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ClinicalTrials.gov public records Last synced Oct 1, 2026, 8:49 PM EDT

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Showing 25–48 of 113 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Adjunctive Treatment of Major Depressive Disorder Clear all
Completed Phase 3 Interventional Results available

A Study of Rapastinel as Adjunctive Therapy in Major Depressive Disorder (RAP-MD-01)

NCT02932943
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
Rapastinel, Placebo
Drug
Lead sponsor
Naurex, Inc, an affiliate of Allergan plc
Industry
Eligibility
18 Years to 65 Years
Enrollment
465 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
31
States / cities
Beverly Hills, California • Costa Mesa, California • Encino, California + 28 more
Source: ClinicalTrials.gov public record
Updated Oct 11, 2019 · Synced Oct 1, 2026, 8:49 PM EDT
Completed Phase 3 Interventional Results available

Clinical Trial of Lumateperone as Adjunctive Therapy in the Treatment of Patients With Major Depressive Disorder

NCT04985942
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Lumateperone, Placebo
Drug
Lead sponsor
Intra-Cellular Therapies, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
485 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
15
States / cities
Phoenix, Arizona • Glendale, California • Oceanside, California + 12 more
Source: ClinicalTrials.gov public record
Updated May 2, 2025 · Synced Oct 1, 2026, 8:49 PM EDT
Completed Phase 3 Interventional Results available

A Study of ALKS 5461 for the Treatment of Major Depressive Disorder (MDD) - FORWARD-5 Study

NCT02218008
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
ALKS 5461, Placebo
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
407 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
32
States / cities
Birmingham, Alabama • Colton, California • Garden Grove, California + 29 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2019 · Synced Oct 1, 2026, 8:49 PM EDT
Completed Phase 2 Interventional

Efficacy, Safety, and Tolerability Study of AVP-786 as an Adjunctive Therapy in Patients With Major Depressive Disorder With an Inadequate Response to Antidepressant Treatment

NCT02153502
View directory record Official record
Conditions
Depressive Disorder, Treatment-Resistant
Interventions
AVP-786 (d6-dextromethorphan hydrobromide and quinidine sulfate combination), Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years and older
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
32
States / cities
Birmingham, Alabama • Bellflower, California • Costa Mesa, California + 26 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 1, 2026, 8:49 PM EDT
Completed Phase 3 Interventional Results available

Safety and Tolerability of Oral OPC-34712 as Adjunctive Therapy in Adults With Major Depressive Disorder (the Orion Trial)

NCT01360866
View directory record Official record
Conditions
Depressive Disorder, Depression, Depressive Disorder, Major, Mood Disorders, Mental Disorders
Interventions
OPC-34712, Escitalopram, Fluoxetine, Paroxetine CR, Sertraline, Duloxetine, Venlafaxine XR
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
2,944 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
93
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 90 more
Source: ClinicalTrials.gov public record
Updated Sep 17, 2018 · Synced Oct 1, 2026, 8:49 PM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Efficacy and Safety of Armodafinil Treatment as Adjunctive Therapy in Adults With Major Depression Associated With Bipolar I Disorder

NCT01072929
View directory record Official record
Conditions
Depression
Interventions
Armodafinil, Placebo
Drug
Lead sponsor
Cephalon
Industry
Eligibility
18 Years to 65 Years
Enrollment
433 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
40
States / cities
Birmingham, Alabama • Beverly Hills, California • Garden Grove, California + 36 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2016 · Synced Oct 1, 2026, 8:49 PM EDT
Completed Phase 3 Interventional Results available

A Study of ALKS 5461 for the Treatment of Major Depressive Disorder (MDD) - the FORWARD-3 Study

NCT02158546
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
ALKS 5461, Placebo
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
447 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
50
States / cities
Little Rock, Arkansas • Bellflower, California • Beverly Hills, California + 45 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2019 · Synced Oct 1, 2026, 8:49 PM EDT
Completed Phase 3 Interventional Results available

