NIH-funded research R21 grant

Safer non-opioid medicines for nerve pain from chemotherapy

Official title: Flupirtine Analogue Synthesis and Screening for the Treatment of Chemotherapy-Induced Neuropathic Pain

Funded at University of Nebraska Medical Center · NIH-11267965 · Data updated 2026-11-12

Testing new versions of the pain drug flupirtine to help people with chemotherapy-related nerve pain while lowering the risk of liver damage.

More Chemotherapy research and trials

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Nebraska Medical Center
NIH-funded
Lab location1 site (Omaha, United States)
Project startApril 1, 2025
Project endMarch 31, 2027
Funding year2026
Award (this year)$215,284
NIH project number5R21CA298918-02
Project IDNIH-11267965 on NIH RePORTER

Who could benefit from this research

Could help

People who have nerve pain caused by chemotherapy (chemotherapy-induced neuropathic pain) and who find current pain medicines inadequate could be eventual candidates for related clinical trials.

Less likely to help

Patients whose pain is not related to chemotherapy or who already have severe liver disease may not benefit from these specific drug candidates.

What this research studies

Researchers are creating and screening new flupirtine-like compounds that aim to keep pain relief but avoid the liver toxicity that limited the original drug. They have already found one compound that worked in mouse models and was metabolized faster with no liver injury after injection. The team will synthesize additional analogues and test them in laboratory and mouse models of short- and long-term chemotherapy-induced neuropathic pain, measuring pain behaviors and liver safety. Successful candidates would be prioritized for further development toward human testing.

Why it matters

Potential benefit: If successful, this work could lead to a non-opioid treatment that reduces chemotherapy-related nerve pain with lower risk of liver injury.

How similar studies have gone: The original drug flupirtine relieved pain in clinical use but was withdrawn due to rare severe liver toxicity, and this analogue approach is relatively new with promising results so far in mice but not yet tested in people.

Where this research is happening

  • University of Nebraska Medical Center
    Omaha, United States
    Active

Researchers

  • Principal investigator: Duan, Bin — University of Nebraska Medical Center
  • Study coordinator: Duan, Bin

Related research

Other NIH-funded projects on the same topics.

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.
Last reviewed 2026-11-14 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.