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Antidepressants PTSD

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https://www.readbyqxmd.com/read/29750979/ketamine-facilitates-extinction-of-avoidance-behavior-and-enhances-synaptic-plasticity-in-a-rat-model-of-anxiety-vulnerability-implications-for-the-pathophysiology-and-treatment-of-anxiety-disorders
#1
Ashley M Fortress, Ian M Smith, Kevin C H Pang
Anxiety disorders and posttraumatic stress disorder (PTSD) share a common feature of pathological avoidance behavior. The Wistar Kyoto (WKY) rat has been used as a model of anxiety vulnerability, expressing a behaviorally inhibited temperament, acquiring avoidance behavior more rapidly and displaying extinction-resistant avoidance compared to Sprague Dawley (SD) rats. Subanesthetic levels of ketamine have gained attention as a rapid antidepressant in treatment-resistant depression. While traditional antidepressants are commonly used to treat anxiety disorders and PTSD, the therapeutic utility of ketamine for these disorders is much less understood...
May 8, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29734488/virtual-reality-exposure-versus-prolonged-exposure-for-ptsd-which-treatment-for-whom
#2
Aaron M Norr, Derek J Smolenski, Andrea C Katz, Albert A Rizzo, Barbara O Rothbaum, JoAnn Difede, Patricia Koenen-Woods, Mark A Reger, Greg M Reger
BACKGROUND: The majority of studies comparing active psychological treatments for posttraumatic stress disorder (PTSD) do not find significant differences at posttreatment. This was the case in a recent trial examining prolonged exposure (PE) and virtual reality exposure (VRE) among active-duty soldiers with combat-related PTSD. Matching individual patients to specific treatments provides a potential avenue to improve significantly the public health impact of effective treatments for PTSD...
May 7, 2018: Depression and Anxiety
https://www.readbyqxmd.com/read/29717483/neurocognitive-functioning-over-the-course-of-trauma-focused-psychotherapy-for-ptsd-changes-in-verbal-memory-and-executive-functioning
#3
Mirjam J Nijdam, Irene J M Martens, Johannes B Reitsma, Berthold P R Gersons, Miranda Olff
OBJECTIVES: Individuals with post-traumatic stress disorder (PTSD) have neurocognitive deficits in verbal memory and executive functioning. In this study, we examined whether memory and executive functioning changed over the course of treatment and which clinical variables were associated with change. DESIGN: Neuropsychological assessments were administered at baseline and endpoint of a randomized controlled trial as secondary outcome. METHODS: Trauma survivors (n = 88) diagnosed with PTSD received trauma-focused psychotherapy within a 17-week randomized controlled trial...
May 1, 2018: British Journal of Clinical Psychology
https://www.readbyqxmd.com/read/29689343/leveraging-genetics-to-enhance-the-efficacy-of-ptsd-pharmacotherapies
#4
REVIEW
Mark W Miller
Progress in PTSD pharmacotherapy has lagged far behind that of other major mental illnesses. Unfortunately, due to the enormous costs and lengthy process involved in bringing drugs to market, delivering new treatments to patients with PTSD in the near future will remain a challenge. However, by capitalizing on recent advances in the pharmacogenetics of antidepressants, precision psychiatry approaches can be leveraged to optimize the delivery of currently-available medications in a fraction of the time and cost required to develop novel therapeutics...
April 21, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29678443/high-frequency-stimulation-of-the-infralimbic-cortex-following-behavioral-suppression-of-ptsd-like-symptoms-prevents-symptom-relapse-in-mice
#5
Yassine Bentefour, Mohamed Bennis, René Garcia, Saadia Ba-M'hamed
BACKGROUND: We have previously demonstrated, in mice, that antidepressant treatment can prevent relapse of PTSD-like behaviors (avoidance, hyperarousal, and anxiety) through increased activation in the infralimbic cortex (IL) of the medial prefrontal cortex. OBJECTIVE: Here, we examined whether direct high-frequency stimulation (HFS) of the IL, provoking its heightened activation (i.e., long-term potentiation, LTP), would also prevent the return of PTSD-like symptoms...
