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https://www.readbyqxmd.com/read/28340111/assessment-of-patient-reported-outcome-instruments-to-assess-chronic-low-back-pain
#1
Abhilasha Ramasamy, Mona L Martin, Steven I Blum, Hiltrud Liedgens, Charles Argoff, Rainer Freynhagen, Mark Wallace, Kelly P McCarrier, Donald M Bushnell, Noël V Hatley, Donald L Patrick
Objective. : To identify patient-reported outcome (PRO) instruments that assess chronic low back pain (cLBP) symptoms (specifically pain qualities) and/or impacts for potential use in cLBP clinical trials to demonstrate treatment benefit and support labeling claims. Design. : Literature review of existing PRO measures. Methods. : Publications detailing existing PRO measures for cLBP were identified, reviewed, and summarized. As recommended by the US Food & Drug Administration (FDA) PRO development guidance, standard measurement characteristics were reviewed, including development history, psychometric properties (validity and reliability), ability to detect change, and interpretation of observed changes...
March 6, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28339433/management-of-neuropathic-chronic-pain-with-methadone-combined-with-ketamine-a-randomized-double-blind-active-controlled-clinical-trial
#2
Flavia Karine Rigo, Gabriela Trevisan, Maria C Godoy, Mateus Fortes Rossato, Gerusa D Dalmolin, Mariane A Silva, Mirian S Menezes, Wolnei Caumo, Juliano Ferreira
BACKGROUND: Methadone and ketamine are used in neuropathic pain management. However, the benefits of both drugs association are uncertain in the treatment of neuropathic pain. OBJECTIVE: Our primary objective was test the hypothesis that oral methadone combined with oral ketamine is more effective than oral methadone or ketamine alone in reducing neuropathic pain. STUDY DESIGN: We conducted a randomized, double blind, active-controlled parallel-group clinical trial...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28330877/k-channel-modulatory-subunits-kchip-and-dpp-participate-in-kv4-mediated-mechanical-pain-control
#3
Yen-Ling Kuo, Jen-Kun Cheng, Wen-Hsien Hou, Yu-Cheng Chang, Po-Hao Du, Jhao-Jun Jian, Ruey-Horng Rau, Jung-Hui Yang, Cheng-Chang Lien, Meei-Ling Tsaur
The K(+) channel pore-forming subunit Kv4.3 is expressed in a subset of non-peptidergic nociceptors within the dorsal root ganglion (DRG), and knockdown of Kv4.3 selectively induces mechanical hypersensitivity, a major symptom of neuropathic pain. K(+) channel modulatory subunits KChIP1, KChIP2 and DPP10 are coexpressed in Kv4.3(+) DRG neurons, but whether they participate in Kv4.3-mediated pain control is unknown. Here, we show the existence of a Kv4.3/KChIP1/KChIP2/DPP10 complex (abbreviated as the Kv4 complex) in the endoplasmic reticulum and cell surface of DRG neurons...
March 22, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28326946/polyamidoamine-dendrimer-conjugated-triamcinolone-acetonide-attenuates-nerve-injury-induced-spinal-cord-microglia-activation-and-mechanical-allodynia
#4
Hwisung Kim, Boomin Choi, Hyoungsub Lim, Hyunjung Min, Jae Hoon Oh, Sunghyun Choi, Joung Goo Cho, Jong-Sang Park, Sung Joong Lee
Background Accumulating evidence on the causal role of spinal cord microglia activation in the development of neuropathic pain after peripheral nerve injury suggests that microglial activation inhibitors might be useful analgesics for neuropathic pain. Studies also have shown that polyamidoamine dendrimer may function as a drug delivery vehicle to microglia in the central nervous system. In this regard, we developed polyamidoamine dendrimer-conjugated triamcinolone acetonide, a previously identified microglial activation inhibitor, and tested its analgesic efficacy in a mouse peripheral nerve injury model...
