Found 1,281 clinical trials
Mechanism of Action Underlying Ketamine's Antidepressant Effects: The AMPA Throughput Theory in Patients With Treatment-Resistant Major Depression
Background Most drugs that treat mood disorders take a long time to work. Ketamine works within hours. A dose can last for a week or more. Certain receptors in the brain might help ketamine work. A drug that blocks these receptors might affect how it works. Objective To see if …
Mood Effects of Serotonin Agonists: Depression
This study will examine the effect of a low dose of the 5HT2A agonist LSD (26 µg), compared to placebo, on acute and protracted mood states in individuals with depression. The investigators will assess the relationship between mood-related symptoms and EEG as a neurophysiological marker.
A Pilot Study of Synbiotics in Adults With Depressive Symptoms
This study aims to explore the efficacy and safety of a synbiotic formula (MQU10) in improving mood and well-being in adults with mild to moderate depressive symptoms.
A Study to Explore the Effect of SP-624 on Brain Network Analytics in Healthy Adults and Adults With Major Depression
The main goal of this clinical trial is to learn if the active study drug (code name: SP-624) has any effect on the electrical activity of the brain in adult healthy volunteers and in adults with major depression. Another goal of the study is to learn if SP-624 improves memory …
NMDA Modulation in Antidepressant Nonresponders With Major Depressive Disorder
Most of the current antidepressants for major depressive disorder (MDD) are based upon the monoamine hypothesis which cannot fully explain the etiology of depression. NMDA hypofunction has been implicated in the pathophysiology of depression. This study aims to examine the efficacy and safety of an NMDA enhancer (NMDAE) in the …
Neural Response to Inflammatory Challenge in Major Depressive Disorder
This is a parallel group, double-blinded, placebo-controlled study. Participants with MDD (n=90) and HC (n=90) will be randomly assigned (2:1) to receive either lipopolysaccharide (LPS) (0.8ng/kg of body weight) or placebo (same volume of 0.9% saline) administered as an intravenous bolus. This will yield the following groups: MDD-LPS (n=60), MDD-Placebo …
Personalized Indications for CBT and Antidepressants in Treating Depression
Depression currently affects close to 2 million Canadians and is the leading cause of disability worldwide. Pharmacological treatments (antidepressant medication) and psychological treatments such as cognitive-behavioural therapy are available for depression, but the majority of those who receive treatment have an unsatisfactory response. On average, the combination of pharmacological and …
Imagery Rescripting as Treatment for Depression
The goal of this multiple baseline case series study is to test Imagery Rescripting in depression. The main question[s] it aims to answer are: does Imagery Rescripting lead to a reduction of depression and of believability of negative beliefs held by the participants? does Imagery Rescripting also leads to reductions …
Neuropharmacologic Imaging and Biomarker Assessments of Response to Acute and Repeated-Dosed Ketamine Infusions in Major Depressive Disorder
Background Most medications that treat depression take weeks or months to work. Researchers want to develop fast-acting treatments. One dose of ketamine has a rapid antidepressant effect. For most people, this lasts a week or less. Repeated doses of ketamine may help maintain this effect. Objective Main Study: To study …
Digital Mood-enhanced CBT-I to Improve Depressive Symptoms in Adolescents
Emerging encouraging evidence showed that sleep focused treatment can simultaneously improve sleep and depression in adult with comorbid conditions. Although these favorable changes in depressed adults is encouraging, little is known in the potential efficacy of CBT-I in altering depression trajectory in adolescent population. This current study aims to compare …
