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Terminated Phase 1Phase 2 Interventional

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

ClinicalTrials.gov ID: NCT04849910

Public ClinicalTrials.gov record NCT04849910. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Nov 7, 2026, 10:29 AM EST

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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

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a Phase 1/2a, multicenter, open-label, first-in-human (FIH) study of VOR33 in participants with AML or MDS who are undergoing human leukocyte antigen (HLA)-matched allogeneic hematopoietic cell transplant (HCT).

Study identification

NCT ID
NCT04849910
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 1, Phase 2
Lead sponsor
Vor Biopharma
Industry
Enrollment
67 participants

Conditions and interventions

Interventions

Biological · Drug

Eligibility (public fields only)

Age range
18 Years to 70 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Dec 16, 2021 (Actual)
Primary completion
May 28, 2025 (Actual)
Completion
May 28, 2025 (Actual)
Last update posted
Jul 29, 2025

2021 – 2025

United States locations

U.S. sites
14
U.S. states
12
U.S. cities
13
Facility City State ZIP Site status
University of California San Diego Moores Cancer Center La Jolla California 92037 —
Stanford Cancer Institute Stanford California 94305 —
Miami Cancer Institute Miami Florida 33176 —
Winship Cancer Institute Emory University Atlanta Georgia 30322 —
The University of Kansas Cancer Center Fairway Kansas 66205 —
National Institutes of Health, Clinical Center Bethesda Maryland 20892 —
Masonic Cancer Center, University of Minnesota Minneapolis Minnesota 55455 —
Washington University School of Medicine Siteman Cancer Center St Louis Missouri 63110 —
John Theurer Cancer Center at Hackensack University Medical Center Hackensack New Jersey 07601 —
Columbia University Medical Center - Herbert Irving Comprehensive Cancer Center New York New York 10032 —
Memorial Sloan Kettering Cancer Center New York New York 10065 —
University Hospitals Seidman Cancer Center Cleveland Ohio 44106 —
University of Utah Huntsman Cancer Institute Salt Lake City Utah 84112 —
Fred Hutchinson Cancer Research Center Seattle Washington 98109 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 1 non-U.S. site.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04849910, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 29, 2025 · Synced Nov 7, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04849910 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →