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https://www.readbyqxmd.com/read/28526722/phase-ii-study-of-modified-carboplatin-plus-weekly-nab-paclitaxel-in-elderly-patients-with-non-small-cell-lung-cancer-north-japan-lung-cancer-study-group-trial-1301
#1
Eisaku Miyauchi, Akira Inoue, Kazuhiro Usui, Shunichi Sugawara, Makoto Maemondo, Heisuke Saito, Yuka Fujita, Terufumi Kato, Toshiro Suzuki, Toshiyuki Harada, Hiroshi Watanabe, Taku Nakagawa, Masakazu Ichinose
LESSONS LEARNED: Weekly nanoparticle albumin-bound-paclitaxel (75 mg/m(2)) in combination with carboplatin (area under the curve 6 mg/mL/min) in elderly patients with previously untreated, advanced non-small cell lung cancer showed favorable efficacy, was well tolerated, and showed less neuropathic toxicity.This modified regimen offers potential for the treatment of elderly patients. BACKGROUND: The CA031 trial suggested weekly nanoparticle albumin-bound-paclitaxel (nab-PTX) was superior in efficacy to paclitaxel (PTX) once every 3 weeks when combined with carboplatin (CBDCA) for advanced non-small cell lung cancer (NSCLC) patients; a subgroup analysis of elderly patients looked promising...
May 19, 2017: Oncologist
https://www.readbyqxmd.com/read/28526335/the-spider-toxin-ph%C3%AE-1%C3%AE-recombinant-possesses-strong-analgesic-activity
#2
Flavia Karine Rigo, Gabriela Trevisan, Samira Dal-Toé De Prá, Marta Nascimento Cordeiro, Marcia Helena Borges, Juliana Figueiredo Silva, Flavia Viana Santa Cecilia, Alessandra Hubner de Souza, Gabriela de Oliveira Adamante, Alessandra Marcon Milioli, Célio José de Castro Junior, Juliano Ferreira, Marcus Vinicius Gomez
The native Phα1β - a Voltage-Gated Calcium Channel (VGCC) blocker - and its Recombinant Version - were both tested in rodent pain models with an intraplantar injections of capsaicin or formalin, a chronic constriction injury, and melanoma cancer related pain. The formalin nociceptive behaviour in the neurogenic phase was not affected by the toxin pre-treatments, while in the inflammatory phase, Phα1β and the Recombinant form caused a significant reduction. The nociception that was triggered by capsaicin, an agonist of the TRPV1 vanilloid receptor, was totally blocked by 100 pmol/site, i...
May 17, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28525735/structure-based-rational-design-of-self-inhibitory-peptides-to-disrupt-the-intermolecular-interaction-between-the-troponin-subunits-c-and-i-in-neuropathic-pain
#3
Junmin Yu, Shilei Wang, Junjie Yu, Chuansheng Liu, Fenghe Xu, Shijie Wang, Yusheng Yi, Yanwei Yin
The troponin (Tn) is a ternary complex consisting of three subunits TnC, TnI and TnT; molecular disruption of the Tn complex has been recognized as an attractive strategy against neuropathic pain. Here, a self-inhibitory peptide is stripped from the switch region of TnI interaction interface with TnC, which is considered as a lead molecular entity and then used to generate potential peptide disruptors of TnC-TnI interaction based on a rational molecular design protocol. The region is a helical peptide segment capped by N- and C-terminal disorders...
May 3, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28525717/synthesis-and-biological-evaluation-of-novel-neuroprotective-pyridazine-derivatives-as-excitatory-amino-acid-transporter-2-eaat2-activators
#4
Alessia Chelini, Simone Brogi, Marco Paolino, Angela Di Capua, Andrea Cappelli, Gianluca Giorgi, Mersedeh Farzad, Lorenzo Di Cesare Mannelli, Laura Micheli, Carla Ghelardini, Maurizio Anzini
LDN-212320 (3) was found to be a potent EAAT2 activator at a translational level, restoring the normal clearance of glutamate and providing neuronal protection. Since the pharmacologic activation of EAAT2 represents a valuable strategy to relieve neuropathic pain, we synthesized novel activators (4a-f) of EAAT2. Among them 4f, analysed in comparison with compound 3 in different rat models of oxaliplatin-induced neuropathic pain, showed the better anti-hypersensitive profile being able to fully counteract the oxaliplatin-induced neuropathy...
