How genes control opioid receptors

Molecular genetic mechanisms of opioid receptor signaling

NIH-funded research Seattle Children's Hospital · NIH-11323108

This project looks for genes that change how opioid receptors work using lab models to help guide safer pain treatments and addiction care.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionSeattle Children's Hospital NIH-funded
Lab location1 site (Seattle, United States)
Project IDNIH-11323108 on NIH RePORTER

What this research studies

Researchers use a tiny worm (C. elegans) engineered to carry the human mu-opioid receptor so the worms show opioid-like behaviors. They apply unbiased genetic screens to find genes that alter opioid responses such as sedation, tolerance, and dependence. Promising genes are then tested in rodent models to see if the same effects appear in mammals. The goal is to uncover molecular players that could become targets for safer opioids or treatments for opioid addiction and withdrawal.

Who could benefit from this research

Good fit: People living with chronic pain who use opioid medicines and people with opioid use disorder are the groups most likely to benefit from the discoveries and could be candidates for future clinical studies.

Not a fit: Patients not affected by opioid-related pain or addiction, or those needing immediate clinical care, would not directly benefit from this lab-focused research right away.

Why it matters

Potential benefit: If successful, this work could point to new targets for pain medicines that relieve pain with less tolerance and addiction, and suggest therapies for opioid use disorder.

How similar studies have performed: Related cross-species genetic work has previously identified opioid receptor regulators that translated from worms to rodents, so the approach has yielded promising leads before.

Where this research is happening

Seattle, 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 2026-06-14 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.