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Drug treatment neuropathic

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https://www.readbyqxmd.com/read/28810599/effects-of-niflumic-acid-on-%C3%AE-aminobutyric-acid-induced-currents-in-isolated-dorsal-root-ganglion-neurons-of-neuropathic-pain-rats
#1
Li-Jie Wang, Yang Wang, Meng-Jie Chen, Zhen-Pu Tian, Bi-Han Lu, Ke-Tao Mao, Liang Zhang, Lei Zhao, Li-Ya Shan, Li Li, Jun-Qiang Si
Niflumic acid (NFA) is a type of non-steroidal anti-inflammatory drug. Neuropathic pain is caused by a decrease in presynaptic inhibition mediated by γ-aminobutyric acid (GABA). In the present study, a whole-cell patch-clamp technique and intracellular recording were used to assess the effect of NFA on GABA-induced inward current in dorsal root ganglion (DRG) neurons of a chronic constriction injury (CCI) model. It was observed that 1-1,000 µmol/l GABA induced a concentration-dependent inward current in DRG neurons...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28807894/advances-in-the-diagnosis-and-management-of-neck-pain
#2
REVIEW
Steven P Cohen, W Michael Hooten
Neck pain imposes a considerable personal and socioeconomic burden-it is one of the top five chronic pain conditions in terms of prevalence and years lost to disability-yet it receives a fraction of the research funding given to low back pain. Although most acute episodes resolve spontaneously, more than a third of affected people still have low grade symptoms or recurrences more than one year later, with genetics and psychosocial factors being risk factors for persistence. Nearly half of people with chronic neck pain have mixed neuropathic-nociceptive symptoms or predominantly neuropathic symptoms...
August 14, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28802070/memantine-for-the-treatment-of-general-neuropathic-pain-a-narrative-review
#3
REVIEW
Gisèle Pickering, Véronique Morel
Neuropathic pain (NP) is difficult to treat and is associated with a decline in quality of life. NP aetiologies are numerous and a number of pathologies display neuropathic characteristics. Of the various N-Methyl-D-Aspartate antagonists that are alternatives to recommended in first-line NP treatment, memantine has the safest side-effect profile and has long been approved in Alzheimer's disease. The review covers memantine studies in post-herpetic neuralgia, diabetic pain, postoperative pain, complex regional pain syndrome, chronic phantom limb pain, opioid refractory pain, and fibromyalgia...
August 12, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/28771761/metformin-protects-against-experimental-acrylamide-neuropathy-in-rats
#4
Samah S Oda
Preclinical Research To investigate the potential neuroprotective effects of metformin against experimental acrylamide neuropathy in rats, 24 rats were distributed into four equal groups (6 each). Group 1 was kept as a control. Group 2 (MET) was orally given metformin (200 mg/kg BW/day). Group 3 (ACR) was injected IP with acrylamide (50 mg/kg BW/day). Animals in group 4 (ACR + MET) were administered both MET and ACR at the same dose and route used in groups 2 and 3. Treatments were administered three times a week for three weeks...
August 3, 2017: Drug Development Research
https://www.readbyqxmd.com/read/28770976/non-steroidal-anti-inflammatory-drugs-nsaids-for-chronic-non-cancer-pain-in-children-and-adolescents
#5
REVIEW
Christopher Eccleston, Tess E Cooper, Emma Fisher, Brian Anderson, Nick Mr Wilkinson
BACKGROUND: Pain is a common feature of childhood and adolescence around the world, and for many young people, that pain is chronic. The World Health Organization guidelines for pharmacological treatments for children's persisting pain acknowledge that pain in children is a major public health concern of high significance in most parts of the world. While in the past pain was largely dismissed and was frequently left untreated, views on children's pain have changed over time, and relief of pain is now seen as important...
August 2, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28770975/paracetamol-acetaminophen-for-chronic-non-cancer-pain-in-children-and-adolescents
#6
REVIEW
Tess E Cooper, Emma Fisher, Brian Anderson, Nick Mr Wilkinson, David G Williams, Christopher Eccleston
BACKGROUND: Pain is a common feature of childhood and adolescence around the world, and for many young people, that pain is chronic. The World Health Organization guidelines for pharmacological treatments for children's persisting pain acknowledge that pain in children is a major public health concern of high significance in most parts of the world. While in the past, pain was largely dismissed and was frequently left untreated, views on children's pain have changed over time, and relief of pain is now seen as important...
