Bergen Oral Respiratory Intervention Study

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

62 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-04-27

Study Completion Date

2024-06-27

Brief Summary

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The purpose of this study is to investigate if treatment of periodontitis (gum disease) in a relatively young and healthy population can improve lung function. It is hypothesized that removing the dental biofilm reduce the source of inflammatory bacteria that can reach the lungs, and thereby reduce lung inflammation and lead to improved lung function.

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Detailed Description

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After being informed about the study and potential risks, all participants giving written informed consent will undergo a clinical screening to determine eligibility for study entry.

The study participants will be randomized into two groups. Half of the study participants will after baseline move directly into an active periodontal treatment phase including oral hygiene instructions and professional tooth cleaning by a full mouth disinfection protocol (intervention 2). New data will be collected after 6-8 weeks of healing.

The second study group will after baseline receive prophylactic periodontal treatment by oral hygiene instructions and supragingival plaque removal (intervention 1). New data will be collected after 3-4 weeks. This group will now receive the active periodontal treatment phase (intervention 2) like the first study had initially. New data will be collected after 6-8 weeks of healing.

Both groups will receive supportive periodontal treatment every 3 months in 12 months after intervention 2.

Conditions

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Periodontitis Airway Obstruction Lung Inflammation

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

This is a single-blinded longitudinal intervention study with two study groups. The participants will act as their own control as they enter the study with the same periodontal diagnose and receive the same periodontal treatment during the study period. The study does not aim to explore the effect of the periodontal treatment itself, but how removal of oral bacteria affects lung function. After randomization the participants in the first study arm will be moved directly into an active periodontal treatment phase including a scaling and rootplaning with adjunctive chlorhexidine. The second study arm will receive the intervention 3-4 weeks after the first study group - as a "delayed intervention group". At the first appointment they will receive prophylactic periodontal treatment and oral hygiene instructions. This will enable comparison between the immediate intervention group with the delayed intervention (oral hygiene motivation), which serves as the control group.

Primary Study Purpose

PREVENTION

Blinding Strategy

DOUBLE

Caregivers Investigators

The preventive intervention - professional tooth cleaning - cannot be blinded, but the outcome measure (lung function tests) are blinded for the operator/investigator.

Study Groups

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Immediate intervention (A)

Subjects will receive the full mouth disinfection treatment protocol (scaling and rootplaning of all periodontal pockets with adjunctive use of chlorhexidine mouthwash) immediately after baseline.

Group Type EXPERIMENTAL

Periodontal treatment

Intervention Type PROCEDURE

Periodontal treatment (scaling and rootplaning) with adjunctive chlorhexidine use

Delayed intervention (B)

Subjects will receive a full mouth disinfection treatment protocol (scaling and rootplaning of all periodontal pockets with adjunctive use of chlorhexidine mouthwash) 3-4 weeks after baseline. The "delayed intervention" will enable the study team to explore the effect of the participants change in behavior due to participation in a research project, and furthermore how change in oral hygiene habits might affect the lung function.

Group Type EXPERIMENTAL

Periodontal treatment

Intervention Type PROCEDURE

Periodontal treatment (scaling and rootplaning) with adjunctive chlorhexidine use

Interventions

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Periodontal treatment

Periodontal treatment (scaling and rootplaning) with adjunctive chlorhexidine use

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* clinical diagnosis of periodontitis (stadium I or II)
* measures of periodontal infection (PI) \> 50%
* inflammation (bleeding index/bleeding on probing) \> 50%
* never-smoker

Exclusion Criteria

* asthma
* symptoms of pollen allergy
* chronic lung diseases
* daily medication use which may interfere with the evaluation of the subject
* pregnancy
* use of systemic antibiotics last six months
* subgingival scaling last six months
* regularly use of oral antiseptic mouth rinse
* use of snus (moist/smokeless tobacco)
* current medical condition which may interfere with the evaluation of the subject

Minimum Eligible Age

25 Years

Maximum Eligible Age

45 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No