Investigating how potassium channels affect treatment of certain stomach tumors

Prognostic and Therapeutic Roles of Voltage Gated Potassium Channels in Managing KIT Mutant Gastrointestinal Stromal Tumors (GIST)

NIH-funded research University of California, San Diego · NIH-11132427

This study is looking at a type of tumor called gastrointestinal stromal tumors (GIST) that are caused by changes in a gene, and it’s testing whether combining a cancer drug with another medication can help make the treatment more effective for patients.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of California, San Diego NIH-funded
Lab location1 site (La Jolla, United States)
Project IDNIH-11132427 on NIH RePORTER

What this research studies

This research focuses on gastrointestinal stromal tumors (GIST) that are driven by specific mutations in the KIT gene. It aims to understand the role of voltage-gated potassium channels in these tumors and how they can be targeted to improve treatment outcomes. The study will explore the effectiveness of combining an existing cancer drug, imatinib, with a medication called 4-AP, which blocks potassium channels, to potentially enhance tumor cell death. Patients may be involved in trials assessing the safety and efficacy of this combination therapy.

Who could benefit from this research

Good fit: Ideal candidates for this research are patients diagnosed with gastrointestinal stromal tumors that have KIT mutations.

Not a fit: Patients with GIST that do not have KIT mutations or those who have already exhausted all treatment options may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to more effective treatment options for patients with KIT mutant GIST, potentially improving survival rates.

How similar studies have performed: Previous research has shown promising results with similar approaches in targeting cancer cells, suggesting potential for success in this novel combination therapy.

Where this research is happening

La Jolla, 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.