Understanding Gut and Brain Connections in Parkinson's Disease

Parkinson Disease Neural Circuitry and Gastrointestinal Pathobiology

NIH-funded research Mayo Clinic Rochester · NIH-11090509

This project explores how changes in the gut and brain are connected in people with Parkinson's disease, especially focusing on digestive issues and brain function.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionMayo Clinic Rochester NIH-funded
Lab location1 site (Rochester, United States)
Project IDNIH-11090509 on NIH RePORTER

What this research studies

Many people with Parkinson's disease experience digestive problems, sometimes even before motor symptoms appear. This project aims to understand the complex links between these gut issues and changes in the brain. We are looking at how certain protein clumps, called alpha-synuclein, might travel from the gut to the brain, and how this relates to brain circuits, dopamine levels, and the gut's own nervous system. We will also examine the gut microbiome and protein changes in the digestive lining to get a full picture of these connections in people with Parkinson's. This is the first comprehensive look at these mechanisms in different groups of human patients.

Who could benefit from this research

Good fit: Ideal candidates would be individuals with Parkinson's disease who experience gastrointestinal symptoms, as well as those in early stages of the disease or at risk.

Not a fit: Patients who do not have Parkinson's disease or related gastrointestinal symptoms may not directly benefit from this specific research.

Why it matters

Potential benefit: If successful, this work could lead to new ways to identify Parkinson's disease earlier and develop better treatments for both digestive and cognitive symptoms.

How similar studies have performed: While some studies have explored individual aspects of gut-brain connection in Parkinson's, this project is novel in its multidisciplinary approach to characterize multiple mechanistic roles in human patients.

Where this research is happening

Rochester, 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.