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https://www.readbyqxmd.com/read/28933261/pharmacological-treatment-of-cognitive-symptoms-in-major-depressive-disorder
#1
Zihang Pan, Radu C Grovu, Danielle S Cha, Nicole E Carmona, Mehala Subramaniapillai, Margarita Shekotikhina, Carola Rong, Yena Lee, Roger S McIntyre
: Background: Cognitive dysfunction is a core transdiagnostic domain of Major Depressive Disorder (MDD) and is a principal determinant of functional recovery. However, it has been insufficiently targeted within the current therapeutic framework for MDD. OBJECTIVE: To highlight these unmet cognitive needs in MDD. METHODS: An article search was conducted using PubMed from inception to November 2016: Major Depressive Disorder (and/or variant) was cross-referenced with the following terms: antidepressants, augmentation, cognition, cognitive deficits, cognitive dysfunction, functional outcomes, mechanism of action, and treatment...
September 18, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/28929323/what-type-and-dose-of-antidepressants-are-cancer-and-non-cancer-inpatients-being-prescribed-a-retrospective-case-control-study-at-an-australian-tertiary-hospital
#2
Saira Sanjida, Kelly Mulvogue, Joanne Shaw, Jeremy Couper, David Kissane, Sallie-Anne Pearson, Melanie A Price, Monika Janda
PURPOSE: Cancer patients are often prescribed antidepressants, but little data is available about whether the type and dose are similar to prescriptions to patients with other chronic diseases. This study compared the prescription practices of antidepressants to cancer and non-cancer inpatients at a major Australian tertiary hospital and assessed side effects and potential drug-drug interactions. METHODS: Inpatients diagnosed with cancer within the past 12 months and prescribed antidepressants were age and gender matched to inpatients with other chronic disease conditions...
September 19, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28925884/prevention-and-treatment-for-chemotherapy-induced-peripheral-neuropathy-therapies-based-on-cipn-mechanisms
#3
Lang-Yue Hu, Wen-Li Mi, Gen-Cheng Wu, Yan-Qing Wang, Qi-Liang Mao-Ying
BACKGROUND: Chemotherapy-induced peripheral neuropathy (CIPN) is a progressive, enduring, and often irreversible adverse effect of many antineoplastic agents, among which sensory abnormities are common and the most suffering issues. The pathogenesis of CIPN has not been completely understood, and strategies for CIPN prevention and treatment are still open problems for medicine. OBJECTIVES: The objective of this paper is to review the mechanism-based therapies against sensory abnormities in CIPN...
September 15, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28919811/response-to-duloxetine-in-chronic-low-back-pain-exploratory-post-hoc-analysis-of-a-japanese-phase-iii-randomized-study
#4
Toshinaga Tsuji, Naohiro Itoh, Mitsuhiro Ishida, Toshimitsu Ochiai, Shinichi Konno
PURPOSE: Duloxetine is efficacious for chronic low back pain (CLBP). This post hoc analysis of a Japanese randomized, placebo-controlled trial (ClinicalTrials.gov, NCT01855919) assessed whether patients with CLBP with early pain reduction or treatment-related adverse events of special interest (TR-AESIs; nausea, somnolence, constipation) have enhanced responses to duloxetine. PATIENTS AND METHODS: Patients (N = 456) with CLBP for ≥6 months and Brief Pain Inventory (BPI) average pain severity score of ≥4 were randomized (1:1) to duloxetine 60 mg/day or placebo for 14 weeks...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28911960/characterization-of-the-adrenocorticotrophic-hormone-induced-mouse-model-of-resistance-to-antidepressant-drug-treatment
#5
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...
September 11, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28905186/antidepressants-inhibit-nav1-3-nav1-7-and-nav1-8-neuronal-voltage-gated-sodium-channels-more-potently-than-nav1-2-and-nav1-6-channels-expressed-in-xenopus-oocytes
#6
Takafumi Horishita, Nobuyuki Yanagihara, Susumu Ueno, Dan Okura, Reiko Horishita, Tomoko Minami, Yuichi Ogata, Yuka Sudo, Yasuhito Uezono, Takeyoshi Sata, Takashi Kawasaki
Tricyclic antidepressants (TCAs) and duloxetine are used to treat neuropathic pain. However, the mechanisms underlying their analgesic effects remain unclear. Although many investigators have shown inhibitory effects of antidepressants on voltage-gated sodium channels (Nav) as a possible mechanism of analgesia, to our knowledge, no one has compared effects on the diverse variety of sodium channel α subunits. We investigated the effects of antidepressants on sodium currents in Xenopus oocytes expressing Nav1...
