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Neuropathy and pain

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https://www.readbyqxmd.com/read/28230181/dezocine-exhibits-antihypersensitivity-activities-in-neuropathy-through-spinal-%C3%AE-opioid-receptor-activation-and-norepinephrine-reuptake-inhibition
#1
Yong-Xiang Wang, Xiao-Fang Mao, Teng-Fei Li, Nian Gong, Ma-Zhong Zhang
Dezocine is the number one opioid painkiller prescribed and sold in China, occupying 44% of the nation's opioid analgesics market today and far ahead of the gold-standard morphine. We discovered the mechanisms underlying dezocine antihypersensitivity activity and assessed their implications to antihypersensitivity tolerance. Dezocine, given subcutaneously in spinal nerve-ligated neuropathic rats, time- and dose-dependently produced mechanical antiallodynia and thermal antihyperalgesia, significantly increased ipsilateral spinal norepinephrine and serotonin levels, and induced less antiallodynic tolerance than morphine...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28229252/pain-in-patients-with-pancreatic-cancer-prevalence-mechanisms-management-and-future-developments
#2
REVIEW
Andreas I Koulouris, Paul Banim, Andrew R Hart
Pain affects approximately 80% of patients with pancreatic cancer, with half requiring strong opioid analgesia, namely: morphine-based drugs on step three of the WHO analgesic ladder (as opposed to the weak opioids: codeine and tramadol). The presence of pain is associated with reduced survival. This article reviews the literature regarding pain: prevalence, mechanisms, pharmacological, and endoscopic treatments and identifies areas for research to develop individualized patient pain management pathways. The online literature review was conducted through: PubMed, Clinical Key, Uptodate, and NICE Evidence...
February 22, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28223842/development-of-a-novel-algorithm-to-determine-adherence-to-chronic-pain-treatment-guidelines-using-administrative-claims
#3
Jay M Margolis, Nicole Princic, David M Smith, Lucy Abraham, Joseph C Cappelleri, Sonali N Shah, Peter W Park
OBJECTIVE: To develop a claims-based algorithm for identifying patients who are adherent versus nonadherent to published guidelines for chronic pain management. METHODS: Using medical and pharmacy health care claims from the MarketScan® Commercial and Medicare Supplemental Databases, patients were selected during July 1, 2010, to June 30, 2012, with the following chronic pain conditions: osteoarthritis (OA), gout (GT), painful diabetic peripheral neuropathy (pDPN), post-herpetic neuralgia (PHN), and fibromyalgia (FM)...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28223728/levothyroxine-therapy-and-impaired-clearance-are-the-strongest-contributors-to-small-intestinal-bacterial-overgrowth-results-of-a-retrospective-cohort-study
#4
Thorsten Brechmann, Andre Sperlbaum, Wolff Schmiegel
AIM: To identify a set of contributors, and weight and rank them on a pathophysiological basis. METHODS: Patients who have undergone a lactulose or glucose hydrogen breath test to rule out small intestinal bacterial overgrowth (SIBO) for various clinical symptoms, including diarrhoea, weight loss, abdominal pain, cramping or bloating, were seen as eligible for inclusion in a retrospective single-centre study. Clinical data such as co-morbidities, medication, laboratory parameters and other possible risk factors have been identified from the electronic data system...
February 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28221302/diagnostic-criteria-for-small-fiber-neuropathy
#5
Derrick Blackmore, Zaeem A Siddiqi
OBJECTIVES: Despite its relative common occurrence, definitive diagnosis of small fiber neuropathy (SFN) remains problematic. In practice, patients with pain, numbness, and/or paresthesias in their lower limbs are diagnosed with SFN if found to have dissociated sensory loss in their feet, that is, impaired pinprick perception (PP) but relatively preserved vibration. We sought to assess the sensitivity and specificity of clinical examination and various diagnostic tools available for screening SFN...
March 2017: Journal of Clinical Neuromuscular Disease
https://www.readbyqxmd.com/read/28217248/iatrogenic-amyloid-polyneuropathy-after-domino-liver-transplantation
#6
REVIEW
Diana Mnatsakanova, Saša A Živković
Liver transplantation has been used in treatment of transthyretin amyloidosis, and some patients undergo domino liver transplantation (DLT) with explanted liver being transplanted to another patient with liver failure as the liver is otherwise usually functionally normal. Until end of 2015, there were 1154 DLT performed worldwide. DLT for transthyretin amyloidosis is associated with the risk of developing de novo systemic amyloidosis and amyloid neuropathy, and the risk may be greater with some non-Val30Met mutations...
