Evaluation of Periodontal Treatment in Patients With Bronchiectasis

Evaluation of Periodontal Treatment in Patients With Bronchiectasis: a Randomized, Single-center,One Year, Parallel Group, Non-inferiority Clinical Study

Background: Association between periodontal disease (PD) and chronic obstructive pulmonary disease (COPD) has been widely studied and the aspiration of periodontal pathogens is one of the most accepted causal mechanisms for pulmonary exacerbation. Bronchiectasis is clinically quite similar with COPD, including chronic administration of antibiotics, increased systemic inflammation and relatively similar clinical symptoms, but for the time being; there are no studies that have correlated this condition to PD. This study will evaluate if the scaling and root planning (SRP) associated with photodynamic therapy improves periodontal clinical parameters, halitosis, and the quantity of microorganisms associated with exacerbation of bronchiectasis in saliva, subgingival periodontal microenvironment, sputum and nasal lavage at baseline, after 3 months and one year of SRP. Methods/Design: Ninety patients with chronic periodontal disease and bronchiectasis will be enrolled in the study and they will be treated as follow:G1 control (n = 30) - supragingival scaling (SS) and dental hygiene orientation (DHO); G2 experimental (n = 30) - SRP + DHO; G3- experimental (n = 30) - SRP + PDT + DHO. The quantification of bacterial groups commonly associated with exacerbation of bronchiectasis (P aeruginosa, S. aureus) and periodontal diseases (P. gingivalis), will be evaluated in periodontal pockets, saliva, nasal lavage and sputum by quantitative PCR at baseline 3 months and one year after the SRP. G1 patients will receive SRP upon completion of the investigation. If the mean depth of probing of this group worsen (> 1mm) at 3 months they will be excluded from the study, treated (SRP) and the data will be described. Discussion: The results of this protocol will determine the efficacy of periodontal treatment in decreasing the total amount microorganisms in saliva periodontal pocket, sputum and nasal lavage, the most probable niches of bronchiectasis exacerbation, and reducing local inflammation and halitosis after 3 months and one year. It is expected an higher improvement in all parameters measured over 3 months and 1 year for G3

Study Overview

• Status: Active, not recruiting
• Conditions: Bronchiectasis; Periodontal Disease
• Intervention / Treatment: Procedure: supragingival treatment; Other: dental hygiene orientation; Procedure: periodontal treatment; Procedure: periodontal treatment and photodynamic therapy

• Study Type: Interventional
• Enrollment (Actual): 30
• Phase: Not Applicable

Contacts and Locations

Study Locations

• Brazil
  • São Paulo
    • Sao Paulo, São Paulo, Brazil, 05403-900
      • InCor Heart Institute

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 35 years and older (Adult, Older Adult)
• Accepts Healthy Volunteers: No

Description

Inclusion Criteria:

• Patients must have > 35 years, both genders, > 10 teeth with chronic moderate generalized periodontal disease , i.e. more than 30% of teeth examined with ≥ 4 mm probing depth.

Exclusion Criteria:

• Exclusion criteria include smokers or former smokers for less than five years, pregnant, people with cystic fibrosis and asthma, phenytoin or cyclosporine users (because they affect periodontal status), decompensated systemic diseases requiring prophylactic antibiotic therapy for periodontal treatment, who used oral antiseptics or anti-inflammatory in the last 3 months, or periodontal treatment performed in the last 6 months.

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Treatment
• Allocation: Randomized
• Interventional Model: Parallel Assignment
• Masking: Triple

