Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 9, 2026, 8:48 PM EDT

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

Showing 1–24 of 57 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Guanfacine Clear all
Completed Phase 4 Interventional Accepts healthy volunteers

Language-based Learning Skills and Attention Deficit Hyperactivity Disorder (ADHD): Impact of Treatment With Sustained-release Guanfacine

NCT01146002
View directory record Official record
Conditions
Attention-deficit/Hyperactivity Disorder
Interventions
Guanfacine (sustained release)
Drug
Lead sponsor
Neurology Group of Bergen County, P.A.
Other
Eligibility
6 Years to 12 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Ridgewood, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 1, 2014 · Synced Sep 9, 2026, 8:48 PM EDT
Completed Phase 4 Interventional Results available

A Study of TAK-503 in Children and Teenagers With Attention Deficit Hyperactivity Disorder (ADHD)

NCT04085172
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Guanfacine hydrochloride (TAK-503), Atomoxetine hydrochloride, Placebo
Drug · Other
Lead sponsor
Shire
Industry
Eligibility
6 Years to 17 Years
Enrollment
396 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
20
States / cities
Dothan, Alabama • Anaheim, California • Imperial, California + 17 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 9, 2026, 8:48 PM EDT
Completed Phase 1 Interventional Results available

Open-Label Pilot Study of Guanfacine-Extended Release for the Treatment of Cannabis Dependence

NCT01467999
View directory record Official record
Conditions
Cannabis Dependence
Interventions
Guanfacine
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Sep 9, 2026, 8:48 PM EDT
Not yet recruiting Early Phase 1 Interventional

Guanfacine and Cromolyn Sodium for POTS: The DBPOTS Trial

NCT07757555
View directory record Official record
Conditions
Postural Orthostatic Tachycardia Syndrome (POTS), Dysautonomia, Orthostatic Intolerance, Autonomic Nervous System Diseases
Interventions
Guanfacine (GFC), Cromolyn Sodium, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 9, 2026, 8:48 PM EDT
Completed Phase 2 Interventional Results available

A Trial of Guanfacine-er for Cannabis Use Disorder

NCT05273567
View directory record Official record
Conditions
Cannabis Use
Interventions
guanfacine-ER, Placebo
Drug · Other
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Sep 9, 2026, 8:48 PM EDT
Completed Phase 3 Interventional Results available

Tolerability and Efficacy of AM and PM Once Daily Dosing With Extended-release Guanfacine Hydrochloride in Children 6-12 With Attention-Deficit/Hyperactivity Disorder (ADHD) (The ADHD Tempo Study)

NCT00997984
View directory record Official record
Conditions
Attention-Deficit/Hyperactivity Disorder
Interventions
extended-release guanfacine hydrochloride (SPD503), placebo, extended-release guanfacine hydrochloride
Drug
Lead sponsor
Shire
Industry
Eligibility
6 Years to 12 Years
Enrollment
340 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
42
States / cities
Little Rock, Arkansas • El Centro, California • Rolling Hills Estates, California + 38 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2021 · Synced Sep 9, 2026, 8:48 PM EDT
Completed Not applicable Interventional Results available

Guanfacine for PONV and Pain After Sinus Surgery

NCT02882854
View directory record Official record
Conditions
Postoperative Nausea and Vomiting, Pain, Postoperative
Interventions
Guanfacine, Placebo
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 2, 2019 · Synced Sep 9, 2026, 8:48 PM EDT
Completed Phase 4 Interventional

Inuniv and Working Memory

NCT01177306
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
extended release guanfacine
Drug
Lead sponsor
Lori A. Schweickert, MD
Individual
Eligibility
8 Years to 12 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Cary, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 27, 2014 · Synced Sep 9, 2026, 8:48 PM EDT
Completed Phase 3 Interventional Results available

SPD503 (Guanfacine Hydrochloride) in ADHD Plus Oppositional Symptoms

NCT00367835
View directory record Official record
Conditions
ADHD
Interventions
SPD503 (Guanfacine hydrochloride), Placebo
Drug
Lead sponsor
Shire
Industry
Eligibility
6 Years to 12 Years
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
34
States / cities
Phoenix, Arizona • El Centro, California • Rolling Hills Estates, California + 29 more
Source: ClinicalTrials.gov public record
Updated Jun 13, 2021 · Synced Sep 9, 2026, 8:48 PM EDT
Completed Phase 4 Interventional Results available

Guanfacine for the Treatment of Hyperactivity in Pervasive Developmental Disorder

NCT01238575
View directory record Official record
Conditions
Pervasive Development Disorders
Interventions
placebo, extended-release guanfacine
Other · Drug
Lead sponsor
Yale University
Other
Eligibility
5 Years to 14 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
5
States / cities
Los Angeles, California • New Haven, Connecticut • Atlanta, Georgia + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2020 · Synced Sep 9, 2026, 8:48 PM EDT
Completed Phase 3 Interventional Results available

The Effect of Guanfacine on Delirium in Critically Ill Patients

NCT04578886
View directory record Official record
Conditions
Delirium
Interventions
Guanfacine, Placebo
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 14, 2025 · Synced Sep 9, 2026, 8:48 PM EDT
Completed Phase 4 Interventional Results available

Guanfacine in Children With Tic Disorders

NCT01547000
View directory record Official record
Conditions
Tourette Disorder, Tourette Syndrome
Interventions
placebo, extended-release guanfacine (Intuniv)
Drug
Lead sponsor
Yale University
Other
Eligibility
6 Years to 17 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
3
States / cities
New Haven, Connecticut • Tampa, Florida • New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 12, 2021 · Synced Sep 9, 2026, 8:48 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Guanfacine Immediate-release Electrocardiogram Results (QTc) Study

