Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
E-Cig Use: early-phase trial registry
6 of 10 indexed E-Cig Use trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #1,724 of 28,707 conditions by registered trial count.
10 US clinical trials · 6 currently recruiting · #1,724 of 28,707 conditions by registered trial count
E-Cig Use: 10 US clinical trials tracked, 6 recruiting.
E-Cig Use is the subject of 10 registered US clinical trials on ClinicalTrials.gov, 6 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is Virginia Commonwealth University, running 2 of these trials.
Enrollment posture brief
Registry condition e-cig-use
OPEN 6 | RECR 60% | LATE 0 | EARLY 2 | RANK #1724 | SPON 2
Volume-matched condition peers
Nearest open-share peer: Abuse, Drug (60% recruiting · 5 trials)
E-Cig Use lists 6 open slots (60% of 10 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for E-Cig Use 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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E-Cig Use is recruiting above its size-band peers.
6 of 10 indexed trials (60%) 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.
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One sponsor concentrates E-Cig Use research.
Virginia Commonwealth University accounts for 2 of 10 trials (20%). 9 distinct sponsors appear on at least one study for this condition label.
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Typical E-Cig Use enrolment sits around 147 participants.
Median target enrolment is 147 among the 10 trials that report a genuine target (sentinel values excluded). 5 of those (50%) plan for fewer than 100 participants.
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E-Cig Use research is mostly interventional.
8 interventional and 2 observational studies make up this index (80% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
10 total, page 1 of 1
The Role of Flavor in the Substitutability of E-cigarettes for Combustible Cigarettes Among Persistent Smokers
Abramson Cancer Center at Penn Medicine
NCT06264154
Clinical Alternatives for Reducing Harm Using E-cigarettes
Medical University of South Carolina
NCT07039292
Carcinogen and Toxicant Exposure Among Young Adults Who Co-Use E-cigarettes and Cannabis (Co-Tox Study)
Roswell Park Cancer Institute
NCT07167225
BREATHE Free: a Pilot Feasibility Trial
Augusta University
NCT06862050
The Impact of Chronic E-Cigarette Usage on Microvascular Health
Virginia Commonwealth University
NCT06860698
Hyperpolarized Xenon-129 MR Imaging of the Lung
University of Virginia
NCT04662658
Respiratory Effects of E-Cigarettes in Obese Youth
Ohio State University Comprehensive Cancer Center
NCT05869318
Quit Smoking Study for People Who Use E-Cigarettes
University of Vermont
NCT04946825
Media Literacy for High School Tobacco Prevention
University of Pittsburgh
NCT05120466
The Acute Effect of Vaping on Food Intake
Virginia Commonwealth University
NCT04219189
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
| Phase 2 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on E-Cig Use records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on E-Cig Use 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 E-Cig Use page
10 registered trials, 6 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 6 E-Cig Use trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Virginia Commonwealth University sponsors the most E-Cig Use 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 E-Cig Use condition card totals 10 registered trials; most-linked intervention Usual health education curriculum; top US site state Virginia. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.