Nagasaki and Tokushima

This study is currently recruiting participants.
Verified December 2012 by University of Tokushima
Information provided by (Responsible Party):
Naofumi Tamaki, University of Tokushima Identifier:
First received: November 28, 2012
Last updated: December 3, 2012
Last verified: December 2012

we analyzed the relationship between oxidative stress, immunoglobulin G antibody titers, cytokines, and periodontitis through community-based study held in the Goto city, Japan.


Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Cross-Sectional
Official Title: Oxidative Stress in Community-dwelling Adults

Further study details as provided by University of Tokushima:

Primary Outcome Measures:
  • oxidative stress and periodontitis [ Time Frame: participants will be followed by an expected average of 1 year. ] [ Designated as safety issue: Yes ]
    reactive oxygen metabolites were measured. immunoglobulin G antibodies were measured by enzyme-linked immunosorbent assay.

Estimated Enrollment: 2000
Study Start Date: May 2009
Estimated Study Completion Date: March 2015
Primary Completion Date: March 2012 (Final data collection date for primary outcome measure)
Sample collection
Oxidative stress, cytokine
oxidative stress


Ages Eligible for Study:   20 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes
Sampling Method:   Non-Probability Sample
Study Population

community sample


Inclusion Criteria:

more than 15 teeth

Exclusion Criteria:

less than 15 teeth

  Contacts and Locations
Please refer to this study by its identifier: NCT01742728

University of Nagasaki Recruiting
Nagasaki, Goto, Japan
Contact: Toshiyuki Saito    +81-(95)-819-7662      
Sponsors and Collaborators
University of Tokushima
  More Information

Additional Information:
Responsible Party: Naofumi Tamaki, oxidative stress and periodontitis, University of Tokushima Identifier: NCT01742728     History of Changes
Other Study ID Numbers: goto2012
Study First Received: November 28, 2012
Last Updated: December 3, 2012
Health Authority: Japan: Ministry of Education, Culture, Sports, Science and Technology

Keywords provided by University of Tokushima:
oxidative stress, antioxidant, periodontitis, serum immunoglobulin G
antibody titer

Additional relevant MeSH terms:
Periodontal Diseases
Mouth Diseases
Stomatognathic Diseases processed this record on April 17, 2014