September 14, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28903107/dose-escalation-of-antidepressants-in-unipolar-depression-a-meta-analysis-of-double-blind-randomized-controlled-trials
#7
Markus Dold, Lucie Bartova, Rainer Rupprecht, Siegfried Kasper
BACKGROUND: As many patients with unipolar depression do not respond sufficiently to initial antidepressant monotherapy, a dose increase of the current administered antidepressant (dose escalation, high-dose treatment) is frequently carried out as next treatment measure. METHODS: We conducted a meta-analysis which included all double-blind randomized controlled trials (RCTs) comparing a dose increase of antidepressants directly to continuation of standard-dose treatment in unipolar depressive patients who were non- responders to standard-dose pharmacotherapy...
September 14, 2017: Psychotherapy and Psychosomatics
https://www.readbyqxmd.com/read/28894590/trpa1-channel-mediates-organophosphate-induced-delayed-neuropathy
#8
Qiang Ding, Sui Fang, Xueqin Chen, Youxin Wang, Jian Li, Fuyun Tian, Xiang Xu, Bernard Attali, Xin Xie, Zhaobing Gao
The organophosphate-induced delayed neuropathy (OPIDN), often leads to paresthesias, ataxia and paralysis, occurs in the late-stage of acute poisoning or after repeated exposures to organophosphate (OP) insecticides or nerve agents, and may contribute to the Gulf War Syndrome. The acute phase of OP poisoning is often attributed to acetylcholinesterase inhibition. However, the underlying mechanism for the delayed neuropathy remains unknown and no treatment is available. Here we demonstrate that TRPA1 channel (Transient receptor potential cation channel, member A1) mediates OPIDN...
2017: Cell Discovery
https://www.readbyqxmd.com/read/28893757/effectiveness-and-cost-effectiveness-of-duloxetine-added-to-usual-care-for-patients-with-chronic-pain-due-to-hip-or-knee-osteoarthritis-protocol-of-a-pragmatic-open-label-cluster-randomised-trial-the-duo-trial
#9
Jacoline J van den Driest, Dieuwke Schiphof, Pim A J Luijsterburg, Aafke R Koffeman, Marc A Koopmanschap, Patrick J E Bindels, Sita M A Bierma-Zeinstra
INTRODUCTION: Osteoarthritis (OA) is a highly prevalent painful condition of the musculoskeletal system. The effectiveness of current analgesic options has proven to be limited and improved analgesic treatment is needed. Several randomised placebo-controlled trials have now demonstrated the efficacy of duloxetine, an antidepressant with a centrally acting effect, in the treatment of OA pain. The aim of the current study is to investigate if duloxetine is effective and cost-effective as a third-choice analgesic added to usual care for treating chronic pain compared with usual care alone in general practice...
September 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28859883/analgesic-effects-of-novel-lysophosphatidic-acid-receptor-5-antagonist-as2717638-in-rodents
#10
Nobuhito Murai, Hideki Hiyama, Tetsuo Kiso, Toshihiro Sekizawa, Tomonari Watabiki, Hiromasa Oka, Toshiaki Aoki
Lysophosphatidic acid (LPA) is a bioactive lipid that acts via at least six G protein-coupled receptors, LPA receptors 1-6 (LPA1-6), for various physiological functions. We examined (1) whether LPA5 is involved in pain signaling in the spinal cord; and (2) the pharmacological effects of a novel LPA5 antagonist on intrathecal prostaglandin (PG)- and (S)-α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA)-induced allodynia, and neuropathic and inflammatory pain in rodents. Intrathecal injection of a selective LPA5 agonist, geranylgeranyl diphosphate, and a non-selective agonist, LPA, induced allodynia in wild type, but not in LPA5 knockout mice...
August 30, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28857654/effects-of-antidepressant-therapy-on-neural-components-of-verbal-working-memory-in-depression
#11
Anjali Sankar, Tracey M Adams, Sergi G Costafreda, Lauren B Marangell, Cynthia Hy Fu
Impairments in verbal working memory are evident in major depression. Verbal working memory is comprised of the components of encoding, maintenance and retrieval. Whether the neural impairments are expressed in specific components, and how pharmacological therapy could modify the neural correlates are not well understood. We investigated the neural correlates of verbal working memory components in depression using the Sternberg task in a longitudinal magnetic resonance imaging study. Serial scans were acquired in 23 patients (mean age 39...
