Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Electronic Cigarettes clinical trials
A small indexed set (4 trials) with no open enrollment listed right now.
Corpus placement: #4,115 of 28,707 conditions by registered trial count.
4 US clinical trials · none currently recruiting · #4,115 of 28,707 conditions by registered trial count
Electronic Cigarettes: 4 US clinical trials tracked, none currently recruiting.
Electronic Cigarettes is the subject of 4 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. The most active sponsor is Virginia Commonwealth University, running 2 of these trials.
Enrollment posture brief
Registry condition electronic-cigarettes
OPEN 0 | RECR 0% | LATE 0 | EARLY 0 | RANK #4115 | SPON 2
Volume-matched condition peers
Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)
Electronic Cigarettes has no open enrollment in this registry pull (4 archived studies). Peers show how other volume-matched labels compare on open share. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Electronic Cigarettes on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Electronic Cigarettes is recruiting below its size-band peers.
0 of 4 indexed trials (0%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
Indexed trials (enrollment closed)
4 total, page 1 of 1
Effects of e-Cigarettes on Perceptions and Behavior
University of Southern California
NCT03742817
Effects of Electronic Cigarette Settings and Liquid Concentrations in Cigarette Smokers and Electronic Cigarette Users
Virginia Commonwealth University
NCT03710590
Effects of e-Cigarettes on Nicotine Withdrawal
University of Southern California
NCT03098004
The Effect of Electronic Cigarette Liquid Characteristics in Smokers.
Virginia Commonwealth University
NCT03861078
Phase Distribution
Phase data not available
Top Sponsors
Named interventions
Most-linked intervention names on Electronic Cigarettes records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Electronic Cigarettes trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Electronic Cigarettes page
4 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- No Electronic Cigarettes trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
- Virginia Commonwealth University sponsors the most Electronic Cigarettes trials on record, review their full trial history before evaluating a specific study. See Virginia Commonwealth University's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Electronic Cigarettes condition card totals 4 registered trials; most-linked intervention e-Cigarette; top US site state Virginia. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.