A Study of Rapastinel as Adjunctive Therapy in Major Depressive Disorder (RAP-MD-03)

NCT02943577
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
Rapastinel, Placebo
Drug
Lead sponsor
Naurex, Inc, an affiliate of Allergan plc
Industry
Eligibility
18 Years to 65 Years
Enrollment
429 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
40
States / cities
Dothan, Alabama • Phoenix, Arizona • Imperial, California + 34 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2019 · Synced Oct 1, 2026, 8:49 PM EDT
Completed Phase 3 Interventional Results available

Study of Brexpiprazole as Adjunctive Treatment of Irritability in Patients With Major Depressive Disorder and an Inadequate Response to Antidepressant Therapy

NCT01942785
View directory record Official record
Conditions
Major Depressive Disorder, Irritability
Interventions
Brexpiprazole
Drug
Lead sponsor
H. Lundbeck A/S
Industry
Eligibility
18 Years to 65 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
15
States / cities
Tucson, Arizona • Glendale, California • Oakland, California + 12 more
Source: ClinicalTrials.gov public record
Updated Mar 15, 2016 · Synced Oct 1, 2026, 8:49 PM EDT
Completed Not applicable Interventional Results available

Memantine to Reduce Neurocognitive Deficits Following Unilateral ECT for the Treatment of a Major Depression

NCT00186498
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
memantine, Placebo Oral Capsule
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Sep 27, 2019 · Synced Oct 1, 2026, 8:49 PM EDT
Terminated Phase 3 Interventional Results available

Randomized, Double-Blind, Placebo-Controlled Trial of REL-1017 as Adjunctive Treatment for MDD

NCT06011577
View directory record Official record
Conditions
Major Depressive Disorder, Depression
Interventions
REL-1017, Placebo
Drug
Lead sponsor
Levomecor Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
36
States / cities
Dothan, Alabama • Homewood, Alabama • Anaheim, California + 32 more
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 1, 2026, 8:49 PM EDT
Completed Phase 3 Interventional Results available

A Study in Prevention of Re-emergence of Depression Symptoms

NCT01299272
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
LY2216684, Placebo, SSRI
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
1,249 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
27
States / cities
Redlands, California • Sherman Oaks, California • Wildomar, California + 24 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2018 · Synced Oct 1, 2026, 8:49 PM EDT
Completed Phase 3 Interventional Results available

Study of the Safety and Efficacy of Fixed Dose OPC-34712 as Adjunctive Therapy in the Treatment of Adults With Major Depressive Disorder (the Pyxis Trial)

NCT01360645
View directory record Official record
Conditions
Depressive Disorder, Depression, Depressive Disorder, Major, Mood Disorders, Mental Disorders
Interventions
OPC-34712 + ADT, Placebo + ADT
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
826 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
37
States / cities
Arcadia, California • Beverly Hills, California • Fresno, California + 34 more
Source: ClinicalTrials.gov public record
Updated Nov 26, 2015 · Synced Oct 1, 2026, 8:49 PM EDT
Completed Phase 3 Interventional Results available

A Safety Study in Participants With Major Depressive Disorder

NCT01155661
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
LY2216684 (edivoxetine), SSRI
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
608 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
24
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Cerritos, California + 21 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2018 · Synced Oct 1, 2026, 8:49 PM EDT
Completed Phase 2 Interventional Results available

A Study of JNJ-61393215 in the Treatment of Depression

NCT04080752
View directory record Official record
Conditions
Major Depressive Disorder With Anxious Distress
Interventions
JNJ-61393215, Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 64 Years
Enrollment
222 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
9
States / cities
Garden Grove, California • Alpharetta, Georgia • Atlanta, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Oct 1, 2026, 8:49 PM EDT
Completed Phase 3 Interventional Results available

