Effects of very low nicotine cigarettes on heart health

Cardiovascular Effects of Very Low Nicotine Content Cigarettes

Early Phase 1 Interventional Wake Forest University Health Sciences · NCT05707871

This study is testing how smoking very low nicotine cigarettes affects heart health in both daily and occasional smokers.

Quick facts

PhaseEarly Phase 1
Study typeInterventional
Enrollment49 (estimated)
Ages21 Years and up
SexAll
SponsorWake Forest University Health Sciences Academic / other
Locations1 site (Winston-Salem, North Carolina)
Trial IDNCT05707871 on ClinicalTrials.gov

What this trial studies

This study investigates the cardiovascular effects of very low nicotine content cigarettes (VLNCC) on both daily and non-daily smokers. Participants will smoke two VLNCC and one normal nicotine content cigarette while their electrocardiograms (ECG) are recorded to assess changes in heart rate, heart rate variability, and indices of ventricular repolarization. The research aims to understand how reduced nicotine levels in cigarettes impact cardiovascular health, particularly in light of potential FDA regulations. The findings could provide critical insights into the safety and health implications of VLNCC.

Who should consider this trial

Good fit: Ideal candidates are adults aged 21 and older who smoke cigarettes at least once in the past 30 days.

Not a fit: Patients with recent cardiovascular diseases or unstable health conditions may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could inform regulatory policies and improve cardiovascular health outcomes for smokers.

How similar studies have performed: While studies on nicotine content and smoking have been conducted, the specific focus on cardiovascular effects of VLNCC is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Self-reported cigarette smoking at least once in the past 30 days
* ≥21 years old
* Willingness to smoke research cigarettes or usual brand cigarettes during lab visit.
* Ability to speak, comprehend, and read English sufficiently to complete study procedures

Exclusion Criteria:

* Self-reported diagnosis of cardiovascular diseases like coronary artery disease, stroke, peripheral artery disease, cardiac arrhythmia, pulmonary embolism \& blood clots in legs and arm in the past 3 months
* Body temperature ≥ 100.4˙F
* Unstable health conditions interfering with electrocardiogram (ECG) measurements
* Self-reported diagnosis of hyperthyroidism or thyrotoxicosis
* Currently pregnant (as indicated by urine pregnancy test at the start of laboratory visit) or breastfeeding.
* Currently seeking treatment to quit smoking

Where this trial is running

Winston-Salem, North Carolina

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Tobacco UseCigarette smokingNicotine ContentCardiovascular Disorders
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.