Skip to content

Changes in the gum condition of smokers who substitute the use of e-cigarettes for their regular smoking habits

Changes in the gingival condition and inflammatory mediators of smokers who substitute the use of e-cigarettes for their regular smoking habits.

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ISRCTN
Registry ID
ISRCTN17182047
Enrollment
20
Registered
2016-02-05
Start date
2015-04-27
Completion date
Unknown
Last updated
2020-07-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Gingival inflammation Oral Health

Interventions

The study involves smokers with mild periodontal (gum) disease who do not intend to quit smoking but would be prepared to substitute e-cigarettes instead of smoking for 2 weeks. The aim would be to co

Sponsors

King's College London (UK)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Subjects must have at least 24 natural teeth, excluding third molars 2. Subjects must have smoked at least 5 cigarettes/day for at least 5 years 3. They will be systemically healthy individuals who have mild periodontal disease with no pocket depth over 5 mm at any site

Exclusion criteria

Exclusion criteria: 1. Subjects with any systemic condition known to exacerbate or modulate periodontal disease e.g., diabetes 2. Have taken antibiotics in the previous 3 months 3. Take any anti-inflammatory drugs regularly 4. Take other medication likely to affect the periodontal tissue e.g., calcium channel blocking drugs 5. Pregnant or nursing mothers 6. Patients with nut allergies will be excluded as the nicotine-containing fluid may contain traces of nuts

Design outcomes

Primary

MeasureTime frame
The number of gingival sites bleeding after probing, measured at baseline and 2 weeks

Secondary

MeasureTime frame
1. The volume of gingival crevicular fluid, measured at baseline and 2 weeks 2. The concentration of biomarkers in plasma and gingival crevicular fluid, measured at baseline and 2 weeks

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026