January 28, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28214378/calcium-signaling-through-l-type-calcium-channels-role-in-pathophysiology-of-spinal-nociceptive-transmission
#7
REVIEW
Olivier Roca-Lapirot, Houda Radwani, Franck Aby, Frédéric Nagy, Marc Landry Pascal Fossat
L-type voltage-gated calcium channels (VGCCs) are ubiquitous channels in the central nervous system. L-type calcium channels (LTCs) are mostly post-synaptic channels regulating neuronal firing and gene expression. They play a role in important physio-pathological processes such as learning and memory, Parkinson's disease, autism and, as recognized more recently, in the pathophysiology of pain processes. Classically, the fundamental role of these channels in cardiovascular functions has limited the use of classical molecules to treat LTC-dependent disorders...
February 18, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28205185/use-of-an-alpha-lipoic-methylsulfonylmethane-and-bromelain-dietary-supplement-opera-%C3%A2-for-chemotherapy-induced-peripheral-neuropathy-management-a-prospective-study
#8
Isacco Desideri, Giulio Francolini, Carlotta Becherini, Francesca Terziani, Camilla Delli Paoli, Emanuela Olmetto, Mauro Loi, Marco Perna, Icro Meattini, Vieri Scotti, Daniela Greto, Pierluigi Bonomo, Susanna Sulprizio, Lorenzo Livi
Chemotherapy-induced peripheral neuropathy (CIPN) is a major clinical problem associated with a number of cytotoxic agents. OPERA(®) (GAMFARMA srl, Milan, Italy) is a new dietary supplement where α-lipoic acid, Boswellia Serrata, methylsulfonylmethane and bromelain are combined in a single capsule. The aim of this prospective study was to determine the efficacy and safety of OPERA(®) supplementation in a series of patients affected by CIPN. We selected 25 subjects with CIPN evolving during or after chemotherapy with potentially neurotoxic agents...
March 2017: Medical Oncology
https://www.readbyqxmd.com/read/28204996/incidence-of-taxane-induced-peripheral-neuropathy-receiving-treatment-and-prescription-patterns-in-patients-with-breast-cancer
#9
Su Jeong Song, Ji Min, Sung Yun Suh, Sun Hoi Jung, Hyeon Joo Hahn, Seock-Ah Im, Ju-Yeun Lee
PURPOSE: Taxane-induced peripheral neuropathy (TIPN) can affect quality of life and treatment outcomes in breast cancer patients. Despite the high incidence, treatment of PN has not been established. This study aimed to evaluate the incidence, risk factors, and prescribing pattern of TIPN receiving pharmacologic treatment in real-world practice. METHODS: We conducted a retrospective chart review of 1629 breast cancer patients who received taxanes at the Seoul National University Hospital from July 2012 to June 2014...
February 16, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28203505/bilateral-sciatic-neuropathy-after-an-autologous-breast-reconstruction-in-a-massive-weight-loss-patient
#10
Ramy Abdel-Naby, Michael Ablavsky, Aleksandr Shteynberg
Perioperative compression neuropathy is a known potential complication of prolonged surgical procedures. Sciatic postoperative neuropathy has rarely been reported. We present a 34-year-old woman who underwent right breast reconstruction with supercharged (venous anastomosis) transverse rectus abdominis flap and developed bilateral sciatic compression neuropathy. Her history was remarkable for sleeve gastrectomy 2 years earlier resulting in 105 pound weight loss 1 year before breast reconstruction. During the procedure, the patient was in the supine position for 8 hours and in the semirecumbent position for an additional 2 hours with the torso flexed at 30 degrees and knees flexed at approximately 45 degrees in addition to standard padding...
January 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28202580/spinal-disinhibition-in-experimental-and-clinical-painful-diabetic-neuropathy
#11
Andrew G Marshall, Corinne Lee-Kubli, Shazli Azmi, Michael Zhang, Maryam Ferdousi, Teresa Mixcoatl-Zecuatl, Ioannis N Petropoulos, Georgios Ponirakis, Mark S Fineman, Hassan Fadavi, Katie Frizzi, Mitra Tavakoli, Maria Jeziorska, Corinne G Jolivalt, Andrew J M Boulton, Nathan Efron, Nigel A Calcutt, Rayaz A Malik
Impaired rate dependent depression (RDD) of the Hoffman-reflex is associated with reduced dorsal spinal cord potassium chloride co-transporter expression and impaired spinal GABAA receptor function, indicative of spinal inhibitory dysfunction. We have investigated the pathogenesis of impaired RDD in diabetic rodents exhibiting features of painful neuropathy and the translational potential of this marker of spinal inhibitory dysfunction in human painful diabetic neuropathy. Impaired RDD and allodynia were present in type 1 and type 2 diabetic rats but not in rats with type 1 diabetes receiving insulin supplementation that did not restore normoglycemia...
