Medicines that remove the STAT5 protein to fight leukemia and other cancers

Small-molecule degraders of STAT5

NIH-funded research University of Michigan at Ann Arbor · NIH-11162336

New small-molecule drugs are being developed to remove the STAT5 protein in people with AML, CML, or other cancers driven by STAT5 to slow tumor growth.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Michigan at Ann Arbor NIH-funded
Lab location1 site (Ann Arbor, United States)
Project IDNIH-11162336 on NIH RePORTER

What this research studies

Researchers are designing small molecules that prompt cancer cells to break down the STAT5 protein rather than just block it. Their early lab work shows these degraders can remove STAT5 in human leukemia cells and shrink tumors in mouse models. The team uses structure-based design and protein crystallography to optimize drug potency, selectivity, and how the drug behaves in the body. If the optimized molecules prove safe and effective, the plan would be to move toward clinical testing in patients with STAT5-driven cancers.

Who could benefit from this research

Good fit: Patients whose leukemia or other tumors show high or hyperactive STAT5 signaling (for example some AML or CML patients) would be the most likely candidates for future trials.

Not a fit: Patients whose cancers do not rely on STAT5 or those needing immediate approved therapies are unlikely to benefit directly from this preclinical work in the short term.

Why it matters

Potential benefit: Could lead to a new targeted treatment that shrinks or controls STAT5-driven cancers such as certain AML and CML cases.

How similar studies have performed: Protein-degrading drugs (PROTAC-type approaches) have shown promise for other difficult targets and this team's cell and mouse data are encouraging, but human benefit has not yet been demonstrated.

Where this research is happening

Ann Arbor, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Conditions Cancer Treatment
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.