How Gut Bacteria Affect Hair Loss in Alopecia Areata

Influence of the Microbiome on the Natural History of Alopecia Areata

NIH-funded research Columbia University Health Sciences · NIH-10814252

This project explores how the bacteria in our gut might influence the progression of alopecia areata, a condition that causes hair loss.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionColumbia University Health Sciences NIH-funded
Lab location1 site (New York, United States)
Project IDNIH-10814252 on NIH RePORTER

What this research studies

Alopecia areata is an autoimmune condition where the body's immune system mistakenly attacks hair follicles, leading to hair loss. While genetics play a role, environmental factors are also important, and this project focuses on the gut microbiome as a potential trigger. We aim to understand how the complex community of bacteria in the intestines might affect the immune system and contribute to the development or worsening of alopecia areata. By looking at how these gut bacteria change over time, we hope to uncover new insights into this condition.

Who could benefit from this research

Good fit: Individuals with alopecia areata, including those with patchy hair loss, total scalp hair loss, or total body hair loss, may be ideal candidates for future related studies.

Not a fit: Patients whose hair loss is not related to an autoimmune condition or the gut microbiome may not receive direct benefit from this specific line of inquiry.

Why it matters

Potential benefit: If successful, this work could lead to new ways to prevent or treat alopecia areata by targeting the gut microbiome.

How similar studies have performed: While the gut microbiome is increasingly linked to autoimmune diseases, this project is novel in its focus on longitudinal studies specifically for alopecia areata.

Where this research is happening

New York, 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.
Conditions Autoimmune Diseases
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.