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Low-dose doxycycline in the treatment of periodontitis in smokers

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN11033714
Enrollment
Unknown
Registered
2002-10-15
Start date
2000-10-15
Completion date
Unknown
Last updated
2015-01-13

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

Conditions

Periodontology Not Applicable

Interventions

1. Non-surgical periodontal therapy plus twice daily 20 mg doxycycline for 3 months 2. Non-surgical periodontal therapy plus twice daily placebo for 3 months

Sponsors

CollaGenex Pharmaceuticals Inc. (USA)
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1. Smokers unable to quit 2. Moderate-severe chronic periodontitis 3. Age 30-70

Exclusion criteria

Exclusion criteria: Not provided at time of registration.

Design outcomes

Primary

MeasureTime frame
Not provided at time of registration.—

Secondary

MeasureTime frame
Not provided at time of registration.—

Countries

United Kingdom

Outcome results

None listed

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