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NCT06994676 · ClinicalTrials.gov registry record · Phase 1

A Study of CBX-250 in Participants With Relapsed or Refractory Myeloid Leukemias

A Phase 1 study of Chronic Myeloid Leukemia and High Risk Myelodysplastic Syndrome, sponsored by Crossbow Therapeutics.

Recruiting
Registry status
Phase 1
Development phase
72
Enrollment target
11
Study locations

NCT06994676: Recruiting Phase 1 study of Chronic Myeloid Leukemia and High Risk Myelodysplastic Syndrome, sponsored by Crossbow Therapeutics.

NCT06994676 is a Phase 1 study of Chronic Myeloid Leukemia and High Risk Myelodysplastic Syndrome that is actively recruiting participants, run by Crossbow Therapeutics. The registered enrollment target is 72 participants, below the 208-participant average among 35 other Chronic Myeloid Leukemia trials with a reported enrollment target (65% lower). The trial reports 11 study locations across 9 states. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT06994676, a Phase 1 study of Chronic Myeloid Leukemia and High Risk Myelodysplastic Syndrome, is actively recruiting participants, sponsored by Crossbow Therapeutics.

RECRUITING
Registry status
Phase 1
Development phase
72 participants
Enrollment target
11
Study locations

Study Summary

Study CBX-250-001 is a Phase 1, open-label, dose-escalation study of CBX-250 in participants with relapsed/refractory AML, HR-MDS, CMML, and CML. Participants aged ≥ 12 years are planned to be enrolled. CBX-250 will initially be investigated on a fixed step-up dosing schedule. CBX-250 will be administered subcutaneously in 28-day cycles, with the first study drug dose administered on Cycle 1, Day 1. Cycle 1 will consist of a priming phase over 7 days, and a target phase over 28 days. Participants will continue CBX-250 until progressive disease (PD) or unacceptable toxicity. All subsequent treatment cycles will be 28 days.

Primary Outcome

Frequency and type of DLT

Interventions

  • DRUG CBX-250

Study Locations (11)

California

  • City of Hope - Duarte
  • Stanford Medical Center - Palo Alto

Tennessee

  • Sarah Cannon Cancer Institute - Nashville
  • Vanderbilt University Medical Center - Nashville

Florida

  • Moffitt Cancer Center - Tampa

Illinois

  • Northwestern Medicine - Chicago

Massachusetts

  • Dana Farber Cancer Institute - Boston

Missouri

  • Washington University in St. Louis - St Louis

New York

  • Memorial Sloan Kettering Cancer Center - New York

Pennsylvania

  • Thomas Jefferson University Hospital - Philadelphia

Trial Details

FieldValue
Enrollment Target 72 participants
Start Date 2025-07-16
Est. Completion 2027-06
Phase Phase 1
Crossbow Therapeutics

1 total trials

What NCT06994676 shows while recruiting

NCT06994676 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 72 participants, a relatively small participant target, below the 208-participant average among 35 other Chronic Myeloid Leukemia trials with a reported enrollment target (65% lower).

The record links to 4 conditions, with Chronic Myeloid Leukemia appearing as the primary indexed condition, and to 1 intervention - of which CBX-250 is the first listed.

NCT06994676 lists 11 locations in 9 states (California, Tennessee, Florida).

Frequently Asked Questions

What is clinical trial NCT06994676 about?

NCT06994676 is a clinical study titled "A Study of CBX-250 in Participants With Relapsed or Refractory Myeloid Leukemias". Study CBX-250-001 is a Phase 1, open-label, dose-escalation study of CBX-250 in participants with relapsed/refractory AML, HR-MDS, CMML, and CML. Participants aged ≥ 12 years are planned to be enrolled. CBX-250 will initially be investigated on a fixed step-up dosing schedule. CBX-250 will be admini...

What is the current status of trial NCT06994676?

This trial is currently recruiting. It is a Phase 1 study. The enrollment target is 72 participants. The study started on 2025-07-16. Estimated completion is 2027-06.

What conditions does trial NCT06994676 study?

This clinical trial studies the following conditions: Chronic Myeloid Leukemia, High Risk Myelodysplastic Syndrome, Chronic Myelomonocytic Leukemia (CMML), AML (Acute Myeloid Leukemia).

What interventions are being tested in trial NCT06994676?

The interventions under investigation include: CBX-250 (DRUG).

Who is sponsoring clinical trial NCT06994676?

This trial is sponsored by Crossbow Therapeutics, which has 1 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT06994676 being conducted?

This trial has 11 study locations across California, Florida, Illinois, Massachusetts, Missouri. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Chronic Myeloid Leukemia

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT06994676's enrollment target sits among peer trials

72 17th of 35 higher than 18 of 35 other Chronic Myeloid Leukemia trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Chronic Myeloid Leukemia 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 NCT06994676, the US trial registry maintained by the National Library of Medicine. NCT06994676 (small enrollment · multi site footprint · recruiting) retrieved and formatted by PlainTrial, see methodology.