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https://www.readbyqxmd.com/read/29150633/ketamine-s-antidepressant-effect-is-mediated-by-energy-metabolism-and-antioxidant-defense-system
#1
Katja Weckmann, Michael J Deery, Julie A Howard, Renata Feret, John M Asara, Frederik Dethloff, Michaela D Filiou, Jamie Iannace, Christiana Labermaier, Giuseppina Maccarrone, Christian Webhofer, Larysa Teplytska, Kathryn Lilley, Marianne B Müller, Christoph W Turck
Fewer than 50% of all patients with major depressive disorder (MDD) treated with currently available antidepressants (ADs) show full remission. Moreover, about one third of the patients suffering from MDD does not respond to conventional ADs and develop treatment-resistant depression (TRD). Ketamine, a non-competitive, voltage-dependent N-Methyl-D-aspartate receptor (NMDAR) antagonist, has been shown to have a rapid antidepressant effect, especially in patients suffering from TRD. Hippocampi of ketamine-treated mice were analysed by metabolome and proteome profiling to delineate ketamine treatment-affected molecular pathways and biosignatures...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29146474/a-systematic-review-and-meta-analysis-of-deep-brain-stimulation-in-treatment-resistant-depression
#2
Chanjuan Zhou, Hanping Zhang, Yinhua Qin, Tian Tian, Bing Xu, Jianjun Chen, Xinyu Zhou, Li Zeng, Liang Fang, Xunzhong Qi, Bin Lian, Haiyang Wang, Zicheng Hu, Peng Xie
BACKGROUND: Deep brain stimulation (DBS) has been applied in treatment-resistant depression (TRD) as a putative intervention targeting different brain regions. However, the antidepressant effects of DBS for TRD in recent clinical trials remain controversial. METHODS: We searched Scopus, EMBASE, the Cochrane Library, PubMed, and PsycINFO for all published studies investigating the efficacy of DBS in TRD up to Feb 2017. Hamilton depression rating scale (HDRS) scores and Montgomery-Asberg depression rating scale (MARDS) scores were compared between baseline levels and those after DBS using the standardized mean difference (SMD) with 95% confidence intervals (CIs)...
November 13, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29143405/cost-effectiveness-modeling-of-repetitive-transcranial-magnetic-stimulation-compared-to-electroconvulsive-therapy-for-treatment-resistant-depression-in-singapore
#3
Ying Jiao Zhao, Phern Chern Tor, Ai Leng Khoo, Monica Teng, Boon Peng Lim, Yee Ming Mok
BACKGROUND: Compared to electroconvulsive therapy (ECT), the cost-effectiveness of repetitive transcranial magnetic stimulation (rTMS) in the management of treatment-resistant depression (TRD) remains unclear. OBJECTIVE/HYPOTHESIS: This study evaluated the cost-effectiveness of rTMS vs. ECT for TRD from Singapore societal perspective. METHODS: We constructed a Markov model to project the cost and benefit of rTMS compared with ECT over one year in patients with TRD...
November 16, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29138992/use-of-ketamine-in-elderly-patients-with-treatment-resistant-depression
#4
REVIEW
Carolina Medeiros da Frota Ribeiro, Patricio Riva-Posse
PURPOSE OF REVIEW: The purpose of this paper is to provide a review of the use of ketamine as an antidepressant for treatment-resistant depression (TRD) in the geriatric population. Available treatment options for late-life treatment-resistant depression are limited and include electroconvulsive therapy and transcranial magnetic stimulation as well as possible pharmacologic augmentation. Ketamine has been shown to be a promising treatment in TRD; however, data regarding the use of ketamine in the elderly includes only five case reports...
