NIH-funded research R03 grant

Understanding how sensory neurons and mast cells interact in irritable bowel syndrome

Official title: Sensory neuron-mast cell crosstalk in IBS pathophysiology

Funded at University of Michigan at Ann Arbor · NIH-11111516 · Data updated 2026-11-12

This study is looking at how certain nerve cells and immune cells in the gut work together in people with irritable bowel syndrome (IBS) to cause symptoms like abdominal pain, with the hope of finding new ways to help manage the condition.

Quick facts

Grant typeR03 grant
Study typeNIH-funded research
Funding institutionUniversity of Michigan at Ann Arbor
NIH-funded
Lab location1 site (Ann Arbor, United States)
Project startJune 15, 2025
Project endMay 31, 2027
Funding year2025
Award (this year)$117,000
NIH project number1R03DK142736-01
Project IDNIH-11111516 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals diagnosed with diarrhea-predominant irritable bowel syndrome (IBS-D).

Less likely to help

Patients with other gastrointestinal disorders or those not diagnosed with IBS may not benefit from this research.

What this research studies

This research investigates the interactions between sensory neurons and mast cells in patients with irritable bowel syndrome (IBS), focusing on how these interactions contribute to abdominal pain and other symptoms. The study aims to uncover the mechanisms behind visceral hypersensitivity and barrier dysfunction, which are common in IBS. By examining the role of Substance P, a neuropeptide released by sensory neurons, the researchers will explore how it activates mast cells and affects gut health. This could lead to a better understanding of IBS and the development of targeted therapies.

Why it matters

Potential benefit: If successful, this research could lead to more effective treatments for abdominal pain in IBS patients.

How similar studies have gone: Previous research has indicated that understanding the role of mast cells and sensory neurons in gastrointestinal disorders can lead to significant advancements in treatment, suggesting a promising avenue for this investigation.

Where this research is happening

  • University of Michigan at Ann Arbor
    Ann Arbor, United States
    Active

Researchers

  • Principal investigator: Singh, Prashant — University of Michigan at Ann Arbor
  • Study coordinator: Singh, Prashant

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.
Last reviewed 2026-11-14 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.