August 2, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28757918/low-doses-of-amitriptyline-pregabalin-and-gabapentin-are-preferred-for-management-of-neuropathic-pain-in-india-is-there-a-need-for-revisiting-dosing-recommendations
#7
Sanjay Vasant Kamble, Salman Abdulrehman Motlekar, Lyndon Lincoln D'souza, Vinay Nanda Kudrigikar, Sameer Eknath Rao
BACKGROUND: Current therapy for the treatment of neuropathic pain is often unsatisfactory. Considerable variation in treatment pattern still exists in spite of availability of sufficient literature from various guidelines. Recent Indian market data suggested that the utilization (sale) of drugs such as amitriptyline, pregabalin, and gabapentin was more for low-dose unit packs than that of the high-dose unit packs, raising the belief that these drugs are prescribed at a lower dose than is actually recommended in the guidelines...
July 2017: Korean Journal of Pain
https://www.readbyqxmd.com/read/28756090/single-oral-dose-of-cannabinoid-derivate-loaded-plga-nanocarriers-relieves-neuropathic-pain-for-eleven-days
#8
E Berrocoso, R Rey-Brea, M Fernández-Arévalo, J A Micó, Lucía Martín-Banderas
Neuropathic pain, resistant to opiates and other drugs, is a chronic/persistent state with a complex treatment and often poor efficacy. In this scenario, cannabinoids are increasingly regarded as a genuine alternative. In this paper, and in an experimental animal model of neuropathic pain, we studied the efficacy of three kinds of PLGA nanoparticles containing synthetic cannabinoid CB13: (i) plain nanoparticles (PLGA); (ii) particles coated with PEG chains (PLGA+PEG) and (iii) particles possessing hydrophilic surfaces obtained by covalently binding PEG chains (PLGA-PEG)...
July 26, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28751195/antinociceptive-antiallodynic-and-antihyperalgesic-effects-of-the-5-ht1a-receptor-selective-agonist-nlx-112-in-mouse-models-of-pain
#9
Kinga Sałat, Marcin Kołaczkowski, Anna Furgała, Adriana Rojek, Joanna Śniecikowska, Mark A Varney, Adrian Newman-Tancredi
BACKGROUND AND PURPOSE: NLX-112 (a.k.a. befiradol, F13640) is a drug candidate intended for the treatment of l-DOPA-induced dyskinesia. It is a highly selective serotonin 5-HT1A receptor full agonist which has been previously tested in a variety of models of CNS effects including analgesic activity in rat. Its activity in mouse models of pain has not been previously investigated. EXPERIMENTAL APPROACH: The activity of NLX-112 was tested in mouse models of acute pain (hot plate), tonic pain (intraplantar formalin test), in the oxaliplatin-induced neuropathic pain model of chemotherapy-induced peripheral neuropathy and in the streptozotocin (STZ)-induced model of painful diabetic neuropathy...
July 24, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28747449/loss-of-cutaneous-large-and-small-fibers-in-naive-and-l-dopa-treated-pd-patients
#10
Maria Nolano, Vincenzo Provitera, Fiore Manganelli, Rosa Iodice, Annamaria Stancanelli, Giuseppe Caporaso, Annamaria Saltalamacchia, Francesca Califano, Bernardo Lanzillo, Marina Picillo, Paolo Barone, Lucio Santoro
OBJECTIVE: To study small and large fiber pathology in drug-naive and l-dopa-treated patients affected by Parkinson disease (PD) in early phases, before the occurrence of neuropathic electrophysiologic abnormalities. METHODS: We enrolled 85 patients with idiopathic PD (male/female 49/36, age 61.3 ± 9.7 years) without electrophysiologic signs of neuropathy, including 48 participants naive to l-dopa treatment. All patients underwent clinical, functional, and morphologic assessment of sensory and autonomic nerves through dedicated questionnaires, quantitative sensory testing, sympathetic skin response, dynamic sweat test, and punch biopsies from glabrous and hairy skin...
July 26, 2017: Neurology
https://www.readbyqxmd.com/read/28747093/prochlorperazine-increases-kcc2-function-and-reduces-spasticity-after-spinal-cord-injury
#11
Sylvie Liabeuf, Laetitia Stuhl-Gourmand, Florian Gackière, Renzo Mancuso, Irene Sanchez-Brualla, Philippe Marino, Frédéric Brocard, Laurent Vinay
In mature neurons, low intracellular chloride level required for inhibition is maintained by the potassium-chloride co-transporter KCC2. Impairment of Cl- extrusion following KCC2 dysfunction has been involved in many CNS disorders such as seizures, neuropathic pain or spasticity after a spinal cord injury (SCI). This makes KCC2 an appealing drug target for restoring Cl-homeostasis and inhibition in pathological conditions. In the present study, we screen the Prestwick Chemical Library® and identify conventional antipsychotics phenothiazine derivatives as enhancers of KCC2 activity...