November 15, 2017: Current Psychiatry Reports
https://www.readbyqxmd.com/read/29133665/a-rare-case-of-bilateral-tractional-retinal-detachment-following-snakebite
#5
Nicey Roy Thomas, Debmalya Das, Kumar Saurabh, Rupak Roy
A 13-year-old female presented with diminution of vision in both eyes for 3 months following snakebite. Best-corrected visual acuities were hand movement in both eyes. Fundoscopy showed vitreous hemorrhage, and B-scan ultrasonography revealed an underlying tractional retinal detachment (TRD) involving the macula in both eyes. Patient underwent 25-gauge pars plana vitrectomy in conjunction with belt buckling, endolaser, and silicone oil tamponade in the left eye. At 6 weeks postoperatively, best-corrected visual acuity of the left eye was noted to be 20/200 with settled TRD and attached retina...
November 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29103192/lipid-peroxidation-and-immune-biomarkers-are-associated-with-major-depression-and-its-phenotypes-including-treatment-resistant-depression-and-melancholia
#6
Magdalena Sowa-Kućma, Krzysztof Styczeń, Marcin Siwek, Paulina Misztak, Rafał J Nowak, Dominika Dudek, Janusz K Rybakowski, Gabriel Nowak, Michael Maes
To examine immune-inflammatory and oxidative (I&O) biomarkers in major depression (MDD) and its related phenotypes, we recruited 114 well-phenotyped depressed patients and 50 healthy controls and measured serum levels of interleukin (IL)-1α, soluble IL-1 receptor antagonist (sIL-1RA), soluble IL-2 receptor (sIL-2R), soluble IL-6 receptor (sIL-6R), soluble tumor necrosis factor receptor 60 and 80 kDa (sTNF-R1/R2), and thiobarbituric acid reactive substances (TBARS). Obtained results indicate that MDD is characterized by increased sIL-1RA, sTNF-R1, and TBARS concentrations...
November 4, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/29063521/blunted-amygdala-activity-is-associated-with-depression-severity-in-treatment-resistant-depression
#7
Jamie Ferri, Stuart J Eisendrath, Susanna L Fryer, Erin Gillung, Brian J Roach, Daniel H Mathalon
Up to 50% of individuals with major depressive disorder (MDD) do not recover after two antidepressant medication trials, and therefore meet the criteria for treatment-resistant depression (TRD). Mindfulness-based cognitive therapy (MBCT) is one promising treatment; however, the extent to which MBCT influences clinical outcomes relative to baseline neural activation remains unknown. In the present study we investigated baseline differences in amygdala activation between TRD patients and healthy controls (HCs), related amygdala activation to depression symptoms, and examined the impacts of MBCT and amygdala activation on longitudinal depression outcomes...
October 23, 2017: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/29041878/-influence-of-sympathetic-denervation-of-the-renal-artery-on-the-level-of-arterial-blood-pressure-cerebral-blood-flow-and-cognitive-function-in-patients-with-resistant-arterial-hypertension
#8
Y N Efimova, A V Lichikaki, B Y Lishmanov
PURPOSE: To study the effect of radiofrequency ablation of renal arteries on regional cerebral blood flow and cognitive function in patients with resistant arterial hypertension (AH). MATERIAL AND METHODS: Transcatheter renal denervation (TRD) was performed in 17 patients with resistant AH. Examination before and after TRD included SPECT with mTc-HMPAO, 24-hours blood pressure (BP) monitoring, and comprehensive neuropsychological testing. Fifteen patients without angiographic signs of carotid atherosclerosis, coronary artery disease and AH, neurological and psychiatric disorders were investigated as control group...
July 2017: Kardiologiia
https://www.readbyqxmd.com/read/29034354/prefrontal-connectivity-and-glutamate-transmission-relevance-to-depression-pathophysiology-and-ketamine-treatment
#9
Chadi G Abdallah, Christopher L Averill, Ramiro Salas, Lynnette A Averill, Philip R Baldwin, John H Krystal, Sanjay J Mathew, Daniel H Mathalon
BACKGROUND: Prefrontal global brain connectivity with global signal regression (GBCr) was proposed as a robust biomarker of depression, and was associated with ketamine's mechanism of action. Here, we investigated prefrontal GBCr in treatment-resistant depression (TRD) at baseline and following treatment. Then, we conducted a set of pharmacological challenges in healthy subjects to investigate the glutamate neurotransmission correlates of GBCr. METHODS: In study A, we used functional magnetic resonance imaging (fMRI) to compare GBCr between 22 TRD and 29 healthy control...
