Clinical trials: Depressive Disorder, Treatment-Resistant
Major Depressive Disorder, Treatment Resistant Depression
Antidepressant Effects of Nitrous Oxide
To evaluate the acute and sustained antidepressant effects of nitrous oxide in people with major depressive disorder; and further evaluate these effects by identifying the optimal dose and regimen to guide current practice, and…
- Trial name
- NCT05357040
- Testing
- Nitrous oxide gas for inhalation
- Where
- 2 sites in United States, Australia
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Chicago
Depression
Intravenous Ketamine Effects on Functional Neuroanatomy
The purpose of this study is to investigate the neuroanatomical effects of ketamine treatment on patients with treatment-resistant depression.
- Trial name
- NCT04205890
- Testing
- Ketamine
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Neurological Associates of West Los Angeles
Major Depressive Disorder
Dopaminergic Effects of Adjunctive Aripiprazole on the Brain in Treatment-Resistant Depression
Aripiprazole has been approved by the FDA for augmenting ineffective/partially effective oral antidepressant therapy in patients suffering from major depression. The mechanism by which this augmentation is achieved is not known.
- Trial name
- NCT00953745
- Testing
- Escitalopram, Aripiprazole
- Where
- United States
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Major Depressive Disorder
Placebo-controlled Trial of 5-hydroxytryptophan and Creatine for SSRI or SNRI Augmentation in Treatment Resistant Depression in Females
The investigators propose to determine if 8 weeks of dietary augmentation with oral 5g creatine monohydrate daily and 100 mg of 5-hydroxytryptophan (5-HTP) twice daily reduces hypoxia-related depressive symptoms measured by the…
- Trial name
- NCT02922725
- Testing
- 5-hydroxytryptophan and Creatine
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Brent Michael Kious, MD, PhD
Major Depression
Treatment-Resistant Depression, Hippocampus Atrophy and Serotonin Genetic Polymorphism
Reduction of volume of the hippocampus has been associated with major depression in many studies. It has been suggested that antidepressants may protect against hippocampus volume loss in humans associated with multiple episodes…
- Trial name
- NCT00704860
- Testing
- Open label pharmacotherapy
- Where
- Canada
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Psychiatric Disorder, Major Depressive Disorder
Exploring Blood Plasma Metabolomics: Unraveling the Metabolic Landscape in Treatment-Resistant Adolescent Depression
This study contributes new evidence for the identification of adolescent TRD and sheds light on differing pathophysiologies by delineating distinct plasma metabolic profiles between adolescent TRD and FEDN-MDD.
- Conditions
- Psychiatric Disorder, Major Depressive Disorder, Metabolic Disorder
- Trial name
- NCT06331572
- Testing
- 17-HAMD
- Where
- China
- Volunteers
- 162 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital of Chongqing Medical University
Major Depressive Disorder
Treatment Resistant Geriatric Depression in Primary Care
This study involves collaboration between McLean Hospital, Geriatric Medicine at the Cambridge Health Alliance (CHA) and other sites within the Partners and Harvard Medical School network.
- Trial name
- NCT01392287
- Testing
- Memantine
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Mclean Hospital
Major Depressive Disorder (MDD)
The Effect of Transcranial Magnetic Stimulation Treatment on Microvasculature Stracture of the Retina and the Choroid
Transcranial Magnetic Stimulation (TMS) therapy is an approved and effective treatment option in treatment-resistant depression.
- Trial name
- TMS_OCT-A (NCT06708013)
- Testing
- Transcranial Magnetic Stimulation
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Gulhane Training and Research Hospital
Depression
Low Dose Ketamine Infusion for the Treatment of Resistant Depression
The purpose of this investigator-initiated observational study is to examine how low Ketamine infusion treatments impact antidepressant and anti-suicidal effects for refractory and non-refractory depression.
- Trial name
- NCT04283058
- Testing
- Ketamine
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Loma Linda University
Depression, Sleep Apnea, Obstructive
Treatment Resistant Depression and Obstructive Sleep Apnea, Effect of Continuous Positive Airway Pressure (CPAP)
The purpose of the study is to determine the effect on mood and anxiety symptoms of adding CPAP to the psychiatric treatment of patients with TRD (treatment resistant depression) and associated OSA (obstructive sleep apnea).
