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Depressive Disorder, Major clinical trials

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NCT ID: NCT00360256 Completed - Clinical trials for Major Depressive Disorder

Genetic Study of Liver Enzymes in Patients With Side Effects From Antidepressants

Start date: June 2006
Phase: Phase 3
Study type: Observational

The objective of this pilot study is to determine the genetic polymorphism rate of CYP450 2D6 and 2C19 metabolic enzymes in patients with significant adverse effects from antidepressants, compared to a population of patients who had no significant adverse effects from antidepressants metabolized by CYP2D6 and 2C19. The hypothesis for the proposed research is that the rate of 2D6 and 2C19 alleles that are associated with poor metabolizer status in the treatment-intolerant population will far exceed the rate found in patient population who takes antidepressants without adverse effects.

NCT ID: NCT00358631 Completed - Depressive Disorder Clinical Trials

An Eight-Week Study Evaluating the Efficacy and Tolerability of Two Doses of SSR149415 in Outpatients With Major Depressive Disorder

Start date: July 2006
Phase: Phase 2
Study type: Interventional

The objective is to evaluate the efficacy and safety of two doses of SSR149415 (250 mg and 100 mg twice daily) compared to placebo and escitalopram 10 mg once daily in outpatients with major depressive disorder.

NCT ID: NCT00357045 Completed - Major Depression Clinical Trials

Antidepressant Prophylaxis for Interferon-Induced Depression: Efficacy of Paroxetine

Start date: n/a
Phase: Phase 4
Study type: Interventional

Objectives: 1. To determine whether paroxetine can prevent major depression in patients with hepatitis C (HCV) who are receiving pegylated-interferon (Peg-IFN). 2. To determine whether paroxetine can prevent subsyndromal increases in depression and anxiety in patients with HCV who are receiving Peg-IFN. 3. To determine whether paroxetine can prevent a significant change in the health related quality of life in patients with HCV who are receiving Peg-IFN. 4. To determine whether paroxetine improves compliance with Peg-IFN therapy for HCV. 5. To determine whether paroxetine enables patients to complete Peg-IFN therapy for HCV who might otherwise require a dose reduction or discontinuation because of neuropsychiatric side effects.

NCT ID: NCT00353028 Completed - Clinical trials for Major Depressive Disorder

Fluvoxamine Maleate in the Treatment of Depression/Depressive State : A Post-marketing Clinical Study in Children and Adolescents

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

This study is to verify the efficacy of fluvoxamine maleate given for 8 weeks in the treatment of children and adolescents with depression or depressive state

NCT ID: NCT00351910 Completed - Clinical trials for Major Depressive Disorder

Efficacy of Seroquel SR in Combination With an Antidepressant in Treatment of Major Depressive Disorder

ONYX
Start date: May 2006
Phase: Phase 3
Study type: Interventional

To evaluate the efficacy of quetiapine fumarate sustained release (Seroquel SR™) in combination with an antidepressant versus an antidepressant alone in 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: NCT00351169 Completed - Clinical trials for Major Depressive Disorder

Efficacy of Seroquel SR in Combination With an Antidepressant in Treatment of Major Depressive Disorder

AMBER
Start date: May 2006
Phase: Phase 3
Study type: Interventional

To evaluate the efficacy and safety of quetiapine fumarate sustained release (Seroquel SR) in the treatment of 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: NCT00345098 Completed - Depressive Disorder Clinical Trials

A Study of SR58611A in the Prevention of Depression Relapse in Patients With Major Depressive Disorder

CALYPSO
Start date: May 2006
Phase: Phase 3
Study type: Interventional

The purpose of the study is to assess whether treatment with SR58611A can prevent relapse of depressive symptoms in patients with major depressive disorder. Relapse will be assessed using the MADRS scale.Patients who demonstrate improvement in depressive symptoms at the end of the initial 12-week open-label treatment period with SR58611A are randomized to continue SR58611A or switch to placebo under double blind conditions for up to 52 weeks of additional treatment. The secondary objective is to evaluate the safety of SR58611A in patients with MDD.

NCT ID: NCT00343070 Completed - Major Depression Clinical Trials

Functional Neuroimaging in Depression

Start date: March 2007
Phase: Phase 2
Study type: Interventional

Oral administration of escitalopram during 8 weeks; PET scan with 18F-FDG at inclusion and after 8 weeks

NCT ID: NCT00331799 Completed - Clinical trials for Major Depressive Disorder

Pilot Study of Duloxetine in Psychological Resilience

Start date: April 2007
Phase: Phase 2
Study type: Interventional

The purpose of this study is to explore benefits of duloxetine in enhancing psychological resilience and to understand the relevance of inhibiting of both serotonin (5HT) and norepinephrine (NE)to therapeutic responses.

NCT ID: NCT00330616 Completed - Clinical trials for Major Depressive Disorder (MDD)

Study Of Bupropion SR (323U66) In Patients With Major Depressive Disorder In Japan

Start date: May 2006
Phase: Phase 2
Study type: Interventional

This is a study to obtain clinical experience of 323U66 SR for elderly patients with depression in repeat-dose of 323U66 SR up to 300mg/day, and to conduct exploratory investigation on safety, efficacy and pharmacokinetics profile in elderly patients with depression.