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Showing 1–24 of 118 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Placebo to citalopram Clear all
Completed Phase 4 Interventional Results available

Neural Mechanisms of Monoaminergic Engagement in Late-life Depression Treatment Response (NEMO)

NCT03128021
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Escitalopram Pill, Placebo, Levomilnacipran Pill
Drug · Other
Lead sponsor
Howard Aizenstein
Other
Eligibility
60 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 9, 2025 · Synced Sep 28, 2026, 6:26 PM EDT
Completed Phase 4 Interventional Results available

Safety and Efficacy of Vilazodone in Major Depressive Disorder

NCT01473381
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Vilazodone, Placebo to citalopram, Placebo to vilazodone, Citalopram
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years to 70 Years
Enrollment
1,162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
54
States / cities
Birmingham, Alabama • Dothan, Alabama • Scottsdale, Arizona + 46 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2014 · Synced Sep 28, 2026, 6:26 PM EDT
Completed Phase 4 Interventional Results available

Responses of Myocardial Ischemia to Escitalopram Treatment

NCT00574847
View directory record Official record
Conditions
Myocardial Ischemia
Interventions
Escitalopram, Placebo
Drug
Lead sponsor
Duke University
Other
Eligibility
21 Years to 90 Years
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 4, 2015 · Synced Sep 28, 2026, 6:26 PM EDT
Completed Phase 3 Interventional Results available

Vortioxetine (Lu AA21004) 10 and 20 mg for Treatment of Major Depressive Disorder With Sexual Dysfunction

NCT01364649
View directory record Official record
Conditions
Treatment Outcome
Interventions
Vortioxetine, Escitalopram, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 55 Years
Enrollment
447 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
53
States / cities
Birmingham, Alabama • Tucson, Arizona • Anaheim, California + 50 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2014 · Synced Sep 28, 2026, 6:26 PM EDT
Enrolling by invitation Phase 2 Interventional

Neuroimaging of Escitalopram in Autism Spectrum Disorder

NCT06826326
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Escitalopram 10mg, Placebo
Drug
Lead sponsor
Kathryn Unruh
Other
Eligibility
12 Years to 17 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Sep 28, 2026, 6:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Citalopram Effects on Craving and Dopamine Receptor Availability in Alcoholics

NCT01657760
View directory record Official record
Conditions
Alcohol Dependence
Interventions
citalopram
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years to 55 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
West Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 22, 2019 · Synced Sep 28, 2026, 6:26 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Pharmacotherapy Dosing Regimen in Cocaine and Opiate Dependent Individuals - 8

NCT00218036
View directory record Official record
Conditions
Cocaine Abuse, Opiate Dependence
Interventions
Modafinil 200mg, Modafinil 400mg, Citalopram 20mg, Citalopram 40mg, Placebo
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
22 Years to 50 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 15, 2018 · Synced Sep 28, 2026, 6:26 PM EDT
Completed Phase 4 Interventional Results available

Predictors of Antidepressant Response

NCT02178696
View directory record Official record
Conditions
Depression
Interventions
Placebo, identified as placebo to participants, Celexa or other antidepressant as clinically indicated, Placebo, identifed to participants as "Active medication"
Other · Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 60 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 4, 2017 · Synced Sep 28, 2026, 6:26 PM EDT
Terminated Phase 4 Interventional Results available

Escitalopram for Premenstrual Syndrome (PMS) in Teens: A Pilot Study

NCT00523705
View directory record Official record
Conditions
PMS
Interventions
escitalopram, placebo
Drug · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
15 Years to 19 Years · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 5, 2014 · Synced Sep 28, 2026, 6:26 PM EDT
Completed Phase 4 Interventional Results available

SSRI Effects on Depression and Immunity in HIV/AIDS

NCT02620150
View directory record Official record
Conditions
Depression, HIV, AIDS
Interventions
Escitalopram, Placebo
Drug · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 70 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 6, 2024 · Synced Sep 28, 2026, 6:26 PM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Efficacy, Safety, and Tolerability of Intranasal Esketamine Plus an Oral Antidepressant in Elderly Participants With Treatment-resistant Depression

NCT02422186
View directory record Official record
Conditions
Depressive Disorder, Treatment-Resistant
Interventions
Esketamine, Placebo, Duloxetine (Oral Antidepressant), Escitalopram (Oral Antidepressant), Sertraline (Oral Antidepressant), Venlafaxine Extended Release (XR) (New Antidepressant)
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
65 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
15
States / cities
San Diego, California • New Haven, Connecticut • Miami, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Sep 28, 2026, 6:26 PM EDT
Completed Phase 3 Interventional Results available

The Safety and Efficacy of Escitalopram in Pediatric Patients With Major Depressive Disorder

NCT00107120
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Escitalopram, Placebo
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
12 Years to 17 Years
Enrollment
312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
28
States / cities
Sacramento, California • San Diego, California • Washington D.C., District of Columbia + 23 more
Source: ClinicalTrials.gov public record
Updated Apr 5, 2012 · Synced Sep 28, 2026, 6:26 PM EDT
Completed Phase 2 Interventional

Predicting Alcoholics' Treatment Responses to a Selective Serotonin Re-uptake Inhibitor (SSRI)

NCT00249405
View directory record Official record
Conditions
Alcoholism, Alcohol Abuse
Interventions
Citalopram + MI, Placebo + MI
Drug · Behavioral
Lead sponsor
University of Cincinnati
Other
Eligibility
21 Years to 65 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 2, 2010 · Synced Sep 28, 2026, 6:26 PM EDT
Completed Phase 2 Interventional Results available