May 19, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28524457/cyclization-of-motor-cortex-stimulation-for-neuropathic-pain-a-prospective-randomized-blinded-trial
#5
Zurab Ivanishvili, Anujan Poologaindran, Christopher R Honey
OBJECTIVES: Programming guidelines for motor cortex stimulation (MCS) in neuropathic pain requires further investigation. After optimizing voltage as a percentage of motor threshold, we evaluated the effect of cyclizing time of stimulation on pain relief for chronic neuropathic pain. METHODS: Six patients were enrolled into this trial. In a prospective, randomized, double-blinded manner, patients were programmed to receive stimulation 100, 83.3, 66.7, or 50% of the time in 30-min intervals...
May 19, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28522185/orofacial-complex-regional-pain-syndrome-pathophysiologic-mechanisms-and-functional-mri
#6
Yeon-Hee Lee, Kyung Mi Lee, Hyug-Gi Kim, Soo-Kyung Kang, Q-Schick Auh, Jyung-Pyo Hong, Yang-Hyun Chun
Complex regional pain syndrome (CRPS) is one of the most challenging chronic pain conditions and is characterized by burning pain, allodynia, hyperalgesia, autonomic changes, trophic changes, edema, and functional loss involving mainly the extremities. Until recently, very few reports have been published concerning CRPS involving the orofacial area. We report on a 50-year-old female patient who presented with unbearable pain in all of her teeth and hypersensitivity of the facial skin. She also reported intractable pain in both extremities accompanied by temperature changes and orofacial pain that increased when the other pains were aggravated...
March 14, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28522091/trajectories-of-sleep-quality-during-the-first-three-years-after-breast-cancer-diagnosis
#7
Filipa Fontes, Milton Severo, Marta Gonçalves, Susana Pereira, Nuno Lunet
OBJECTIVE: To identify trajectories of sleep quality up to three years after breast cancer diagnosis and to assess differences in characteristics of patients across distinct trajectories. METHODS: A total of 458 breast cancer patients underwent a neurological evaluation before treatment and at one and three years after diagnosis. Clinical data were obtained throughout the follow-up. Anxiety and depression were evaluated at baseline, using the Hospital Anxiety and Depression Scale...
June 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28520647/altered-brain-structure-and-function-associated-with-sensory-and-affective-components-of-classic-trigeminal-neuralgia
#8
Yuan Wang, Dong-Yuan Cao, Bethany Remeniuk, Samuel Krimmel, David A Seminowicz, Ming Zhang
Classic trigeminal neuralgia (CTN) is a chronic neuropathic pain state characterized by intense, piercing spasms of the orofacial region, and may be attributable to abnormal pain processing in the central nervous system. Our study investigated neuronal alterations using voxel-based morphometry (VBM), diffuse tensor imaging (DTI), and resting state functional connectivity in 38 CTN patients and 38 matched healthy controls. For VBM analyses, CTN patients displayed gray matter volume (GMV) reductions in the anterior and mid cingulate cortex (ACC and MCC), insula, secondary somatosensory cortex (S2), primary motor cortex (M1), premotor area (PMA), and several regions in the temporal lobe...
May 16, 2017: Pain
https://www.readbyqxmd.com/read/28518084/subcutaneous-trigeminal-nerve-field-stimulation-for-refractory-facial-pain
#9
Martin Jakobs, Sigrid Schuh-Hofer, Andreas Unterberg, Rezvan Ahmadi
Chronic or neuropathic trigeminal facial pain can be challenging to treat. Neurosurgical procedures should be applied when conservative treatment fails. Neuromodulation techniques for chronic facial pain include deep brain stimulation and motor cortex stimulation, which are complex to perform. Subcutaneous nerve field stimulation is certified for chronic back pain and is the least invasive form of neuromodulation. We applied this technique to treat chronic and neuropathic trigeminal pain as an individual therapy concept...
