How long-term vagus nerve stimulation may reduce dangerous heart rhythms after a heart attack
Antiarrhythmic mechanisms of chronic vagal nerve stimulation in sympathetic neurons
Looks at whether long-term vagus nerve stimulation calms the nerves that cause dangerous heart rhythms after a heart attack.
Quick facts
| Grant type | P01 program project |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of California Los Angeles NIH-funded |
| Lab location | 1 site (Los Angeles, United States) |
| Project ID | NIH-11171346 on NIH RePORTER |
What this research studies
This project studies how chronic stimulation of the vagus nerve changes the sympathetic nerve cells that drive dangerous ventricular rhythms after a heart attack. Researchers will use animal models and lab-based recordings of sympathetic ganglia to measure nerve cell function, satellite glial activation, and neuroinflammation, and will apply new imaging and electrophysiology tools. The team will connect these nerve-level findings to episodes of ventricular tachycardia and fibrillation to explain how VNS reduces arrhythmias. The work builds on prior animal and human observations and aims to identify mechanisms that could improve vagus nerve therapies.
Who could benefit from this research
Good fit: People who have had a myocardial infarction and remain at high risk for ventricular tachycardia or fibrillation, or who might be candidates for vagus nerve therapy, would be the most relevant group.
Not a fit: Patients without heart attack–related ventricular arrhythmias or whose arrhythmias arise from non‑sympathetic causes are unlikely to benefit directly from this work.
Why it matters
Potential benefit: Could lead to safer, more effective vagus nerve therapies that lower the risk of sudden cardiac death after a heart attack.
How similar studies have performed: Prior animal experiments and some human data suggest VNS can reduce arrhythmias, but the specific nerve-level mechanisms remain novel and incompletely understood.
Where this research is happening
Los Angeles, United States
- University of California Los Angeles — Los Angeles, United States (Active)
Researchers
- Principal investigator: Ajijola, Olujimi a — University of California Los Angeles
- Study coordinator: Ajijola, Olujimi a
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.