January 2017: Molecular Pain
https://www.readbyqxmd.com/read/28326943/analgesia-induced-by-the-epigenetic-drug-l-acetylcarnitine-outlasts-the-end-of-treatment-in-mouse-models-of-chronic-inflammatory-and-neuropathic-pain
#5
Serena Notartomaso, Giada Mascio, Matteo Bernabucci, Cristina Zappulla, Pamela Scarselli, Milena Cannella, Tiziana Imbriglio, Roberto Gradini, Giuseppe Battaglia, Valeria Bruno, Ferdinando Nicoletti
Background L-acetylcarnitine, a drug marketed for the treatment of chronic pain, causes analgesia by epigenetically up-regulating type-2 metabotropic glutamate (mGlu2) receptors in the spinal cord. Because the epigenetic mechanisms are typically long-lasting, we hypothesized that analgesia could outlast the duration of L-acetylcarnitine treatment in models of inflammatory and neuropathic pain. Results A seven-day treatment with L-acetylcarnitine (100 mg/kg, once a day, i.p.) produced an antiallodynic effect in the complete Freund adjuvant mouse model of chronic inflammatory pain...
January 2017: Molecular Pain
https://www.readbyqxmd.com/read/28324318/botulinum-neurotoxin-type-a-for-the-treatment-of-pain-not-just-in-migraine-and-trigeminal-neuralgia
#6
Giorgio Sandrini, Roberto De Icco, Cristina Tassorelli, Nicola Smania, Stefano Tamburin
BACKGROUND: Despite their huge epidemiological impact, primary headaches, trigeminal neuralgia and other chronic pain conditions still receive suboptimal medical approach, even in developed countries. The limited efficacy of current pain-killers and prophylactic treatments stands among the main reasons for this phenomenon. Botulinum neurotoxin (BoNT) represents a well-established and licensed treatment for chronic migraine, but also an emerging treatment for other types of primary headache, trigeminal neuralgia, neuropathic pain, and an increasing number of pain conditions...
December 2017: Journal of Headache and Pain
https://www.readbyqxmd.com/read/28323403/discovery-of-potent-antiallodynic-agents-for-neuropathic-pain-targeting-p2x3-receptors
#7
Young-Hwan Jung, Yong-Chul Kim, Yeo Ok Kim, Hai Lin, Joong-Heui Cho, Jin-Hee Park, So-Deok Lee, Jinsu Bae, Koon Mook Kang, Yoon Gyoon Kim, Ae Nim Pae, Hyojin Ko, Chul-Seung Park, Myung Ha Yoon
Antagonism of the P2X3 receptor is one of the potential therapeutic strategies for the management of neuropathic pain because P2X3 receptors are predominantly localized on small to medium diameter C- and Aδ-fiber primary afferent neurons, which are related to the pain-sensing system. In this study, 5-hydroxy pyridine derivatives were designed, synthesized, and evaluated for their in vitro biological activities by two-electrode voltage clamp assay at hP2X3 receptors. Among the novel hP2X3 receptor antagonists, intrathecal treatment of compound 29 showed parallel efficacy with pregabalin (calcium channel modulator) and higher efficacy than AF353 (P2X3 receptor antagonist) in the evaluation of its antiallodynic effects in spinal nerve ligation rats...
March 21, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28322973/imidazoline-i2-receptors-an-update
#8
REVIEW
Jun-Xu Li
Since first introduced more than two decades ago, the research in imidazoline I2 receptors has been steadily increasing. This review provides an update on the current status of I2 receptor pharmacology. Imidazoline I2 receptors or I2 binding sites refer to several (at least four) different proteins that bind to [(3)H]-idazoxan and [(3)H]-2-BFI with high affinity. The molecular identities of the proteins remain elusive. One of the proteins (45 kD) seems to be consistent with the identity of brain creatine kinase...
March 16, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28315678/protective-effect-of-co-administration-of-curcumin-and-sildenafil-in-alcohol-induced-neuropathy-in-rats
#9
Maninder Kaur, Amarjeet Singh, Bimlesh Kumar, Sachin Kumar Singh, Amit Bhatia, Monica Gulati, T Prakash, Palak Bawa, Adil Hussain Malik
Neuropathic pain associated with chronic alcohol consumption is a medico-socioeconomical problem that affects both central and peripheral nervous system and has no satisfactory treatment till date. The present study was designed to investigate the protective effect of co-administration of curcumin and sildenafil on alcohol induced neuropathic pain in rats. In order to carry out this, ethanol (35% v/v, 10g/kg, p.o.) was administered for 10 weeks to induce neuropathic pain. Curcumin (30 and 60mg/kg, i.p.) and sildenafil (5 and 10mg/kg, i...