May 10, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28514790/neuropathic-pain-phenotyping-by-international-consensus-neuroppic-for-genetic-studies-a-neupsig-systematic-review-delphi-survey-and-expert-panel-recommendations-erratum
#10
https://www.readbyqxmd.com/read/28514742/effect-and-mechanism-of-inhibition-of-pi3k-akt-mtor-signal-pathway-on-chronic-neuropathic-pain-and-spinal-microglia-in-a-rat-model-of-chronic-constriction-injury
#11
Jian-Rong Guo, Huan Wang, Xiao-Ju Jin, Dong-Lin Jia, Xun Zhou, Qiang Tao
OBJECTIVE: To explore the effects of inhibition of PI3K/Akt/mTOR signal pathway on chronic neuropathic pain (CNP) and spinal microglia in a rat model of chronic constriction injury (CCI). METHODS: Male SD rats were assigned into control, sham, CCI, wortmannin, dimethyl sulfoxide (DMSO) and wortmannin-positive control groups. Paw withdrawal mechanical threshold (PWMT) and thermal withdrawal latency (TWL) were recorded. qRT-PCR and Western blotting were used to detect PI3K, Akt and mTOR expressions and their phosphorylation...
May 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28514508/methadone-for-neuropathic-pain-in-adults
#12
REVIEW
Ewan D McNicol, McKenzie C Ferguson, Roman Schumann
BACKGROUND: This review replaces an earlier review, "Methadone for chronic non-cancer pain in adults". This review serves to update the original and includes only studies of neuropathic pain. Methadone belongs to a class of analgesics known as opioids, that are considered the cornerstone of therapy for moderate-to-severe postsurgical pain and pain due to life-threatening illnesses; however, their use in neuropathic pain is controversial. Methadone has many characteristics that differentiate it from other opioids, which suggests that it may have a different efficacy and safety profile...
May 17, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28514309/a-randomized-controlled-trial-of-botulinum-toxin-a-for-treating-neuropathic-pain-in-patients-with-spinal-cord-injury
#13
Gang Li, Chang-An Lv, Li Tian, Lian-Jin Jin, Ping Sun, Wei Zhao
BACKGROUND: To assess the effect of botulinum toxin A (BTA) for treating neuropathic pain in patients with spinal cord injury (SCI). METHODS: A total of 44 patients with SCI with neuropathic pain were randomly divided into the intervention group and the placebo group, each group 21 patients. The subjects in the intervention group received BTA (200 U subcutaneous injection, once daily) at the painful area, whereas those in the placebo group were administered a saline placebo...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28514232/ppar%C3%AE-agonists-attenuate-trigeminal-neuropathic-pain
#14
Danielle N Lyons, Liping Zhang, Robert J Danaher, Craig S Miller, Karin N Westlund
The aim of this study is to investigate the role of peroxisome proliferator-activated receptor-gamma isoform (PPARγ), in trigeminal neuropathic pain utilizing a novel mouse trigeminal inflammatory compression (TIC) injury model. The study determined that the PPARγ nuclear receptor plays a significant role in trigeminal nociception transmission, evidenced by: (1) Intense PPARγ immunoreactivity is expressed 3 weeks after TIC nerve injury in the spinal trigeminal caudalis, the termination site of trigeminal nociceptive nerve fibers...
May 16, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/28511693/antagonistic-action-on-nmda-glun2b-mediated-currents-of-two-peptides-that-were-conantokin-g-structure-based-designed
#15
Edwin A Reyes-Guzman, Nohora Vega-Castro, Edgar A Reyes-Montaño, Esperanza Recio-Pinto
BACKGROUND: The GluN2B subunit of the N-methyl-D-aspartate receptor (NMDAr) modulates many physiological processes including learning, memory, and pain. Excessive increase in NMDAr/GluN2B activity has been associated with various disorders such neuropathic pain and neuronal death following hypoxia. Thus there is an interest in identifying NMDAr antagonists that interact specifically with the GluN2B subunit. Recently based on structural analysis between the GluN2B subunit and conantokin-G, a toxin that interacts selectively with the GluN2B subunit, we designed various peptides that are predicted to act as NMDAr antagonists by interacting with the GluN2B subunit...