July 26, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28745394/opioids-for-chronic-non-cancer-pain-in-children-and-adolescents
#12
REVIEW
Tess E Cooper, Emma Fisher, Andrew L Gray, Elliot Krane, Navil Sethna, Miranda Al van Tilburg, Boris Zernikow, Philip J Wiffen
BACKGROUND: Pain is a common feature of childhood and adolescence around the world, and for many young people, that pain is chronic. The World Health Organization guidelines for pharmacological treatments for children's persisting pain acknowledge that pain in children is a major public health concern of high significance in most parts of the world. While in the past, pain was largely dismissed and was frequently left untreated, views on children's pain have changed over time, and relief of pain is now seen as importantWe designed a suite of seven reviews on chronic non-cancer pain and cancer pain (looking at antidepressants, antiepileptic drugs, non-steroidal anti-inflammatory drugs, opioids, and paracetamol as priority areas) in order to review the evidence for children's pain utilising pharmacological interventions in children and adolescents...
July 26, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28741143/salidroside-ameliorates-diabetic-neuropathic-pain-in-rats-by-inhibiting-neuroinflammation
#13
Gui-Lian Ni, Rong Cui, Ai-Min Shao, Zhong-Min Wu
More than half of diabetic patients suffer from intractable neuropathic pain. As inflammation plays an important role in diabetic neuropathic pain, anti-inflammatory drugs might have therapeutic potentials for neuropathic pain. Salidroside (SAL), a phenylpropanoid glucoside, modulates a variety of cell functions, including inflammation. Here, we explored anti-nociceptive and anti-inflammatory effects of SAL on Zucker diabetic fatty rats with type 2 diabetes (DM rats). DM rats were tested for mechanical and thermal hyperalgesia using von Frey filament and plantar hot box test, respectively...
July 24, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28730839/trpv1-receptors-contribute-to-mediate-paclitaxel-induced-c-fos-expression-in-spinal-cord-dorsal-horn-neurons
#14
N Kalynovska, P Adamek, J Palecek
Transient receptor potential vanilloid type 1 (TRPV1) receptors are important in the development of different pathological chronic pain states. Here we examined the role of spinal cord TRPV1 receptors in the mechanisms leading to activation of dorsal horn neurons after paclitaxel (PAC) treatment. PAC is a widely used chemotherapeutic drug that often leads to development of painful neuropathy. Immunohistochemical analysis of c-Fos protein expression in dorsal horn neurons was used as a marker of neuronal activation...
July 18, 2017: Physiological Research
https://www.readbyqxmd.com/read/28730237/therapeutic-potential-of-certain-drug-combinations-on-paclitaxel-induced-peripheral-neuropathy-in-rats
#15
Cristina Elena Zbârcea, IonuŢ Cosmin Ciotu, Veronica Bild, Cornel ChiriŢă, Alexandra Mihaela Tănase, Oana Cristina Şeremet, Emil Ştefănescu, Andreea LetiŢia Arsene, Alexandra Eugenia Bastian, Floriana Elvira Ionică, Simona Negreş
BACKGROUND AND AIMS: Experimental research and clinical data support the potential combination therapy for the treatment of neuropathic pain. We aimed to investigate the analgesic effect of the following associations: gabapentin + etifoxine; tramadol + etifoxine; gabapentin + tramadol, in an experimental model of peripheral neuropathy induced by paclitaxel. MATERIALS AND METHODS: Neuropathy was induced in male Wistar rats by the daily administration of 2 mg÷kg body weight (bw) paclitaxel intraperitoneally, four days in a row...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28727712/intervertebral-foramen-injection-of-ozone-relieves-mechanical-allodynia-and-enhances-analgesic-effect-of-gabapentin-in-animal-model-of-neuropathic-pain
#16
Wen-Jun Luo, Fan Yang, Fei Yang, Wei Sun, Wei Zheng, Xiao-Liang Wang, Fang-Fang Wu, Jiang-Lin Wang, Jia-Shuang Wang, Su-Min Guan, Jun Chen
BACKGROUND: In a 5-year follow-up study in a hospital in southern China, it was shown that intervertebral foramen (IVF) injection of ozone at the involved segmental levels could significantly alleviate paroxysmal spontaneous pain and mechanical allodynia in patients with chronic, intractable postherpetic neuralgia (PHN) and improve the quality of life. However, so far no proof-of-concept studies in animals have been available. OBJECTIVE: This study was designed to investigate whether IVF ozone has an analgesic effect on animal models of neuropathic and inflammatory pain...
