NIH-funded research R01 grant

How gut bacteria communicate with the brain and affect blood pressure.

Official title: Bacterial extracellular vesicles in microbiota-brain communication and hypertension

Funded at Baylor College of Medicine · NIH-11020038 · Data updated 2026-11-12

This study is looking at how the bacteria in your gut might influence high blood pressure by sending signals to your brain, and it hopes to find new ways to improve heart health for people dealing with hypertension.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionBaylor College of Medicine
NIH-funded
Lab location1 site (Houston, United States)
Project startJanuary 1, 2025
Project endNovember 30, 2028
Funding year2025
Award (this year)$616,521
NIH project number1R01HL176554-01
Project IDNIH-11020038 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals with hypertension or those at risk of developing high blood pressure.

Less likely to help

Patients without hypertension or those with conditions unrelated to gut health may not benefit from this research.

What this research studies

This research investigates how changes in gut bacteria can lead to high blood pressure through a communication system between the gut and the brain. It focuses on the role of bacterial extracellular vesicles, which are tiny particles released by bacteria, in causing inflammation that may affect blood pressure regulation. By studying these mechanisms, the research aims to uncover new pathways that link gut health to cardiovascular health, potentially leading to innovative treatments for hypertension.

Why it matters

Potential benefit: If successful, this research could lead to new strategies for preventing or treating high blood pressure by targeting gut bacteria.

How similar studies have gone: Other research has shown promising results in understanding the gut-brain connection and its impact on various health conditions, suggesting that this approach could yield valuable insights.

Where this research is happening

  • Baylor College of Medicine
    Houston, United States
    Active

Researchers

  • Principal investigator: Durgan, David J — Baylor College of Medicine
  • Study coordinator: Durgan, David J

Related research

Other NIH-funded projects on the same topics.

  • Gut Restore-PAH: Microbiota Transplant to Help Pulmonary Angiopathy

    A small pilot study will test whether transplanting healthy gut bacteria, with antibiotics beforehand and fiber support, can help people with pulmonary arterial hypertension.

    NIH research University of Minnesota · Minneapolis, United States · NIH-11354274

  • Minocycline to lower hard-to-control high blood pressure by targeting the gut–brain–immune link

    Looks at whether the antibiotic minocycline can help people with resistant high blood pressure by changing gut bacteria and calming inflammation that affects the brain and immune system.

    NIH research University of Florida · Gainesville, United States · NIH-11292408

  • Tiny particles from gut bacteria and their role in high blood pressure

    The team is testing whether tiny packages released by gut bacteria cause inflammation that leads to high blood pressure, which could help people with hypertension.

    NIH research Baylor College of Medicine · Houston, United States · NIH-11251927

  • Understanding how gut bacteria affect high blood pressure

    This study is looking at how the bacteria in your gut might affect high blood pressure, especially for those who don't respond to usual treatments, and it aims to find new ways to help manage this condition using advanced technology.

    NIH research University of South Florida · Tampa, United States · NIH-11187793

  • How minocycline affects blood pressure in resistant hypertension

    This study is looking at how the antibiotic minocycline might help people with stubborn high blood pressure by exploring how our gut bacteria, brain, and immune system work together, and it aims to find better ways to manage this condition, especially for those who don't respond well to usual treatments.

    NIH research University of Florida · Gainesville, United States · NIH-11040333

  • HEARTS hypertension and diabetes care in Guatemala

    This grant tests how well the HEARTS primary care model works in Guatemala to improve blood pressure and blood sugar control for patients.

    NIH research University of Michigan at Ann Arbor · Ann Arbor, United States · NIH-11645315

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.