A Study to Compare the Efficacy, Safety, and Tolerability of JNJ-42847922 Versus Quetiapine Extended-Release as Adjunctive Therapy to Antidepressants in Adult Participants With Major Depressive Disorder Who Have Responded Inadequately to Antidepressant Therapy

NCT03321526
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
JNJ-42847922, Placebo Matching to JNJ-42847922, Quetiapine XR, Placebo Matching to Quetiapine XR, Selective Serotonin Reuptake Inhibitor (SSRI), Serotonin-Norepinephrine Reuptake Inhibitor (SNRI)
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 70 Years
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
50
States / cities
Phoenix, Arizona • Tempe, Arizona • Rogers, Arkansas + 41 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Sep 28, 2026, 6:26 PM EDT
Completed Not applicable Interventional Results available

Exercise and Pharmacotherapy for Anxiety in Cardiac Patients

NCT02516332
View directory record Official record
Conditions
Anxiety, Cardiovascular Disease
Interventions
Lexapro, Placebo, Supervised Aerobic Exercise
Drug · Behavioral
Lead sponsor
Duke University
Other
Eligibility
40 Years and older
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 10, 2021 · Synced Sep 28, 2026, 6:26 PM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Efficacy, Safety, and Tolerability of Flexible Doses of Intranasal Esketamine Plus an Oral Antidepressant in Adult Participants With Treatment-resistant Depression

NCT02418585
View directory record Official record
Conditions
Treatment-resistant Depression
Interventions
Esketamine, Placebo, Duloxetine (Oral Antidepressant), Escitalopram (Oral antidepressant), Sertraline (Oral Antidepressant), Venlafaxine Extended Release (XR) (Oral Antidepressant)
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 64 Years
Enrollment
236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
10
States / cities
Birmingham, Alabama • Orange, California • San Rafael, California + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Sep 28, 2026, 6:26 PM EDT
Withdrawn Phase 2 Interventional

A Study To Assess Adverse Events and Change in Disease Activity With Oral Cariprazine When Added to Antidepressant Therapies (ADTs) Compared to Placebo in Adult Participants With Generalized Anxiety Disorder (GAD) Who Have Had an Inadequate Response to ADTs Alone

NCT04965272
View directory record Official record
Conditions
Generalized Anxiety Disorder
Interventions
Cariprazine 0.75 mg/day, Cariprazine 1.5 mg/day, Cariprazine 3.0 mg/day, Placebo
Drug · Other
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
36
States / cities
Little Rock, Arkansas • Colton, California • Costa Mesa, California + 29 more
Source: ClinicalTrials.gov public record
Updated Apr 11, 2022 · Synced Sep 28, 2026, 6:26 PM EDT
Not listed Phase 4 Interventional

Brain Mechanisms and Targeting Insomnia in Major Depression

NCT00628914
View directory record Official record
Conditions
Major Depressive Disorder, Insomnia
Interventions
escitalopram and eszopiclone, Escitalopram, eszopiclone, and placebo, Escitalopram
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 64 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 19, 2010 · Synced Sep 28, 2026, 6:26 PM EDT
Not listed Phase 1 Interventional

Monoaminergic Modulation of Motor Function in Subacute Incomplete Spinal Cord Injury (SCI)

NCT01753882
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
Lexapro, Placebo
Drug
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 75 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 21, 2019 · Synced Sep 28, 2026, 6:26 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Use of Functional Behavioral Assessments to Evaluate Stereotypy and Repetitive Behaviors in a Double-blind, Placebo Controlled Trials of Various Medications Used to Treat Children With Autism.

NCT00211770
View directory record Official record
Conditions
Autism
Interventions
Behavioral Assessment
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
5 Years to 18 Years
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 11, 2013 · Synced Sep 28, 2026, 6:26 PM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of Cariprazine as an Adjunctive to Antidepressant Therapy in Major Depressive Disorder

NCT01469377
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Placebo, Cariprazine
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years to 65 Years
Enrollment
819 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
39
States / cities
Garden Grove, California • National City, California • Oceanside, California + 34 more
Source: ClinicalTrials.gov public record
Updated Apr 30, 2018 · Synced Sep 28, 2026, 6:26 PM EDT
Completed Phase 4 Interventional Results available

Adjunctive Mixed Salts Amphetamine for Depressed Adults With Incomplete Response to Current Antidepressant Therapy

NCT02058693
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
mixed salts amphetamine
Drug
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 14, 2023 · Synced Sep 28, 2026, 6:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Effect of Selective Serotonin Reuptake Inhibitors (SSRIs) and an Opioid on Ventilation

NCT05470465
View directory record Official record
Conditions
Hypercapnia, Ventilatory Depression
Interventions
Placebo and Oxycodone, Paroxetine and Oxycodone, Escitalopram and Oxycodone
Drug
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
18 Years to 50 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced Sep 28, 2026, 6:26 PM EDT
Completed Phase 4 Interventional Results available

Cyclooxygenase-2-Inhibitor Combination Treatment for Bipolar Depression

NCT01479829
View directory record Official record
Conditions
Bipolar Depression
Interventions
Escitalopram, Celecoxib, Placebo
Drug
Lead sponsor
Loyola University
Other
Eligibility
21 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
1
States / cities
Maywood, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 28, 2024 · Synced Sep 28, 2026, 6:26 PM EDT