How the trigeminal ganglion's internal clock affects headache pain

Regulation of headache pain responses by the Trigeminal ganglion clock

NIH-funded research University of Texas Hlth Sci Ctr Houston · NIH-11300226

This project looks at whether the internal clock in the trigeminal ganglion helps explain daily patterns of pain in migraine and cluster headache.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Texas Hlth Sci Ctr Houston NIH-funded
Lab location1 site (Houston, United States)
Project IDNIH-11300226 on NIH RePORTER

What this research studies

Researchers are studying the biological clock inside the trigeminal ganglion, the nerve cluster linked to headache pain. They grow trigeminal tissue in the lab and use a mouse model that mimics headache to track when pain sensitivity rises and falls over the day. The team reads gene activity across the day with RNA sequencing and turns off core clock genes to see which molecules control rhythmic pain responses. The aim is to identify clock-regulated targets that could help time treatments for better pain control.

Who could benefit from this research

Good fit: People with migraine or cluster headache, especially those who notice a daily pattern to their attacks, would be most relevant.

Not a fit: People without headache disorders or whose headaches show no daily timing are unlikely to see direct benefit from this work.

Why it matters

Potential benefit: If successful, this work could enable timing of treatments to when they work best, reducing headache severity or frequency.

How similar studies have performed: Prior animal and some human observations have linked circadian clocks to pain timing, but applying clock-based treatments for headache is still largely untested.

Where this research is happening

Houston, 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.