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Diabetic neuropathic pain treatment

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https://www.readbyqxmd.com/read/29782470/characterizing-abdominal-pain-in-patients-with-gastroparesis-into-neuropathic-and-nociceptive-components
#1
Asad Jehangir, Rany T Abdallah, Henry P Parkman
INTRODUCTION: The cause of abdominal pain (AP) in gastroparesis (Gp) is often not known; hence, its treatment can be challenging. Preoccupation with or increased attention (hypervigilance) to pain is associated with perceived pain severity and psychosocial disability. The aims of this study were to (1) characterize AP in Gp patients into neuropathic and nociceptive pain components; (2) assess these patients for hypervigilance to pain. MATERIALS AND METHODS: Gp patients with AP as an important symptom, seen from June 2017 to November 2017 were given validated questionnaires to characterize their AP...
May 18, 2018: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29774557/diabetes-induced-microvascular-complications-at-the-level-of-the-spinal-cord-a-contributing-factor-in-diabetic-neuropathic-pain
#2
N Ved, M E Da Vitoria Lobo, S M Bestall, C L Vidueira, N Beazley-Long, K Ballmer-Hofer, M Hirashima, D O Bates, L F Donaldson, R P Hulse
Abnormalities of neurovascular interactions within the central nervous system of diabetic patients is associated with the onset of many neurological disease states. However, to date, the link between the neurovascular network within the spinal cord and regulation of nociception has not been investigated despite neuropathic pain being common in diabetes. We hypothesised that hyperglycaemia-induced endothelial degeneration in the spinal cord, due to suppression of VEGF-A/VEGFR2 signalling, induces diabetic neuropathic pain...
May 17, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29752183/alkylsulfanyl-analogs-as-potent-%C3%AE-2-%C3%AE-ligands
#3
Kousei Shimada, Yasuo Ohata, Jun Kobayashi, Yoshiyuki Onishi, Asuka Kawamura, Yuki Domon, Naohisa Arakawa, Tatsuya Inoue, Yutaka Kitano, Fumihiko Matsuda, Yuki Abe, Tsuneo Deguchi
We identified novel (3R, 5S)-3-aminomethyl-5-methanesulfanyl hexanoic acid (5a: DS75091588) and (3R, 5S)-3-aminomethyl-5-ethanesulfanyl hexanoic acid (6a: DS18430756) as sulfur-containing γ-amino acid derivatives that were useful for the treatment of neuropathic pain. These two compounds exhibited a potent analgesic effect in animal models of both type I diabetes and type II diabetes, and good pharmacokinetics.
May 4, 2018: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29750294/lncrna-uc-48-is-involved-in-the-diabetic-immune-and-inflammatory-responses-mediated-by-p2x7-receptor-in-raw264-7-macrophages
#4
Hong Wu, Fang Wen, Mei Jiang, Qiang Liu, Yijun Nie
High glucose combined with high FFAs can contribute to the unfavorable development of type 2 diabetes mellitus (T2DM) and monocytes/macrophages are important in the occurrence and development of T2DM, which is regarded as a type of low‑grade inflammation. Although our previous study demonstrated that increased expression of P2X7 receptor (P2X7R) in peripheral blood monocytes may alter the innate immune system and that long non‑coding (lnc)RNA uc.48+ was involved in diabetic neuropathic pain, the involvement of uc...
May 9, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29749025/photobiomodulation-induces-antinociception-recovers-structural-aspects-and-regulates-mitochondrial-homeostasis-in-peripheral-nerve-of-diabetic-mice
#5
Victória Regina da Silva de Oliveira, Diego Pulzatto Cury, Laura Basílio Yamashita, Marcos Vinicius Esteca, Ii-Sei Watanabe, Yoko Fee Bergmann, Elaine Flamia Toniolo, Camila Squarzoni Dale
Diabetic Peripheral Neuropathy (DPN) is a nervous disorder caused by diabetes mellitus, affecting about 50% of patients in clinical medicine. Chronic pain is one of the major and most unpleasant symptoms developed by those patients, and conventional available treatments for the neuropathy, including the associated pain, are still unsatisfactory and benefit only a small number of patients. Photobiomodulation (PBM) has been gaining clinical acceptance once it is able to promote early nerve regeneration resulting in significant improvement peripheral nerves disabilities...
