Anti-infectious Therapy of Periodontitis - Comparison of Different Clinical Strategies

August 27, 2020 updated by: Sareh Michael, RWTH Aachen University

Anti-infectious Therapy of Chronic Periodontitis Using One Stage Full Mouth Disinfection With Subgingival Airpolishing - a Comparison of Different Clinical Strategies

It is the aim of the study to evaluate the efficiency of "One stage full mouth disinfection" according to the original protocol (Quirynen et al. 1995) in comparison to other approaches considering different scaling strategies and different disinfection concepts. Therefore, a multicenter randomized control treatment will be performed. In total, 204 patients with chronic periodontitis shall be allocated to the following treatment concepts. Group A: quadrant scaling with weekly intervals (Q-SRP; N = 51); Group B: full mouth scaling (FMS; N = 51); Group C: full mouth disinfection (FMD; N = 51); Group D: full mouth disinfection with subgingival glycine air polishing using erythritol powder (FMDP; N = 51). Evaluation of periodontopathic parameters and periodontal pathogens at baseline, 3 months and 6 months shall give evidence about the benefits of concept and the single components of FMD.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
228

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Germany
      • Aachen, Germany, 52064
        • Universitätsklinikum RWTH Aachen, Klinik für Zahnerhaltung, Parodontologie u. Präventive Zahnheilkunde
      • Berlin, Germany, 14197
        • Charité Centrum Zahn-, Mund- und Kieferheilkunde, Parodontologie und Synoptische Zahnmedizin
      • Halle (Saale), Germany, 06108
        • Universitätspoliklinik für Zahnerhaltungskunde und Parodontologie
      • Mainz, Germany, 55131
        • Universitätsmedizin Mainz, Poliklinik f. Zahnerhaltung u. Parodontologie
  • Romania
      • Timişoara, Romania, 300176
        • Department of Dental Medicine 1 (Periodontology)

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • patients with generalized moderate to severe chronic periodontitis
  • presence of at least 18 teeth
  • with at least 2 multi-rooted and / or 2 single-rooted teeth in the first quadrant with at least 6 sites with periodontal probing depth of ≥ 6 mm
  • radiographic bone loss of at least 25% of the root length

Exclusion Criteria:

  • subgingival scaling and root planing within the last 12 months
  • antimicrobial rinsing or intake of systemic antibiotics within the last 4 months
  • systemic diseases with known interactions to periodontal disease or known need for antibiotic prophylaxis
  • known intolerance / allergies to chlorhexidine
  • pregnancy

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

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

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Active Comparator: Q-SRP
Quadrant scaling and root planing
Other: Q-SRP
Quadrant scaling and root planing under local anesthesia using ultrasonic devices (Piezon-Master, EMS) and Gracey curettes (Hu-Friedy) within four sessions in intervals of 1 week
Experimental: FMS
Full mouth scaling and root planing
Other: FMS
Full mouth scaling and rootplaning under local anesthesia using ultrasonic devices (Piezon-Master, EMS) and Gracey curettes (Hu-Friedy) within 24 hours
Experimental: FMD
Full mouth disinfection
Other: FMD
Full mouth scaling and rootplaning under local anesthesia using ultrasonic devices (Piezon-Master, EMS) and Gracey curettes (Hu-Friedy) within 24 hours with additional disinfection using 0.2% chlorhexidine (mouth rinsing and tonsil spray), subgingival application of 1% chlorhexidine gel and 2 months postoperative home care using chlorhexidine 0.2% (rinse and spray)
Experimental: FMDP
Full mouth disinfection with periopolishing
Other: FMDP
FMD protocol (see FMD arm) with additional use of subgingival airpolishing (Air Flow, EMS) using Erythritol powder (Air-Flow Plus powder, EMS) for 20 seconds per tooth

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Change of clinical attachment level
Time Frame: Baseline, 3 months, 6 months
Measuring the change of the distance between the cemento-enamel junction and the bottom of the periodontal pocket 3 and 6 months after therapy compared to baseline
Baseline, 3 months, 6 months

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Change of pocket probing depth
Time Frame: Baseline, 3 months, 6 months
Measuring the change of the distance between the gingival sulcus and the bottom of the periodontal pocket 3 and 6 months after therapy compared to baseline
Baseline, 3 months, 6 months
Change of presence of periodontopathogenic bacteria A. actinomycetemcomitans, P. gingivalis, P. intermedia and T. denticola
Time Frame: Baseline, 3 months, 6 months
Analysis of pooled subgingival plaque specimen for the presence of periodontopathogenic marker bacteria A. actinomycetemcomitans, P. gingivitis, T. forsythia and P. intermedia; Assessment of the change of the occurrence of these bacteria 3 and 6 months after therapy compared to baseline
Baseline, 3 months, 6 months
Change of bleeding on probing
Time Frame: Baseline, 3 months, 6 months
Assessment of the change of the appearance of a bleeding spot immediately after the probing of periodontal pockets 3 and 6 months after therapy compared to baseline
Baseline, 3 months, 6 months
Change of gingival index
Time Frame: Baseline, 3 months, 6 months
Recording the change of the presence of supragingival plaque according to the criteria by assessment of the inflammatory status of the gingiva according to Löe et al. 3 and 6 months after therapy compared to baseline
Baseline, 3 months, 6 months
Change of plaque index
Time Frame: Baseline, 3 months, 6 months
Recording the change of the presence of supragingival plaque according to the criteria by Silness and Loe 3 and 6 months after therapy compared to baseline
Baseline, 3 months, 6 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
RWTH Aachen University

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Study Director: Jamal M. Stein, Prof. Dr., Universitätsklinikum RWTH Aachen

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
March 1, 2017

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
March 27, 2020

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
August 27, 2020

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
March 20, 2018

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
April 16, 2018

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
April 26, 2018

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
August 31, 2020

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 27, 2020

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
August 1, 2020

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • RWTHAachenUParo01

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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