March 16, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28315267/pharmacological-modulation-of-the-sigma-1-receptor-and-the-treatment-of-pain
#10
Manuel Merlos, Javier Burgueño, Enrique Portillo-Salido, Carlos Ramón Plata-Salamán, José Miguel Vela
There is a critical need for new analgesics acting through new mechanisms of action, which could increase the efficacy with respect to existing therapies and reduce their unwanted effects. Current preclinical evidence supports the modulatory role of sigma-1 receptors (σ1R) in nociception, mainly based on the pain-attenuated phenotype of σ1R knockout mice and on the antinociceptive effect exerted by σ1R antagonists on pains of different etiologies. σ1R is highly expressed in different pain areas of the CNS and the periphery (particularly dorsal root ganglia), and interacts and modulates the functionality of different receptors and ion channels ...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28314949/tolerance-and-cross-tolerance-to-the-antinociceptive-effects-of-oxycodone-and-the-imidazoline-i2-receptor-agonist-phenyzoline-in-adult-male-rats
#11
David A Thorn, Yanan Zhang, Jun-Xu Li
RATIONALE: Emerging evidence suggests the potential utility of combining opioids with imidazoline I2 receptor agonists for chronic pain. However, chronic pain management requires prolonged pharmacotherapy, and the consequence of such combination therapy remains unclear. OBJECTIVE: This study examined the anti-hyperalgesic effect of the opioid oxycodone, the selective I2 receptor agonist phenyzoline, alone and in combination, during prolonged treatment. METHODS: Von Frey filament test was used to examine the anti-hyperalgesic effect of drugs in complete Freund's adjuvant (CFA)-induced inflammatory pain or chronic constriction injury (CCI)-induced neuropathic pain in rats...
March 17, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28299349/gabapentin-inhibits-protein-kinase-c-epsilon-translocation-in-cultured-sensory-neurons-with-additive-effects-when-coapplied-with-paracetamol-acetaminophen
#12
Vittorio Vellani, Chiara Giacomoni
Gabapentin is a well-established anticonvulsant drug which is also effective for the treatment of neuropathic pain. Although the exact mechanism leading to relief of allodynia and hyperalgesia caused by neuropathy is not known, the blocking effect of gabapentin on voltage-dependent calcium channels has been proposed to be involved. In order to further evaluate its analgesic mechanisms, we tested the efficacy of gabapentin on protein kinase C epsilon (PKCε) translocation in cultured peripheral neurons isolated from rat dorsal root ganglia (DRGs)...
2017: TheScientificWorldJournal
https://www.readbyqxmd.com/read/28286483/long-term-effects-pathophysiological-mechanisms-and-risk-factors-of-chemotherapy-induced-peripheral-neuropathies-a-comprehensive-literature-review
#13
REVIEW
Nicolas Kerckhove, Aurore Collin, Sakahlé Condé, Carine Chaleteix, Denis Pezet, David Balayssac
Neurotoxic anticancer drugs, such as platinum-based anticancer drugs, taxanes, vinca alkaloids, and proteasome/angiogenesis inhibitors are responsible for chemotherapy-induced peripheral neuropathy (CIPN). The health consequences of CIPN remain worrying as it is associated with several comorbidities and affects a specific population of patients already impacted by cancer, a strong driver for declines in older adults. The purpose of this review is to present a comprehensive overview of the long-term effects of CIPN in cancer patients and survivors...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28282295/effects-of-luteolin-and-luteolin-morphine-co-administration-on-acute-and-chronic-pain-and-sciatic-nerve-ligated-induced-neuropathy-in-mice
#14
Mahmoud Hashemzaei, Mina Abdollahzadeh, Mehrdad Iranshahi, Ebrahim Golmakani, Ramin Rezaee, Kaveh Tabrizian
Background Neuropathic pain (NP) is a common condition accompanied by nerve injury. To date, there is no definite treatment approved for this disorder. In addition, many drugs that are used for NP cause adverse reactions. Luteolin is a naturally occurring flavonoid with diverse pharmacological properties such as anti-inflammatory, antioxidant and anticancer. We sought to investigate luteolin effects on chronic, acute and neuropathic pain as well as its potential to increase morphine anti-nociceptive effects in mice...
March 1, 2017: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/28275386/a-case-report-of-syndrome-of-inappropriate-antidiuretic-hormone-induced-by-pregabalin
#15
Youn Joo Jung, Dong-Young Lee, Hae Won Kim, Hyun Sun Park, Beom Kim
The syndrome of inappropriate antidiuretic hormone secretion (SIADH) is the most common cause of euvolemic hyponatremia, and many medications have been associated with SIADH. Pregabalin is a drug used for the treatment of neuropathic pain, though common adverse effects include central nervous system disturbance, peripheral edema, and weight gain. However, hyponatremia caused by pregabalin has been rarely reported. Here we report a patient with pregabalin-induced hyponatremia who met the criteria for SIADH; after discontinuation of the drug, his condition rapidly improved...
