New antibody takes aim at Hard-to-Treat blood cancers

NCT ID NCT07586618

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Sep 02, 2026 · Updated 6 times

Summary

This early-stage trial tests a new antibody drug called 4A10 in 24 people with relapsed or hard-to-treat acute lymphoblastic leukemia or lymphoblastic lymphoma. 4A10 targets a protein on cancer cells to block growth signals and help the immune system attack them. The main goal is to check safety and find the right dose, with patients receiving weekly IV infusions for up to six cycles.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
4A10 (a monoclonal antibody that targets CD127 on leukemia cells)
What this could lead to
If it works, this could point toward a new targeted treatment option for people with hard-to-treat leukemia or lymphoma.
What could go wrong
This is a very early Phase 1 trial with only 24 participants, so it is primarily testing safety and dosing. The drug may not work or could have serious side effects.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

About 24 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jun 2026

Expected to finish

Sep 2028

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Key Inclusion Criteria: 1. Confirmed diagnosis of T/B-ALL or T/B-LL 2. Relapsed or refractory disease without curative options 3. Adequate organ function and performance status Key Exclusion Criteria: 1. Patients with CNS3 disease 2. Patients with DNA fragility syndromes (e.g., Fanconi, Bloom), trisomy 21 (Down Syndrome) 3. Prior exposure to anti-CD127 therapies 4. Uncontrolled infections

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Conditions

The condition(s) this trial relates to.

acute lymphoblastic leukemia leukemia lymphoblastic lymphoma Precursor Cell Lymphoblastic Leukemia-Lymphoma Recurrence

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    7 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Children's Hospital Colorado

    RECRUITING

    Aurora, Colorado, 80045, United States

  • Children's Hospital of Philadelphia

    NOT_YET_RECRUITING

    Philadelphia, Pennsylvania, 19104, United States

  • Cincinnati Children's Hospital Medical Center

    NOT_YET_RECRUITING

    Cincinnati, Ohio, 45229, United States

  • Cook Children's Medical Center

    RECRUITING

    Fort Worth, Texas, 76104, United States

  • Memorial Sloan Kettering Cancer Center

    RECRUITING

    New York, New York, 10065, United States

  • Riley Children's Hosptial

    RECRUITING

    Indianapolis, Indiana, 46202, United States

  • Texas Children's Hospital

    RECRUITING

    Houston, Texas, 77030, United States

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