April 10, 2018: Brain Stimulation
https://www.readbyqxmd.com/read/29659106/individual-treatment-selection-for-patients-with-posttraumatic-stress-disorder
#6
Anne-Katharina Deisenhofer, Jaime Delgadillo, Julian A Rubel, Jan R Böhnke, Dirk Zimmermann, Brian Schwartz, Wolfgang Lutz
BACKGROUND: Trauma-focused cognitive behavioral therapy (Tf-CBT) and eye movement desensitization and reprocessing (EMDR) are two highly effective treatment options for posttraumatic stress disorder (PTSD). Yet, on an individual level, PTSD patients vary substantially in treatment response. The aim of the paper is to test the application of a treatment selection method based on a personalized advantage index (PAI). METHOD: The study used clinical data for patients accessing treatment for PTSD in a primary care mental health service in the north of England...
April 16, 2018: Depression and Anxiety
https://www.readbyqxmd.com/read/29659102/initial-severity-and-antidepressant-efficacy-for-anxiety-disorders-obsessive-compulsive-disorder-and-posttraumatic-stress-disorder-an-individual-patient-data-meta-analysis
#7
Ymkje Anna de Vries, Annelieke M Roest, Johannes G M Burgerhof, Peter de Jonge
BACKGROUND: It has been suggested that antidepressant benefits are smaller for mild than severe depression. Because antidepressants are also used for anxiety disorders, obsessive-compulsive disorder (OCD), and posttraumatic stress disorder (PTSD), we examined the influence of severity for these disorders. METHODS: We used individual patient data of eight trials (3,430 participants) for generalized anxiety disorder (GAD); four trials (1,195 participants) for social anxiety disorder (SAD); four trials (1,132 participants) for OCD; three trials (1,071 participants) for PTSD; and 10 trials (2,151 participants) for panic disorder (PD)...
April 16, 2018: Depression and Anxiety
https://www.readbyqxmd.com/read/29642718/psychotropic-pharmacotherapy-associated-with-qt-prolongation-among-veterans-with-posttraumatic-stress-disorder
#8
Eileen M Stock, John E Zeber, Catherine J McNeal, Javier E Banchs, Laurel A Copeland
BACKGROUND: In 2012, the Food and Drug Administration issued Drug Safety Communications on several drugs associated with QT prolongation and fatal ventricular arrhythmias. Among these was citalopram, a selective serotonin reuptake inhibitor (SSRI) approved for depression and commonly used for posttraumatic stress disorder (PTSD). Evaluation of the risk for QT prolongation among other psychotropic drugs for individuals with PTSD remains limited. OBJECTIVE: Explore psychotropic drugs associated with QT prolongation among veterans with PTSD...
April 1, 2018: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/29594645/the-role-of-suboptimal-mitochondrial-function-in-vulnerability-to-post-traumatic-stress-disorder
#9
REVIEW
Graeme Preston, Faisal Kirdar, Tamas Kozicz
Post-traumatic stress disorder remains the most significant psychiatric condition associated with exposure to a traumatic event, though rates of traumatic event exposure far outstrip incidence of PTSD. Mitochondrial dysfunction and suboptimal mitochondrial function have been increasingly implicated in several psychopathologies, and recent genetic studies have similarly suggested a pathogenic role of mitochondria in PTSD. Mitochondria play a central role in several physiologic processes underlying PTSD symptomatology, including abnormal fear learning, brain network activation, synaptic plasticity, steroidogenesis, and inflammation...
March 28, 2018: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/29563072/d-serine-is-a-potential-biomarker-for-clinical-response-in-treatment-of-post-traumatic-stress-disorder-using-r-s-ketamine-infusion-and-timber-psychotherapy-a-pilot-study
#10
Basant Pradhan, Ludmil Mitrev, Ruin Moaddell, Irving W Wainer
Post-traumatic stress disorder (PTSD) is a chronic and debilitating condition that is often refractory to standard frontline antidepressant therapy. A promising new approach to PTSD therapy is administration of a single sub-anesthetic dose of (R,S)-ketamine (Ket). The treatment produces rapid and significant therapeutic response, which lasts for only 4-7 days. In one of our studies, the mean duration of response was increased to 33 days when Ket administration was combined with a mindfulness-based cognitive therapy, Trauma Interventions using Mindfulness Based Extinction and Reconsolidation (TIMBER)...
