Glutamatergic Adaptation to Stress as a Mechanism for Anhedonia and Treatment Response With Ketamine
Recruiting
The main purpose of this study is to investigate the effects of ketamine on decision-making and emotion processing in a sample of individuals diagnosed with Major Depressive Disorder (MDD).
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
04/18/2025
Locations: Emory University, Atlanta, Georgia
Conditions: Major Depressive Disorder
54135419SUI3002: A Study to Evaluate the Efficacy and Safety of Intranasal Esketamine in Addition to Comprehensive Standard of Care for the Rapid Reduction of the Symptoms of Major Depressive Disorder, Including Suicidal Ideation, in Adult Participants Assessed to be at Imminent Risk for Suicide
Completed
The purpose of this study is to evaluate the efficacy of intranasal esketamine 84 milligram (mg) compared with intranasal placebo in addition to comprehensive standard of care in reducing the symptoms of Major Depressive Disorder (MDD), including suicidal ideation, in participants who are assessed to be at imminent risk for suicide, as measured by the change from baseline on the Montgomery-Asberg Depression Rating Scale (MADRS) total score at 24 hours post first dose.
Gender:
ALL
Ages:
Between 18 years and 64 years
Trial Updated:
03/29/2025
Locations: Atlanta Behavioral Research, LLC, Atlanta, Georgia
Conditions: Depressive Disorder, Major
A Study of Ketamine in Patients With Treatment-resistant Depression
Completed
The purpose of this study is to explore the optimal dose frequency of ketamine in patients with treatment-resistant depression (TRD).
Gender:
ALL
Ages:
Between 18 years and 64 years
Trial Updated:
03/29/2025
Locations: Not set, Atlanta, Georgia
Conditions: Major Depressive Disorder
Study to Evaluate the Efficacy and Safety of 3 Fixed Doses of Intranasal Esketamine in Addition to Comprehensive Standard of Care for the Rapid Reduction of the Symptoms of Major Depressive Disorder, Including Suicidal Ideation, in Pediatric Participants Assessed to be at Imminent Risk for Suicide
Completed
The purpose of this study is to assess the efficacy of a single (first) dose of 3 fixed doses of intranasal esketamine {28 milligram (mg), 56 mg, and 84 mg} compared with psychoactive placebo (oral midazolam) in rapidly reducing the symptoms of major depressive disorder (MDD) including suicidal ideation in participants 12 to less than 18 years of age who are assessed to be at imminent risk for suicide.
Gender:
ALL
Ages:
Between 9 years and 17 years
Trial Updated:
03/29/2025
Locations: Atlanta Behavioral Research, LLC, Atlanta, Georgia
Conditions: Depressive Disorder, Major
A Study to Evaluate the Safety and Efficacy of Intranasal Esketamine in Treatment-resistant Depression
Completed
The purpose of this study is to assess the efficacy and dose response of intranasal esketamine (Panel A: 28 mg, 56 mg, and 84 mg and Panel B: 14 mg and 56 mg) compared with placebo in improving depressive symptoms in participants with treatment-resistant depression (TRD).
Gender:
ALL
Ages:
Between 20 years and 64 years
Trial Updated:
03/29/2025
Locations: Not set, Atlanta, Georgia
Conditions: Treatment Resistant Depressive Disorder
A Double-blind Study to Assess the Efficacy and Safety of Intranasal Esketamine for the Rapid Reduction of the Symptoms of Major Depressive Disorder, Including Suicidal Ideation, in Participants Who Are Assessed to be at Imminent Risk for Suicide
Completed
The purpose of this study is to evaluate the efficacy of intranasal esketamine 84 milligram (mg) compared with intranasal placebo along with standard care treatment, in reducing the symptoms of major depressive disorder (MDD) (an affective disorder manifested by either a dysphoric mood or loss of interest or pleasure in usual activities, the mood disturbance is prominent and relatively persistent), including the risk for suicide as assessed by the Investigator, in participants who will be assess... Read More
Gender:
ALL
Ages:
Between 18 years and 64 years
Trial Updated:
03/29/2025
Locations: Not set, Atlanta, Georgia
Conditions: Major Depressive Disorder
A Study to Evaluate the Efficacy, Pharmacokinetics, Safety and Tolerability of Flexible Doses of Intranasal Esketamine Plus an Oral Antidepressant in Adult Participants With Treatment-resistant Depression
Completed
The purpose of this study is to evaluate the efficacy of switching adult participants with treatment-resistant depression (TRD) from a prior antidepressant treatment (to which they have not responded) to flexibly dosed intranasal esketamine (56 milligram \[mg\] or 84 mg) plus a newly initiated oral antidepressant compared with switching to a newly initiated oral antidepressant (active comparator) plus intranasal placebo, in improving depressive symptoms. Efficacy will be assessed by the change f... Read More
Gender:
ALL
Ages:
Between 18 years and 64 years
Trial Updated:
03/29/2025
Locations: Atlanta Center for Medical Research, Atlanta, Georgia
Conditions: Depressive Disorder, Treatment-Resistant
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
Completed
The purpose of this study is to compare the efficacy and safety of switching treatment-resistant depression (TRD) subjects from a prior antidepressant treatment (to which they have not responded) to either intranasal esketamine plus a new oral antidepressant or switching to a new oral antidepressant plus intranasal placebo.
Gender:
ALL
Ages:
Between 18 years and 64 years
Trial Updated:
03/29/2025
Locations: Not set, Atlanta, Georgia
Conditions: Treatment-resistant Depression
A Study to Evaluate the Efficacy, Safety, and Tolerability of Intranasal Esketamine Plus an Oral Antidepressant in Elderly Participants With Treatment-resistant Depression
Completed
The purpose of this study is to evaluate the efficacy and safety of switching elderly participants with treatment-resistant depression (TRD) from a prior antidepressant treatment (to which they have not responded) to either intranasal esketamine plus a new oral antidepressant or switching to a new oral antidepressant plus intranasal placebo.
Gender:
ALL
Ages:
65 years and above
Trial Updated:
03/29/2025
Locations: Not set, Marietta, Georgia
Conditions: Depressive Disorder, Treatment-Resistant
A Study of Intranasal Esketamine Plus an Oral Antidepressant for Relapse Prevention in Adult Participants With Treatment-resistant Depression
Completed
The purpose of this study is to assess the efficacy of intranasal esketamine plus an oral antidepressant compared with an oral antidepressant (active comparator) plus intranasal placebo in delaying relapse of depressive symptoms in participants with treatment-resistant depression (TRD) who are in stable remission after an induction and optimization course of intranasal esketamine plus an oral antidepressant.
Gender:
ALL
Ages:
Between 18 years and 64 years
Trial Updated:
03/29/2025
Locations: Not set, Atlanta, Georgia
Conditions: Depressive Disorder, Treatment-Resistant
A Long-term, Safety and Efficacy Study of Intranasal Esketamine in Treatment-resistant Depression
Completed
The purpose of this open-label, multicenter study is to assess the long term safety and efficacy of intranasal esketamine plus an oral antidepressant in participants with treatment-resistant depression (TRD).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
03/29/2025
Locations: Not set, Marietta, Georgia
Conditions: Treatment-resistant Depression
A Long-term Safety Study of Esketamine Nasal Spray in Treatment-resistant Depression
Completed
The purpose of this study is to assess the safety and tolerability of esketamine nasal spray in participants with treatment-resistant depression (TRD).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
03/29/2025
Locations: Not set, Atlanta, Georgia
Conditions: Depressive Disorder, Treatment-Resistant