New antibody takes aim at Hard-to-Treat blood cancers
NCT ID NCT07586618
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
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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About 24 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2026
- Expected to finish
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Sep 2028
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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.
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.
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The places running it
7 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Children's Hospital Colorado
RECRUITINGAurora, Colorado, 80045, United States
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Children's Hospital of Philadelphia
NOT_YET_RECRUITINGPhiladelphia, Pennsylvania, 19104, United States
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Cincinnati Children's Hospital Medical Center
NOT_YET_RECRUITINGCincinnati, Ohio, 45229, United States
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Cook Children's Medical Center
RECRUITINGFort Worth, Texas, 76104, United States
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Memorial Sloan Kettering Cancer Center
RECRUITINGNew York, New York, 10065, United States
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Riley Children's Hosptial
RECRUITINGIndianapolis, Indiana, 46202, United States
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Texas Children's Hospital
RECRUITINGHouston, Texas, 77030, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Can targeted drugs blinatumomab and venetoclax improve outcomes for childhood leukemia?
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- New drug combo aims to make stem cell transplants safer for blood cancer patients
- Can a children's chemo recipe help adults with leukemia? early trial adds venetoclax to the mix.