October 2017: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/29030624/psilocybin-for-treatment-resistant-depression-fmri-measured-brain-mechanisms
#10
Robin L Carhart-Harris, Leor Roseman, Mark Bolstridge, Lysia Demetriou, J Nienke Pannekoek, Matthew B Wall, Mark Tanner, Mendel Kaelen, John McGonigle, Kevin Murphy, Robert Leech, H Valerie Curran, David J Nutt
Psilocybin with psychological support is showing promise as a treatment model in psychiatry but its therapeutic mechanisms are poorly understood. Here, cerebral blood flow (CBF) and blood oxygen-level dependent (BOLD) resting-state functional connectivity (RSFC) were measured with functional magnetic resonance imaging (fMRI) before and after treatment with psilocybin (serotonin agonist) for treatment-resistant depression (TRD). Quality pre and post treatment fMRI data were collected from 16 of 19 patients. Decreased depressive symptoms were observed in all 19 patients at 1-week post-treatment and 47% met criteria for response at 5 weeks...
October 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29030111/double-blind-proof-of-concept-poc-trial-of-low-field-magnetic-stimulation-lfms-augmentation-of-antidepressant-therapy-in-treatment-resistant-depression-trd
#11
Maurizio Fava, Marlene P Freeman, Martina Flynn, Bettina B Hoeppner, Richard Shelton, Dan V Iosifescu, James W Murrough, David Mischoulon, Cristina Cusin, Mark Rapaport, Boadie W Dunlop, Madhukar H Trivedi, Manish Jha, Gerard Sanacora, Gretchen Hermes, George I Papakostas
BACKGROUND: Low-Field Magnetic Stimulation (LFMS) is a novel, non-invasive, sub-threshold neuromodulation technique, shown in preliminary studies to have immediate mood elevating effects in both unipolar and bipolar depressed patients. OBJECTIVE: We aimed to assess the antidepressant augmentation effects at 48 h of LFMS administered on two consecutive days compared to sham treatment in treatment resistant depression (TRD) subjects, using the Sequential Parallel Comparison Design (SPCD)...
September 23, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/28989100/pleiotropic-genes-in-psychiatry-calcium-channels-and-the-stress-related-fkbp5-gene-in-antidepressant-resistance
#12
Chiara Fabbri, Filippo Corponi, Diego Albani, Ilaria Raimondi, Gianluigi Forloni, Koen Schruers, Siegfried Kasper, Alexander Kautzky, Joseph Zohar, Daniel Souery, Stuart Montgomery, Carlotta Pia Cristalli, Vilma Mantovani, Julien Mendlewicz, Alessandro Serretti
A candidate gene and a genome-wide approach were combined to study the pharmacogenetics of antidepressant response and resistance. Investigated genes were selected on the basis of pleiotropic effect across psychiatric phenotypes in previous genome-wide association studies and involvement in antidepressant response. Three samples with major depressive disorder (total=671) were genotyped for 44 SNPs in 8 candidate genes (CACNA1C, CACNB2, ANK3, GRM7, TCF4, ITIH3, SYNE1, FKBP5). Phenotypes were response/remission after 4weeks of treatment and treatment-resistant depression (TRD)...
October 6, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28968416/complications-of-stent-placement-in-patients-with-esophageal-cancer-a-systematic-review-and-network-meta-analysis
#13
REVIEW
Amin Doosti-Irani, Mohammad Ali Mansournia, Abbas Rahimi-Foroushani, Peiman Haddad, Kourosh Holakouie-Naieni
BACKGROUND: Palliative treatments and stents are necessary for relieving dysphagia in patients with esophageal cancer. The aim of this study was to simultaneously compare available treatments in terms of complications. METHODS: Web of Science, Medline, Scopus, Cochrane Library and Embase were searched. Statistical heterogeneity was assessed using the Chi2 test and was quantified by I2. The results of this study were summarized in terms of Risk Ratio (RR). The random effects model was used to report the results...