May 11, 2018: Journal of Biophotonics
https://www.readbyqxmd.com/read/29738803/standard-analgesics-reverse-burrowing-deficits-in-a-rat-cci-model-of-neuropathic-pain-but-not-in-models-of-type-1-and-type-2-diabetes-induced-neuropathic-pain
#6
Kris Rutten, Stacey A Gould, Luke Bryden, Henri Doods, Thomas Christoph, Anton Pekcec
BACKGROUND: Burrowing is a rodent behavior validated as a robust and reproducible outcome measure to infer the global effect of pain in several inflammatory pain models. However, less is known about the effect of analgesics on burrowing in neuropathic pain models and no studies have determined burrowing performance in models of diabetes-associated neuropathic pain. OBJECTIVE: To compare the sensitivity of the burrowing assay in different neuropathic pain models: mononeuropathic pain and diabetic polyneuropathy...
May 5, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/29736264/clinical-management-of-friedreich-s-ataxia-a-report-of-two-cases
#7
Yannis Dionyssiotis, Athina Kapsokoulou, Anna Danopoulou, Maria Kokolaki, Athina Vadalouka
Introduction: Friedreich's ataxia (FDRA) is the most common autosomal recessive, early-onset ataxia. FDRA is a progressive neurodegenerative disease that mainly affects the posterior (dorsal) columns of the spinal cord resulting in sensory ataxia. It manifests in initial symptoms of poor coordination and gait disturbance. Case presentation: We present two cases, a brother (54 years old) and sister (56 years old), with FDRA that are chronically institutionalized for incomplete quadriplegia without spasticity...
2018: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/29726290/alpha-lipoic-acid-in-obstetrics-and-gynecology
#8
Chiara Di Tucci, Mara Di Feliciantonio, Flaminia Vena, Carmela Capone, Michele Carlo Schiavi, Daniela Pietrangeli, Ludovico Muzii, Pierluigi Benedetti Panici
Alpha-Lipoic acid (ALA) is a natural antioxidant synthetized by plants and animals, identified as a catalytic agent for oxidative decarboxylation of pyruvate and α-ketoglutarate. In this review, we analyzed the action of ALA in gynecology and obstetrics focusing in particular on neuropathic pain and antioxidant and anti-inflammatory action. A comprehensive literature search was performed in PubMed and Cochrane Library for retrieving articles in English language on the antioxidant and anti-inflammatory effects of ALA in gynecological and obstetrical conditions...
May 4, 2018: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29713362/tanshinone-iia-attenuates-diabetic-peripheral-neuropathic-pain-in-experimental-rats-via-inhibiting-inflammation
#9
Baojian Zhang, Yanbing Yu, Gele Aori, Qi Wang, Dawei Kong, Wenqiang Yang, Zhuangli Guo, Li Zhang
Diabetic peripheral neuropathic pain (DPNP) is a common and intractable complication of diabetes. Conventional therapies are always not ideal; development of novel drugs is still needed to achieve better pain relief. Recent evidences have demonstrated that inflammation is involved in the onset and maintenance of DPNP. The anti-inflammatory property of Tanshinone IIA (TIIA) makes it a promising candidate to block or alter the pain perception. This study was conducted to investigate whether TIIA could attenuate DPNP in streptozotocin- (STZ-) induced rats model and its potential mechanisms...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29709457/diabetic-peripheral-neuropathy-epidemiology-diagnosis-and-pharmacotherapy
#10
REVIEW
Zohaib Iqbal, Shazli Azmi, Rahul Yadav, Maryam Ferdousi, Mohit Kumar, Daniel J Cuthbertson, Jonathan Lim, Rayaz A Malik, Uazman Alam
PURPOSE: Diabetic peripheral neuropathy (DPN) is the commonest cause of neuropathy worldwide, and its prevalence increases with the duration of diabetes. It affects approximately half of patients with diabetes. DPN is symmetric and predominantly sensory, starting distally and gradually spreading proximally in a glove-and-stocking distribution. It causes substantial morbidity and is associated with increased mortality. The unrelenting nature of pain in this condition can negatively affect a patient's sleep, mood, and functionality and result in a poor quality of life...
