How gut bacteria affect memory and stress from early life

Gut Microbiome Contributions to Human Episodic Memory and the Role of Early Life Stress

['FUNDING_R21'] · HARVARD UNIVERSITY · NIH-10726345

This study is looking at how the bacteria in our gut might affect our memory, especially for people who have experienced stress early in life, and it aims to find ways to improve memory and mood by understanding these connections better.

Quick facts

Phase['FUNDING_R21']
Study typeNih_funding
SexAll
SponsorHARVARD UNIVERSITY (nih funded)
Locations1 site (CAMBRIDGE, UNITED STATES)
Trial IDNIH-10726345 on ClinicalTrials.gov

What this research studies

This research investigates the connection between gut microbiota and episodic memory, particularly focusing on how early life stress influences this relationship. By analyzing the gut bacteria of both healthy individuals and those experiencing depressive symptoms, the study aims to identify specific microbiota profiles that correlate with memory function. The approach involves a large sample size to ensure robust findings, moving beyond previous studies that often relied on small groups and less relevant probiotic interventions. Ultimately, the goal is to develop targeted microbiome interventions that could enhance memory and emotional well-being.

Who could benefit from this research

Good fit: Ideal candidates for this research include individuals with depressive symptoms and those interested in understanding the impact of gut health on memory.

Not a fit: Patients without any memory issues or depressive symptoms may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new treatments that improve memory and reduce depressive symptoms by targeting gut microbiota.

How similar studies have performed: While there is emerging evidence from animal studies supporting the brain-gut axis, this research aims to explore a relatively novel approach in humans, making it a potentially groundbreaking investigation.

Where this research is happening

CAMBRIDGE, 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 →

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.