View clinical trials related to Depressive Disorder.
Filter by:Accumulating evidence suggests a role of G protein-coupled inwardly-rectifying potassium (GIRK) channel in the pathology of excitement of nerve, and the medicine with the action (like the Tipepidine Hibenzate) is expected as a new curative medicine of adolescent depression. The purpose of this research is to confirm the effect by carrying out the additional dosage of the Tipepidine Hibenzate to the adolescent patients with depression. If suggestion is obtained by this research about the effect on adolescent patients with depression of Tipepidine Hibenzate, it can contribute to development of the medical treatment of adolescent patients with depression.
Despite the availability of several treatments, a number of patients with major depression are refractory to therapeutical approaches and therefore suffer from chronic handicap. For these severe patients, neurosurgical therapies can be envisaged. They aim at interrupting bundles that link the orbitofrontal cortex with striatum and can therefore benefit for the patients. This study intends to repeat Dr. Lozano's study, published in 2005 in the journal Neuron. In this study, they performed a preliminary evaluation of chronic deep brain stimulation (DBS) of the subgenual cingulate region (Brodmann area 25) to treat refractory depression as an alternative to subcaudate tractotomy. This last technique was employed in Grenoble in the 60s with satisfying results before neurosurgery for psychiatric disorders was abandoned. Since 1992, psychosurgical therapies that respect ethical recommendations have regained interest to treat highly impaired patients. Before the investigators can propose deep brain stimulation of subgenual cingulate brain region as a new therapeutic approach for the investigators patients in Grenoble, the investigators decided to reproduce their clinical evaluation on a group of 6 patients, repeating their methodology faithfully. Therefore nothing was changed to the model used by Drs. Lozano and Mayberg and the investigators took advantage of the investigators own expertise regarding deep brain stimulation and subcaudate tractotomy. Protocol is strictly identical to the one of Mayberg and Lozano in order to confirm their preliminary results. Cartography of physiological consequences of this procedure will be assessed by measuring cerebral blood flow by PET scan (positron emission tomography). Patients will be monitored and thoroughly assessed during including psychiatric, neurological, neurosurgical, neuropsychological and PET scan exams to measure treatment efficacy and potential adverse reactions. Patients will be followed for two more years to assess medium-term complications. This study will be a first step toward further research including potentially a multicentric clinical trial.
The objective of this research is to test the efficacy of "CarePartners for Depression" (CP-D) intervention, which was designed to increase between visit monitoring of depression status and enhance self-management. **In order to participate, subjects must be patients at participating clinics: Alcona Health Center, Cherry Street Health Services, Dua Family Practice, Morang Chester.
The primary objective of this study is to investigate the biological components of major depression. The investigators are particularity interested in genetic variation and how it contributes to cortisol (because cortisol is higher in severe depression than mild depression or healthy controls) and how it contributes to clinical symptoms, especially suicidal ideation/behavior and psychosis.
This study addresses NCCAM's request for research that investigates the neuropsychological mechanisms underlying mind-body therapies, and for precise criteria and better delineation of meditation practices. The purpose of this study is to assess the clinical efficacy and mechanism of action of 2 component practices of "mindfulness meditation", i.e. focused awareness (FA) and open monitoring (OM) in comparison to each other and to the standard package, Mindfulness-Based Cognitive Therapy (MBCT).
The overarching goal of this research program is to elucidate causal and directional neural network- level abnormalities in depression, and how they are modulated by an individually-tailored, circuit-directed intervention. By using concurrent TMS and fMRI, the investigators can overcome a major limitation of neuroimaging - the inability to demonstrate causality. The investigators' findings will serve as a platform for future studies wherein TMS treatment can be directly guided by the investigators' ability to image and causally manipulate specific neural networks. Aim 1: To examine causal interactions between two major brain networks in depression. Aim 2: To examine the impact of antidepressant TMS on causal network abnormalities in depression. Hypothesis 1: Depressed subjects will show blunted responses, compared to healthy controls, in two targeted and interacting networks, using concurrent transcranial magnetic stimulation (TMS) and functional magnetic resonance imaging (fMRI). Hypothesis 2: Treatment of patients with high-frequency repetitive TMS (rTMS) will result in normalization of baseline network-level deficits, and be predicted by degree of baseline network abnormalities.
