Investigating how amino acid starvation affects abdominal aortic aneurysms

The Role of Amino Acid Starvation Response Kinase GCN2 in Abdominal Aortic Aneurysm

NIH-funded research Northwestern University at Chicago · NIH-11122292

This study is looking at how cutting back on certain amino acids in your diet might help slow down the growth of abdominal aortic aneurysms in older adults, and it aims to find new, non-surgical ways to keep your aorta healthy.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionNorthwestern University at Chicago NIH-funded
Lab location1 site (Chicago, United States)
Project IDNIH-11122292 on NIH RePORTER

What this research studies

This research focuses on abdominal aortic aneurysms (AAA), a serious condition affecting many elderly individuals. The study explores how dietary restrictions on certain amino acids, like methionine and leucine, can potentially slow the progression of AAA by activating a protective response in the body. Researchers will use animal models to examine the role of a specific kinase, GCN2, which is believed to help maintain aortic health during amino acid starvation. The goal is to identify non-surgical treatment options that could benefit patients at risk of AAA.

Who could benefit from this research

Good fit: Ideal candidates for this research are elderly individuals at risk for abdominal aortic aneurysms, particularly those who may not be suitable for surgical repair.

Not a fit: Patients who have already undergone surgical treatment for AAA or those with advanced AAA may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new dietary-based therapies that help prevent the progression of abdominal aortic aneurysms, reducing the need for risky surgical interventions.

How similar studies have performed: Previous studies have shown promising results with dietary interventions in other cardiovascular conditions, suggesting potential for success in this novel approach to AAA management.

Where this research is happening

Chicago, 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.