How glucose affects blood flow in patients with Postural Tachycardia Syndrome

Mechanism of Glucose-dependent insulinotropic polypeptide (GIP) on Splanchnic Venous Capacitance in Postural Tachycardia Syndrome

NIH-funded research Vanderbilt University Medical Center · NIH-11092837

This study is looking at how eating sugary foods affects blood flow and heart rate in people with Postural Tachycardia Syndrome (POTS), to help understand why these foods can make symptoms like dizziness and a fast heartbeat worse when they stand up.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionVanderbilt University Medical Center NIH-funded
Lab location1 site (Nashville, United States)
Project IDNIH-11092837 on NIH RePORTER

What this research studies

This research investigates the effects of glucose intake on blood flow and heart rate in patients with Postural Tachycardia Syndrome (POTS). It aims to understand why carbohydrate-rich meals worsen symptoms like dizziness and rapid heartbeat when these patients stand up. By conducting tests that measure blood volume and heart function after glucose consumption, the study seeks to uncover the mechanisms behind these symptoms. The findings could lead to better dietary recommendations and treatments for individuals suffering from POTS.

Who could benefit from this research

Good fit: Ideal candidates for this research are adults diagnosed with Postural Tachycardia Syndrome who experience worsening symptoms after eating carbohydrate-rich meals.

Not a fit: Patients who do not have Postural Tachycardia Syndrome or those who do not experience symptoms related to glucose intake may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved management strategies for POTS patients, enhancing their quality of life.

How similar studies have performed: Previous research has indicated that dietary factors can significantly impact POTS symptoms, suggesting that this approach may yield valuable insights.

Where this research is happening

Nashville, 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.
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.