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New drug cocktail aims to tame deadly transplant side effect

NCT ID NCT07238712

Disease control Sponsor: St. Petersburg State Pavlov Medical University Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This phase 2 trial tests whether adding two drugs, ruxolitinib and abatacept, to standard transplant care can prevent graft-versus-host disease (GVHD) in 60 patients with high-risk myeloid cancers like AML and MDS. Participants receive a stem cell transplant from a partially matched donor. The goal is to reduce life-threatening complications and improve overall survival.

What this could mean

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

Active substance
ruxolitinib and abatacept (Orencia)
What this could lead to
If successful, this could reduce serious complications like graft-versus-host disease after transplant, improving survival for patients with high-risk blood cancers.
What could go wrong
This is a small, early-phase trial with only 60 participants. The new drug combination may not work better than standard care and could have unexpected 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 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 60 people

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

Started

May 2025

Expected to finish

Dec 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

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

Ages

18 to 70 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: * Patients with indication for allogeneic hematopoietic stem cell transplantation * Patients with \<10/10 HLA-matched related or unrelated donor available. The donor and recipient must be identical by the following genetic loci: HLA-A, HLA-B, HLA-Cw, HLA-DRB1, and HLA-DQB1. * Peripheral blood stem cells or bone marrow as a graft source * Diagnosis: Acute myeloid leukemia Chronic myeloid leukemia, Ph+ Myelodysplastic Syndromes Myeloprolipherative neoplasms - High-risk disease defined as: Acute myeloid leukemia: \>5% of clonal blasts in bone marrow despite adequate previous induction therapy or allogeneic stem cell transplantation Myelodysplastic Syndrome: \>5% of blasts despite previous therapy Myeloid malignancy with with -7 or complex karyotype, or p53 mutation regardless of blast count in bone marrow Treatment-related myelodysplastic syndrome Second or subsequent allogeneic HCT after relapse of a myeloid malignancy Chronic myelomonocytic leukemia Myeloprolipherative neoplasms, unclassifiable \- No severe concurrent illness Exclusion Criteria: * Patients with indication for allogeneic hematopoietic stem cell transplantation * Patients with \<10/10 HLA-matched related or unrelated donor available. The donor and recipient must be identical by the following genetic loci: HLA-A, HLA-B, HLA-Cw, HLA-DRB1, and HLA-DQB1. * Peripheral blood stem cells or bone marrow as a graft source * Diagnosis: Acute myeloid leukemia Chronic myeloid leukemia, Ph+ Myelodysplastic Syndromes Myeloprolipherative neoplasms - High-risk disease defined as: Acute myeloid leukemia: \>5% of clonal blasts in bone marrow despite adequate previous induction therapy or allogeneic stem cell transplantation Myelodysplastic Syndrome: \>5% of blasts despite previous therapy Myeloid malignancy with with -7 or complex karyotype, or p53 mutation regardless of blast count in bone marrow Treatment-related myelodysplastic syndrome Second or subsequent allogeneic HCT after relapse of a myeloid malignancy Chronic myelomonocytic leukemia Myeloprolipherative neoplasms, unclassifiable \- No severe concurrent illness

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Conditions

The condition(s) this trial relates to.

acute myeloid leukemia atypical chronic myeloid leukemia, BCR-ABL1 negative chronic myelogenous leukemia, BCR-ABL1 positive chronic myelomonocytic leukemia graft versus host disease Leukemia, Myelogenous, Chronic, BCR-ABL Positive Leukemia, Myeloid, Chronic, Atypical, BCR-ABL Negative myelodysplastic syndrome Myelodysplastic Syndromes myeloproliferative neoplasm

As listed by the trial registrant

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

Acute myeloid leukemia (AML) Atypical chronic myeloid leukemia Chronic myeloid leukemia Myelodysplastic syndromes (MDS) Myeloprolipherative neoplsm

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

  • Pavlov University

    RECRUITING

    Saint Petersburg, 197022, Russia

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