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Seasonal Affective Disorder (SAD) is a subtype of Major Depressive Disorder, characterized by a recurrent temporal relationship between the season of year, the onset and the remission of a major depressive episode. Estimates of the annual prevalence state that 1-6% of the population will develop SAD with the larger prevalences found at greater extremes in latitude. SAD is most likely triggered by the shortening photoperiod experienced in the winter months leading to a deterioration of mood. Recent cross-sectional neuroimaging studies have found cellular and neurotransmitter changes in response to seasonality, ultimately having an impact on the affect of patients. Conversly, this study aims to investigate the changes in neurocircuitry related to depression and euthymic states. Patients with SAD offer a unique ability to study these changes since they have predictable triggers for the onset of depression (i.e. the winter months) and remission (i.e. the summer months).
The purpose of this study is to evaluate the effects of videogame-like digital therapies as adjunct therapy to antidepressant medications on cognitive deficits associated with major depressive disorder.
The first aim of this study is to develop a structured, cognitive behavioral treatment manual for major depressive disorder (MDD) adapted for individuals with moderate to severe traumatic brain injury (TBI) (CBTx-TBI), as well as evaluate its acceptability and tolerability in an open 12-week pilot trial (N=10). The second aim is to evaluate the acceptability and tolerability of, and adherence to, CBTx-TBI in a randomized waitlist-controlled, 12-week pilot trial (N=40). A third, exploratory aim is to evaluate the potential efficacy of CBTx-TBI for MDD in the randomized pilot trial (N=40) and possible moderators and mediators of outcome.
This study uses a randomized controlled trial design to compare the psychological effects of surf therapy to hike therapy in active duty service members who have been diagnosed with major depressive disorder.
In this proposed study, the investigators will evaluate the effects of fish oil add-on in treatment of major depressive disorder(MDD).
Background: Repetitive transcranial magnetic stimulation (rTMS) is a treatment for depression. It stimulates the brain. Researchers want to see if using magnetic resonance imaging (MRI) scans helps locate the best area for rTMS in each person. They also want to find other ways to make it more effective. Objective: To study the effects of combining MRI- guided transcranial magnetic stimulation (TMS) and talk therapy on the brain in people with depression. Eligibility: Adults ages 18 65 with a major depressive disorder and current depression. If taking an antidepressant, should have been doing so for at least 4 weeks. Design: Participants will be screened with medical and psychiatric history, psychiatric evaluation, physical exam, and blood and urine tests. Phase 1 is 1 4 visits in 1 week. Participants will have: Brain MRI. Participants will lie on a table in a scanner. Questions about their medical history and psychology symptoms Tests of mood and thinking Tests of brain activity. Participants may do tasks during these tests: A cone with magnetic detectors is put on the head. A cap with electrodes is put on the scalp. TMS. A brief electrical current passes through a wire coil on the scalp. A metal disk will be placed on the arm. A nerve will be stimulated with a small electrical shock. Phase 2 is about 6 to 7 weeks. There will be 30 daily sessions of combined therapy and repetitive TMS (rTMS) for 6 weeks. Participants will receive rTMS and another therapy by computer. For rTMS, repeated pulses will pass through the coil. This is followed by up to 3 additional visits, when: Participants will repeat Phase 1 tests Participants will rate their depression symptoms. Phase 3 is 3 visits over 3 months. Participants will rate their depression symptoms and repeat some of the previous questionnaires and tests of mood and thinking.
This is a double-blind, sham controlled, multi-center study to confirm the safety and efficacy of synchronized transcranial magnetic stimulation (sTMS) for the treatment of patients currently experiencing an episode of depression who have failed to respond to at least one (1) antidepressant medication. Patients will be randomly assigned to either active or sham therapy and will undergo daily treatments for a period of time. Following completion of blinded treatments, patients may be eligible for a course of open label treatments.
