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Active clinical trials for "Depressive Disorder, Major"

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Treatment of Patients With Major Depressive Disorder With MK0869 (0869-060)(COMPLETED)

Major Depressive Disorder

A clinical study to determine the efficacy and safety of an investigational medication (MK0869) in the treatment of depression.

Completed1 enrollment criteria

A Study of the Effectiveness and Safety of Risperidone to Augment SSRI Therapy in Patients With...

Depressive DisorderDepressive Disorder2 more

The purpose of this study is to evaluate the effectiveness and safety of risperidone to augment SSRI therapy in patients with treatment-resistant depression and to demonstrate the long-term maintenance effect of risperidone as augmentation therapy compared with placebo augmentation in these patients.

Completed8 enrollment criteria

Omega-3 Fatty Acids in the Treatment of Bipolar Disorder: A Double-Blind, Placebo-Controlled Trial...

Bipolar DisorderInvolutional Depression1 more

This study will examine the effectiveness of omega-3 fatty acids, compounds found in plants and fish, in treating bipolar disorder. Some studies have indicated that omega-3 fatty acids may be effective in treating mood disorders. For example, one investigator has shown a correlation between the prevalence of major depression and the amount of fish consumed per capita worldwide. Others have found decreased amounts of EPA (one of the active ingredients in omega-3 fatty acids) in the red blood cells of patients with major depression. And a recent small study of patients with bipolar illness indicated that omega-3 fatty acids prevented relapses, especially of depression, in patients. Patients with bipolar disorder who are not benefiting satisfactorily on their current medications are eligible to participate in this study. Candidates will be screened with a psychiatric evaluation, routine blood tests, a urine test and other tests needed to monitor medications. Participants will be randomly assigned to one of two groups: one group will receive 6 grams of omega-3 fatty acid every day for 16 weeks; the second will receive a placebo (inactive capsule). In addition, patients in both groups will continue to take their previous medications. Every 2 weeks, all patients will have their vital signs checked and be evaluated for side effects and mood changes. At the end of the 16-week study period, all patients will be given the opportunity to continue in the study for another 8 months and receive active drug (omega-3 fatty acid). Patients who continue will be evaluated once a month and will have blood drawn on the last visit for routine tests.

Completed9 enrollment criteria

D-Cycloserine+iTBS PK Study

Major Depressive Disorder

Background & Rationale: Major Depressive Disorder (MDD) is a common and debilitating illness that that commonly does not respond to conventional treatments. Transcranial magnetic stimulation (TMS) and intermittent theta-burst stimulation (iTBS) are non-invasive neurostimulation treatments for depression that are Health Canada approved. These work by generating magnetic fields outside of the body to change the activity of brain cells to change how the brain works. They have a very favorable profile, with many patients experiencing improvement with minimal side effects. The investigators recently completed a study pairing iTBS with an FDA approved medication that was chosen because it might enhance iTBS improvements. This medication is called D-cycloserine, an old antibiotic that is rarely used in modern times. Years after it stopped being useful as an antibiotic, scientists recognized other properties that the molecule has, and it is some of these that make it interesting to pair with iTBS. When the investigators did so, they found that compared to iTBS with a placebo, participants who received iTBS+D-cycloserine were more likely to benefit from treatment. In this original study, all participants received a fixed dose of 100mg daily. This means that people of very different sizes could have had different drug levels, and the investigators do not know how that impacted outcomes. With this study, there will be no placebo condition because the purpose is to understand whether dosing according to weight matters. Research Question and Objectives: To describe the pharmacokinetic profile of 100mg oral D-cycloserine and weight-based oral D-cycloserine dosed 25mg/17.5kg among individuals with depression undergoing non-invasive intermittent theta-burst stimulation to the left dorsolateral prefrontal cortex (DLPFC) in Major Depressive Disorder.

