Identifying harmful flavor chemicals in e-cigarettes

Systematic identification of cardiotoxic e-cigarette flavorants

NIH-funded research University of Louisville · NIH-11061112

This study is looking at how different flavors in e-cigarettes might affect your heart health, especially if you use them regularly, to help understand any risks that come with vaping flavored e-liquids.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Louisville NIH-funded
Lab location1 site (Louisville, United States)
Project IDNIH-11061112 on NIH RePORTER

What this research studies

This research investigates the effects of various flavoring chemicals used in e-cigarettes on heart health. By examining how these flavorants interact with nicotine and affect heart function, the study aims to uncover potential risks associated with e-cigarette use. The researchers will use advanced techniques to analyze changes in heart activity, particularly focusing on arrhythmias and other cardiac issues that may arise from inhaling flavored e-cigarette aerosols. The findings could provide valuable insights into the safety of e-cigarette flavors for users.

Who could benefit from this research

Good fit: Ideal candidates for this research include individuals under 21 who use e-cigarettes and may be at risk for cardiac issues.

Not a fit: Patients who do not use e-cigarettes or are over the age of 21 may not receive direct benefits from this research.

Why it matters

Potential benefit: If successful, this research could lead to better understanding and regulation of e-cigarette flavorants, potentially reducing the risk of heart-related issues for users.

How similar studies have performed: While there is ongoing research into the effects of nicotine on heart health, the specific investigation of e-cigarette flavorants is relatively novel and has not been extensively tested.

Where this research is happening

Louisville, 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 2026-06-15 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.