NCT01742728|Unknown
Nagasaki and Tokushima
Oxidative Stress in Community-dwelling Adults
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Oxidative Stress in Community-dwelling Adults
Sponsor study identifier
observational
2,000
1 country
1
Study Start
May 2009
Date type not reportedThis date has not been verified as actual or estimated.
Primary Completion
March 2012
Actual (reported)Study Completion
March 2015
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
we analyzed the relationship between oxidative stress, immunoglobulin G antibody titers, cytokines, and periodontitis through community-based study held in the Goto city, Japan.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
March 2015
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
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Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
May 2009
Date type not reportedThis date has not been verified as actual or estimated.
March 2012
Actual (reported)November 28, 2012
Actual (reported)December 5, 2012
Actual (reported)March 2015
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
oxidative stress and periodontitis
reactive oxygen metabolites were measured. immunoglobulin G antibodies were measured by enzyme-linked immunosorbent assay.
participants will be followed by an expected average of 1 year.
Sample collection
Oxidative stress, cytokine
oxidative stress
community sample
University of Nagasaki
Nagasaki, Goto, Japan
Hayashida H, Kawasaki K, Yoshimura A, Kitamura M, Furugen R, Nakazato M, Takamura N, Hara Y, Maeda T, Saito T. Relationship between periodontal status and HbA1c in nondiabetics. J Public Health Dent. 2009 Summer;69(3):204-6. doi: 10.1111/j.1752-7325.2009.00122.x.
Tamaki N, Yoshino F, Fukui M, Hayashida H, Yoshida A, Kitamura M, Iwasaki T, Furugen R, Kawasaki K, Nakazato M, Maeda T, Kokeguchi S, Yamamoto T, Lee MC, Ito HO, Saito T. Relationship among salivary antioxidant activity, cytokines, and periodontitis: the Nagasaki Island study. J Clin Periodontol. 2015 Aug;42(8):711-718. doi: 10.1111/jcpe.12438. Epub 2015 Aug 29.
First Submitted
November 28, 2012
First Posted
December 5, 2012
Study Start
May 2009
Date type not reportedThis date has not been verified as actual or estimated.
Primary Completion
March 2012
Adjunctive Antimicrobial Therapy of Periodontitis: Long-Term Effects on Disease Progression and Oral Microbiological Colonization
Contact the study team to confirm eligibility.
Study Completion
March 2015
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Last Updated
December 5, 2012
Record last verified: 2012-12
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