Number of Arms

3

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Placebo Comparator: G1-control group; Arm description: G1 - control group - (n = 30) dental hygiene orientation (DHO) + supragingival treatment + simulation of using photodynamic therapy (PDT). In G1, all participants will receive supragingival treatments by an experienced specialist with universal curettes and ultrasound. Supragingival treatment will be performed above the gingival margin. The simulation of using photodynamic therapy (PDT) will be performed with laser turned off. No antibiotics and oral antiseptics will be prescribed.	Procedure: supragingival treatment; In G1, all participants will receive supragingival treatments by an experienced specialist with universal curettes (Hu-Friedy) and ultrasound (Ultra Sound Dabi Atlante - Profi Neo US, Ribeirao Preto, Brazil). Supragingival treatment will be performed above the gingival margin.; Other: dental hygiene orientation; Plaque Control through the use of toothbrush and floss
Active Comparator: G2- positive control group; Arm description: G2 - positive control group (gold standard) - (n = 30) - DHO + periodontal treatment + simulation of using PDT. All participants will receive periodontal treatment - scaling and root planning (SRP) by an experienced specialist with universal curetes and ultrasound in a full mouth manner. The simulation of using photodynamic therapy (PDT) will be performed with laser turned off. No antibiotics and oral antiseptics will be prescribed	Other: dental hygiene orientation; Plaque Control through the use of toothbrush and floss; Procedure: periodontal treatment; All participants receive periodontal treatments by an experienced specialist with universal curettes (Hu-Friedy) and ultrasound (Ultra Sound Dabi Atlante - Profi Neo US, Ribeirao Preto, Brazil) in a full mouth manner.
Active Comparator: G3 -experimental active comparator group; Arm description: G3 - experimental group - (n = 30) DHO +SRP + PDT with methylene blue In G3, periodontal treatment and photodynamic therapy (PDT) will be performed. The scaling and root planing will be performed identical as G2. The PDT will be administered in periodontal pockets > 4mm. Methylene blue will be applied in the deep of periodontal pockets. After 5 minutes of application the red laser diode (λ = 660 nm) will be applied with output power of 100 mW with 90 seconds of exposure, i.e. 9J in each point. Applications will be held in six sites around the tooth in all teeth. To finalize, 1 minute of irradiation in scan around each tooth and rinsing with saline solution to remove the photosensitizer	Other: dental hygiene orientation; Plaque Control through the use of toothbrush and floss; Procedure: periodontal treatment and photodynamic therapy; In G3, the periodontal treatment will be performed identical as G2. PDT will be administered in periodontal pockets > 4mm. Methylene blue will be applied in the deep of periodontal pockets. After 5 minutes of application the red laser diode (λ = 660 nm) will be applied with output power of 100 mW (Therapy XT, DMC, São Carlos, Brazil) with 90 seconds of exposure, i.e. 9J in each point. Applications will be held in six sites around the tooth in all teeth. To finalize, 1 minute of irradiation in scan around each tooth and rinsing with saline solution to remove the FS.

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Microbiological evaluation	Samples will be defrosted and vortexed. DNA extraction will be performed according to manufacturer's instructions. Quantitative PCR of total amount of Bacteria, Archeae, periodontopathogens and Gama-Proteobacteria and Firmicutes groups will be performed with Real-time polymerase chain reaction (PCR)	3 months

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Halitosis measurements	The air inside the oral cavity will be collected with a syringe and injected into oral ChromaTM, a portable device connected to the computer with captures graph peaks of gas concentration values.	3 months

Collaborators and Investigators

• Sponsor: University of Nove de Julho
• Collaborators: University of Sao Paulo; Fundação de Amparo à Pesquisa do Estado de São Paulo; InCor Heart Institute
• Investigators: Principal Investigator: Anna C Horliana, PhD, University of Nove de Julho - UniNove

Publications and helpful links

General Publications

• Romero SS, Pinto EH, Longo PL, Dal Corso S, Lanza FC, Stelmach R, Rached SZ, Lino-Dos-Santos-Franco A, Mayer MP, Bussadori SK, Fernandes KP, Mesquita-Ferrari RA, Horliana AC. Effects of periodontal treatment on exacerbation frequency and lung function in patients with chronic periodontitis: study protocol of a 1-year randomized controlled trial. BMC Pulm Med. 2017 Jan 23;17(1):23. doi: 10.1186/s12890-016-0340-z. Erratum In: BMC Pulm Med. 2017 Mar 14;17 (1):51.
• Pinto EH, Longo PL, de Camargo CC, Dal Corso S, Lanza Fde C, Stelmach R, Athanazio R, Fernandes KP, Mayer MP, Bussadori SK, Mesquita Ferrari RA, Horliana AC. Assessment of the quantity of microorganisms associated with bronchiectasis in saliva, sputum and nasal lavage after periodontal treatment: a study protocol of a randomised controlled trial. BMJ Open. 2016 Apr 15;6(4):e010564. doi: 10.1136/bmjopen-2015-010564.

Study record dates

Study Major Dates

• Study Start (Actual): August 1, 2015
• Primary Completion (Actual): July 1, 2021
• Study Completion (Estimated): December 1, 2024

Study Registration Dates

• First Submitted: July 22, 2015
• First Submitted That Met QC Criteria: July 30, 2015
• First Posted (Estimated): August 3, 2015

Study Record Updates

• Last Update Posted (Actual): June 29, 2023
• Last Update Submitted That Met QC Criteria: June 27, 2023
• Last Verified: June 1, 2023

More Information

Terms related to this study

• Keywords: microbiology; halitosis
• Additional Relevant MeSH Terms: Respiratory Tract Diseases; Bronchial Diseases; Stomatognathic Diseases; Mouth Diseases; Bronchiectasis; Periodontal Diseases
• Other Study ID Numbers: 44769315.0.0000.5511

Plan for Individual participant data (IPD)

• Plan to Share Individual Participant Data (IPD)?: UNDECIDED