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Treatment-resistant Depression

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https://www.readbyqxmd.com/read/28734239/stigma-resistance-and-its-association-with-internalised-stigma-and-psychosocial-outcomes-among-psychiatric-outpatients
#1
Ying Wen Lau, Louisa Picco, Shirlene Pang, Anitha Jeyagurunathan, Pratika Satghare, Siow Ann Chong, Mythily Subramaniam
Studies have suggested that stigma resistance plays an important role in the recovery from mental illness. However, there has been limited research in Asian countries that has examined the benefits of stigma resistance among the mentally ill in Asian populations. Hence, this study aimed to assess the prevalence of stigma resistance and establish the socio-demographic correlates of stigma resistance, as well as its association with internalised stigma and psychosocial outcomes among a multi-ethnic population of 280 outpatients with obsessive compulsive disorder (OCD), schizophrenia, depressive disorders and anxiety disorders in Singapore...
July 14, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28731926/history-of-anaesthesia-the-ketamine-story-past-present-and-future
#2
Georges Mion
: Ketamine's history begins in the 1950s in Detroit, Michigan, at Parke-Davis Laboratories. On 26 March 1956, Harold V. Maddox synthesised phencyclidine or PCP. Domino studied PCP effects in animals and in 1958, Greifenstein made the first trials of PCP in humans under the name of Sernyl. Sernyl did not cause depression of cardiovascular and respiratory functions, but elicited severe excitation with a very prolonged postoperative recovery. Because of its psychedelic effects, it became a street drug under the name of 'angel dust' and was placed on schedule II of Federal Controlled Substance Act (CSA) in 1978...
July 20, 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28723697/the-history-and-future-of-ablative-neurosurgery-for-major-depressive-disorder
#3
Matthew Volpini, Peter Giacobbe, G Rees Cosgrove, Anthony Levitt, Andres M Lozano, Nir Lipsman
BACKGROUND: There is an urgent need to develop safe and effective treatments for patients with treatment-resistant depression (TRD). Several neurosurgical procedures have been developed to treat the dysfunctional brain circuits implicated in major depression. OBJECTIVES: This review describes the most common ablative procedures used to treat major depressive disorder: anterior cingulotomy, subcaudate tractotomy, limbic leucotomy, and anterior capsulotomy. The efficacy and safety of each are discussed and compared with other current and emerging modalities, including deep brain stimulation (DBS) and MR-guided focused ultrasound (MRgFUS)...
July 20, 2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28723279/magnetization-transfer-imaging-in-treatment-resistant-depression-structural-evidence-of-a-functional-derangement-that-might-help-guide-therapy
#4
Karen Buch, Bernardo Bizzo, Michael H Lev
No abstract text is available yet for this article.
August 2017: Radiology
https://www.readbyqxmd.com/read/28721049/the-potential-role-of-vagus-nerve-stimulation-in-the-treatment-of-hiv-associated-depression-a-review-of-literature
#5
REVIEW
William C Nicholson, Mirjam-Colette Kempf, Linda Moneyham, David E Vance
Depression is the most common comorbidity and neuropsychiatric complication in HIV. Estimates suggest that the prevalence rate for depression among HIV-infected individuals is three times that of the general population. The association between HIV and clinical depression is complex; however, chronic activation of inflammatory mechanisms, which disrupt central nervous system (CNS) function, may contribute to this association. Disruptions in CNS function can result in cognitive disorders, social withdrawal, fatigue, apathy, psychomotor impairment, and sleep disturbances, which are common manifestations in depression and HIV alike...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28718334/the-preclinical-discovery-and-development-of-brexpiprazole-for-the-treatment-of-major-depressive-disorder
#6
Awais Aftab, Keming Gao
Brexpiprazole is the most recently approved second-generation antipsychotic, which is used as adjunctive therapy to antidepressants for treating major depressive disorder (MDD) with inadequate response. Brexpiprazole shares pharmacological similarities with other second-generation antipsychotics, especially aripiprazole. Area covered: This review provides a detailed overview of the pre-clinical studies of brexpiprazole, followed by a summary of its clinical studies, and a comparison with other antipsychotics in MDD...
July 18, 2017: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/28714751/antidepressant-efficacy-of-electroconvulsive-therapy-is-associated-with-a-reduction-of-the-innate-cellular-immune-activity-in-the-cerebrospinal-fluid-in-patients-with-depression
#7
Laura Kranaster, Carolin Hoyer, Suna S Aksay, J Malte Bumb, Norbert Müller, Peter Zill, Markus J Schwarz, Alexander Sartorius
OBJECTIVES: A bidirectional link between the antidepressant effects of electroconvulsive therapy (ECT) and the modulation of the immune system has been proposed. To elucidate the interplay between antidepressant treatment and macrophage/microglia activation in humans, we performed a study on the effects of the antidepressant treatment by ECT on markers of macrophage/microglia activation in patients with depression. METHODS: We measured six different markers (IL-6, neopterin, sCD14, sCD163 MIF and MCP1) of macrophage/microglia activation in the cerebrospinal fluid (CSF) and blood of 12 patients with a severe, treatment-resistant depressive episode before and after a course of ECT...
