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69 active trials for Treatment Resistant Depression

Tianeptine for Treatment Resistant Depression

The study will be conducted in parallel at two sites: the Clinic for Aging, Anxiety and Mood Disorders (CAAM) at Columbia University/New York State Psychiatric Institute (CU/NYSPI) and the Mood and Anxiety Disorders Program at the Icahn School of Medicine at Mount Sinai (MSSM). The following procedures will be approved by the local Institutional Review Boards (IRBs) at each site, where the site PIs (Bret Rutherford, MD at CU/NYSPI and James Murrough, MD at MSSM) will be responsible for overseeing conduct of the study at their respective site. Dr. Jonathan Javitch is the scientific leader of this program and holds the IND for tianeptine use in this study. Investigators will recruit 75 participants with current unipolar MDD, non-delusional, between 21-50, who have failed at least 2 two adequate treatment trials with a standard antidepressant. Patients will receive an 8-week treatment trial of tianeptine. Patients will also undergo structural and task-based magnetic resonance imaging (MRI) that will be performed under Dr. Rutherford's direction at CU/NYSPI in order to maintain the internal validity of the data set. Approval has been granted for use of the MRI facility for this study by the Director of MRI Research at the New York State Psychiatric Institute. CU/NYSPI and MSSM subjects will be transported to CU/NYSPI to complete neuroimaging procedures as described below. Participants will be screened for MRI clearance during their screening visit and again at CU/NYSPI on the day of the scan. Subjects will be asked MRI screening questions to ensure that are scanning eligible. Participants will also have additional tubes of blood drawn for human whole-genomic testing. This microarray will be used to identify regions of the human genome that contribute to disease susceptibility and phenotypes. The Illumina human whole-genome array will be used to provide a comprehensive view of the genome, detects single nucleotide polymorphisms and other variations across the genome.

Start: October 2020
DBS for TRD With the Medtronic Summit RC+S

Of the estimated 30 million Americans who suffer from Major Depressive Disorder, approximately 10% are considered treatment resistant. Deep brain stimulation (DBS) to a region of the brain called the subcallosal cingulate (SCC) is an emerging strategy for treatment resistant depression (TRD), which involves placement of electrodes in a specific region of the brain and stimulating that area with electricity. This is believed to reset the brain network responsible for symptoms and results in a significant antidepressant response. A series of open-label studies have demonstrated sustained, long-term antidepressant effects in 40-60% of patients who received this treatment. A challenge to the effective dissemination of this fledgling treatment is the absence of biomarkers (objective, measureable indications of the state of the body and brain) to guide device placement and select stimulation parameters during follow-up care. By using an experimental prototype DBS device called the Summit RC+S (Medtronic, Inc) which has the ability to both deliver stimulation to and record electrical signals directly from the brain, this study aims to identify changes in local field potentials (LFPs), specific electrical signals that are thought to represent how the brain communicates information from one region to another, to see how this relates to DBS parameter settings and patient depressive symptomatology. The goal of this study is to study LFPs before and during active DBS stimulation to identify changes that correlate with the antidepressant effects of SCC DBS. The study team will recruit 10 patients with TRD and implant them with the Summit RC+S system. Participants will be asked to complete short questionnaires and collect LFP data twice daily for the first year of the study, as well as have weekly in person research procedures and assessments with the study team for up to one year. These include meetings with the study psychiatrist, psychologist, symptom ratings, and periodic EEGs (scalp brainwave recordings). A brief discontinuation experiment will be conducted after 6 months of stimulation, in which the device will be turned off and patterns of LFP changes will be recorded. The entire study is expected to last about 10 years, which is the expected life of the battery that powers the device. All participants are required to live in the New York metropolitan area for the first two years of the study.

