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Major Depressive Disorder clinical trials

View clinical trials related to Major Depressive Disorder.

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NCT ID: NCT00406848 Completed - Clinical trials for Major Depressive Disorder

A Study Comparing the Efficacy and Safety of Duloxetine and Placebo for the Treatment of Depression in Elderly Patients

Start date: November 2006
Phase: Phase 4
Study type: Interventional

The purpose of this study is to compare the efficacy and safety of duloxetine 60 mg once daily to placebo on depression in elderly patients (greater than or equal to 65 years of age). Patients who do not respond in the first 13 weeks will be eligible for rescue using pre-defined criteria. Patients randomized to duloxetine 60 mg/day meeting the rescue criteria will be increased to 120 mg/day. Patients randomized to the placebo arm meeting the rescue criteria will be assigned to duloxetine 60 mg/day.

NCT ID: NCT00404755 Completed - Clinical trials for Major Depressive Disorder

Dichotic Listening as a Predictor of Medication Response in Depression

Start date: July 2006
Phase: Phase 4
Study type: Interventional

This study will recruit 100 depressed patients to test whether the previous finding of an association between treatment response (with treatment groups including placebo, imipramine, and fluoxetine) and preferences of hemispheric laterality in perceptual processing are also found with a different type of commonly used anti-depressant, bupropion.

NCT ID: NCT00402220 Completed - Clinical trials for Major Depressive Disorder

A Double-blind Sham Controlled Trial of rTMS in Treatment Resistant Major Depression

Start date: March 2007
Phase: N/A
Study type: Interventional

The main treatment option for Treatment Resistant Depression is electroconvulsive therapy (ECT) which is often effective but complicated by cognitive side effects, need for anaesthesia and considerable stigma. In recent years considerable efforts have been made to increase public awareness about depression and increase access to services. However, the increasing number of patients accessing treatment for depression in clinical services is also likely to be accompanied by a sizeable increase in the number of patients with TRD. Despite the demand, relatively few treatment options are available to such patients. One of the only substantially new treatments developed for TRD in recent years has been the advent of repetitive transcranial magnetic stimulation (rTMS). Repetitive TMS has been evaluated in over 20 trials conducted over the last 10 years. Previous research indicates that rTMS has antidepressant activity; however, the proportion of patients who respond to rTMS and the degree of treatment response demonstrated in trials to date is limited. The limitations of these studies include relatively small samples and limited duration of treatment (i.e., 2 weeks) as well as a lack of long term follow-up. As rTMS is gradually entering use in routine clinical practice (for example, recent regulation of its use in Canada), research is urgently required to establish ways to enhance treatment response both in regards to the extent of response within individuals and the proportion of individuals in whom rTMS has effects. Stimulation site is another important treatment factor; thus far almost all of the trials of rTMS in TRD conducted have evaluated the utility of high frequency left prefrontal cortex (PFC) rTMS (HFL-TMS). In addition, several studies have evaluated the treatment efficacy of low frequency rTMS to right PFC (LFR-TMS). In a previously published study we have demonstrated that these two approaches have similar therapeutic benefit and both were superior to sham stimulation. A promising new approach to enhance efficacy involves combining LFR-TMS and HFL-TMS in a sequential manner. We describe this as sequential bilateral rTMS (SB-rTMS). We have recently published the results of the first substantial evaluation of SB-rTMS showing not only a superiority to placebo in TRD but also a therapeutic response that is substantially superior to response rates in most of the published studies of unilateral rTMS (>50% of patients achieving standard criteria for clinical response compared to usually <30% in most studies). In this proposed research study, we will directly test the hypothesis that SB-rTMS produces a greater therapeutic response than HFL-TMS and compare both of these forms of stimulation to placebo (i.e., sham) stimulation.

NCT ID: NCT00388973 Completed - Clinical trials for Major Depressive Disorder

Efficacy and Safety Study of Seroquel SR in the Treatment of Major Depressive Disorder

Start date: September 2006
Phase: Phase 3
Study type: Interventional

The primary purpose of this study is to evaluate whether treatment with (SEROQUEL SR) quetiapine fumarate sustained release (SR) for 9 weeks compared to placebo will improve depressive symptoms in elderly patients with major depressive disorder. PLEASE NOTE: Seroquel SR and Seroquel XR refer to the same formulation. The SR designation was changed to XR after consultation with FDA.