July 17, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28714575/rate-and-predictors-of-conversion-from-unipolar-to-bipolar-disorder-a-systematic-review-and-meta-analysis
#8
REVIEW
Lars Vedel Kessing, Inge Willer, Per Kragh Andersen, Jens Drachman Bukh
OBJECTIVES: For the first time to present a systematic review and meta-analysis of the conversion rate and predictors of conversion from unipolar disorder to bipolar disorder. METHODS: A systematic literature search up to October 2016 was performed. For the meta-analysis, we only included studies that used survival analysis to estimate the conversion rate. RESULTS: A total of 31 studies were identified, among which 11 used survival analyses, including two register-based studies...
July 17, 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/28707590/combining-drug-and-psychological-treatments-for-obsessive-compulsive-disorder-what-is-the-evidence-when-and-for-whom
#9
Umberto Albert, Gabriele Di Salvo, Francesca Solia, Gianluca Rosso, Giuseppe Maina
BACKGROUND: serotonin reuptake inhibitors (SRIs) and cognitive-behavioral psychotherapy (CBT) are first-line treatments for obsessive-compulsive disorder (OCD). Since response is often inadequate, in recent years researchers investigated whether combining CBT and SRIs, either ab initio or sequentially, results in a greater reduction of obsessive-compulsive symptoms. OBJECTIVE: the aims of the present paper are to assess if combination treatment seems adding benefits as compared to either monotherapy alone and if sequential strategies may be effective in converting partial or non responders to a first-line treatment into responders...
July 12, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28698761/vagus-nerve-stimulation
#10
REVIEW
Hakan Ekmekçi, Hülagu Kaptan
BACKGROUND: The vagus nerve stimulation (VNS) is an approach mainly used in cases of intractable epilepsy despite all the efforts. Also, its benefits have been shown in severe cases of depression resistant to typical treatment. AIM: The aim of this study was to present current knowledge of vagus nerve stimulation. MATERIAL AND METHODS: A new value has emerged just at this stage: VNS aiming the ideal treatment with new hopes. It is based on the placement of a programmable generator on the chest wall...
June 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28694708/spiritual-care-may-impact-mental-health-and-medication-adherence-in-hiv-populations
#11
Valerie U Oji, Leslie C Hung, Reza Abbasgholizadeh, Flora Terrell Hamilton, E James Essien, Evaristus Nwulia
OBJECTIVE: To explore a potential role for spirituality in medication-related needs assessment for integrated care in chronically ill populations. METHOD: A systematic literature review was conducted to explore the impact of faith beliefs on health and/or medication adherence in individuals with depression and/or HIV+/AIDS. Retrospective electronic medical record review of adult HIV+ patients of an urban primary care clinic with integrated mental health services was conducted, with Substance Abuse and Mental Illness Symptoms Screener (SAMISS), major depressive disorder (MDD) incidence over the preceding year, and history of contact with a spiritual advisor...
2017: HIV/AIDS: Research and Palliative Care
https://www.readbyqxmd.com/read/28686644/physical-activity-and-the-mediating-effect-of-fear-depression-anxiety-and-catastrophizing-on-pain-related-disability-in-people-with-chronic-low-back-pain
#12
Paul W M Marshall, Siobhan Schabrun, Michael F Knox
BACKGROUND: Chronic low back pain is a worldwide burden that is not being abated with our current knowledge and treatment of the condition. The fear-avoidance model is used to explain the relationship between pain and disability in patients with chronic low back pain. However there are gaps in empirical support for pathways proposed within this model, and no evidence exists as to whether physical activity moderates these pathways. METHODS: This was a cross-sectional study of 218 people with chronic low back pain...
2017: PloS One
https://www.readbyqxmd.com/read/28676315/efficacy-and-long-term-tuning-parameters-of-vagus-nerve-stimulation-in-long-term-treated-depressive-patients
#13
Helge H O Müller, Caroline Lücke, Sebastian Moeller, Alexandra Philipsen, Wolfgang Sperling
Vagus nerve stimulation (VNS) is a promising neurostimulation tool for the treatment of treatment-resistant depression. Here, we report the effects of positive remission rates and tuning parameters in a group of 18 (6 female, 12 male, mean age 54) long-term treated patients. Treatment varied between 3 and 200months (mean 104.9months). Mean stimulation intensity was 1.46mA, ranging from 0.5 to 2.0mA and high-frequency stimulation of 20-25Hz (mean 23.61Hz). The remission rates in our study population clearly indicate ongoing positive effects of VNS and highlight stimulation tunings between 0...
July 1, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28672181/corpus-callosum-macro-and-microstructure-in-late-life-depression
#14
Louise Emsell, Christopher Adamson, François-Laurent De Winter, Thibo Billiet, Daan Christiaens, Filip Bouckaert, Katarzyna Adamczuk, Rik Vandenberghe, Marc L Seal, Pascal Sienaert, Stefan Sunaert, Mathieu Vandenbulcke
BACKGROUND: Differences in corpus callosum (CC) morphology and microstructure have been implicated in late-life depression and may distinguish between late and early-onset forms of the illness. However, a multimodal approach using complementary imaging techniques is required to disentangle microstructural alterations from macrostructural partial volume effects. METHODS: 107 older adults were assessed: 55 currently-depressed patients without dementia and 52 controls without cognitive impairment...
