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Sponsor study identifier
Secondary identifiers
OTHER · National Health Research Institute
OTHER · National Health Research Institute
OTHER · National Health Research Institute
OTHER · National Health Research Institute
OTHER · National Health Research Institute
observational
1,800
1 country
1
Study Start
January 2005
Date type not reportedThis date has not been verified as actual or estimated.
Primary Completion
Not reported
Date not reportedStudy Completion
December 2009
Actual (reported)Background: Attention deficit hyperactivity disorder (ADHD), characterized by inattention, hyperactivity and impulsivity, is an early onset, common (5-10% worldwide; 7.5% in Taiwan), clinically heterogeneous, impairing disorder. Despite the abundance of research on ADHD, the vast majority of samples have been limited to Caucasians; there is limited information about the expressions, patterns, correlates, and outcomes for ADHD in the Taiwanese population. Specific Aims:
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
December 2009
Actual (reported)Click on a node to explore related trials.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
January 2005
Date type not reportedThis date has not been verified as actual or estimated.
December 31, 2006
Actual (reported)January 4, 2007
Actual (reported)December 2009
Actual (reported)Community-based sample \& children with ADHD and their families
Contact the study team to confirm eligibility.
National Taiwan Univeristy Hospital
Taipei, 10002, Taiwan
Chiang HL, Gau SS. Impact of executive functions on school and peer functions in youths with ADHD. Res Dev Disabil. 2014 May;35(5):963-72. doi: 10.1016/j.ridd.2014.02.010. Epub 2014 Mar 11.
Gau SS, Chiang HL. Association between early attention-deficit/hyperactivity symptoms and current verbal and visuo-spatial short-term memory. Res Dev Disabil. 2013 Jan;34(1):710-20. doi: 10.1016/j.ridd.2012.10.005. Epub 2012 Nov 5.
Susan Shur-Fen Gau, MD, PhD
National Taiwan University Hospital & College of Medicine
1,800 participants (actual enrollment reported by the registry).
First Submitted
December 31, 2006
First Posted
January 4, 2007
Study Start
January 2005
Date type not reportedThis date has not been verified as actual or estimated.
Wu SY, Gau SS. Correlates for academic performance and school functioning among youths with and without persistent attention-deficit/hyperactivity disorder. Res Dev Disabil. 2013 Jan;34(1):505-15. doi: 10.1016/j.ridd.2012.09.004. Epub 2012 Oct 11.
Gau SS, Lin YJ, Cheng AT, Chiu YN, Tsai WC, Soong WT. Psychopathology and symptom remission at adolescence among children with attention-deficit-hyperactivity disorder. Aust N Z J Psychiatry. 2010 Apr;44(4):323-32. doi: 10.3109/00048670903487233.
Study Completion
December 2009
Actual (reported)Last Updated
November 14, 2012
Record last verified: 2012-04
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Source: ClinicalTrials.gov.
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