A Study of Flexible-dose Brexpiprazole as Adjunctive Therapy in the Treatment of Adults With Major Depressive Disorder, the Delphinus Trial

NCT01727726
View directory record Official record
Conditions
Depressive Disorder, Depression, Depressive Disorder, Major, Mood Disorders, Mental Disorders
Interventions
Brexpiprazole, Seroquel XR, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
2,182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
44
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 39 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2018 · Synced Oct 1, 2026, 8:49 PM EDT
Terminated Phase 3 Interventional Results available

A Long Term Study of ALKS 5461 in the Treatment of Refractory Major Depressive Disorder (MDD)

NCT03610048
View directory record Official record
Conditions
Refractory Major Depressive Disorder
Interventions
ALKS 5461
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 72 Years
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
29
States / cities
Tucson, Arizona • Little Rock, Arkansas • Los Alamitos, California + 26 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2021 · Synced Oct 1, 2026, 8:49 PM EDT
Completed Phase 2 Interventional

A Trial of the Safety and Efficacy of SEP-363856 in the Treatment of Adults With Major Depressive Disorder

NCT05593029
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
SEP-363856, Placebo
Drug · Other
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
929 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
53
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Tucson, Arizona + 45 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Oct 1, 2026, 8:49 PM EDT
Terminated Phase 2 Interventional Results available

A Study to Evaluate the Safety and Efficacy of TS-121 as an Adjunctive Treatment for Major Depressive Disorder

NCT03093025
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
TS-121 10 mg, TS-121 50 mg, Placebo
Drug
Lead sponsor
Taisho Pharmaceutical R&D Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
22
States / cities
Little Rock, Arkansas • Rogers, Arkansas • Garden Grove, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2020 · Synced Oct 1, 2026, 8:49 PM EDT
Completed Phase 2 Interventional

MARIGOLD Study: A Study of RO4917523 Versus Placebo as Adjunctive Therapy in Patients With Major Depressive Disorder and an Inadequate Response to Ongoing Antidepressant Therapy

NCT01437657
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Placebo, RO4917523 0.5 mg, RO4917523 1.5 mg
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 70 Years
Enrollment
319 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
28
States / cities
Little Rock, Arkansas • Costa Mesa, California • Garden Grove, California + 22 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2016 · Synced Oct 1, 2026, 8:49 PM EDT
Completed Phase 2 Interventional Results available

A Study of Adjunctive Treatment to Antidepressant Therapy for Adults With Major Depressive Disorder

NCT00840034
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
LY2216684, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 65 Years
Enrollment
227 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
24
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Carson, California + 21 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2018 · Synced Oct 1, 2026, 8:49 PM EDT
Completed Phase 3 Interventional Results available

Efficacy, Safety and Tolerability of Cariprazine as an Adjunctive Treatment to Antidepressant Therapy (ADT) in Patients With Major Depressive Disorder (MDD)

NCT01715805
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Cariprazine, Placebo, Antidepressant Therapy (ADT)
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years to 65 Years
Enrollment
1,022 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
83
States / cities
Tucson, Arizona • Little Rock, Arkansas • Cerritos, California + 68 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2019 · Synced Oct 1, 2026, 8:49 PM EDT
Recruiting Phase 2 Interventional

Double-blind, Placebo-controlled Study in Adults With Major Depressive Disorder

NCT07226661
View directory record Official record
Conditions
Major Depressive Disorder (MDD)
Interventions
SPN-821 2400 mg, Placebo
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Garden Grove, California
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Oct 1, 2026, 8:49 PM EDT
Completed Phase 2 Interventional Results available

Study of Safety & Tolerability of OPC-34712 as Adjunctive Therapy in Treatment of Adult Patients With Major Depressive Disorder

NCT01447576
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
ADT, OPC-34712
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
1,036 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
32
States / cities
Arcadia, California • San Diego, California • Sherman Oaks, California + 28 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2015 · Synced Oct 1, 2026, 8:49 PM EDT