- Trial name
- NCT00441636
- Testing
- continuous positive airway pressure (CPAP)
- Where
- Canada
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Queen's University
Treatment-Resistant Major Depressive Disorder
Triple-Blind Randomized Clinical Trial of Tocilizumab vs Placebo: Potential Use of an IL-6 Antagonist as an Adjuvant to Standard Treatment for Treatment-Resistant Major Depression in the Brazilian Public Health System (SUS)
Clinical trial aimed at evaluating whether a single infusion of tocilizumab, a medication that blocks the action of an inflammatory molecule called interleukin-6 (IL-6), can reduce symptoms of treatment-resistant major depression…
- Trial name
- NCT07052058
- Testing
- Tocilizumab, Normal Saline (0.9% NaCl)
- Where
- Brazil
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Hospital de Clinicas de Porto Alegre
Depression, Major Depressive Disorder
Reward Emotion Learning and Ketamine Study
Ketamine's efficacy as an antidepressant is now well established yet the mechanisms underlying its antidepressant effect are yet to be fully described.
- Conditions
- Depression, Major Depressive Disorder, Treatment Resistant Depression
- Trial name
- RELAKS (NCT04850911)
- Testing
- Ketamine Hydrochloride
- Where
- United Kingdom
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Depressive Disorder, Treatment-Resistant
Brain Connectivity and Inflammatory Markers During Short-Term Psychotherapy for Treatment-Resistant Depression
Some adults continue to experience depression despite treatment with antidepressant medicines. This study aimed to explore relationships between depression symptoms, brain function, and blood markers of inflammation, and changes…
- Trial name
- NCT07847242
- Testing
- Short-Term Dynamic Psychotherapy, Mindfulness-Based Cognitive Therapy
- Where
- South Korea
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Korea University Ansan Hospital
Major Depression Moderate, Major Depression Severe
EEG Microstate Parameters and Neuroinflammatory Biomarkers in Patients With Treatment-Resistant Major Depressive Disorder Receiving ECT
This study aims to investigate the neurophysiological and inflammatory changes associated with electroconvulsive therapy (ECT) in patients diagnosed with Major Depressive Disorder who are resistant to at least two antidepressant…
- Conditions
- Major Depression Moderate, Major Depression Severe, Major Depression With Comorbid Anxiety Symptoms, Major Depression With Panic Attacks
- Trial name
- NCT07748091
- Testing
- Electroconvulsive Therapy
- Where
- Turkey (Türkiye)
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Istanbul University - Cerrahpasa
Major Depression
Effects of ECT on Monoamine Oxidase A in Depression Investigated With PET
This study aims at evaluating the effect of electroconvulsive therapy in treatment-resistant depressed patients on the major serotonin degrading enzyme in the human brain using neuroimaging methods, the monoamine oxidase A.
- Trial name
- NCT02379767
- Testing
- Electroconvulsive therapy, Positron emission tomography of the brain using [11C]harmine, Structural magnetic resonance imaging
- Where
- Austria
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Depressive Disorder
Psilocybe Cubensis Mushrooms With or Without Fluoxetine for Refractory Depression
This Phase 2a pilot, exploratory, randomized, double-blind, placebo-controlled, parallel-group trial will estimate whether concurrent fluoxetine alters the antidepressant effect, acute psychedelic experience, or safety of a…
- Trial name
- COGUNILA (NCT06898606)
- Testing
- Psilocybin and Psilocyn, Psychotherapy-assisted session, Fluoxetine
- Where
- Brazil
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Federal University of Latin American Integration
Major Depressive Disorders
The Effects of Transcranial Magnetic Stimulation on Retina and Choroidal Structures
Transcranial Magnetic Stimulation (TMS) therapy is an approved and effective treatment option in treatment-resistant depression.
- Trial name
- TMSEYE (NCT06615804)
- Testing
- Transcranial Magnetic Stimulation
- Where
- Turkey (Türkiye)
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Gulhane Training and Research Hospital
Depressive Disorder, Treatment-Resistant, Stress Disorders, Post-Traumatic
Ketamine Infusions for PTSD and Treatment-Resistant Depression
The relationship between depression and trauma is well established. Co-occuring depression and post-traumatic stress disorder (PTSD) are associated with more severe symptoms and lower levels of functioning.
- Trial name
- NCT02577250
- Testing
- Ketamine
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Minneapolis Veterans Affairs Medical Center
Treatment Resistant Depression, Depression - Major Depressive Disorder
Characterizing Synaptic Density in Treatment Resistant Depression
The purpose of this study is to better understand how certain brain systems work in people with depression, especially in those whose symptoms have not improved with antidepressant treatments.
- Trial name
- TPET (NCT03537794)
- Testing
- PET scans
- Where
- Canada
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Unity Health Toronto
Major Depressive Disorder
Creatine Augmentation for Adolescent Females With Treatment-Resistant Major Depressive Disorder
The primary hypothesis is that compared to placebo, 10g of daily creatine monohydrate for eight weeks will be associated with significant increases in frontal lobe phosphocreatine and beta-nucleoside triphosphate (β-NTP)…
- Trial name
- NCT02134808
- Testing
- Creatine
- Where
- United States
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- Perry Renshaw