March 18, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29488138/intranasal-cotinine-plus-krill-oil-facilitates-fear-extinction-decreases-depressive-like-behavior-and-increases-hippocampal-calcineurin-a-levels-in-mice
#11
Nathalie Alvarez-Ricartes, Patricia Oliveros-Matus, Cristhian Mendoza, Nelson Perez-Urrutia, Florencia Echeverria, Alexandre Iarkov, George E Barreto, Valentina Echeverria
Failure in fear extinction is one of the more troublesome characteristics of posttraumatic stress disorder (PTSD). Cotinine facilitates fear memory extinction and reduces depressive-like behavior when administered 24 h after fear conditioning in mice. In this study, it was investigated the behavioral and molecular effects of cotinine, and other antidepressant preparations infused intranasally. Intranasal (IN) cotinine, IN krill oil, IN cotinine plus krill oil, and oral sertraline were evaluated on depressive-like behavior and fear retention and extinction after fear conditioning in C57BL/6 mice...
February 27, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29387781/ptsd-related-behavioral-traits-in-a-rat-model-of-blast-induced-mtbi-are-reversed-by-the-mglur2-3-receptor-antagonist-bci-838
#12
Georgina Perez-Garcia, Rita De Gasperi, Miguel A Gama Sosa, Gissel M Perez, Alena Otero-Pagan, Anna Tschiffely, Richard M McCarron, Stephen T Ahlers, Gregory A Elder, Sam Gandy
Battlefield blast exposure related to improvised explosive devices (IEDs) has become the most common cause of traumatic brain injury (TBI) in the recent conflicts in Iraq and Afghanistan. Mental health problems are common after TBI. A striking feature in the most recent veterans has been the frequency with which mild TBI (mTBI) and posttraumatic stress disorder (PTSD) have appeared together, in contrast to the classical situations in which the presence of mTBI has excluded the diagnosis of PTSD. However, treatment of PTSD-related symptoms that follow blast injury has become a significant problem...
January 2018: ENeuro
https://www.readbyqxmd.com/read/29360821/patterns-of-zolpidem-use-among-iraq-and-afghanistan-veterans-a-retrospective-cohort-analysis
#13
Ramona Shayegani, Kangwon Song, Megan E Amuan, Carlos A Jaramillo, Blessen C Eapen, Mary Jo Pugh
BACKGROUND: Although concern exists regarding the adverse effects and rate of zolpidem use, especially long-term use, limited information is available concerning patterns of zolpidem use. OBJECTIVE: To examine the prevalence and correlates of zolpidem exposure in Iraq and Afghanistan Veterans (IAVs). METHODS: A retrospective cohort study of zolpidem prescriptions was performed with National Veterans Health Administration (VHA) data. We gathered national VA inpatient, outpatient, and pharmacy data files for IAV's who received VA care between fiscal years (FY) 2013 and 2014...
2018: PloS One
https://www.readbyqxmd.com/read/29330217/a-systematic-review-of-network-meta-analyses-for-pharmacological-treatment-of-common-mental-disorders
#14
REVIEW
Taryn Williams, Dan J Stein, Jonathan Ipser
QUESTION: Network meta-analyses (NMAs) of treatment efficacy across different pharmacological treatments help inform clinical decision-making, but their methodological quality may vary a lot depending also on the quality of the included primary studies. We therefore conducted a systematic review of NMAs of pharmacological treatment for common mental disorders in order to assess the methodological quality of these NMAs, and to relate study characteristics to the rankings of efficacy and tolerability...
February 2018: Evidence-based Mental Health
https://www.readbyqxmd.com/read/29330035/harmine-enhances-gabaergic-transmission-onto-basoamygdala-projection-neurons-in-mice
#15
Wei-Zhu Liu, Bo-Wei Huang, Wen-Jie You, Ping Hu, Xue-Hui Wang, Jun-Yu Zhang, Xiao-Bin Xu, Zong-Yong Zhang, Bing-Xing Pan, Wen-Hua Zhang
Emerging evidence indicates that loss of inhibitory tone in amygdala with its subsequent overactivation contributes to the development of multiple mental disorders such as anxiety disorders and post-traumatic stress disorder (PTSD). Harmine is a member of natural β-carboline alkaloids which can readily cross the blood brain barrier and displays significant antidepressant and anxiolytic effects in rodents. However, the underlying neurobiological mechanisms are largely unknown. Here, by using whole-cell patch clamp recordings in in vitro amygdala slices, we examined the effect of harmine on glutamatergic and GABAergic transmission onto basal amygdala (BA) projection neurons (PNs)...
