Finding New Ways to Relieve Pain Without Addiction

Identification of allosteric molecules for DOR-KOR heteromer-mediated peripheral analgesia

NIH-funded research University of Texas Hlth Science Center · NIH-11137130

This work looks for new pain relief medicines that target specific pain-sensing nerves in the body, aiming to avoid the dangerous side effects of current opioid drugs.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Texas Hlth Science Center NIH-funded
Lab location1 site (San Antonio, United States)
Project IDNIH-11137130 on NIH RePORTER

What this research studies

Current pain medications often target the brain, leading to serious side effects like breathing problems and addiction, which has fueled the opioid crisis. This project explores a different approach by focusing on pain-sensing nerves outside the brain and spinal cord. We are looking for new drug-like molecules that can activate a specific combination of receptors, called DOR-KOR heteromers, found on these peripheral pain nerves. The goal is to develop pain relievers that work locally where pain starts, offering strong relief without affecting the brain.

Who could benefit from this research

Good fit: This foundational research is for anyone interested in the future development of non-addictive pain treatments, particularly those suffering from nociceptive pain.

Not a fit: Patients seeking immediate pain relief or direct participation in a clinical trial would not directly benefit from this early-stage laboratory research.

Why it matters

Potential benefit: If successful, this work could lead to new, safer pain medications that provide strong relief without the risk of addiction or severe side effects associated with current opioid drugs.

How similar studies have performed: The concept of targeting peripheral pain pathways is supported by the effectiveness of local anesthetics, but this specific approach using DOR-KOR heteromers and interprotomer allosterism is novel.

Where this research is happening

San Antonio, 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.