NIH-funded research R01 grant

GLP-1 receptor agonists as immune targets to treat asthma in lean and obese adults

Official title: GLP-1R agonist immune targets in lean and obesity-associated asthma

Funded at Vanderbilt University Medical Center · NIH-11616517 · Data updated 2026-11-12

Aims to understand how GLP-1R‑agonist diabetes medicines may directly calm immune cells to reduce asthma in adults who are lean or obese.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionVanderbilt University Medical Center
NIH-funded
Lab location1 site (Nashville, United States)
Project startAugust 16, 2024
Project endJune 30, 2029
Funding year2026
Award (this year)$370,496
NIH project number3R01AI182159-03S1
Project IDNIH-11616517 on NIH RePORTER

Who could benefit from this research

Could help

Adults with asthma, including those who are lean or obese, who may benefit from GLP-1R-based therapies.

Less likely to help

Patients whose asthma mechanisms do not involve GLP-1 signaling or who cannot tolerate GLP-1R drugs may not benefit.

What this research studies

This research looks at how GLP-1 receptor signaling affects immune cells involved in asthma, including T cells and platelets, to explain how these diabetes medicines could help control airway inflammation. It combines lab studies with clinical samples to identify direct immune targets of GLP-1R agonists. The project will explore two main aims: how GLP-1 signaling modulates platelet-derived T2 and non-T2 inflammation, and how it affects CD4+ T cell function in asthma. Findings could guide the repurposing of GLP-1R agonists for asthmatic patients regardless of weight status.

Why it matters

Potential benefit: If successful, this work could lead to new asthma treatments that use existing GLP-1R drugs to reduce airway inflammation in adults.

How similar studies have gone: Preliminary data suggest GLP-1 signaling can regulate human immune cells and reduce inflammation, supporting potential efficacy in asthma.

Where this research is happening

  • Vanderbilt University Medical Center
    Nashville, United States
    Active

Researchers

  • Principal investigator: Cahill, Katherine N — Vanderbilt University Medical Center
  • Study coordinator: Cahill, Katherine N

Related research

Other NIH-funded projects on the same topics.

  • Semaglutide for adults with obesity-related asthma

    This trial gives adults with obesity-related asthma a daily oral semaglutide pill to test whether it improves asthma control and lowers airway and fat-tissue inflammation.

    NIH research Vanderbilt University Medical Center · Nashville, United States · NIH-11367033

  • GLP-1R drugs as a new approach for asthma in different body types

    Researchers are testing whether popular diabetes drugs that activate GLP-1 receptors can reduce airway inflammation and help adults with asthma, including those who are lean or overweight.

    NIH research Vanderbilt University Medical Center · Nashville, United States · NIH-11359691

  • How high insulin in obesity may make airways tighten in asthma

    This project looks at whether the higher insulin that comes with obesity makes airway nerves cause tighter breathing in people with obesity-related asthma.

    NIH research Oregon Health & Science University · Portland, United States · NIH-11245698

  • Understanding how GLP-1 medicines help with asthma in people who are lean or have obesity

    This project aims to discover how existing GLP-1 medicines, used for diabetes and obesity, can also help reduce inflammation in people with asthma.

    NIH research Vanderbilt University Medical Center · Nashville, United States · NIH-11171513

  • Investigating a new treatment for asthma in adults with obesity

    This study is looking at how a medication called GLP-1RA might help adults with asthma related to obesity by improving their breathing and reducing inflammation, and if you join, you'll take either the medication or a placebo for 12 weeks to see how it works for you.

    NIH research Vanderbilt University Medical Center · Nashville, United States · NIH-11083029

  • Investigating the link between obesity, insulin resistance, and asthma severity

    This study is looking at how insulin resistance, pre-diabetes, and diabetes impact asthma control in people with obesity who have asthma, especially those getting weight loss surgery, to help understand how these conditions might affect their breathing and overall health.

    NIH research Baylor College of Medicine · Houston, United States · NIH-11072964

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.