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Clinical trialNCT00414921CompletedPhase 2Interventional

Preschool Supplement to Clonidine in ADHD (Kiddie-CAT)

SponsorUniversity of CincinnatiEnrollment30Attention Deficit Hyperactivity Disorder
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

The purpose of this study is to evaluate the safety and efficacy of two medications--clonidine and methylphenidate--alone or in combination to treat attention deficit hyperactivity disorder in children ages 4 through 6.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

3 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • University of Rochester Medical Center, Department of Neurology, 919 Westfall Road, Building C

    Rochester, New York, United States

  • University of Cincinnati, Department of Psychiatry, 231 Albert Sabin Way, M: 0559

    Cincinnati, Ohio, United States

  • Western Psychiatric Institute and Clinic, Add Program, 3811 Ohara Street

    Pittsburgh, Pennsylvania, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

Clonidine →Methylphenidate →
Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
30 Sept 2003
Primary completion
—
Completion
30 Jun 2007
Last update posted
21 May 2009
Registered enrollment
30
Registry id
NCT00414921
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.