The MPI-PT-Study: Schema Therapy vs. Cognitive Behavioral Therapy for Patients with Major or Persistent Depressive Disorder in an Inpatient and Day Clinic Setting: An outline Depressive disorders represent one of the most frequent diseases worldwide. Schema therapy, which was originally developed for patients with personality disorders and focuses on emotion activating techniques, became popular in the field of psychotherapy in the recent years and was also applied on axis-I-disorders such as depression. The current study aims to close the gap of increasing popularity of ST and missing empirical evidence of its effectiveness. This aim breaks down into three main research questions dealing with (1) general effectiveness of ST measured by multiple operationalizations (i.e. depressive symptoms, biological markers, relapse prevention, or need for medication), (2) specific effectiveness of ST (i.e. interpersonal problems and emotion regulation), and (3) the identification of parameters in the sense of an individualized psychotherapy approach in order to fit patient needs with certain psychotherapy offers. After participants have given informed consent, they undergo a comprehensive baseline measurement which covers psychometric measures (such as questionnaires and clinical ratings), biological parameters (blood samples, endocrine activity), neuropsychological testing (such as word fluency), and actimetry measures (circadian rhythms). After finishing the diagnostic procedure, participants will be randomized to three different experimental conditions: (1) a schema therapy condition, (2) a cognitive behavioral therapy condition, and (3) an individualized supportive therapy condition. After undergoing a comprehensive baseline measurement process in study week one, patients participate in an intensive seven-week-treatment-program, in addition to the regular pharmacological treatment, which is not object of the study. The measures are repeated during the fourth and seventh week of psychotherapeutical treatment and on the occasion of a follow-up visit six months after discharge from the clinic. Additionally, the investigators test among sub-samples the effects of psychotherapeutical interventions on psychophysiological outcomes, sleep-patterns, and neuronal substrates in the context of emotional regulation and social interaction. Thus, the study will give valuables insights in the effectiveness of an innovative psychotherapy approach and breaks new ground in the field of individualized psychotherapy and its biological implications.
The prevalence of psychiatric disorders such as major depression disorder (MDD) is increasing rapidly. Despite advancements in the development of therapeutics, current treatment options have not reached optimal efficacy. Recent interest has been drawn towards the importance of the biochemical signalling between the gastrointestinal tract and the central nervous system also known as the "microbiome-gut-brain axis". The pathogenesis of gut microbiota in extra intestinal diseases was inspired by massive studies in germ free (GF) animals, which indicated that the gut microbiota plays a role in the normal regulation of behaviour that are relevant to mood, anxiety and stress. However, the exact mechanisms by which intestinal dysbiosis are involved in the development of psychiatric diseases are not completely clarified. A new method to alter the composition of the gastrointestinal microbiota involves fecal microbiota transplantation (FMT). The goal of FMT is to introduce or restore a stable microbial community in the gut by transplanting intestinal microbiota from a healthy donor to the patient. FMT, as a microbiota-target therapy, is arguably very effective for curing recurrent Clostridium difficile infection and has good outcomes in other intestinal diseases. At the same time, applications in previously unexpected areas, including metabolic diseases, neuropsychiatric disorders, autoimmune diseases, allergic disorders, and tumors have shown health enhancing results. FMT has initially been conducted using colonoscopy. However, recent evidence has shown that treatment with frozen FMT capsules (to be taken orally) is also safe and beneficial in restoring the gut microbiota in patients with various diseases As FMT capsules may be an effective, pragmatical adjuvant therapy (in addition to standard treatment) for depression, this project is aimed at (1) investigating for the first time if single administration of FMT capsules ameliorates depressive symptoms in patients with moderate to severe MDD 4 weeks after treatment and (2) establishing the safety profile of encapsulated FMT in MDD. Furthermore, we will also test if (3) FMT capsules modulates immune signalling and inflammatory processes, (4) Hypothalamic-pituitary-adrenal (HPA) axis responses, (5) neurogenesis, (6) energy balance hormones, (7) gut microbiota composition and (8) brain perfusion, structure and activation.
Psychomotor slowing may occur in major psychiatric disorders, such as major depressive disorders or schizophrenia spectrum disorders. It refers to slowing of fine motor skills, motor planning and gross motor behavior. In major depression and schizophrenia, psychomotor slowing is associated with alterations of premotor cortex, dorsolateral prefrontal cortex and basal ganglia. This randomized, sham-controlled, prospective trial will test, whether 15 sessions of repetitive transcranial magnetic stimulation (rTMS) may ameliorate psychomotor slowing in schizophrenia or major depression.