NIH-funded research U01 cooperative agreement

Gut-immune changes in Lewy Body Diseases and early signs

Official title: Role of altered gut immune response in Lewy Body Disease

Funded at Stanford University · NIH-11596965 · Data updated 2026-11-12

A study at Stanford will explore how the gut and its immune system may be linked to Lewy Body diseases like Parkinson’s and related conditions, with findings that could point to new ways to understand and someday treat these illnesses.

More Lewy Body Disease research and trials

Quick facts

Grant typeU01 cooperative agreement
Study typeNIH-funded research
Funding institutionStanford University
NIH-funded
Lab location1 site (Stanford, United States)
Project startSeptember 1, 2024
Project endJune 30, 2029
Funding year2026
Award (this year)$200,000
NIH project number3U01DK140939-03S1
Project IDNIH-11596965 on NIH RePORTER

Who could benefit from this research

Could help

Adults diagnosed with Lewy Body diseases (PD or DLB) or individuals at prodromal stages such as iRBD.

Less likely to help

Individuals without Lewy Body diseases or related prodromal conditions may not benefit directly.

What this research studies

This project will look at how the gut microbiome and immune cells in the gut interact with brain pathology in Lewy Body diseases. Researchers will use advanced technologies to study immune and microbiome signals in people with Parkinson’s, dementia with Lewy bodies, and those at prodromal stages such as isolated REM sleep behavior disorder. The work includes analyzing gut macrophages that resemble brain immune cells and their role in clearing abnormal proteins linked to disease. By integrating genetic, immune, microbiome, and physiological data, the team aims to map how peripheral organs contribute to disease signatures and progression.

Why it matters

Potential benefit: If successful, the work could uncover new targets or biomarkers for early detection and future therapies for Lewy Body diseases.

How similar studies have gone: Previous studies suggest gut-immune interactions are important in Lewy Body diseases, but comprehensive human studies are still developing.

Where this research is happening

  • Stanford University
    Stanford, United States
    Active

Researchers

  • Principal investigator: Poston, Kathleen Lombard — Stanford University
  • Study coordinator: Poston, Kathleen Lombard

Related research

Other NIH-funded projects on the same topics.

  • Gut-immune system links in Lewy Body Disease

    Researchers are studying how the gut and immune system may influence Lewy body diseases like Parkinson’s and dementia with Lewy bodies, aiming to uncover new clues that could lead to better diagnosis and treatment in the future.

    NIH research Stanford University · Stanford, United States · NIH-11372296

  • Amygdala’s role in Lewy body disease and Alzheimer’s disease

    A clinician-science training grant to help Dr. D. Luke Fischer study how the amygdala may drive the spread of disease in people with Lewy body disease and Alzheimer’s disease.

    NIH research University of California, San Francisco · San Francisco, United States · NIH-11371857

  • Gut immune changes in Lewy body disorders

    This project looks at whether changes in gut immune signals and gut bacteria are linked to Parkinson's disease, dementia with Lewy bodies, and people with early signs like REM sleep behavior disorder.

    NIH research Stanford University · Stanford, United States · NIH-11369405

  • Automated Neurodegeneration Index for Lewy Body Disease in At-Risk Groups

    A new machine‑learning tool analyzes routine brain scans to identify early neurodegeneration in people at risk for Parkinson’s disease or dementia with Lewy bodies.

    NIH research University of Florida · Gainesville, United States · NIH-11342086

  • Identifying molecules that interact with alpha-synuclein in Alzheimer's disease–related dementias

    A study at Mayo Clinic Jacksonville will map which proteins interact with alpha-synuclein in brain tissue and human-derived cells to understand its role in dementia like Lewy body disease and Alzheimer’s-related dementias.

    NIH research Mayo Clinic Jacksonville · Jacksonville, United States · NIH-11319079

  • Restoring the brain's cleanup cells to help in Lewy body disease

    This project looks at whether removing and then regrowing the brain's immune cells can help clear harmful protein clumps that damage people with Lewy body disease.

    NIH research Duquesne University · Pittsburgh, United States · NIH-11194408

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.