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Clinical trial condition

Major Depressive Disorder

Explore clinical trials studying Major Depressive Disorder. Study availability and eligibility vary by location and protocol.

1,339 public trials 169 recruiting studies
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Major Depressive Disorder trial results

Completed

Safety & Efficacy Study of Quetiapine Fumarate (SEROQUEL®) vs. Placebo and Active Control in Major Depressive Disorder

NCT00321490

Conditions
Behavior, Behavioral Symptoms, Depression, +5 more
Locations
  • Research Site Birmingham, Alabama, United States
  • Research Site Scottsdale, Arizona, United States
  • Research Site Beverly Hills, California, United States
  • Research Site San Diego, California, United States
View all 34 locations
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Completed

Efficacy and Safety of Quetiapine Fumarate Sustained Release (SEROQUEL SR) in Combination With an Antidepressant in the Treatment of Major Depressive Disorders

NCT00326105

Conditions
Behavior, Behavioral Symptoms, Depression, +5 more
Locations
  • Research Site Phoenix, Arizona, United States
  • Research Site El Centro, California, United States
  • Research Site Irvine, California, United States
  • Research Site Oceanside, California, United States
View all 56 locations
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Completed

Efficacy and Safety of Quetiapine Fumarate Sustained Release (SEROQUEL SR) in the Treatment of Major Depressive Disorders

NCT00326144

Conditions
Behavior, Behavioral Symptoms, Depression, +5 more
Locations
  • Research Site Phoenix, Arizona, United States
  • Research Site Little Rock, Arkansas, United States
  • Research Site Anaheim, California, United States
  • Research Site El Centro, California, United States
View all 34 locations
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Completed

Safety & Efficacy Study of Quetiapine Fumarate (SEROQUEL®) vs. Placebo in Major Depressive Disorder

NCT00320268

Conditions
Behavior, Behavioral Symptoms, Depression, +5 more
Locations
  • Research Site Little Rock, Arkansas, United States
  • Research Site Newport Beach, California, United States
  • Research Site Northridge, California, United States
  • Research Site Oceanside, California, United States
View all 37 locations
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Completed

Quetiapine Fumarate as Monotherapy in the Maintenance Treatment of Patients With Major Depressive Disorder

NCT00278941

Conditions
Depressive Disorder, Depressive Disorder, Major, Major Depressive Disorder, +2 more
Locations
  • Research Site Birmingham, Alabama, United States
  • Research Site Tuscaloosa, Alabama, United States
  • Research Site Mesa, Arizona, United States
  • Research Site Peoria, Arizona, United States
View all 168 locations
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