New combo therapy aims to improve stem cell transplants for leukemia patients

NCT ID NCT00544466

First seen Jun 27, 2026 ยท Last updated Jun 27, 2026

Summary

This study tests a new conditioning regimen using a precise type of radiation (helical tomotherapy) along with two chemotherapy drugs (fludarabine and melphalan) before a donor stem cell transplant. The goal is to reduce side effects and improve outcomes for people with leukemia or myelodysplastic syndromes. The trial enrolled 75 participants and is no longer recruiting.

What this could mean

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

Active substance
fludarabine phosphate, melphalan, and radiation therapy
What this could lead to
If successful, this approach could make stem cell transplants safer and more effective for people with blood cancers.
What could go wrong
This is an early-phase trial with only 75 participants, so results may not apply broadly. There are risks of serious side effects from the chemotherapy and radiation.

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Conditions

The condition(s) this trial relates to.

acute lymphoblastic leukemia acute myeloid leukemia Congenital Abnormalities leukemia myelodysplastic syndrome Myelodysplastic Syndromes Precursor Cell Lymphoblastic Leukemia-Lymphoma

As listed by the trial registrant

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

Contacts and locations

Locations

  • City of Hope Medical Center

    Duarte, California, 91010-3000, United States

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