View clinical trials related to Major Depressive Disorder.
Filter by:The purpose of this study was to evaluate the efficacy, safety, and tolerability of 2 fixed dose levels of vilazodone compared to placebo in patients with major depressive disorder.
An outpatient study to evaluate the safety and efficacy of cariprazine as adjunct to antidepressant therapy (ADT) in participants with major depressive disorder (MDD) who have an inadequate response to ADT alone. This clinical study compared cariprazine + ADT with placebo + ADT in outpatients with a diagnosis of MDD and an inadequate response to ADT. The study consisted of approximately 2 weeks of screening and washout followed by 8 weeks of double-blind treatment followed by a 1 week safety follow-up.
This study will investigate the relationships between subjective cognitive complaints, neurocognitive deficits, and work productivity in participants with Major Depressive Disorder (MDD), before and after 8 weeks of treatment with an antidepressant medication. Our hypothesis is that, in working participants with MDD of at least moderate severity, neurocognitive deficits will predict poorer work functioning and productivity.
Several lines of evidence support the existence of an underlying abnormality in brain energy metabolism may play a key role in the biology of mood disorders. The current study utilizes two distinct but complementary imaging techniques, fluorodeoxyglucose (FDG) positron emission tomography (PET) and multinuclear magnetic resonance spectroscopy (MRS), to better understand the nature of these metabolic abnormalities in major depressive disorder (MDD). The investigators hypothesize that individuals with depression will have increased metabolic activity as measured by PET in certain brain regions involved in mood regulation, but that this metabolic activity will be inefficient based on MRS findings. For this study, the investigators will study 10 medication-free, currently depressed participants with recurrent MDD, 10 depressed participants with recurrent MDD currently taking antidepressant medication, and up to 20 healthy control participants matched to depressed participants for age and gender. Depressed and healthy participants will each undergo one PET scan and one MRS scanning session.
Iloperidone is an atypical antipsychotic drug, FDA-approved for the acute treatment of schizophrenia in adults in 2009 (Marino et al., 2010); moreover, some of its pharmacological features seem to be very promising in treating symptoms like anger and anxiety (Fava et al., 1997; Wang et al., 2010). The investigators therefore feel that an adequately sized, well powered, double-blind, placebo-controlled, randomized, cross-over study of iloperidone augmentation of SSRIs among MDD outpatients in partial remission with residual anger and irritability is warranted at this point to evaluate its efficacy, safety and tolerability on residual anger, irritability and depressive symptoms. Main hypothesis: Adults with MDD in partial remission, who are experiencing residual symptoms of anger and irritability, assigned to treatment with iloperidone will demonstrate a significantly greater reduction in the total score of the Anger/Hostility Scale of the Symptom Questionnaire from baseline to endpoint than those assigned to placebo using the cross-over design.
Study hypothesis: psychotherapy and SSRI treatment effect in different brain way: psychotherapy in "up to down" way and SSRI in "down to up" way. The investigators will explore this hypothesis in major depressive disorder outpatients with Magnetic Resonance Imaging analysis in this study. Patients in different groups will be treated by psychotherapy or SSRI treatment. They will all be checked with Magnetic Resonance Imaging pro and after 12 weeks of treatment.
This multi-center, randomized, double-blind, placebo-controlled, parallel-group study will investigate the efficacy and safety of RO4995819 as adjunctive therapy in patients with major depressive disorder having inadequate response to ongoing antidepressant treatment. Patients will be randomized to receive once daily doses of 5 mg, 15 or 30 mg of RO4995819 or matching placebo. The anticipated time on study treatment is 6 weeks.
The purpose of this study is to predict and visualize sertraline treatment response in major depressive disorder with clinical symptoms, demographic and stress state, personality, eight genetic polymorphisms at baseline.
Transcranial direct current stimulation (tDCS) is a noninvasive method to activate or de-activate neurons in superficial regions of the brain through the induction of weak electric currents in the brain tissue delivered by two scalp electrodes. Initial studies have shown tDCS to be effective for treating major depressive disorder (MDD), although there are negative trials in the specialized literature. One reason for these discrepant results might be that the duration of tDCS treatment in clinical trials to date (up to 2 weeks) is still insufficient to produce consistent clinical improvements. Thus, we intend to assess, in a sample of outpatients with MDD, whether a 3-week adjunctive course of active tDCS over the left dorsolateral prefrontal cortex is associated with a significant clinical improvement when compared to sham tDCS. The investigators hypothesize that subjects receiving active tDCS will present with significantly higher response and remission rates at weeks 3.
The purpose of this study is to assess the long-term safety, tolerability and efficacy of oral OPC-34712 as adjunctive therapy in the treatment of adult patients with Major Depressive Disorder (MDD).