Status:

COMPLETED

A Follow-up, Family Study on Attention-deficit Hyperactivity Disorder

Lead Sponsor:

National Taiwan University Hospital

Collaborating Sponsors:

National Health Research Institutes, Taiwan

Conditions:

Attention Deficit Hyperactivity Disorder

Eligibility:

All Genders

10-18 years

Brief Summary

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 hetero...

Detailed Description

(A) Specific Aims The ultimate goals of this family study are to identify the endophenotypes that are closer to the biological expression of genes underlying ADHD, to identify patterns of familial ag...

Eligibility Criteria

Inclusion

  • Community-based sample for the development of several Chinese versions of instruments: SNAP-IV, SDQ, ASRI, and ASRS.
  • ADHD follow-up family studies (ADHD group): (1) that subjects either had the clinical diagnosis of DSM-IV ADHD, which was made by a full-time child psychiatrist at the first visit and following visits or by a child psychiatrist using the K-SADS-E as the second-stage case ascertainment at an epidemiological study; (2) the diagnoses of ADHD were made 3-6 years ago; (3) their ages range from 12 to 15 when we conduct study; (4) subjects have at least one sibling aged 6-18 and live with at least one biological parent; and (5) subjects and their family consent to participate in this study.
  • (control group)(1) that subjects were assessed either at a clinical setting or in an epidemiological study same as to those in the exposed group 6 years ago; (2) their ages range from 12 to 15 when we conduct study; (3) subjects have at least one sibling aged 6-18 and live with at least one biological parent; and (4) subjects and their family consent to participate in this study.

Exclusion

  • The subjects, including those who in the exposed and unexposed groups, will be excluded from the study if they currently meet criteria or have a history of the following condition as defined by DSM-IV: Schizophrenia, Schizoaffective Disorder, Organic Psychosis, Mental Retardation, or Pervasive Developmental Disorder. Moreover, the subjects will be excluded from the unexposed group if have a history of the following condition as defined by DSM-IV: ADHD, ODD, or CD in addition to the above exclusion criteria.

Key Trial Info

Start Date :

January 1 2005

Trial Type :

OBSERVATIONAL

Allocation :

ACTUAL

End Date :

December 1 2009

Estimated Enrollment :

1800 Patients enrolled

Trial Details

Trial ID

NCT00417781

Start Date

January 1 2005

End Date

December 1 2009

Last Update

November 14 2012

Active Locations (1)

Enter a location and click search to find clinical trials sorted by distance.

Page 1 of 1 (1 locations)

1

National Taiwan Univeristy Hospital

Taipei, Taiwan, 10002