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Clinical trial · no report yet · Phase 1/Phase 2

NCT04849910

Allogeneic Engineered Hematopoietic Stem Cell Transplant (HCT) Lacking the CD33 Protein, and Post-HCT Treatment With Mylotarg, for Patients With CD33+ AML or MDS

We haven't built a report for this trial yet. This page shows the registry record and the public commentary we found that names the trial. A report reads that commentary and sets out what clinicians said about the trial, each point linked to its source. How reports are made.

Preliminary discovery

Commentary in our index that names this trial so far

Podcasts, YouTube videos and X posts we have indexed. A report screens them, searches for more and cites what clinicians said when it is built, so final coverage is set at build.

ChannelFound
Bluesky threads4

The trial

ClinicalTrials.gov
Official title
A First-In-Human, Open-Label, Multicenter Study of VOR33 in Patients With Acute Myeloid Leukemia Who Are at High-Risk for Leukemia Relapse Following Hematopoietic Cell Transplantation
Phase
Phase 1/Phase 2
Status
Terminated
Conditions
Leukemia, Myeloid, Acute; Myelodysplastic Syndromes
Interventions
VOR33; Mylotarg
Arms
  • Cohort 1 · Experimental
  • Cohort 2 · Experimental
  • Cohort 3 · Experimental
Enrollment
67
Primary outcomes
  • Incidence of neutrophil engraftment
Sponsor
Vor Biopharma
Start
Dec 16, 2021
Primary completion
May 28, 2025
Results posted
No
Registry record
NCT04849910 · updated Jul 29, 2025

Publications

linked from the registry
  • DiPersio JF, Koehne G, Shah NN, Bernard L, Suh HC, Koura D, Tamari R, Mushtaq MU, Maakaron J, Rimando J, Kennedy VE, Patel SS, Hudson C, Loken MR, Slapak CA, Lloyd DM, Stanizzi DA, Lee-Sundlov MM, Thosar S, Mundelboim G, Guo G, Ge HG, Li BE, Xavier-Ferrucio J, Hyzy SL, Lin MI, Raffel GD, Cooper BW. CRISPR-Cas9 CD33-deleted allogeneic hematopoietic cell transplantation with gemtuzumab ozogamicin maintenance in AML: a phase 1/2 trial. Nat Med. 2026 May;32(5):1763-1772. doi: 10.1038/s41591-026-04362-1. Epub 2026 May 12. PubMed 42120728
  • Lydeard JR, Lin MI, Ge HG, Halfond A, Wang S, Jones MB, Etchin J, Angelini G, Xavier-Ferrucio J, Lisle J, Salvadore K, Keschner Y, Mager H, Scherer J, Hu J, Mukherjee S, Chakraborty T. Development of a gene edited next-generation hematopoietic cell transplant to enable acute myeloid leukemia treatment by solving off-tumor toxicity. Mol Ther Methods Clin Dev. 2023 Oct 13;31:101135. doi: 10.1016/j.omtm.2023.101135. eCollection 2023 Dec 14. PubMed 38027064