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NCT05984199 · ClinicalTrials.gov registry record · Phase 1

Donor-Derived Anti-CD33 CAR T Cell Therapy (VCAR33) in Patients With Relapsed or Refractory AML After Allogeneic Hematopoietic Cell Transplant

A Phase 1 study, sponsored by Vor Biopharma.

Terminated
Registry status
Phase 1
Development phase
38
Enrollment target

NCT05984199: Clinical Trial Phase 1 study, sponsored by Vor Biopharma.

NCT05984199 is a Phase 1 study that was terminated before completion, run by Vor Biopharma. The registered enrollment target is 38 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (37% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT05984199, a Phase 1 study, was terminated before completion, sponsored by Vor Biopharma.

TERMINATED
Registry status
Phase 1
Development phase
38 participants
Enrollment target

Study Summary

This is a Phase 1/2, multicenter, open-label, first-in-human (FIH) study of donor-derived anti-CD33 Chimeric Antigen Receptor (CAR) T cell therapy (VCAR33) in patients with relapsed or refractory Acute Myeloid Leukemia (AML) after human leukocyte antigen (HLA)-matched allogeneic hematopoietic cell transplant (alloHCT).

Interventions

  • BIOLOGICAL VCAR33

Trial Details

FieldValue
Enrollment Target 38 participants
Start Date 2023-12-11
Est. Completion 2025-05-28
Phase Phase 1
Vor Biopharma

6 total trials

Why NCT05984199 stopped before completion

NCT05984199 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 38 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (37% lower).

The record links to 0 conditions, and to 1 intervention - of which VCAR33 is the first listed.

NCT05984199 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT05984199 about?

NCT05984199 is a clinical study titled "Donor-Derived Anti-CD33 CAR T Cell Therapy (VCAR33) in Patients With Relapsed or Refractory AML After Allogeneic Hematopoietic Cell Transplant". This is a Phase 1/2, multicenter, open-label, first-in-human (FIH) study of donor-derived anti-CD33 Chimeric Antigen Receptor (CAR) T cell therapy (VCAR33) in patients with relapsed or refractory Acute Myeloid Leukemia (AML) after human leukocyte antigen (HLA)-matched allogeneic hematopoietic cell t...

What is the current status of trial NCT05984199?

This trial is currently terminated. It is a Phase 1 study. The enrollment target is 38 participants. The study started on 2023-12-11. Estimated completion is 2025-05-28.

What interventions are being tested in trial NCT05984199?

The interventions under investigation include: VCAR33 (BIOLOGICAL).

Who is sponsoring clinical trial NCT05984199?

This trial is sponsored by Vor Biopharma, which has 6 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT05984199's enrollment target sits among peer trials

38 1197th of 2000 higher than 797 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT05984199, the US trial registry maintained by the National Library of Medicine. NCT05984199 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.