NCT00672984
View directory record Official record
Conditions
Healthy Volunteers
Interventions
immediate release guanfacine hydrochloride, moxifloxacin, Placebo
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 45 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jun 13, 2021 · Synced Sep 9, 2026, 8:48 PM EDT
Recruiting Not applicable Interventional

Evaluation of TENEX for Greater Trochanteric Pain Syndrome (GTPS)

NCT05710627
View directory record Official record
Conditions
Greater Trochanteric Pain Syndrome
Interventions
TENEX
Device
Lead sponsor
Montefiore Medical Center
Other
Eligibility
30 Years to 90 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Sep 9, 2026, 8:48 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Guanfacine to Reduce Relapse Risk in Women With Alcohol Use Disorder (AUD)

NCT03137082
View directory record Official record
Conditions
Alcohol Abstinence
Interventions
Guanfacine XR 3mgs/daily, Placebo (for guanfacine)
Drug
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Jun 4, 2024 · Synced Sep 9, 2026, 8:48 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers

Guanfacine for Hyperactivity in Children With Down Syndrome (HYPEbeGONE_DS)

NCT06042257
View directory record Official record
Conditions
Hyperactivity in Children With Down Syndrome, Impulsivity in Children With Down Syndrome
Interventions
Guanfacine Hydrochloride Immediate Release, Placebo
Drug
Lead sponsor
Rachel G. Greenberg, MD, MB, MHS
Other
Eligibility
6 Years to 12 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
14
States / cities
Phoenix, Arizona • Atlanta, Georgia • Chicago, Illinois + 11 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Sep 9, 2026, 8:48 PM EDT
Recruiting Phase 1 Interventional

Combined Guanfacine and Mindfulness Meditation as an Adjunct to Buprenorphine Maintenance in Opioid Use Disorder

NCT06642181
View directory record Official record
Conditions
Mindfulness, Guanfacine, Opioid Use Disorder
Interventions
Guanfacine pharmacotherapy, Mindfulness Oriented Recovery Enhancement (MORE)
Drug · Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 55 Years
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Sep 9, 2026, 8:48 PM EDT
Recruiting Phase 2 Interventional

Guanfacine for Alcohol Use Disorder (AUD)

NCT06629259
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Guanfacine Extended Release (XR), Placebo
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
2
States / cities
Indianapolis, Indiana • Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Sep 9, 2026, 8:48 PM EDT
Withdrawn Phase 4 Interventional

Guanfacine Extended Release and Mindfulness Skills Therapy

NCT03258476
View directory record Official record
Conditions
Stress Disorder
Interventions
Guanfacine Extended Release, Mindfulness Skills Therapy, Placebo
Drug · Behavioral
Lead sponsor
UConn Health
Other
Eligibility
10 Years to 20 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 7, 2021 · Synced Sep 9, 2026, 8:48 PM EDT
Not listed Phase 4 Interventional

Guanfacine Adjunctive Treatment to Atypical Antipsychotics for Cognitive Dysfunction in Schizophrenia

NCT00469664
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Cognitive Impairment
Interventions
Guanfacine/Tenex
Drug
Lead sponsor
Research Foundation for Mental Hygiene, Inc.
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2008
U.S. locations
3
States / cities
New York, New York • The Bronx, New York • W. Brentwood, New York
Source: ClinicalTrials.gov public record
Updated May 20, 2008 · Synced Sep 9, 2026, 8:48 PM EDT
Terminated Phase 4 Interventional Results available

Effect of Guanfacine Extended-Release on Attention Deficit Hyperactivity Disorder (ADHD)-Associated Insomnia

NCT01156051
View directory record Official record
Conditions
Attention-Deficit/Hyperactivity Disorder, Attention Deficit Disorder, Insomnia, Sleep Disorders
Interventions
Guanfacine extended-release tablets, Placebo comparator
Drug
Lead sponsor
Children's Specialized Hospital
Other
Eligibility
6 Years to 12 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Hamilton, New Jersey • Toms River, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 10, 2014 · Synced Sep 9, 2026, 8:48 PM EDT
Recruiting Not applicable Interventional

Randomized Controlled Trial (RCT) of Open Debridement Versus Tenex

NCT05757739
View directory record Official record
Conditions
Orthopedic Devices Associated With Misadventures
Interventions
Tenex Procedure, Open Debridement Surgical Intervention Treatment Plan
Procedure
Lead sponsor
Sean Mc Millan
Other
Eligibility
18 Years to 70 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
10
States / cities
Burlington, New Jersey • Cherry Hill, New Jersey • Moorestown, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Sep 9, 2026, 8:48 PM EDT
Completed Phase 3 Interventional

DORADO-AC - Optimized Doses of Darusentan as Compared to an Active Control in Resistant Hypertension

NCT00389779
View directory record Official record
Conditions
Hypertension
Interventions
Darusentan, Guanfacine, Darusentan Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
35 Years to 80 Years
Enrollment
849 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
87
States / cities
Birmingham, Alabama • Huntsville, Alabama • Montgomery, Alabama + 70 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2014 · Synced Sep 9, 2026, 8:48 PM EDT
Completed Phase 2 Interventional Results available

Maximizing trEatment of Neurological Dysfunction Using INtravenous Guanfacine Study

NCT04742673
View directory record Official record
Conditions
Critical Illness, Delirium, Cognitive Impairment
Interventions
Guanfacine, Placebo
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Sep 9, 2026, 8:48 PM EDT