How fentanyl affects breathing regulation through specific receptors in the carotid body

 opioid receptor activation of the carotid body mitigates OIRD by fentanyl

NIH-funded research University of Chicago · NIH-10928988

This study is looking at how fentanyl, a pain medicine, affects breathing and aims to find ways to prevent breathing problems while still helping with pain, using experiments on rats and mice to learn more about how it works.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Chicago NIH-funded
Lab location1 site (Chicago, United States)
Project IDNIH-10928988 on NIH RePORTER

What this research studies

This research investigates how fentanyl, a common opioid used for pain relief, impacts breathing by activating certain receptors in the carotid body, which plays a crucial role in regulating respiratory function. The study aims to understand the mechanisms behind opioid-induced respiratory depression (OIRD), a serious side effect of fentanyl use. By examining the interaction between fentanyl and kappa-opioid receptors, the researchers hope to find ways to prevent OIRD while maintaining the pain-relieving effects of fentanyl. The research will involve experiments on rats and mice to explore these interactions and their implications for patient safety.

Who could benefit from this research

Good fit: Ideal candidates for this research are patients who require opioid medications for chronic pain management and are at risk of respiratory depression.

Not a fit: Patients who do not use opioids or have no history of respiratory issues may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to safer opioid treatments that reduce the risk of respiratory depression in patients using fentanyl.

How similar studies have performed: Previous research has shown promising results in exploring receptor interactions in opioid treatments, suggesting potential for success in this approach.

Where this research is happening

Chicago, 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.