
- Chronic graft-versus-host disease.Nature reviews. Disease primers · 2026Review
- Single-cell profiling reveals reprogrammed hierarchy and disrupted immune-stromal ecosystem in TP53-mutated AML.Experimental hematology & oncology · 2026Article
- Low Dose of IL-2 Application for Graft-Versus-Host Disease Prophylaxis Following Haploidentical Stem Cell Transplantation.MedComm · 2026Article
- NIH Chronic Graft-Versus-Host Disease Consensus Conference 2025 Update.Transplantation and cellular therapy · 2025Review
- Review
- Cytokines in Focus: IL-2 and IL-15 in NK Adoptive Cell Cancer Immunotherapy.Immune network · 2025Review
- ROCK 2 inhibition with belumosudil for the treatment of chronic graft-versus-host disease: a narrative review.Therapeutic advances in hematology · 2025Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
26 authors.
Funding
Abstract
backgroundRelapse remains a challenge after transplantation in pediatric patients with hematological malignancies. Myeloablative regimens used for disease control are associated with acute and long-term adverse effects. We used a CD45RA-depleted haploidentical graft for adoptive transfer of memory T cells combined with NK-cell addback and hypothesized that maximizing the graft-versus-leukemia (GVL) effect might allow for reduction in intensity of conditioning regimen.
methodsIn this phase II clinical trial (NCT01807611), 72 patients with hematological malignancies (complete remission (CR)1: 25, ≥ CR2: 28, refractory disease: 19) received haploidentical CD34 + enriched and CD45RA-depleted hematopoietic progenitor cell grafts followed by NK-cell infusion. Conditioning included fludarabine, thiotepa, melphalan, cyclophosphamide, total lymphoid irradiation, and graft-versus-host disease (GVHD) prophylaxis consisted of a short-course sirolimus or mycophenolate mofetil without serotherapy.
resultsThe 3-year overall survival (OS) and event-free-survival (EFS) for patients in CR1 were 92% (95% CI:72-98) and 88% (95% CI: 67-96); ≥ CR2 were 81% (95% CI: 61-92) and 68% (95% CI: 47-82) and refractory disease were 32% (95% CI: 11-54) and 20% (95% CI: 6-40). The 3-year EFS for all patients in morphological CR was 77% (95% CI: 64-87) with no difference amongst recipients with or without minimal residual disease (P = 0.2992). Immune reconstitution was rapid, with mean CD3 and CD4 T-cell counts of 410/μL and 140/μL at day + 30. Cumulative incidence of acute GVHD and chronic GVHD was 36% and 26% but most patients with acute GVHD recovered rapidly with therapy. Lower rates of grade III-IV acute GVHD were observed with NK-cell alloreactive donors (P = 0.004), and higher rates of moderate/severe chronic GVHD occurred with maternal donors (P = 0.035).
conclusionThe combination of a CD45RA-depleted graft and NK-cell addback led to robust immune reconstitution maximizing the GVL effect and allowed for use of a submyeloablative, TBI-free conditioning regimen that was associated with excellent EFS resulting in promising long-term outcomes in this high-risk population. The trial is registered at ClinicalTrials.gov (NCT01807611).
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