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Genetics of Periodontal Diseases in Chinese

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 August 2012 by Shanghai Stomatological Disease Center.
Recruitment status was:  Active, not recruiting
ClinicalTrials.gov Identifier:
First Posted: August 31, 2012
Last Update Posted: August 31, 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:
Shanghai Stomatological Disease Center
(A retrospective case control study to validate the association between Interleukin-1 gene variations and adult chronic periodontal disease in Chinese (Shanghai))


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

Resource links provided by NLM:

Further study details as provided by Shanghai Stomatological Disease Center:

Study Start Date: July 2011
Chronic Periodontitis


Information from the National Library of Medicine

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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 a pre-existing patient database in Shanghai. 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 the extent of periodontal tissue destruction with consideration of tooth loss.


Inclusion Criteria:

- To be included in this study, an individual needs to be Han Chinese of 35 years of age or older at time of enrollment.

Exclusion Criteria:

- 1) Age younger than 35 years old. 2) Patients with diagnosis of rheumatoid arthritis, psoriasis, inflammatory bowel disease, glomerulonephritis/kidney disease, cancer, or Sjogren's syndrome.

3) Organ transplant recipients.

  Contacts and Locations
No Contacts or Locations Provided
  More Information

ClinicalTrials.gov Identifier: NCT01676545     History of Changes
Other Study ID Numbers: ILI-10-122-PST2China
First Submitted: August 30, 2012
First Posted: August 31, 2012
Last Update Posted: August 31, 2012
Last Verified: August 2012

Additional relevant MeSH terms:
Periodontal Diseases
Mouth Diseases
Stomatognathic Diseases