2017: PloS One
https://www.readbyqxmd.com/read/28954811/preclinical-characterization-of-r-3-3s-4s-3-fluoro-4-4-hydroxyphenyl-piperidin-1-yl-1-4-methylbenzyl-pyrrolidin-2-one-bms-986169-a-novel-intravenous-glutamate-n-methyl-d-aspartate-2b-glun2b-receptor-negative-allosteric-modulator-with-potential-in-major-depressive
#14
Linda J Bristow, Jyoti Gulia, Michael R Weed, Bettadapura N Srikumar, Yu-Wen Li, John D Graef, Pattipati S Naidu, Charulatha Sanmathi, Jayant Aher, Tanmaya Bastia, Mahesh Paschapur, Narasimharaju Kalidindi, Kuchibholta Vijaya Kumar, Thaddeus Molski, Rick Pieschl, Alda Fernandes, Jeffrey M Brown, Digavalli V Sivarao, Kimberly Newberry, Mark Bookbinder, Joseph Polino, Deborah Keavy, Amy Newton, Eric Shields, Jean Simmermacher, James Kempson, Jianqing Li, Huiping Zhang, Arvind Mathur, Raja Reddy Kallem, Meenakshee Sinha, Manjunath Ramarao, Reeba K Vikramadithyan, Srinivasan Thangathirupathy, Jayakumar Warrier, Joanne J Bronson, Richard E Olson, John E Macor, Charlie F Albright, Dalton King, Lorin A Thompson, Lawrence R Marcin, Michael Sinz
(R)-3-((3S,4S)-3-fluoro-4-(4-hydroxyphenyl)piperidin-1-yl)-1-(4-methylbenzyl)pyrrolidin-2-one (BMS-986169), and the phosphate prodrug (BMS-986163), were identified from a drug discovery effort focused on the development of novel, intravenous, glutamate N-methyl-D-aspartate 2B receptor (GluN2B) negative allosteric modulators for treatment resistant depression (TRD). BMS-986169 showed high binding affinity for the GluN2B subunit allosteric modulatory site (Ki = 4.03-6.3 nM) and selectively inhibited GluN2B receptor function in Xenopus oocytes expressing human N-methyl-D-aspartate receptor subtypes (IC50 = 24...
September 27, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28922734/persistent-antidepressant-effect-of-low-dose-ketamine-and-activation-in-the-supplementary-motor-area-and-anterior-cingulate-cortex-in-treatment-resistant-depression-a-randomized-control-study
#15
Mu-Hong Chen, Cheng-Ta Li, Wei-Chen Lin, Chen-Jee Hong, Pei-Chi Tu, Ya-Mei Bai, Chih-Ming Cheng, Tung-Ping Su
A single low-dose ketamine infusion exhibited a rapid antidepressant effect within 1h. Despite its short biological half-life (approximately 3h), the antidepressant effect of ketamine has been demonstrated to persist for several days. However, changes in brain function responsible for the persistent antidepressant effect of a single low-dose ketamine infusion remain unclear METHODS: Twenty-four patients with treatment-resistant depression (TRD) were randomized into three groups according to the treatment received: 0...
January 1, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28911960/characterization-of-the-adrenocorticotrophic-hormone-induced-mouse-model-of-resistance-to-antidepressant-drug-treatment
#16
Bettadapura N Srikumar, Mahesh Paschapur, Narasimharaju Kalidindi, Bharath Adepu, Manish L Das, Muppana V Sreedhara, Vijaya K Kuchibhotla, Rick L Pieschl, Yu-Wen Li, Durga Shiva Prasad Ega, Justin V Louis, Senthilkumar Murugesan, Pattipati S Naidu, Manjunath Ramarao, Linda J Bristow, Reeba K Vikramadithyan
Approximately 30-60% of patients treated with existing antidepressants fail to achieve remission of depressive symptoms leading to Treatment Resistant Depression (TRD). There is an urgent need to develop novel medications, which is highly limited by the non-availability of relevant animal models with good predictive validity. ACTH administration has been shown to result in the resistance to acute and chronic effects of imipramine. However, the pharmacology of the model and the mechanisms contributing to the resistance are not completely understood...