Completed27 enrollment criteria

Exercise Recovery From Persistent Depression: A Thematic Analysis

Major Depressive DisorderDepression Moderate1 more

Depression is a leading cause of disability worldwide and poses a large economic burden in the UK. There is evidence that exercise is beneficial in the management of depression and NICE now recommends group exercise programs as a treatment for people with mild and moderate-severe depression. Research shows that patients with severe depression are less likely to engage in exercise than patients with mild to moderate depression. There is little evidence, however, on the barriers and drivers to participation in such programs experienced by patients with depression; leading to uncertainty in the most effective way to implement these programs. We aim to analyse accounts of patients who have been referred to or participated in the Exercise Recovery Group (ERG), a group exercise program at the Nottingham Specialist Depression Service (NSDS). The NSDS is a tertiary unit where referred patients have suffered moderate-severe, persistent clinical depression. Eligible participants will be patients with persistent major depression who have agreed to referral to the ERG at the NSDS and who are able to provide informed consent. Participants will undergo a one-off 60 minute meeting via MS Teams, including an in-depth semi-structured interview on their experience as well as self-completion questionnaires assessing demographics, depression, anxiety and shame. Transcripts of the interviews will be subject to qualitative thematic analysis addressing questions on barriers and drivers of exercise treatment in depression; and the perceived impact of an exercise group on the individual participating. Themes will be developed to give an account of these questions, supported by anonymised quotes from the transcripts. The questionnaire data (on demographics, depression, anxiety, shame) will be used to characterise the group, in order to help assess directness of the evidence provided for other clinical populations; ultimately helping clinicians to implement exercise groups for depression that are acceptable for patients.

Not yet recruiting7 enrollment criteria

Prediction and Validation of Unipolar Depression With Psychosocial-somatic Markers in a Naturalistic...

Depressive DisorderDepression3 more

The POKAL-PSY project is a study that monitors participants for five years. The goal of the study is to identify distinguishable subtypes of depression on the basis of biomarkers and to gain insight into their prognostic significance.

Not yet recruiting10 enrollment criteria

Prospective Clinical Cohort Study of Depression

Major Depressive Disorder

This is a prospective clinical cohort study of depression. The study was intended to include 300 patients with depression and 100 healthy controls. The study consisted of two phases: the baseline period and the follow-up period, in which all subjects were comprehensively collected, and the follow-up period in which all subjects were followed up at least once a year and data were collected. For patients with major depressive disorder, the follow-up methods included fixed visit and planned visit, and the follow-up time point covered the whole course of depressive disease(baseline, 2nd weekend±7days, 6th weekend±14days, 8th weekend±14days, 12th weekend±14days, Week 14-104 Every 4 weekends ± 14 days). Based on standardized, multi-strategy follow-up system and mobile health technology, long-term follow-up of patients with major depressive disorder was realized, and key nodes of patients' disease fluctuations were captured in time. High quality multidimensional data were collected, including demographic, clinical, EEG and eye movement data. Finally, the objective index system of depression was constructed, and the diagnosis, efficacy/recurrence prediction and suicide warning models of depression were established.

Not yet recruiting13 enrollment criteria

Therapist-Guided Smartphone-Delivered CBT for MDD

Major Depressive Disorder

We are testing a smartphone app that provides therapy for depression. Participants will also receive short weekly virtual appointments with a therapist. Researchers want to know if this new treatment is usable, whether participants are satisfied with it, and whether it can help lower symptoms.

Completed12 enrollment criteria

Single Dose Oral Bioequivalence Study of Vortioxetine Hemihydrobromide Orally Disintegrating Tablets...

Major Depressive Disorder (MDD)

An open label, randomized, three-period, three-treatment [Treatment A (test product administered without water), Treatment B (test product administered with water) and Treatment C (Reference product administered with water)], six-sequence, crossover, balanced, single dose oral bioequivalence study.

Completed43 enrollment criteria

Pilot Decentralized Trial

Major Depressive Disorder

The purpose of this study is to collect biologically-based data for defining predictors and correlates of the effects of ALTO-100.

Completed11 enrollment criteria
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