February 15, 2017: Diabetes
https://www.readbyqxmd.com/read/28194306/a-randomized-exploratory-phase-2-study-in-patients-with-chemotherapy-related-peripheral-neuropathy-evaluating-whole-body-vibration-training-as-adjunct-to-an-integrated-program-including-massage-passive-mobilization-and-physical-exercises
#12
Stefan S Schönsteiner, Heidi Bauder Mißbach, Axel Benner, Silja Mack, Thomas Hamel, Michael Orth, Bernhard Landwehrmeyer, Sigurd D Süßmuth, Carolin Geitner, Regine Mayer-Steinacker, Anneliese Riester, Andrea Prokein, Elfriede Erhardt, Jelena Kunecki, Anna M Eisenschink, Rainer Rawer, Hartmut Döhner, Elisabeth Kirchner, Richard F Schlenk
BACKGROUND: Chemotherapy-induced polyneuropathy (CIPN) is a common toxicity after chemotherapy, immunomodulatory drugs or proteasome inhibitors, which is difficult to treat and may also have impact on quality of life. The objective of the study was to evaluate whole-body vibration (WBV) on the background of an integrated program (IP) including massage, passive mobilization and physical exercises on CIPN. PATIENTS AND METHODS: In an exploratory phase-2 study patients with CIPN (NCI CTC grade 2/3) were randomized for WBV plus IP (experimental) to IP alone (standard)...
2017: Experimental Hematology & Oncology
https://www.readbyqxmd.com/read/28192073/recurrent-and-novel-mutations-in-the-ntrk1-gene-lead-to-rare-congenital-insensitivity-to-pain-with-anhidrosis-in-two-chinese-patients
#13
Fang Lv, Xiao-Jie Xu, Yu-Wen Song, Lu-Jiao Li, Ou Wang, Yan Jiang, Wei-Bo Xia, Xiao-Ping Xing, Peng Gao, Mei Li
BACKGROUND: Congenital insensitivity to pain with anhidrosis (CIPA) is an extremely rare autosomal recessive autonomic and sensory neuropathy. CIPA is associated with various mutations in NTRK1. CASES: Two unrelated Chinese patients presented separately with symptoms of insensitivity to pain, inability to sweat, repeated painless fractures, and Charcot arthropathy were recruited. Both of them were clinically diagnosed with CIPA. Increased serum bone resorption marker (β-CTX) levels and decreased BMD were observed in both patients...
February 10, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28191351/evaluating-the-measurement-properties-of-the-self-assessment-of-treatment-version-ii-follow-up-version-in-patients-with-painful-diabetic-peripheral-neuropathy
#14
Floortje van Nooten, Dylan Trundell, Dorota Staniewska, Jun Chen, Evan W Davies, Dennis A Revicki
Background. The Self-Assessment of Treatment version II (SAT II) measures treatment-related improvements in pain and impacts and impressions of treatment in neuropathic pain patients. The measure has baseline and follow-up versions. This study assesses the measurement properties of the SAT II. Methods. Data from 369 painful diabetic peripheral neuropathy (PDPN) patients from a phase III trial assessing capsaicin 8% patch (Qutenza®) efficacy and safety were used in these analyses. Reliability, convergent validity, known-groups validity, and responsiveness (using the Brief Pain Inventory-Diabetic Neuropathy [BPI-DN] and Patient Global Impression of Change [PGIC]) analyses were conducted, and minimally important differences (MID) were estimated...
2017: Pain Research and Treatment
https://www.readbyqxmd.com/read/28190463/prophylactic-topical-paeoniflorin-prevents-mechanical-allodynia-caused-by-paclitaxel-in-mice-through-adenosine-a1-receptors
#15
Tsugunobu Andoh, Nao Kobayashi, Daisuke Uta, Yasushi Kuraishi
BACKGROUND: The chemotherapeutic agent paclitaxel (PTX) causes refractory peripheral neuropathy as a side effect. Prophylactic oral administration of the traditional herbal medicine Shakuyakukanzoto containing Paeoniae Radix and Glycyrrhizae Radix prevents the development of PTX-induced mechanical allodynia in mice via peripheral effects, mostly due to Paeoniae Radix. However, the bioactive component responsible for the prevention of PTX-induced neuropathic pain remains unknown. PURPOSE: To determine whether a monoterpene glycoside paeoniflorin (PF), which is the principal bioactive constituent of Paeoniae Radix, has inhibitory effects on PTX-induced mechanical allodynia and investigate the underlying mechanisms...
