How gut microbes shape daily body rhythms and sex differences in digestion and immunity

Microbial regulation of mammalian circadian rhythms and the sexual dimorphism: from metabolism to immunity

['FUNDING_OTHER'] · CARNEGIE-MELLON UNIVERSITY · NIH-11241792

This work looks at how gut bacteria control daily rhythms in the intestine to help men and women balance nutrient absorption and immune defense.

Quick facts

Phase['FUNDING_OTHER']
Study typeNih_funding
SexAll
SponsorCARNEGIE-MELLON UNIVERSITY (nih funded)
Locations1 site (PITTSBURGH, UNITED STATES)
Trial IDNIH-11241792 on ClinicalTrials.gov

What this research studies

Researchers will track daily (circadian) changes in the cells lining the gut and in the gut microbial community to see how those cycles affect nutrient uptake and immune responses. They will compare male and female patterns to understand sex-specific differences and use molecular tools to identify the gene- and epigenetic-level switches involved. Experiments will combine microbial analyses, cell and tissue assays, and temporal sampling across the day-night cycle. Findings may point to times of day or microbiome targets that improve digestion or reduce gut inflammation.

Who could benefit from this research

Good fit: People with digestive conditions (for example inflammatory bowel disease or metabolic gut disorders) or those willing to provide stool or tissue samples would be the most relevant candidates for related participation or sample donation.

Not a fit: Patients with conditions unrelated to gut function or immune/metabolic regulation are unlikely to see direct benefits from this research in the near term.

Why it matters

Potential benefit: If successful, this could lead to therapies or timing of treatments that improve digestion and gut immune protection, potentially tailored by sex.

How similar studies have performed: Prior animal and some human studies have linked the microbiome to intestinal circadian rhythms, but applying these findings to sex-specific epigenetic mechanisms and therapies is relatively new and still early-stage.

Where this research is happening

PITTSBURGH, 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.

View on NIH RePORTER →

Conditions: Digestive Diseases, Digestive System Diseases

Last reviewed 2026-05-15 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.