March 2018: Brain Research Bulletin
https://www.readbyqxmd.com/read/29299728/psychopharmacology-utilization-among-children-with-anxiety-and-obsessive-compulsive-and-related-disorders-following-hurricane-katrina
#16
Eric A Storch, Sean Gregory, Alison Salloum, Troy Quast
This study aimed to examine the impact of Hurricane Katrina exposure on medication utilization among children with pre-existing anxiety and obsessive-compulsive and related disorders (OCRDs). Medicaid claims data from 2004 to 2006 were analyzed. Children with pre-existing anxiety/OCRDs were compared as a function of those living in a Louisiana disaster area, Louisiana non-disaster area, or Texas in terms of filled prescriptions and average days medication supply. This was further examined as a function of disorder/medication type...
January 3, 2018: Child Psychiatry and Human Development
https://www.readbyqxmd.com/read/29161523/does-acute-propranolol-treatment-prevent-posttraumatic-stress-disorder-anxiety-and-depression-in-children-with-burns
#17
Laura Rosenberg, Marta Rosenberg, Sherri Sharp, Christopher R Thomas, Helen F Humphries, Charles E Holzer, David N Herndon, Walter J Meyer
OBJECTIVE: This study examined whether acute propranolol treatment prevented posttraumatic stress disorder (PTSD), anxiety, and depression in children hospitalized in the pediatric intensive care unit for large burns. We hypothesized that the prevalence of PTSD, anxiety, and depression would be significantly less in the propranolol than nonpropranolol groups. METHODS: Children who had previously participated in a randomized controlled clinical trial of acute propranolol and nonpropranolol controls were invited to participate in long-term follow-up interviews...
March 2018: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/29151192/impact-of-oral-ketamine-augmentation-on-hospital-admissions-in-treatment-resistant-depression-and-ptsd-a-retrospective-study
#18
John Hartberg, Simone Garrett-Walcott, Angelo De Gioannis
RATIONALE: Depressive episodes are the leading cause of mental health-related hospital admissions in Australia, and 44% of those admitted have a previous history of hospitalisations for depression (Admitted patient mental health-related care: (Australian Institute of Health and Welfare Aust Hospital Stat 2011-12, 2013). Despite numerous available antidepressant treatments, many patients do not respond to conventional therapy, having what is called 'treatment resistance' (Fava Biol Psychiatry 53:649-659, 2003)...
February 2018: Psychopharmacology
https://www.readbyqxmd.com/read/29107895/evaluating-the-protective-effect-of-etazolate-on-memory-impairment-anxiety-and-depression-like-behaviors-induced-by-post-traumatic-stress-disorder
#19
Karem H Alzoubi, Zeinab Y Al Subeh, Omar F Khabour
Post-traumatic stress disorder (PTSD) is a neuropsychiatric disorder that develops after an individual experiences severe life-threatening traumatic stress. Etazolate is a selective phosphodiesterase-4 inhibitor that is specific for cAMP. Etazolate showed anxiolytic and antidepressant activity, and could be useful in managing PTSD co-morbidities. The current study was done to evaluate the role of etazolate in preventing PTSD induced memory impairment, anxiety and depression-like symptoms. PTSD was induced in rats using single prolonged stress model...
November 3, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/29018563/pharmacotherapy-of-post-traumatic-stress-disorder-going-beyond-the-guidelines
#20
EDITORIAL
Jonathan Davidson
SUMMARY: This article discusses the study of Harpaz-Rotem and associates, who examined patterns of medication use in first-diagnosed veterans with post-traumatic stress disorder (PTSD). It considers the difference between practice guidelines and actual prescribing; selectively identifies issues with antidepressants, antipsychotics, benzodiazepines and prazosin; and reviews the possible impact of new medications in the pipeline. DECLARATION OF INTERESTS: In the past 36 months, J...
November 2016: BJPsych Open
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