May 16, 2017: BMC Neuroscience
https://www.readbyqxmd.com/read/28511074/charcot-arthropathy-of-the-knee-after-unsuccessful-spinal-stenosis-surgery-a-case-report
#16
Melih Cıvan, Önder Yazıcıoğlu, Mehmet Çakmak, Turgut Akgül
INTRODUCTION: Charcot arthropathy was first described in 1868 by Jean Martin Charcot as a progressive and destructive joint disease. Diabetes, polyneuropathy, syphilis, syrengomyelia and chronic alcoholism are the main causes of the disease. In this study we present a Charcot arthropathy of the knee seen after unsuccessful spinal stenosis surgery. PRESENTATION OF CASE: We report here a case of 62 years old patient with Charcot arthropathy at her left knee developed one year after spinal stenosis surgery...
May 5, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28510137/possible-mechanism-of-bursting-suppression-in-nociceptive-neurons
#17
O E Dick, B V Krylov, A D Nozdrachev
The use of the mathematical model of rat nociceptive neuron membrane allowed us to predict a new mechanism of suppression of ectopic bursting discharges, which arise in neurons of dorsal root ganglia and are one of the causes of neuropathic pain. The treatment with comenic acid leads to switching off the ectopic bursting discharges due to a decrease in the effective charge transferring via the activation gating structure of the slow sodium channels (Na V1.8a). Comenic acid is a drug substance of a new non-opioid analgesic [1] Thus, this analgesic not only reduces the frequency of rhythmic discharges of nociceptive neuron membrane [2] but also it suppresses its ectopic bursting discharges...
March 2017: Doklady. Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28508514/migraine-prevalence-in-inflammatory-bowel-disease-patients-a%C3%A2-tertiary-care-centre-cross-sectional-study
#18
X Moisset, G Bommelaer, M Boube, L Ouchchane, M Goutte, M Dapoigny, R Dallel, A Guttmann, P Clavelou, A Buisson
BACKGROUND: Inflammatory bowel diseases (IBD) are systemic, chronic inflammatory conditions that predominately affect the gastrointestinal tract and can induce abdominal pain. Besides, many IBD patients complain about headaches in daily practice. The objective was to assess the prevalence of headaches, including migraines and pain with neuropathic characteristics (NC), in IBD patients compared to historical controls from the general population. METHODS: Overall, 203 consecutive tertiary-care centre patients completed validated self-administered questionnaires and benefitted from a clinical evaluation performed by an IBD physician at the same time...
May 16, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28508174/preclinical-comparison-of-mechanistically-different-antiseizure-antinociceptive-and-or-antidepressant-drugs-in-a-battery-of-rodent-models-of-nociceptive-and-neuropathic-pain
#19
Misty D Smith, Jose H Woodhead, Laura J Handy, Timothy H Pruess, Fabiola Vanegas, Erin Grussendorf, Joel Grussendorf, Karen White, Karolina K Bulaj, Reisa K Krumin, Megan Hunt, Karen S Wilcox
The series of experiments herein evaluated prototype drugs representing different mechanisms of antiseizure, antinociceptive or antidepressant action in a battery of preclinical pain models in adult male CF#1 mice (formalin, writhing, and tail flick) and Sprague Dawley rats partial sciatic nerve ligation (PSNL). In the formalin assay, phenytoin (PHT, 6 mg/kg), sodium valproate (VPA, 300 mg/kg), amitriptyline (AMI, 7.5 and 15 mg/kg), gabapentin (GBP, 30 and 70 mg/kg), tiagabine (TGB, 5 and 15 mg/kg), and acetominophen (APAP, 250 and 500 mg/kg) reduced both phases of the formalin response to ≤ 25% of vehicle-treated mice...
May 15, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28507468/paradoxical-effect-of-minocycline-on-established-neuropathic-pain-in-rat
#20
Malek Zarei, Masoumeh Sabetkasaei, Taraneh Moini-Zanjani
Neuropathic pain occurs after peripheral nerve damage, inflammation or infection. In this situation, microglial cells become activated and play a key role in producing pain. Minocycline (microglia inhibitor), was reported to reduce pain when used preventively. However, it seems that, when used after nerve injury, results in its pain reducing effects are different. In this regard, to assess the pain reducing differences of minocycline, neuropathic pain was induced by the ligation of the sciatic nerve in the rat which is recognized as chronic constriction injury (CCI) and minocycline was administered before and after sciatic nerve injury...
2017: EXCLI journal
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