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Personalized dosing may improve stem cell transplant survival in blood cancer patients

NCT ID NCT07717164

Knowledge-focused Sponsor: Miltenyi Biomedicine GmbH Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 21, 2026 · Last updated Jul 29, 2026 · Updated 3 times

Summary

This study compares survival and other outcomes in patients with acute leukemia or myelodysplastic syndrome who received a stem cell transplant with a personalized dose of an immune-suppressing drug (r-ATG) to similar patients from a large registry who received standard treatments. The goal is to see if the personalized approach leads to better survival and fewer complications. Researchers will analyze data from a previous phase 2 study and compare it to registry data from patients who received standard care.

What this could mean

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

Active substance
personalized rabbit anti-thymocyte globulin (r-ATG) dosing with CD34-selected allogeneic hematopoietic cell transplant
What this could lead to
If successful, this could show that personalized r-ATG dosing improves survival and reduces complications in stem cell transplants for blood cancers.
What could go wrong
This is an observational comparison using historical registry data, not a randomized trial, so results may be influenced by differences between groups.

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.

Participants

About 51 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Sep 2026

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.

Who is studied

Disease: Patients with AML, MDS, and ALL

Ages

1 year to 66 years

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.

Inclusion Criteria: Arm A: Model-based ATG dosing CD34-selection (PRAISE-IR population) * Patients who participated in the PRAISE-IR single center phase II study * Patient age at transplant: ≥ 1 year and \< 66 years * HLA 8/8 MRD or MUD * Conditioning intensity: myeloablative * Conditioning regimens: Model-based ATG with TBI/Thiotepa/Cyclophospamide (TBI/Thio/Cy) or Busulfan/Melphalan/Fludarabine (Bu/Mel/Flu). * Morphologic complete remission at the time of alloHCT Arm B: Standard ATG dosing CD34-selection (CIBMTR population) * First AlloHCT in the US between 2021-2023 * Patient age at transplant: ≥ 1 year and \< 66 years * Disease: Patients with AML, MDS, and ALL * HLA 8/8 MRD or MUD * Peripheral blood stem cell allograft * Conditioning intensity: myeloablative conditioning * Conditioning regimens: standard dose ATG (2.5 mg/kg/day given on Day -4 and Day -3) * GVHD prophylaxis: ex vivo CD34 selection * Morphologic complete remission at the time of alloHCT Arm B\*:Standard ATG dosing CD34-selection (BMT CTN 1301 population) * Patients in BMT CTN 1301, who received the CD34-selected graft * Patient age at transplant: ≥ 1 year and \< 66 years * Disease:Patients with AML, MDS, and ALL * HLA 8/8 MRD or MUD * Peripheral blood stem cell allograft * Conditioning intensity: myeloablative conditioning * Conditoning regmens: TBI/Thiotepa/Cyclophospamide (TBI/Thio/Cy) or Busulfan/Melphalan/Fludarabine (Bu/Mel/Flu) and standard dose ATG (2.5 mg/kg/day given on Day -4 and Day -3) * GVHD prophylaxis: ex vivo CD34 selection * Morphologic complete remission at the time of alloHCT Arm C: Control CIBMTR population * First AlloHCT in the US between 2021-2023 * Patient age at transplant: ≥ 1 year and \< 66 years * Disease:Patients with AML, MDS, and ALL * HLA 8/8 MRD or MUD * Peripheral blood stem cell * Conditioning intensity: myeloablative conditioning * Conditioning regimens: Busulfan/Cyclophosphamide (Bu/Cy), Busulfan/Fludaranbine (Bu/Flu), Cyclophosphamide/TBI (Cy/TBI), TBI/Etopsoside * GVHD prophyalxis: / CNI or PTCy-based * CNI-based: CNI (tacrolimus or ciclosporin) plus MTX * PTCy-based: Cyclophosphamide on day +3 and +4 (50 mg/kg/d) combined with CNI and mycophenolate mofetil (MMF) Exclusion Criteria: Patients will be entered into this trial only if they meet none of the following criteria: Arm A: Model-based ATG dosing CD34-selection (PRAISE-IR population) * HLA \<8/8 MRD or MUD Arm B: Standard ATG dosing CD34-selection (CIBMTR population) * Patients who participated in the PRAISE-IR study * Patients who did not sign consent for research * Patient transplanted at a center that does not meet CIBMTR data quality standards * Use of CNI-(Tac/MTX) or PTCy-based GVHD prophylaxis Arm B\*:Standard ATG dosing CD34-selection (BMT CTN 1301 population) * Patients who did not sign consent for research * Patient transplanted at a center that does not meet CIBMTR data quality standards * Use of CNI- or PTCy-based GVHD prophylaxis Arm C: Control CIBMTR population * Patients who did not sign consent for research * Patient transplanted at a center that does not meet CIBMTR data quality standards * Use of ATG and/or alemtuzumab * Patients who received PTCy with sirolimus (and not a CNI) * Use of ex vivo CD34 selection

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Conditions

The condition(s) this trial relates to.

acute lymphoblastic leukemia acute myeloid leukemia myelodysplastic syndrome myelodysplastic syndrome with excess blasts precursor B-cell acute lymphoblastic leukemia

As listed by the trial registrant

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

All (acute B-lymphoblastic leukemia) AML - acute myeloid leukemia MDS (myelodysplastic syndrome)

How to take part

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

  1. The places running it

    1 site. 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

  • Memorial Sloan Kettering Cancer center

    New York, New York, 10021, United States

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