Psychological therapies for depression have demonstrated efficacy, but outcomes are still unsatisfactory, especially in cases with high comorbidity. Depression and anxiety co-occur in up to 69-75% of teens and intensify functional impairment and service use. This study will develop treatment materials for a transdiagnostic Group Behavioral Activation Therapy (GBAT) and conduct a pilot waitlist-controlled school-based study with 35 7th and 8th grade boys and girls with co-occurring depression and anxiety. Multi-reporter, multi-domain assessments will be conducted at initial screening, pre- and post-treatment, and 4-month follow-up. BA is a straightforward, but flexible and robust, therapy that has demonstrated strong results in adults. Current formulations of BA highlight the specific role of avoidance in depressotypic behavior. It presumes that anhedonia, isolation, and negative behaviors associated with depression function to avoid imminent distress even as it blocks access to otherwise available positive reinforcement. This study will therefore employ novel electronic diary technology to obtain Ecological Momentary Assessment and evaluate: (a) the function of avoidance in distinguishing youth with depression (n=35) from a non-clinical comparison group (n=18), and (b) the role of avoidance in mediating treatment gains in participants in the GBAT intervention.
The rate of type-2 diabetes mellitus (T2DM) is at least 2-3 times higher in persons with psychotic illnesses than in the general population. Life expectancy of individuals with psychosis is also 20-25 years less than the general population, primarily due to premature onset of cardiovascular disease (CVD). Despite the high risk for T2DM and CVD, psychotic illness has been an exclusion criterion in all large-scale studies of diabetes prevention and management. We propose a 3-year randomized controlled trial examining the effectiveness of a lifestyle intervention (LI) aimed at reducing caloric intake and increasing physical activity in overweight or obese individuals (N=150) suffering from both a psychotic illness and T2DM. Weight and glycemic control will be the primary outcome variables. It is hypothesized that a significant weight reduction and improvement in glycemic control will be found in those who receive the LI relative to those who do not.
The purpose of this study is to examine whether the successful perinatal depression intervention among mothers (Thinking Healthy Programme, THP) has led to improved developmental outcomes in the children 6 years later. Economic and human resources aspects of the intervention will also be evaluated to determine overall societal benefits from investment in such a program, feasibility of scaling up the intervention and its sustainability in the long-term. The primary hypothesis is that children of mothers who participated in the THP will have better cognitive outcomes and socio-emotional functioning when compared to children of mothers randomized to the control group.
Women are more prone to depression at certain points of the life cycle, although the etiologic and therapeutic implications remain largely unknown1,2. It is reported that pre- and postmenopausal women have a significant difference in response to some antidepressants, within a large clinical trial data set3, 4. A growing number of researches indicate that a woman's hormonal status may influence response to different forms of antidepressant medication. Specifically, younger women appeared to respond better to monoamine oxidase inhibitors (MAOIs) and selective serotonin reuptake inhibitor (SSRIs), whereas men and older women have tended to have relatively better responses to tricyclic antidepressants (TCAs) 1-5. One difference between these classes of antidepressants is that the SSRIs are strongly serotoninergic, whereas TCAs have predominantly noradrenergic effects. One pooled analysis 6 suggests that older women (age ≥ 50) tend to respond poorer to SSRI, while this phenomenen was not observed with venlafaxine. The antidepressive mechanism of venlafaxine that has both noradrenergic and serotonergic effects is superior to SSRIs. As a noradrenergic and serotonergic antidepressant, venlafaxinee has been demonstrated of significant advantages in response and remission rates compared with various SSRIs. As mentioned above, older women tend to have relatively better responses to TCAs which is predominantly noradrenergic antidepressant. Postmenopausal women with depression also would be predicted to respond better to an SSRI if administered along with hormone replacement therapy 6. This could be critical to understanding age difference in antidepressant responses across the life cycle because circulating estrogen levels may modulate central serotoninergic pathways. Therefore, it is presumed that antidepressants which enhance both serotonergic and noradrenergic neurotransmission, as venlafaxine, may be more effective than SSRIs for postmenopausal women with major depressive disorder.