Targeted drug strategies for RAS-driven childhood rhabdomyosarcoma

Improving Therapeutic Approaches for RAS-driven Rhabdomyosarcoma

NIH-funded research Oregon Health & Science University · NIH-11303331

This project will try combinations of drugs that block RAF-MEK signaling to treat children with RAS-mutant embryonal rhabdomyosarcoma.

Quick facts

Grant typeR37 grant
Study typeNIH-funded research
Funding institutionOregon Health & Science University NIH-funded
Lab location1 site (Portland, United States)
Project IDNIH-11303331 on NIH RePORTER

What this research studies

From a patient's perspective, researchers are developing less-damaging, targeted treatments for high-risk childhood rhabdomyosarcoma that has RAS mutations. They use patient-derived tumor models (PDX/CDX) and laboratory tests to see how new RAF inhibitors combined with MEK inhibitors shrink tumors. The team is also studying how tumors become resistant to these drug combinations so they can design better, longer-lasting treatments. Results are intended to guide safer, more effective clinical therapies for children in the future.

Who could benefit from this research

Good fit: Children (typically infants to preteens) with embryonal rhabdomyosarcoma that carries RAS mutations, especially advanced or high-risk cases, would be the primary candidates for the therapies this project targets.

Not a fit: Patients without RAS mutations, with different sarcoma subtypes, or adults with unrelated cancers are unlikely to benefit directly from these specific approaches.

Why it matters

Potential benefit: If successful, this work could lead to more effective, less-genotoxic treatments that improve survival and reduce lifelong side effects for children with RAS-mutant ERMS.

How similar studies have performed: Preclinical work using RAF plus MEK inhibitors has produced dramatic tumor regressions in models, but these combinations have not yet been curative and clinical evidence remains limited.

Where this research is happening

Portland, 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.
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.