Unknown PHASE4 INTERVENTIONAL 1-arm NCT00862108

Methylphenidate Treatment Response Study of Genetic Polymorphism in Attention Deficit Hyperactivity Disorder(ADHD)

Functional Brain Markers and Predictors of Treatment Response Associated With Norepinephrine System Genes in ADHD

Sponsor: Korea Health Industry Development Institute

Conditions Attention Deficit Hyperactivity Disorder

Updated 6 times since 2017 Last updated: Sep 20, 2009 Started: Sep 30, 2008 Primary completion: Mar 31, 2010 Completion: Mar 31, 2010

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE4 clinical study on Attention Deficit Hyperactivity Disorder, this trial is ongoing. The trial is conducted by Korea Health Industry Development Institute and has accumulated 6 data snapshots since 2008. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

Change History

6 versions recorded

Sep 2025 — Present [monthly]

Unknown PHASE4
Sep 2024 — Sep 2025 [monthly]

Unknown PHASE4
Jul 2024 — Sep 2024 [monthly]

Unknown PHASE4

Status: Unknown Status → Unknown
Jan 2021 — Jul 2024 [monthly]

Unknown Status PHASE4
Jun 2018 — Jan 2021 [monthly]

Unknown Status PHASE4

▶ Show 1 earlier version

Jan 2017 — Jun 2018 [monthly]

Unknown Status PHASE4

First recorded

Sep 2008

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Korea Health Industry Development Institute
Seoul National University Hospital

Data source: Seoul National University Hospital

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Seoul, South Korea