Start: January 2020
Minocycline as Adjunctive Treatment for Treatment Resistant Depression

Major depressive disorder (MDD) is a leading cause of disability worldwide. Up to 50% of patients experience treatment resistant depression (TRD), which accounts for a vast majority of disease burden. Current medications for TRD have limited efficacy and can be associated with intolerable side effects. Therefore, there is a need for finding new treatment targets. Accumulating evidence suggests some patients with MDD including those with TRD, display brain inflammation. Thus, patients with TRD may benefit from medications that can reduce this inflammation. Minocycline is an antibiotic which can cross the blood-brain barrier and has effects on several systems implicated in depression. The principal investigator led the first pilot study of minocycline as an add-on treatment in TRD demonstrating that it led to a significant reduction in depressive symptoms compared to placebo and these findings require replication in a larger sample to confirm the efficacy and tolerability of this treatment approach. This study is a 12 week, double-blind, placebo-controlled trial of minocycline as add-on treatment for patients suffering from a major depressive episode who have failed to respond to at least two adequate trials of antidepressant treatment. After screening and randomization to the two parallel arms of the trial, 50 patients will receive minocycline added to treatment as usual (TAU) and 50 patients will receive placebo added to TAU. Clinical assessment will include the Hamilton Depression Rating Scale (HAMD-17), Clinical Global Impression scale (CGI), Patient Health Questionnaire (PHQ-9), and the Generalized Anxiety Disorder scale (GAD-7) at each study visit (screening, baseline, week 2, 6, and 12). Side effects checklists will be undertaken at each visit. Minocycline will be started at 100 mg once daily and will be increased to 100 mg twice daily at two weeks. Secondary outcomes include inflammatory biomarkers measured at baseline, weeks 6 and 12. This trial will provide further evidence of minocycline's efficacy and acceptability as a treatment option for patients with TRD and provide insights into its mechanism of action.

Start: February 2020
DBS for TRD Medtronic Activa PC+S

Major depressive disorder is a common disease. For many people, conventional treatments such as antidepressants are very helpful in relieving the symptoms of this condition. But as many as 30% of patients with depression have less than a full response or become resistant to conventional treatments. When treatment resistance develops, the depression becomes a chronic disease with a very significant burden of morbidity and mortality. The reasons that some patients develop Treatment Resistant Depression (TRD) are not known. One current theory for depression is that it results from the dysfunction of a network of regions in the brain and that in treatment resistant patients the network is permanently stuck in the dysfunctional state. We have been investigating an experimental treatment for treatment resistant depression (TRD), based on this network theory known as subcallosal deep brain stimulation (SCC DBS). This treatment involves placement of electrodes in a specific region of the brain (subcallosal cingulate cortex, area 25) and then stimulating that area with electricity, which resets the regulation of the network resulting in a significant antidepressant response. While still experimental our results suggest this may eventually be a useful treatment for some patients with TRD. The experiment described in this application is to use a new DBS device that can record the electrical activity in the brain around the site of stimulation. The electrical activity is known as Latent Field Potential (LFP) and is a reflection of the activity if the neural network. The new DBS device is an experimental device that has not been approved by the Food and Drug Administration (FDA), but allows for simultaneous recording of LFP while stimulation is being delivered. The device is manufactured by Medtronics and is known as Activa Primary Cell + Sensing(PC+S), but because it can be used to record the brain electrical activity it is also known as "the Brain Radio". The Brain Radio is based on an approved device commonly used for DBS for other conditions that has the added sensor capacity. The stimulation system is identical to that in the approved device. The goal of this investigation is to use the Brain Radio to study LFP in the brains of people with TRD before and during active stimulation. The ultimate goal is to understand the neural network that causes TRD and the changes that DBS cause in that network that results in the antidepressant effects. We will recruit 10 patients with advanced TRD and implant them with the Brain Radio system. The recording system will be to record LFP over 3 years, while patients receive stimulation. A brief discontinuation study will be conducted after 6 months of stimulation when the device will be turned off and patterns of LFP changes will be recorded. All LFP measures will be correlated with the primary clinical response outcome metric, the Hamilton Depression Rating Scale. The knowledge gained with this experiment will be invaluable to understanding the basic pathology of depression and the antidepressant response. This is a unique, first in humans test of this device and as such the results are expected to impact our understanding of depression at a fundamental basis.

Start: September 2013