December 2016: Electrolyte & Blood Pressure: E & BP
https://www.readbyqxmd.com/read/28272120/the-impact-of-serum-drug-concentration-on-the-efficacy-of-imipramine-pregabalin-and-their-combination-in-painful-polyneuropathy
#16
Søren H Sindrup, Jakob V Holbech, Flemming W Bach, Nanna B Finnerup, Kim Brøsen, Troels S Jensen
OBJECTIVE: The serum concentration-effect relation was explored for first line drugs in neuropathic pain and aimed to determine if efficacy could be increased. METHODS: Data from a randomized, placebo-controlled, cross-over trial on imipramine, pregabalin and their combination in painful polyneuropathy were used. Treatment periods were of 4 weeks' duration, outcome was the weekly median of daily pain rated by a 0-10 numeric scale, and drug concentrations were determined by high-performance liquid chromatography...
March 7, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/28271334/topical-treatments-for-localized-neuropathic-pain
#17
REVIEW
Roberto Casale, Z Symeonidou, M Bartolo
PURPOSE OF REVIEW: Topical therapeutic approaches in localized neuropathic pain (LNP) syndromes are increasingly used by both specialists and general practitioners, with a potentially promising effect on pain reduction. In this narrative review, we describe the available compounds for topical use in LNP syndromes and address their potential efficacy according to the literature. RECENT FINDINGS: Local anaesthetics (e.g., lidocaine, bupivacaine and mepivacaine), as well as general anaesthetic agents (e...
March 2017: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/28258733/-perioperative-gabapentin-and-pregabalin-in-cardiac-surgery-a-systematic-review-and-meta-analysis
#18
Souvik Maitra, Dalim K Baidya, Sulagna Bhattacharjee, Anirban Som
OBJECTIVES: Sternotomy for cardiac surgeries causes significant postoperative pain and when not properly managed may cause significant morbidity. As neuropathic pain is a significant component here, gabapentin and pregabalin may be effective in these patients and may reduce postoperative opioid consumption. The purpose of this systematic review was to find out efficacy of gabapentin and pregabalin in acute postoperative pain after cardiac surgery. METHODS: Published prospective human randomized clinical trials, which compared preoperative and/or postoperative gabapentin/pregabalin with placebo or no treatment for postoperative pain management after cardiac surgery has been included in this review...
March 1, 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28258674/ibudilast-a-non%C3%A2-selective-phosphodiesterase-inhibitor-in-brain-disorders
#19
Joanna Schwenkgrub, Małgorzata Zaremba, Dagmara Mirowska-Guzel, Iwona Kurkowska-Jastrzębska
Ibudilast (IBD) is a non‑selective (3, 4, 10, 11) phosphodiesterase (PDE) inhibitor, used mainly as a bronchodilator for the treatment of bronchial asthma. PDE play a central role in cellular function (e.g. differentiation, synaptic plasticity and inflammatory response) by metabolizing cyclic nucleotides. The results from preclinical and clinical studies indicate that IBD has a broader range of action through suppression of pro‑inflammatory cytokines (IL‑6, IL‑1β, TNF‑α), toll‑like receptor 4 blockade (TLR‑4), inhibition of a macrophage migration inhibitory factor (MIF), up‑regulation the anti‑inflammatory cytokine (IL‑10), and promotion of neurotrophic factors (GDNF, NGF, NT‑4)...
March 2, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28245667/novel-technique-for-trialing-peripheral-nerve-stimulation-ultrasonography-guided-stimucath-trial
#20
Chandan G Reddy, Oliver E Flouty, Marshall T Holland, Leigh A Rettenmaier, Mario Zanaty, Foad Elahi
OBJECTIVE Peripheral nerve stimulation (PNS) has been used for the treatment of neuropathic pain for many decades. Despite the specific indications for PNS, clinicians often have difficulty screening for candidates likely to have a good or fair outcome. Given the expense of a permanent implant, most insurance companies will not pay for the implant without a successful PNS trial. And since PNS has only recently been approved by the US Food and Drug Administration, many insurance companies will not pay for a conventional trial of PNS...
March 2017: Neurosurgical Focus
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