November 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28671633/l1210-cells-overexpressing-abcb1-drug-transporters-are-resistant-to-inhibitors-of-the-n-and-o-glycosylation-of-proteins
#15
Lucia Pavlikova, Mario Seres, Milan Hano, Viera Bohacova, Ivana Sevcikova, Tomas Kyca, Albert Breier, Zdena Sulova
Overexpression of P-glycoprotein (P-gp, drug transporter) in neoplastic cells is the most frequently observed molecular cause of multidrug resistance. Here, we show that the overexpression of P-gp in L1210 cells leads to resistance to tunicamycin and benzyl 2-acetamido-2-deoxy-α-d-galactopyranoside (GalNAc-α-O-benzyl). Tunicamycin induces both glycosylation depression and ubiquitination improvement of P-gp. However, the latter is not associated with large increases in molecular mass as evidence for polyubiquitination...
July 3, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28667887/feasibility-safety-and-preliminary-efficacy-of-low-amplitude-seizure-therapy-lap-st-a-proof-of-concept-clinical-trial-in-man
#16
Nagy A Youssef, Emad Sidhom
BACKGROUND: Current pulse amplitude used in clinical ECT may be higher than needed. Reducing pulse amplitude may improve focality of the electric field and thus cognitive adverse effects. Here we examine the feasibility, safety, and whether Low Pulse Amplitude Seizure Therapy (LAP-ST, 0.5-0.6A) minimizes cognitive adverse effects while retaining efficacy. METHODS: Patients with treatment-resistant primary mood (depressive episodes) or psychotic disorders who were clinically indicated to undergo ECT were offered to be enrolled in an open-label study...
November 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28667464/can-neurochemical-changes-of-mood-disorders-explain-the-increase-risk-of-epilepsy-or-its-worse-seizure-control
#17
Andres M Kanner
The existence of a bidirectional relation between mood disorders and epilepsy has been suggested by six population-based studies. Furthermore, three studies have associated a higher risk of treatment-resistant epilepsy with a history of depression preceding the onset of epilepsy. Common pathogenic mechanisms operant in depression and epilepsy may provide a possible explanation of these observations. This article reviews some of the leading pathogenic mechanisms of depression with respect to potential proconvulsant properties that may provide explanations for these phenomena...
July 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28666206/low-dose-ketamine-for-treatment-resistant-depression-in-an-academic-clinical-practice-setting
#18
David Feifel, Benjamin Malcolm, Danielle Boggie, Kelly Lee
BACKGROUND: Recent studies demonstrating a rapid, robust improvement in treatment resistant depression (TRD) following a single sub-anesthetic infusion of ketamine have generated much excitement. However, these studies are limited in their generalizability to the broader TRD population due to their subject exclusion criteria which typically limit psychiatric comorbidity, concurrent medication, and level of suicide risk. This paper describes the safety and efficacy of sub-anesthetic ketamine infusions in a naturalistic TRD patient sample participating in a real-world TRD treatment program within a major university health system...
October 15, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28658013/hippocampal-gray-volumes-increase-in-treatment-resistant-depression-responding-to-vagus-nerve-stimulation
#19
Giulia Ida Perini, Tommaso Toffanin, Giorgio Pigato, Giovanni Ferri, Halima Follador, Filippo Zonta, Carlo Pastorelli, Giulia Piazzon, Luca Denaro, Giuseppe Rolma, Mario Ermani, Domenico DʼAvella
BACKGROUND: Changes in hippocampal gray matter volumes are proposed to be involved in pathogenesis, course, and treatment response of major depressive disorder. Converging evidence suggests that reduced neurogenesis may occur in treatment-resistant depression (TRD). Vagus nerve stimulation (VNS) is a well-defined, long-term brain stimulation treatment for TRD. However, its in vivo positive effect on hippocampal modulation as mechanism of action has never been investigated before in clinical studies...
June 27, 2017: Journal of ECT
https://www.readbyqxmd.com/read/28657934/multitarget-botanical-pharmacotherapy-in-major-depression-a-toxic-brain-hypothesis
#20
Siu W Tang, Wayne H Tang, Brain E Leonard
A significant number of patients with major depression do not respond optimally to current antidepressant drugs. As depression is likely to be a heterogeneous disorder, it is possible that existing neurotransmitter-based antidepressant drugs do not fully address other pathologies that may exist in certain cases. Biological pathologies related to depression that have been proposed and studied extensively include inflammation and immunology, hypercortisolemia, oxidative stress, and impaired angiogenesis. Such pathologies may induce neurodegeneration, which in turn causes cognitive impairment, a symptom increasingly being recognized in depression...
June 27, 2017: International Clinical Psychopharmacology
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