July 2017: Pain Physician
https://www.readbyqxmd.com/read/28721089/combination-treatment-of-neuropathic-pain-danish-expert-recommendations-based-on-a-delphi-process
#17
EDITORIAL
Jakob Vormstrup Holbech, Anne Jung, Torsten Jonsson, Mette Wanning, Claus Bredahl, Flemming W Bach
BACKGROUND: Current Danish treatment algorithms for pharmacological treatment of neuropathic pain (NeP) are tricyclic antidepressants (TCA), gabapentin and pregabalin as first-line treatment for the most common NeP conditions. Many patients have insufficient pain relief on monotherapy, but combination therapy had not been included in guidelines until recently. Based on clinical empiricism and scientific evidence, a Delphi consensus process provided a consolidated guidance on pharmacological combination treatment of NeP...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28720702/identification-of-a-vesicular-atp-release-inhibitor-for-the-treatment-of-neuropathic-and-inflammatory-pain
#18
Yuri Kato, Miki Hiasa, Reiko Ichikawa, Nao Hasuzawa, Atsushi Kadowaki, Ken Iwatsuki, Kazuhiro Shima, Yasuo Endo, Yoshiro Kitahara, Tsuyoshi Inoue, Masatoshi Nomura, Hiroshi Omote, Yoshinori Moriyama, Takaaki Miyaji
Despite the high incidence of neuropathic and inflammatory pain worldwide, effective drugs with few side effects are currently unavailable for the treatment of chronic pain. Recently, researchers have proposed that inhibitors of purinergic chemical transmission, which plays a key role in the pathological pain response, may allow for targeted treatment of pathological neuropathic and inflammatory pain. However, such therapeutic analgesic agents have yet to be developed. In the present study, we demonstrated that clodronate, a first-generation bisphosphonate with comparatively fewer side effects than traditional treatments, significantly attenuates neuropathic and inflammatory pain unrelated to bone abnormalities via inhibition of vesicular nucleotide transporter (VNUT), a key molecule for the initiation of purinergic chemical transmission...
July 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28719859/-curcumin-loaded-poly-d-l-lactide-co-glycolide-nanovesicles-induce-antinociceptive-effects-and-reduce-pronociceptive-cytokine-and-bdnf-release-in-spinal-cord-after-acute-administration-in-mice
#19
Stefano Pieretti, Amalendu P Ranjan, Amalia Di Giannuario, Anindita Mukerjee, Francesca Marzoli, Rita Di Giovannandrea, Jamboor K Vishwanatha
Given the poor bioavailability of curcumin, its antinociceptive effects are produced after chronic intravenous administration of high doses, while poly (d,l-lactide-co-glycolide)-loaded vesicles (PLGA) can improve drug delivery. This paper investigates the antinociceptive effects of curcumin-loaded PLGA nanovesicles (PLGA-CUR) administered via intravenous (i.v.) or intrathecal (i.t.) routes at low and high doses. The following models of pain were used: formalin test, zymosan-induced hyperalgesia and sciatic nerve ligation inducing neuropathic allodynia and hyperalgesia...
July 10, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28714350/activation-and-expression-of-%C3%AE-calpain-in-dorsal-root-contributes-to-rtx-induced-mechanical-allodynia
#20
Xiao-Cui Yuan, Cai-Hua Wu, Fang Gao, Hong-Ping Li, Hong-Chun Xiang, He Zhu, Xiao-Li Pan, Li-Xue Lin, Yan-Shen Liu, Wei Yu, Bo Tian, Xian-Fang Meng, Man Li
Background Calpain is a calcium-dependent cysteine protease, and inhibition of calpain by pre-treatment with MDL28170 attenuated the rat mechanical allodynia in a variety of pain models. Postherpetic neuralgia (Shingles) is a neuropathic pain conditioned with the presence of profound mechanical allodynia. Systemic injection of resiniferatoxin can reproduce the clinical symptoms of postherpetic neuralgia. In this study, we determined to study whether activation of calpain contributes to cleave the myelin basic protein of dorsal root and is involved in resiniferatoxin-induced mechanical allodynia of postherpetic neuralgia animal model...
January 2017: Molecular Pain
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