August 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28851798/study-protocol-for-a-multi-institutional-randomised-double-blinded-placebo-controlled-phase-iii-trial-investigating-additive-efficacy-of-duloxetine-for-neuropathic-cancer-pain-refractory-to-opioids-and-gabapentinoids-the-direct-study
#12
Hiromichi Matsuoka, Hiroto Ishiki, Satoru Iwase, Atsuko Koyama, Takashi Kawaguchi, Yoshiyuki Kizawa, Tatsuya Morita, Yoshinobu Matsuda, Tempei Miyaji, Keisuke Ariyoshi, Takuhiro Yamaguchi
INTRODUCTION: Management of patients with cancer suffering from neuropathic pain refractory to opioids and gabapentinoids remains an important challenge. Duloxetine is one of the choices after first-line treatment fails. The efficacy of duloxetine has been reported in patients with non-cancer disease and in chemotherapy-induced peripheral neuropathy, but no randomised clinical trials have examined its effects on neuropathic cancer pain refractory to first-line treatment. The objective of this study is to assess the analgesic efficacy of duloxetine in patients suffering from neuropathic cancer pain refractory to opioids and gabapentinoids...
August 28, 2017: BMJ Open
https://www.readbyqxmd.com/read/28833461/melatonin-limits-paclitaxel-induced-mitochondrial-dysfunction-in-vitro-and-protects-against-paclitaxel-induced-neuropathic-pain-in-the-rat
#13
Helen F Galley, Barry McCormick, Kirsten L Wilson, Damon A Lowes, Lesley Colvin, Carole Torsney
Chemotherapy-induced neuropathic pain is a debilitating and common side effect of cancer treatment. Mitochondrial dysfunction associated with oxidative stress in peripheral nerves has been implicated in the underlying mechanism. We investigated the potential of melatonin, a potent antioxidant that preferentially acts within mitochondria, to reduce mitochondrial damage and neuropathic pain resulting from the chemotherapeutic drug paclitaxel. In vitro, paclitaxel caused a 50% reduction of mitochondrial membrane potential and metabolic rate, independent of concentration (20-100μM)...
August 22, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28831260/an-observational-study-of-duloxetine-versus-ssri-monotherapy-in-japanese-patients-with-major-depressive-disorder-subgroup-analyses-of-treatment-effectiveness-for-pain-depressive-symptoms-and-quality-of-life
#14
Atsushi Kuga, Toshinaga Tsuji, Shinji Hayashi, Shinji Fujikoshi, Hirofumi Tokuoka, Aki Yoshikawa, Rodrigo Escobar, Kazuhide Tanaka, Takaharu Azekawa
OBJECTIVE: To examine how clinical and demographic patient baseline characteristics influence effectiveness of duloxetine versus selective serotonin reuptake inhibitor (SSRI) treatment, in real-world Japanese clinical settings of patients with major depressive disorder (MDD) and associated painful physical symptoms (PPS). METHODS: This was a multicenter, 12-week, prospective, observational study in patients with MDD (Quick Inventory of Depressive Symptomatology ≥16) and at least moderate PPS (Brief Pain Inventory-Short Form [BPI-SF] average pain ≥3)...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28831259/an-observational-study-of-duloxetine-versus-ssri-monotherapy-for-the-treatment-of-painful-physical-symptoms-in-japanese-patients-with-major-depressive-disorder-primary-analysis
#15
Atsushi Kuga, Toshinaga Tsuji, Shinji Hayashi, Mako Matsubara, Shinji Fujikoshi, Hirofumi Tokuoka, Aki Yoshikawa, Rodrigo Escobar, Kazuhide Tanaka, Takaharu Azekawa
OBJECTIVE: The objective of this study was to assess the effectiveness of duloxetine monotherapy, in comparison with selective serotonin reuptake inhibitor (SSRI) monotherapy, in the treatment of painful physical symptoms (PPS) in Japanese patients with major depressive disorder (MDD) in real-world clinical settings. METHODS: This was a multicenter, 12-week prospective, observational study. This study enrolled MDD patients with at least moderate PPS, defined as a Brief Pain Inventory-Short Form (BPI-SF) average pain score (item 5) ≥3...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28827861/the-prospective-24-week-assessment-of-cost-efficacy-of-and-compliance-to-antidepressant-medications-in-a-rural-setting-pacecar-study
#16
T S Sathyanarayana Rao, J Shivanand Manohar, Rajesh Raman, M S Darshan, Abhinav Tandon, K N Karthik, N Saraswathi, Keya Das, G T Harsha, Swetha Patil Kunkeri, Chittaranjan Andrade
BACKGROUND: Anxiety and depression are common mental health disorders that are responsible for considerable societal burden. There are no data on cost-efficacy and medication compliance related to the treatment of these disorders in rural India. MATERIALS AND METHODS: All consenting adults (n = 455) diagnosed with generalized anxiety or (unipolar) depressive disorders in Suttur village, Karnataka, were treated with open-label fluoxetine (20-60 mg/day), sertraline (50-150 mg/day), escitalopram (10-20 mg/day), desvenlafaxine (50-150 mg/day), duloxetine (30-90 mg/day), amitriptyline (75-150 mg/day), or clomipramine (75-150 mg/day) in a structured, monotherapy dosing plan...
