NIH-funded research R01 grant

Understanding how kappa opioid receptors work to improve pain management and reduce addiction risks

Official title: Mechanisms and Regulations of kappa Opioid Receptor Signaling

Funded at Washington University · NIH-11111366 · Data updated 2026-11-12

This study is looking at a special receptor in the body that could help manage pain and treat addiction in a safer way than traditional opioids, so patients can find relief without the harsh side effects.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionWashington University
NIH-funded
Lab location1 site (Saint Louis, United States)
Project startJune 15, 2024
Project endMarch 31, 2029
Funding year2025
Award (this year)$454,994
NIH project number5R01DA058020-02
Project IDNIH-11111366 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research include individuals suffering from chronic pain or addiction disorders who are seeking alternative treatment options.

Less likely to help

Patients who do not experience pain or addiction issues may not receive any benefit from this research.

What this research studies

This research investigates the kappa opioid receptor (KOR) as a potential alternative for pain management and addiction treatment. By exploring the mechanisms and regulators that control KOR signaling, the study aims to identify new ways to alleviate pain without the severe side effects associated with traditional opioids. The research involves detailed analysis of KOR interactions with various G proteins and β-arrestins, which are crucial for understanding how these receptors can be effectively targeted for therapeutic benefits. Patients may benefit from new treatment options that are safer and less addictive than current opioid medications.

Why it matters

Potential benefit: If successful, this research could lead to safer pain management options that reduce the risk of addiction and overdose.

How similar studies have gone: Previous research has shown promise in targeting kappa opioid receptors for pain relief and addiction treatment, indicating that this approach could be a significant advancement in the field.

Where this research is happening

  • Washington University
    Saint Louis, United States
    Active

Researchers

  • Principal investigator: Che, Tao — Washington University
  • Study coordinator: Che, Tao

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.