Targeting a specific receptor to develop a new treatment for glioblastoma

Targeting proton-sensing GPR68 as a ferroptosis-based therapy for glioblastoma

NIH-funded research Proton Bio, INC. · NIH-10819403

This study is looking at a new way to fight glioblastoma, a tough brain cancer, by testing special drugs that target a receptor activated in the acidic environment of tumors, with the hope of making cancer cells die in a new way, even those that don’t respond to regular treatments.

Quick facts

Grant typeSbir 1 grant
Study typeNIH-funded research
Funding institutionProton Bio, INC. NIH-funded
Lab location1 site (Baltimore, United States)
Project IDNIH-10819403 on NIH RePORTER

What this research studies

This research focuses on glioblastoma, a highly aggressive brain cancer that has seen little improvement in patient survival rates over the past 40 years. The study investigates a proton-sensing receptor, GPR68, which is activated in the acidic environment of glioblastoma tumors. By developing inhibitors that target this receptor, the research aims to induce a unique form of cell death called ferroptosis in cancer cells, including those resistant to standard treatments. The project will test these inhibitors in patient-derived tumor models to evaluate their effectiveness.

Who could benefit from this research

Good fit: Ideal candidates for this research are adults diagnosed with glioblastoma, particularly those who have not responded to conventional therapies.

Not a fit: Patients with other types of brain tumors or those who are not diagnosed with glioblastoma may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to a novel therapy that significantly improves survival rates for glioblastoma patients.

How similar studies have performed: While targeting GPR68 is a novel approach, previous research has shown promise in using similar strategies to target specific receptors in cancer therapy.

Where this research is happening

Baltimore, 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.