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Completed Phase 3 Interventional Results available

Dose-optimization in Adolescents Aged 13-17 Diagnosed With Attention-deficit/Hyperactivity Disorder (ADHD) Using Extended-release Guanfacine HCl

ClinicalTrials.gov ID: NCT01081132

Public ClinicalTrials.gov record NCT01081132. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 22, 2026, 10:25 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 3, Double-blind, Randomized, Multi-center, Placebo Controlled, Dose-optimization Study Evaluating the Safety, Efficacy, and Tolerability of Once Daily Dosing With Extended-release Guanfacine Hydrochloride in Adolescents Aged 13-17 Years Diagnosed With Attention-deficit/Hyperactivity Disorder (ADHD)

Study identification

NCT ID
NCT01081132
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Shire
Industry
Enrollment
314 participants

Conditions and interventions

Interventions

  • Extended-release Guanfacine Hydrochloride Drug
  • Placebo Other

Drug · Other

Eligibility (public fields only)

Age range
13 Years to 17 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 18, 2011
Primary completion
May 15, 2013
Completion
May 15, 2013
Last update posted
Jun 27, 2021

2011 – 2013

United States locations

U.S. sites
54
U.S. states
26
U.S. cities
52
Facility City State ZIP Site status
Harmonex Neuroscience Research Dothan Alabama 36303
Clinical Study Centers, LLC Little Rock Arkansas 72211
Peninsula Research Associates Rolling Hills Estates California 90274
Psychiatric Centers at San Diego (PCSD-Feighner Research Institute) San Diego California 92108
Encompass Clinical Research Spring Valley California 91978
Elite Clinical Trials, Inc. Wildomar California 92595
IMMUNO International Research Centers Centennial Colorado 80112
Coastal Connecticut Research LLC New London Connecticut 06320
Florida Clinical Research Center, LLC Bradenton Florida 34201
Sarkis Clinical Trials Gainesville Florida 32607
Amedica Research Institute, Inc. Hialeah Florida 33013
Clinical Neuroscience Solutions, Inc. Jacksonville Florida 32216
George M. Joseph, MD, PA Jacksonville Beach Florida 32250
Morteza Nadjafi, MD, FAPA Orlando Florida 32803
Clinical Neuroscience Solutions, Inc. Orlando Florida 32806
Miami Research Associates South Miami Florida 33143
Janus Center for Psychiatric Research West Palm Beach Florida 33407
Northwest Behavioral Research Center Roswell Georgia 30076
Institute for Behavioral Medicine Smyrna Georgia 30080
Capstone Clinical Research Libertyville Illinois 60048
AMR-Baber Research Inc. Naperville Illinois 60563
Goldpoint Clinical Research, LLC Indianapolis Indiana 46260
Clinco, Inc. Terre Haute Indiana 47802
Psychiatric Associates Overland Park Kansas 66211
Four Rivers Clinical Research, Inc. Paducah Kentucky 42003
Rochester Center for Behavioral Medicine Rochester Hills Michigan 48307
Clinical Neurophysiology Services, PC Sterling Heights Michigan 48314
Comprehensive Psychiatric Associates Gladstone Missouri 64118
St Charles Psychiatric Associates - Midwest Research Group Saint Charles Missouri 63301
Center for Psychiatry and Behavioral Medicine, Inc. Las Vegas Nevada 89128
Albuquerque Neuroscience Inc. Albuquerque New Mexico 87109
Finger Lakes Clinical Research Rochester New York 14618
Richmond Behavioral Associates Staten Island New York 10312
Triangle Neuropsychiatry Durham North Carolina 27707
NorthCoast Clinical Trials Beachwood Ohio 44122
The Ohio State University Columbus Ohio 43210
IPS Research Company Oklahoma City Oklahoma 73103
Tulsa Clinical Research, LLC Tulsa Oklahoma 74104
OCCI, Inc. Portland Oregon 97210
Oregon Center for Clinical Investigations, Inc. Salem Oregon 97301
CRI Worldwide Philadelphia Pennsylvania 19139
University Services Sleep Diagnostic and Treatment Centers West Chester Pennsylvania 19380
Rainbow Research Barnwell South Carolina 29812
The Jackson Clinic Jackson Tennessee 38305
Clinical Neuroscience Solutions, Inc. Memphis Tennessee 38119
Research Strategies of Memphis, LLC Memphis Tennessee 38119
FutureSearch Trials Austin Texas 78731
InSite Clinical Research DeSoto Texas 75115
R/D Clinical Research, Inc. Lake Jackson Texas 77566
Westex Clinical Investigations Lubbock Texas 79423
Neuroscience, Inc. Herndon Virginia 20170
Alliance Research Group Richmond Virginia 23230
Northwest Clinical Research Center Bellevue Washington 98007
East Side Therapeutic Resource Kirkland Washington 98033

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01081132, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 27, 2021 · Synced Jul 22, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01081132 live on ClinicalTrials.gov.

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