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CompletedNCT07135076PARADIESUpdated Aug 21, 2025

PARodontitis And Type 2 DIabetes in Elderly Subjects

An observational study in Parodontitis and Type2 Diabetes, sponsored by German Institute of Human Nutrition. Completed at 2 sites in Germany. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2025-08-21.

Sponsored by German Institute of Human Nutrition · Observational

Study type
Observational
Model
Cohort
Time perspective
Cross-sectional
Enrollment
1,296
Ages
18 Years and older
Sex
All
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Study summary

PARADIES is a cross-sectional observational study on Parodontitis and Type-2-diabetes. Its purpose is to collect data on the prevalence of Parodontitis and Type-2-diabetes in a regular out-patient setting, to provide insight into predictive conditions (such as comorbidities, blood parameters, clinical symptoms etc.)

Read the detailed description

PARADIES is a cross-sectional observational study on Parodontitis and Type-2-diabetes. Its purpose is to collect data on the prevalence of Parodontitis and Type-2-diabetes in a regular out-patient setting, to provide insight into predictive conditions (such as comorbidities, blood parameters, clinical symptoms etc.).

Data is collected once only, includes questionnaires on dental symptoms and dental condition, dental hygiene, general clinical anamnesis, recent state of routine blood parameters and medication.

02

Conditions studied

  • Parodontitis
  • Type2 Diabetes

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03

In context

Dry Socket

46 studies on the registry are indexed under Dry Socket; 10 are open to participants now.

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Lead sponsor

German Institute of Human Nutrition is the lead sponsor of 34 studies on the registry; 9 are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

type-2-diabetes patients from an out-patient endocrinologist in Hameln, Germany

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • type-2-diabetes

Exclusion criteria

Exclusion Criteria:

  • none
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Study design

Observational model
Cohort
Time perspective
Cross-sectional
Enrollment
1,296 participants (actual)
Patient registry
No

Groups and cohorts

  • type 2 diabetes

    patients are examined for symptoms (questionnaire) and clinical signs of parodontitis (PSI), data from the individual dentists are collected, too

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What researchers measure

Primary outcomes

  1. Survey on prevalence of confirmed and assumed parodontitis / parodontitis stages, stratified by type of diabetes and sex

    prevalence of confirmed and assumed parodontitis / parodontitis stages, stratified by type of diabetes and sex

    Time frame: baseline

  2. Survey on co-prevalence of confirmed / assumed parodontitis / parodontitis stages with hypertension, depression and diabetic microvascular complications

    co-prevalence of confirmed / assumed parodontitis / parodontitis stages with hypertension, depression and diabetic microvascular complications

    Time frame: baseline

  3. Questionnaire on prediction analysis on prevalence of confirmed and assumed parodontitis / parodontitis stages

    prediction analysis on prevalence of parodontitis / parodontitis stages based on type of diabetes, diabetes duration / diabetes onset, sex, co-morbidities, metabolic state (BMI, fasting glucose, HbA1c, diabetes medication), smoking, dental hygiene and compliance, quality of life

    Time frame: baseline

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Study locations

2 sites
  • German Institut for Human Nutrition; Department for Clinical Nutrition
    Bergholz-Rehbrücke, Brandenburg 14458, Germany
  • DIfE (German Institute for Human Nutrition)
    Berlin, 12203, Germany
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References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 21, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT07135076
Lead sponsor
German Institute of Human Nutrition
Collaborators
Praxis am Posthof, Hameln, Germany
Responsible party
Prof. Dr. med. Andreas F. H. Pfeiffer (Director of Department of Clinical Nutrition, German Institute of Human Nutrition) — Principal investigator
First posted
Aug 21, 2025
Start date
Jul 1, 2017
Primary completion
Jul 1, 2019
Completion
Dec 31, 2019
Last update
Aug 21, 2025

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Jul 2020. You cannot join it, but the record below documents what was studied.

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