NCT ID: NCT00385307 Completed - Clinical trials for Major Depressive Disorder

Efficacy and Safety of SR58611A in Patients With Major Depressive Disorder (SIRIUS)

Start date: September 2006
Phase: Phase 3
Study type: Interventional

To evaluate the efficacy of two fixed doses of SR58611A (175 mg q12 and 350 mg q12) compared to placebo in patients with Major Depressive Disorder (MDD) using paroxetine (20 mg qd) as positive control. In addition, the tolerability and safety of SR58611A in patients with MDD will be evaluated.

NCT ID: NCT00384436 Completed - Clinical trials for Major Depressive Disorder

Fixed Dose Comparison of Escitalopram to an Active Comparator in Severely Depressed Patients

Start date: October 2006
Phase: Phase 4
Study type: Interventional

The purpose of this study is to evaluate the safety and efficacy of escitalopram to an active comparator in severely depressed patients

NCT ID: NCT00377299 Completed - Clinical trials for Major Depressive Disorder

A Pilot Study of Citicoline add-on Therapy in Patients With Bipolar Disorder or Major Depressive Disorder and Amphetamine Abuse or Dependence

Start date: October 2006
Phase: N/A
Study type: Interventional

Bipolar disorder (BD) is a common and severe psychiatric illness. Drug and alcohol abuse are very common in people with BD and other mood disorders and are associated with increased rates of hospitalization, violence towards self and others, medication non-adherence and cognitive impairment. However, few studies have investigated the treatment of dual-diagnosis patients as substance use is frequently an exclusion criterion in clinical trials of patients with BD. To address this need, we have developed a research program that explores the pharmacotherapy of people with BD and substance related-disorders. A potentially very interesting treatment for BD is citicoline. Some data suggest that this supplement may stabilize mood, decrease drug use and craving, and improve memory. We found promising results with citicoline in patients with BD and cocaine dependence. In recent years the use of amphetamine and methamphetamine has become an important public health concern. However, virtually no research has been conducted on the treatment of amphetamine abuse. We propose a double-blind placebo controlled prospective trial of citicoline in a group of 60 depressed outpatients with bipolar disorder, depressed phase or major depressive disorder and amphetamine abuse/dependence, to explore the safety and tolerability of citicoline, and its efficacy for mood symptoms, stimulant use and craving and its impact on cognition. Our goal is to determine which symptoms (e.g. mood, cognition, substance use) citicoline appears to be most effective and estimate effect sizes for future work.

NCT ID: NCT00373477 Completed - Clinical trials for Major Depressive Disorder

A Study of the Cost Effectiveness of Generalist Care Managers for Depression Treatment in Medicaid Recipients

Start date: July 2003
Phase: N/A
Study type: Interventional

This project will enable the investigators to conduct a randomized clinical trial to demonstrate the value of generalist care managers in the treatment of depression in Medicaid patients seen in primary health care practices. Depressed patients will be recruited at two primary care practices in Western North Carolina and randomly assigned to either generalist care management or usual care. Patients in each condition will be assessed at baseline and six months follow-up. Outcomes will include depressive symptoms, level of functioning, and cost-effectiveness measures.

NCT ID: NCT00369798 Completed - Healthy Clinical Trials

Antidepressant Effects on cAMP Specific Phosphodiesterase (PDE4) in Depressed Patients

Start date: August 2, 2006
Phase: Phase 1
Study type: Interventional

The primary purpose of this protocol is to compare PDE4 levels before and after starting a selective serotonin reuptake inhibitor (SSRI) sertraline, citalopram or escitalopram in unmedicated depressed patients. The secondary purpose is to compare PDE4 levels between unmedicated depressed patients and healthy subjects.

NCT ID: NCT00369746 Completed - Clinical trials for Major Depressive Disorder

STAR*D Alcohol: Treatment of Depression Concurrent With Alcohol Abuse

Start date: September 2006
Phase: Phase 4
Study type: Observational

The purpose of this study is to determine if having an alcohol use disorder affects recovery from depression, and also whether recovery from depression in patients who have alcohol use disorders is also accompanied by improvement in the alcohol use disorder.