February 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28190392/pi3k-akt-pathway-a-potential-therapeutic-target-for-chronic-pain
#16
Shu-Ping Chen, Ya-Qun Zhou, Dai-Qiang Liu, Wen Zhang, Anne Manyande, Xue-Hai Guan, Yu-Ke Tian, Da-Wei Ye, Deeq Mohamed Omar
Chronic pain is among the most disabling and costly disorders, with prevalence ranging from 10% to 55%. However, current therapeutic strategies for chronic pain are unsatisfactory due to our poor understanding of its mechanisms. Thus, novel therapeutic targets need to be found in order to improve these patients' quality of life. PI3K and its downstream Akt are widely expressed in the spinal cord, particularly in the laminae I-IV of the dorsal horn, where nociceptive C and Aδ fibers of primary afferents principally terminate...
February 10, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28188357/analgesic-antiallodynic-and-anticonvulsant-activity-of-novel-hybrid-molecules-derived-from-n-benzyl-2-2-5-dioxopyrrolidin-1-yl-propanamide-and-2-2-5-dioxopyrrolidin-1-yl-butanamide-in-animal-models-of-pain-and-epilepsy
#17
Anna Rapacz, Krzysztof Kamiński, Jolanta Obniska, Paulina Koczurkiewicz, Elżbieta Pękala, Barbara Filipek
The purpose of the present study was to examine the analgesic activity of six novel hybrid molecules, which demonstrated in the previous research anticonvulsant activity in the maximal electroshock seizure (MES) and subcutaneous pentylenetetrazole seizure (scPTZ) tests in mice. The antinociceptive properties were estimated in three models of pain in mice-the hot plate test, the formalin test, and in the oxaliplatin-induced neuropathy. Moreover, extended anticonvulsant studies were carried out and the antiseizure activity was investigated in the 6-Hz test...
February 10, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28186109/astragali-radix-could-it-be-an-adjuvant-for-oxaliplatin-induced-neuropathy
#18
Lorenzo Di Cesare Mannelli, Alessandra Pacini, Laura Micheli, Angelo Pietro Femia, Mario Maresca, Matteo Zanardelli, Alfredo Vannacci, Eugenia Gallo, Anna Rita Bilia, Giovanna Caderni, Fabio Firenzuoli, Alessandro Mugelli, Carla Ghelardini
Neurotoxicity is a major side effect of platinum derivatives both during and after treatment. In the absence of effective pharmacological compounds, the opportunity to identify safe adjuvant treatments among medicinal plants seems appropriate. Astragali radix is an adaptogenic herbal product recently analyzed in platinum-treated cancer patients. With the aim of evaluating the anti-neuropathic profile of Astragali radix, a previously characterized aqueous (Aqu) and two hydroalcoholic (20%HA and 50%HA) extracts were tested in a rat model of oxaliplatin-induced neuropathy...
February 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28182729/rikkunshito-prevents-paclitaxel-induced-peripheral-neuropathy-through-the-suppression-of-the-nuclear-factor-kappa-b-nf%C3%AE%C2%BAb-phosphorylation-in-spinal-cord-of-mice
#19
Junzo Kamei, Shunsuke Hayashi, Akane Sakai, Yuki Nakanishi, Misa Kai, Megumi Ikegami, Hiroko Ikeda
Peripheral neuropathy is the major side effect caused by paclitaxel, a microtubule-binding antineoplastic drug. Paclitaxel-induced peripheral neuropathy causes a long-term negative impact on the patient's quality of life. However, the mechanism underlying paclitaxel-induced peripheral neuropathy is still unknown, and there is no established treatment. Ghrelin is known to attenuate thermal hyperalgesia and mechanical allodynia in chronic constriction injury of the sciatic nerve, and inhibit the activation of nuclear factor kappa B (NFκB) in the spinal dorsal horn...
2017: PloS One
https://www.readbyqxmd.com/read/28181561/peripheral-sensory-neuron-injury-contributes-to-neuropathic-pain-in-experimental-autoimmune-encephalomyelitis
#20
I-Ching Wang, Chen-Yen Chung, Fang Liao, Chih-Cheng Chen, Cheng-Han Lee
Multiple sclerosis (MS)-induced neuropathic pain deteriorates quality of life in patients but is often refractory to treatment. In experimental autoimmune encephalomyelitis (EAE), a rodent model of MS, animals develop neuropathy and inflammation-induced tissue acidosis, which suggests the involvement of acid-sensing ion channels (ASICs). Also, peripheral neuropathy is reported in MS patients. However, the involvement of the peripheral nervous system (PNS) in MS neuropathic pain remains elusive. This study investigated the contribution of ASICs and peripheral neuropathy in MS-induced neuropathic pain...
February 9, 2017: Scientific Reports
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