Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 6, 2026, 6:25 AM 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 157 matching trials from the live ClinicalTrials.gov search.
Conditions
Major Depressive Disorder
Interventions
Quetiapine fumarate
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 65 Years
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
56
States / cities
Phoenix, Arizona • El Centro, California • Irvine, California + 53 more
Completed Not applicable Interventional Results available

Trial of Quetiapine in Anorexia Nervosa

NCT00518973
Conditions
Anorexia Nervosa
Interventions
Quetiapine, Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
San Diego, California
Conditions
Bipolar I Disorder, Depression
Interventions
Cariprazine, Aripiprazole/Escitalopram combination, Quetiapine, Lurasidone
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
2,726 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
17
States / cities
Birmingham, Alabama • Bloomington, Indiana • Baltimore, Maryland + 13 more
Conditions
Schizophrenia, Cognition
Interventions
Sertindole, Quetiapine
Drug
Lead sponsor
H. Lundbeck A/S
Industry
Eligibility
18 Years to 55 Years
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
26
States / cities
Garden Grove, California • National City, California • Pasadena, California + 23 more
Conditions
Bipolar Disorder
Interventions
Lu AA39959, Placebo, Quetiapine
Drug
Lead sponsor
H. Lundbeck A/S
Industry
Eligibility
18 Years to 65 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Alcoholism
Interventions
Seroquel, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Agitation, Dementia
Interventions
Depakote ER, Seroquel
Drug
Lead sponsor
Tuscaloosa Research & Education Advancement Corporation
Other
Eligibility
55 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Tuscaloosa, Alabama
Completed Phase 2 Interventional Results available

Seroquel for Frequent, Heavy Drinkers

NCT00674765
Conditions
Alcoholism
Interventions
Seroquel, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 70 Years
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Schizophrenia, Schizoaffective Disorder, Substance Abuse, Substance Dependence
Interventions
Quetiapine, Risperidone
Drug
Lead sponsor
Creighton University
Other
Eligibility
19 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Omaha, Nebraska
Conditions
Bipolar II Disorder
Interventions
Quetiapine/Seroquel, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 65 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Stanford, California
Completed Phase 4 Interventional Results available

Quetiapine for Bipolar Disorder and Alcohol Dependence

NCT00457197
Conditions
Bipolar Disorder, Alcohol Dependence
Interventions
Placebo, Quetiapine
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Psychotic Disorders
Interventions
Aripiprazole or Perphenazine, Metformin, Olanzapine, quetiapine, risperidone, ziprasidone, aripiprazole, asenapine, iloperidone, lurasidone, paliperidone, or olanzapine/fluoxetine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
8 Years to 19 Years
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
4
States / cities
Baltimore, Maryland • Glen Oaks, New York • Chapel Hill, North Carolina
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Quetiapine or Risperidone + Aripiprazole, Quetiapine or Risperidone + placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years and older
Enrollment
323 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
48
States / cities
Little Rock, Arkansas • Cerritos, California • Costa Mesa, California + 37 more
Conditions
Major Depressive Disorder
Interventions
Quetiapine Fumarate Sustained Release
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 65 Years
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
144
States / cities
Birmingham, Alabama • Tuscaloosa, Alabama • Mesa, Arizona + 141 more
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
quetiapine, haloperidol decanoate
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 60 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2002
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Bipolar Disorder
Interventions
Lithium Carbonate, Lamotrigine, Valproic Acid, Oxcarbazepine, Carbamazepine, Ziprasidone, Risperidone, Quetiapine, Olanzapine, Aripiprazole, Fluoxetine / Olanzapine, Haloperidol, Perphenazine, Clozapine, Asenapine, Lurasidone, Paliperidone, Mirtazapine, Bupropion, Desvenlafaxine, Duloxetine, Venlafaxine, Citalopram, Escitalopram, Fluoxetine, Fluvoxamine, Paroxetine, Sertraline, Vilazodone, Doxepin
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
Not listed
Enrollment
1,037,352 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Albuquerque, New Mexico
Completed Phase 3 Interventional Results available

Generalized Anxiety Disorder Adjunct Study

NCT00534599
Conditions
Anxiety, Anxiety Disorders, Anxiety Neuroses, Anxiety States
Interventions
Placebo, quetiapine fumarate XR
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 65 Years
Enrollment
409 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
53
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Beverly Hills, California + 50 more
Conditions
Hypercapnia, Ventilatory Depression
Interventions
Oxycodone and Midazolam, Oxycodone, Paroxetine, and Quetiapine
Drug
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
18 Years to 50 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
West Bend, Wisconsin
Conditions
Major Depressive Disorder, Generalized Anxiety Disorder
Interventions
Quetiapine XR, Placebo
Drug
Lead sponsor
Keming Gao
Other
Eligibility
18 Years to 70 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Cleveland, Ohio
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Impact of Aripiprazole Once Monthly Medications on Changes in Brain Structure and Metabolism

NCT02237417
Conditions
Schizophrenia
Interventions
Standard of Care Oral antipsychotics, IM aripiprazole once monthly, No Treatment
Drug · Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 35 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
Salt Lake City, Utah
Completed Phase 3 Interventional Results available

Pediatric Bipolar Depression

NCT00811473
Conditions
Bipolar Depression
Interventions
Quetiapine XR, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
10 Years to 17 Years
Enrollment
193 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
31
States / cities
Dothan, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 28 more
Conditions
Cocaine-Related Disorders, Substance-Related Disorders
Interventions
quetiapine
Drug
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years to 65 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Tacoma, Washington
Conditions
Bipolar Disorder
Interventions
quetiapine fumarate
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
1,255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
30
States / cities
Cerritos, California • San Diego, California • Santa Ana, California + 27 more
Conditions
Bipolar Disorder, Mood Disorders
Interventions
Placebo, Quetiapine, Paliperidone ER
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years to 65 Years
Enrollment
493 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
22
States / cities
Cerritos, California • Garden Grove, California • Oceanside, California + 19 more