April 2017: Indian Journal of Psychiatry
https://www.readbyqxmd.com/read/28803957/a-standardization-of-the-novelty-suppressed-feeding-test-protocol-in-rats
#17
Arantxa Blasco-Serra, Eva M González-Soler, Ana Cervera-Ferri, Vicent Teruel-Martí, Alfonso A Valverde-Navarro
Tests based on hyponeophagia phenomena are the most widely used to check the efficacy and efficiency of new-generation chronic antidepressant treatments. Even so, these tests lack strict consensus about their methodology, which reduces their validity, reproducibility and makes translatability difficult. Therefore, after an extensive literature review on this subject, we propose a methodological protocol for the Novelty-Suppressed Feeding Test to normalize this situation. Animals were induced to a reserpine-induced depression model and were then chronically treated with duloxetine, desvenlafaxine or vehicle...
August 10, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28797602/venlafaxine-exerts-antidepressant-effects-possibly-by-activating-mapk-erk1-2-and-p13k-akt-pathways-in-the-hippocampus
#18
Peng Shen, Qingchuan Hu, Meixue Dong, Shunjie Bai, Zihong Liang, Zhi Chen, Pengfei Li, Zicheng Hu, Xiaogang Zhong, Dan Zhu, Haiyang Wang, Peng Xie
Serotonin noradrenaline reuptake inhibitors are effective antidepressant drugs, which include venlafaxine and duloxetine. Venlafaxine is commonly used in a clinical context, but the molecular biological mechanisms behind its effects have not been fully determined. Here, we explored the potential biological effects of venlafaxine on mouse hippocampus. Mice were randomly divided into two groups and injected daily with 0.9% NaCl solution or venlafaxine. A GC-MS-based metabolomic approach was used to identify possible metabolic differences between these groups, and the key proteins involved in the relevant pathways were validated by western blotting...
August 8, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28780039/disruption-of-5-ht2a-pdz-protein-interaction-differently-affects-the-analgesic-efficacy-of-ssri-snri-and-tca-in-the-treatment-of-traumatic-neuropathic-pain-in-rats
#19
Anne-Sophie Wattiez, Amandine Dupuis, Anne-Marie Privat, Maryse Chalus, Eric Chapuy, Youssef Aissouni, Alain Eschalier, Christine Courteix
Antidepressants remain one of the first line treatments prescribed to neuropathic pain patients despite their limited efficacy and/or their numerous side effects. More and more, pharmacotherapy for neuropathic pain has evolved towards the use of therapeutic combinations. The goal of the present study was to assess the efficacy of the combination of antidepressants - selective serotonin reuptake inhibitors and serotonin-noradrenaline reuptake inhibitors-with a peptide (TAT-2ASCV) able to disrupt the interaction between serotonin type 2A (5-HT2A) receptors and associated PDZ proteins...
August 2, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28775189/comparative-efficacy-and-acceptability-of-antidepressant-treatment-in-poststroke-depression-a-multiple-treatments-meta-analysis
#20
Yefei Sun, Yifan Liang, Yang Jiao, Jueying Lin, Huiling Qu, Junjie Xu, Chuansheng Zhao
OBJECTIVE: The aim of this study is to create a rank order of the comparative efficacy and acceptability (risk of all-cause discontinuation) of antidepressant treatment in poststroke depression (PSD) by integrating direct and indirect evidence. DESIGN: Multiple-treatments meta-analysis of randomised controlled trials. PARTICIPANTS: Patients with depression following stroke. INTERVENTIONS: 10 antidepressants and placebo in the acute treatment of PSD...
August 3, 2017: BMJ Open
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