NIH-funded research R21 grant

Using light to improve heart function in diabetes patients

Official title: Optogenetic modulation of cardiac vagal function improves prognosis in diabetes

Funded at University of Texas Hlth Sci Ctr Houston · NIH-10900922 · Data updated 2026-11-12

This study is exploring a new way to help people with type 2 diabetes who have heart rhythm problems by using a tiny device that uses light to gently stimulate a nerve in the heart, aiming to make their hearts healthier and reduce the risk of dangerous rhythms.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Texas Hlth Sci Ctr Houston
NIH-funded
Lab location1 site (Houston, United States)
Project startSeptember 1, 2023
Project endJanuary 31, 2026
Funding year2024
Award (this year)$195,000
NIH project number7R21HL163509-02
Project IDNIH-10900922 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals diagnosed with type 2 diabetes who experience cardiac arrhythmias.

Less likely to help

Patients without type 2 diabetes or those who do not have heart rhythm issues may not benefit from this research.

What this research studies

This research investigates a new approach to treat heart rhythm problems in patients with type 2 diabetes by using a technique called optogenetics. Instead of traditional methods that can cause side effects, this study aims to use a miniaturized implant that precisely targets the heart's vagal nerve to enhance its function. By activating specific nerve cells with light, the goal is to reduce the risk of dangerous heart rhythms and improve overall heart health. This innovative method could provide a safer and more effective treatment option for managing cardiac issues in diabetic patients.

Why it matters

Potential benefit: If successful, this research could lead to safer treatments for heart rhythm disorders in diabetes patients, potentially reducing the risk of sudden cardiac death.

How similar studies have gone: While optogenetics is a novel approach in this context, similar techniques have shown promise in other areas of medical research, indicating potential for success.

Where this research is happening

  • University of Texas Hlth Sci Ctr Houston
    Houston, United States
    Active

Researchers

  • Principal investigator: Zhang, Dongze — University of Texas Hlth Sci Ctr Houston
  • Study coordinator: Zhang, Dongze

Related research

Other NIH-funded projects on the same topics.

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    This study looks at how people with type 1 diabetes from different backgrounds in the U.S. manage their condition and uses technology, aiming to understand how these differences affect their health and well-being, so we can find better ways to support everyone living with diabetes.

    NIH research Johns Hopkins University · Baltimore, United States · NIH-11010837

  • 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

  • Retinal signals in early diabetes and how they affect vision

    This grant looks at how diabetes changes the signals in the retina that control vision, with a focus on inner retinal cells and how these changes may lead to vision problems.

    NIH research University of Arizona · Tucson, United States · NIH-11641965

  • Integrated Heart Health: A HEARTS-based approach to hypertension and diabetes in Guatemala

    A study tests a team-based, stepwise care model to improve blood pressure and blood sugar control for people with both hypertension and diabetes in Guatemala.

    NIH research University of Michigan at Ann Arbor · Ann Arbor, United States · NIH-11637221

  • Bringing WHO HEARTS-D diabetes care into Bangladesh cities

    A program to help urban clinics in Bangladesh adopt WHO HEARTS-D guidelines to improve detection, treatment, and control of type 2 diabetes.

    NIH research Florida International University · Miami, United States · NIH-11621287

  • AI-powered fundus imaging to screen for type 2 diabetes

    A mobile AI tool uses eye images to help screen adults for type 2 diabetes in clinics or communities.

    NIH research Emory University · Atlanta, United States · NIH-11619352

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.