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Genetics of Periodontal Diseases in European Caucasians

The recruitment status of this study is unknown. The completion date has passed and the status has not been verified in more than two years.
Verified September 2012 by University of Kiel.
Recruitment status was:  Active, not recruiting
ClinicalTrials.gov Identifier:
First Posted: September 25, 2012
Last Update Posted: September 25, 2012
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Interleukin Genetics, Inc.
Information provided by:
University of Kiel
(A retrospective case control study to validate the association between Interleukin-1 gene variations and adult chronic periodontal disease in European Caucasians)


Study Type: Observational
Study Design: Observational Model: Case Control
Time Perspective: Retrospective

Further study details as provided by University of Kiel:



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Ages Eligible for Study:   35 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Sampling Method:   Non-Probability Sample
Study Population
All study subjects will be selected from pre-existing patient databases in Germany and the Netherlands. All chronic periodontitis cases and controls will be subjects who were at least 35 years old at time of enrollment. Classification of chronic periodontitis will be based on extent of alveolar bone loss with consideration of tooth loss.

Inclusion Criteria:

  • Ethnicity: Dutch or German Caucasian

Exclusion Criteria:

  • None (however, diabetics were excluded during original patient recruitment at several clinical sites).
  Contacts and Locations
No Contacts or Locations Provided
  More Information

ClinicalTrials.gov Identifier: NCT01691638     History of Changes
Other Study ID Numbers: ILI-11-127-PST2Europe
First Submitted: September 24, 2012
First Posted: September 25, 2012
Last Update Posted: September 25, 2012
Last Verified: September 2012

Additional relevant MeSH terms:
Periodontal Diseases
Mouth Diseases
Stomatognathic Diseases