Investigating how brain circuits in the amygdala affect pain perception and response to opioids

Pronociceptive and antinociceptive opioid mechanisms in the central nucleus of the amygdala

NIH-funded research University of Arizona · NIH-10670754

This study is looking at how certain brain pathways can change the way we feel pain, especially for people with chronic pain, to find safer ways to manage pain without addiction.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Arizona NIH-funded
Lab location1 site (Tucson, United States)
Project IDNIH-10670754 on NIH RePORTER

What this research studies

This research explores the role of the amygdala in pain modulation, focusing on how different opioid circuits can either enhance or reduce pain sensations. By examining the interactions between mu and kappa opioid receptors in the central nucleus of the amygdala, the study aims to uncover the molecular mechanisms that influence pain perception. The approach involves testing these mechanisms in both normal and chronic pain conditions to better understand how opioids work in the brain. The ultimate goal is to identify non-addictive pain management strategies that can improve patient outcomes.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals experiencing chronic pain who may benefit from new pain management therapies.

Not a fit: Patients who do not experience chronic pain or those who are not responsive to opioid treatments may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to the development of safer, non-addictive pain relief options for patients suffering from chronic pain.

How similar studies have performed: Previous research has shown promise in understanding pain modulation through brain circuits, but this specific investigation into the amygdala's role is relatively novel.

Where this research is happening

Tucson, 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.