Investigating how glucagon affects aging in people on calorie restriction

Serum markers of glucagon sensitivity in calorie restricted humans

NIH-funded research University of Arizona · NIH-11056968

This study is looking at how a hormone called glucagon might help us live healthier and longer by understanding its role in calorie restriction, and it's for anyone interested in how diet can improve health as we age.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Arizona NIH-funded
Lab location1 site (Tucson, United States)
Project IDNIH-11056968 on NIH RePORTER

What this research studies

This research explores the role of glucagon, a hormone that counteracts insulin, in promoting longevity and improving metabolic health through calorie restriction. By analyzing samples from participants in the CALERIE™ trial, the study aims to understand how glucagon contributes to the benefits of calorie restriction, such as extending healthspan and lifespan. The researchers will examine glucagon's effects on various metabolic pathways and its potential to be used in treatments for aging-related conditions. This work could lead to new insights into how dietary interventions can enhance health as we age.

Who could benefit from this research

Good fit: Ideal candidates for this research are adults who are interested in the effects of calorie restriction on aging and metabolic health.

Not a fit: Patients who are not on calorie restriction or those with conditions that contraindicate dietary changes may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new treatments that promote healthy aging and improve metabolic health in individuals.

How similar studies have performed: Previous research has shown promising results regarding the role of glucagon in metabolic health, suggesting that this approach could yield significant insights.

Where this research is happening

Tucson, 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.
Conditions adult onset diabetesAdult-Onset Diabetes Mellitus
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.