Classification of Periodontitis Revisited: A Cluster Analysis

An observational study of Periodontitis, run by University Paris 7 - Denis Diderot.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Trial summary

This study aims to identify phenotypic groups of patients with periodontitis by applying a cluster analysis. Read more about this study

Who is it for?: Ages 18 to 75 years
Conditions the study is for: Periodontitis
How many people: 235 participants
Where: No sites listed yet
Study dates: Jan 2003to Jun 2017
Phase: Observational
Are there results?: None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

Ages 18 to 75 years
All sexes
No healthy volunteers
Adult, Older adult

Study population: This is a retrospective cross-sectional analysis based on a prospectively maintained database of consecutive patients attending the Department of Periodontology at the Rothschild Hospital of Paris (France)

Who may be able to join

Patients with periodontitis either aggressive or chronic

Who cannot join

Patients who had received periodontal therapies or antimicrobial therapy within the 6 months preceding the examination

About this study

This study aims to identify phenotypic groups of patients with periodontitis by applying a cluster analysis.

Read the detailed description

This is a retrospective cross-sectional study based on a prospectively maintained database of consecutive patients attending the Departement of Periodontology at the Rothschild hospital. A cluster analysis will help to distinguish clinical and microbiological profils of periodontal patients.

Conditions: Periodontitis
Keywords: Periodontitis, classification, Cluster analysis
Medical subject headings: Periodontitis

What is being measured

The primary outcome is the main question the study is designed to answer.

Clinical Attachment Loss (CAL)
measured in millimeters
Measured: one day

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

Jan 2003Jun 2017

First posted30 May 2017
Study startJan 2003
Primary completionJan 2010
Study completionJun 2017 (estimated)

Resources

Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
Other trials for PeriodontitisStudies of the same condition, open and under way.
What the trial phases meanHow a treatment moves from first tests in people to approval.

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design

Study type: Observational
Observational model: Cohort
Time perspective: Retrospective
Enrolment: 235 participants (actual)

IDs, dates and publications

ClinicalTrials.gov ID: NCT03168217
Sponsor's protocol ID: 1973520
Status last verified: May 2017
First submitted: 17 Jan 2017
Last updated: 30 May 2017
Results posted: No
Data monitoring committee: No
Individual data sharing: Yes: IPD Will be shared on request

Want to know more?

The sponsor has not listed a contact. The official record may have more details.

Talk to your doctor first and take this page with you. Only the study team can confirm whether you can join.

Questions to ask the study team

What is the study trying to find out?
What would I need to do, and how often would I visit?
Could I receive a placebo instead of the treatment?
What are the possible risks and benefits for me?
Will it cost me anything? Are travel or time paid for?
Can I keep seeing my own doctor during the study?
What happens when the study ends?

Official record

Active, not recruiting
Early Healing of Apical Periodontitis After Root Canal Treatment With Bioceramic and Calcium Hydroxide Medicaments: Evaluation Using PAI and ImageJ
Apical Periodontitis, Root Canal Treatment
Not yet recruiting
Clinical and Inflammatory Outcomes of Regenerative Endodontic Treatment Using Injectable Platelet-Rich Fibrin in Mature Necrotic Teeth With Chronic Apical Periodontitis.
Chronic Apical Periodontitis, Pulp Necrosis
Active, not recruiting
Multiple-Visit RCT in Teeth With SAP: Interappointment Dressing or Not?
Endodontically Treated Teeth, Calcium Hydroxide
Recruiting
Evaluation of the Impact of Periodontitis and Its Treatment on Swallowing Functions and Oral Quality of Life
Periodontitis, Periodontal Diseases
RecruitingObservational study
Characterization of Small Intestinal Bacterial Overgrowth and Intestinal Barrier-Related Biomarkers in Patients With Severe Periodontitis: A Pilot Prospective Longitudinal Observational Cohort Study
Periodontitis (Stage 3), Periodontitis Stage IV

All Periodontitis trials

Study at a glance

From the registry record, last updated by the sponsor on 30 May 2017. Recruitment status is as the sponsor reported it: confirm with the study team.

Official title: Classification of Periodontitis Revisited: A Cluster Analysis
ClinicalTrials.gov ID: NCT03168217
Acronym / sponsor ID: 1973520
Conditions: Periodontitis
Keywords: Periodontitis, classification, Cluster analysis
Study type: Observational
Recruitment status: Unknown status
Enrolment: 235 participants (actual)
Lead sponsor: University Paris 7 - Denis DiderotUniversity, hospital or other
Study start: Jan 2003
Primary completion: Jan 2010 (actual)
Study completion: Jun 2017 (estimated)
First posted: 30 May 2017 (actual)
Results: Not posted in the source record

Clinical summary

The research question as the sponsor registered it. This describes what the study plans to test, not what it found.

This study aims to identify phenotypic groups of patients with periodontitis by applying a cluster analysis.

Detailed description

Study design

Observational model: Cohort
Time perspective: Retrospective

Who may qualify

Ages: 18 to 75 years
Sex: All
Healthy volunteers: Not accepted
Age groups: Adult, Older adult
Study population: This is a retrospective cross-sectional analysis based on a prospectively maintained database of consecutive patients attending the Department of Periodontology at the Rothschild Hospital of Paris (France)

Key inclusion criteria (1 listed)

Patients with periodontitis either aggressive or chronic

Key exclusion criteria (1 listed)

Patients who had received periodontal therapies or antimicrobial therapy within the 6 months preceding the examination

Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.

Primary outcome

Clinical Attachment Loss (CAL)
Time frame: one day
measured in millimeters

Results and safety

Results are not available in the source record.

Research links

Official record on ClinicalTrials.govLast updated by the sponsor 30 May 2017.
Individual participant dataSharing planned: Yes. IPD Will be shared on request

Related trials for Periodontitis

Active, not recruiting
Early Healing of Apical Periodontitis After Root Canal Treatment With Bioceramic and Calcium Hydroxide Medicaments: Evaluation Using PAI and ImageJ
Apical Periodontitis, Root Canal Treatment
Not yet recruiting
Clinical and Inflammatory Outcomes of Regenerative Endodontic Treatment Using Injectable Platelet-Rich Fibrin in Mature Necrotic Teeth With Chronic Apical Periodontitis.
Chronic Apical Periodontitis, Pulp Necrosis
Active, not recruiting
Multiple-Visit RCT in Teeth With SAP: Interappointment Dressing or Not?
Endodontically Treated Teeth, Calcium Hydroxide
Recruiting
Evaluation of the Impact of Periodontitis and Its Treatment on Swallowing Functions and Oral Quality of Life
Periodontitis, Periodontal Diseases
RecruitingObservational study
Characterization of Small Intestinal Bacterial Overgrowth and Intestinal Barrier-Related Biomarkers in Patients With Severe Periodontitis: A Pilot Prospective Longitudinal Observational Cohort Study
Periodontitis (Stage 3), Periodontitis Stage IV

Referral and contact

AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.

Philippe Bouchard, PhD,DDS study chair

Paris Diderot University

Questions about this trial

What is this clinical trial studying?

An observational study of Periodontitis, run by University Paris 7 - Denis Diderot.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 30 May 2017. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Clinical Attachment Loss (CAL) (time frame: one day). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03168217.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 30 May 2017.