October 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28906325/antidepressant-combination-versus-antidepressants-plus-second-generation-antipsychotic-augmentation-in-treatment-resistant-unipolar-depression
#17
Gabriella Gobbi, Maykel F Ghabrash, Nicolas Nuñez, John Tabaka, Jessica Di Sante, Marie Saint-Laurent, Stephen Vida, Theodore Kolivakis, Nancy Low, Pablo Cervantes, Linda Booij, Stefano Comai
Patients with treatment-resistant unipolar depression (TRD) are treated with antidepressant combinations (ADs) or with second-generation antipsychotics plus AD (SGA+AD) augmentation; however, the clinical characteristics, the factors associated independently with response to SGA+AD, and the outcome trajectories have not yet been characterized. We performed a naturalistic study on the latest stable trial (medication unchanged for about 3 months) in 86 TRD patients with resistance to at least two ADs trials, who received ADs (n=36) or SGA+AD (n=50) treatments...
September 12, 2017: International Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28860343/antigen-receptor-sequencing-of-paired-bone-marrow-samples-shows-homogeneous-distribution-of-acute-lymphoblastic-leukemia-subclones
#18
Prisca M J Theunissen, David van Zessen, Andrew P Stubbs, Malek Faham, Christian M Zwaan, Jacques J M van Dongen, Vincent H J Van Der Velden
In B-cell precursor acute lymphoblastic leukemia, the initial leukemic cells share the same antigen receptor gene rearrangements. However, due to ongoing rearrangement processes, leukemic cells with different gene rearrangement patterns can develop, resulting in subclone formation. We studied leukemic subclones and their distribution in the bone marrow and peripheral blood at diagnosis. Antigen receptor gene rearrangements (IGH, IGK, TRG, TRD, TRB) were analyzed by next-generation sequencing in seven paired bone marrow samples and five paired bone marrow-peripheral blood samples...
November 2017: Haematologica
https://www.readbyqxmd.com/read/28858062/retinal-detachment-surgery-in-a-pediatric-population-visual-and-anatomic-outcomes
#19
Sarah P Read, Hassan A Aziz, Ajay Kuriyan, Nikisha Kothari, Janet L Davis, William E Smiddy, Harry W Flynn, Timothy G Murray, Audina Berrocal
PURPOSE: Pediatric retinal detachments (RDs) are unique in etiology, anatomy, and prognosis compared with the adult population. The mechanisms of pediatric RD include tractional (TRD), rhegmatogenous retinal detachment, traumatic, and other types, such as exudative or hemorrhagic. This study examined visual and anatomical outcomes of pediatric RD undergoing surgical repair at a single university referral center. METHODS: A retrospective consecutive case series of patients clinically diagnosed and undergoing surgery for RD between birth and 15 years of age from 2002 to 2013 at a single academic institution...
August 28, 2017: Retina
https://www.readbyqxmd.com/read/28844559/a-randomized-sham-controlled-study-of-maintenance-rtms-for-treatment-resistant-depression-trd
#20
René Benadhira, Fanny Thomas, Noomane Bouaziz, Sonia Braha, Palmyre Schenin-King Andrianisaina, Clémence Isaac, Virginie Moulier, Dominique Januel
A few open-labeled studies have investigated the use of maintenance rTMS to prevent relapse for treatment-resistant depression (TRD) after rTMS treatment. We aim to assess the benefits of maintenance rTMS treatment for TRD patients who respond to rTMS treatment using a randomized, double-blind controlled design. Fifty eight TRD patients received rTMS over one month in an open-labeled design study (phase I). Responder patients were then randomized into active and sham high-frequency rTMS groups for the subsequent eleven months (phase II)...
December 2017: Psychiatry Research
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