April 27, 2018: Clinical Therapeutics
https://www.readbyqxmd.com/read/29689688/swimming-exercise-induced-reversed-expression-of-mir-96-and-its-target-gene-nav1-3-in-diabetic-peripheral-neuropathy-in-rats
#11
Amir Mahmoudi Aghdam, Parviz Shahabi, Elham Karimi-Sales, Rafigheh Ghiasi, Saeed Sadigh-Eteghad, Javad Mahmoudi, Mohammad Reza Alipour
Diabetes is a common metabolic disease which leads to diabetic peripheral neuropathy. Recently, the role of microRNA-96 (miR-96) in alleviating neuropathic pain by inhibiting the expression of NaV1.3, an isoform of voltage-gated sodium channels, has been shown. Peripheral nerve injuries result in NaV1.3 elevation. Exercise has beneficial role in diabetes management and peripheral neuropathy. However, the effects of exercise on miR-96 and its target gene NaV1.3 in diabetic rats are unknown. Therefore, the present study investigated the effects of exercise training on the expression of miR-96 and NaV1...
April 25, 2018: Chinese Journal of Physiology
https://www.readbyqxmd.com/read/29628771/activation-of-spinal-dorsal-horn-p2y-13-receptors-can-promote-the-expression-of-il-1%C3%AE-and-il-6-in-rats-with-diabetic-neuropathic-pain
#12
Rui Zhou, Tao Xu, XiaoHong Liu, YuanShou Chen, DeYing Kong, Hong Tian, Mingxia Yue, Dujuan Huang, Junwei Zeng
Objective: The dorsal horn P2Y13 receptor is involved in the development of pain behavior induced by peripheral nerve injury. It is unclear whether the expression of proinflammatory cytokines interleukin (IL)-1β and IL-6 at the spinal dorsal horn are influenced after the activation of P2Y13 receptor in rats with diabetic neuropathic pain (DNP). Methods: A rat model of type 1 DNP was induced by intraperitoneal injection of streptozotocin (STZ). We examined the expression of P2Y13 receptor, Iba-1, IL-1β, IL-6, JAK2, STAT3, pTyr1336 , and pTyr1472 NR2B in rat spinal dorsal horn...
2018: Journal of Pain Research
https://www.readbyqxmd.com/read/29627772/altered-cerebral-blood-flow-in-the-anterior-cingulate-cortex-is-associated-with-neuropathic-pain
#13
Keisuke Watanabe, Shigeki Hirano, Kazuho Kojima, Kengo Nagashima, Hiroki Mukai, Takatoshi Sato, Minoru Takemoto, Koji Matsumoto, Takashi Iimori, Sagiri Isose, Shigeki Omori, Kazumoto Shibuya, Yukari Sekiguchi, Minako Beppu, Hiroshi Amino, Tomoki Suichi, Koutaro Yokote, Takashi Uno, Satoshi Kuwabara, Sonoko Misawa
OBJECTIVE: To assess the cerebral blood flow (CBF) in patients with diabetic neuropathic pain, and its changes after duloxetine therapy. METHODS: Using iodine-123-N-isopropyl-p-iodoamphetamine single-photon emission computed tomography (IMP-SPECT), we performed a cross-sectional study of 44 patients with diabetes, and compared CBF in those with (n = 24) and without neuropathic pain (n = 20). In patients with neuropathic pain, we also longitudinally assessed changes in CBF 3 months after treatment with duloxetine...
April 7, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29598922/diagnosis-and-assessment-of-neuropathic-pain-through-questionnaires
#14
REVIEW
Nadine Attal, Didier Bouhassira, Ralf Baron
Neuropathic pain-pain caused by a lesion or disease of the somatosensory nervous system-is underdiagnosed and difficult to treat. However, development of easy-to-use questionnaires based mainly on self-reports of symptoms has improved diagnosis and management. Two types of questionnaires (screening and assessment) have been validated, and rapidly translated and revalidated in several languages, probably because of their simplicity. Screening questionnaires help clinicians to identify neuropathic pain easily, particularly in patients with complex medical conditions (eg, spinal cord injury)...
March 26, 2018: Lancet Neurology
https://www.readbyqxmd.com/read/29588972/safety-and-tolerability-of-lacosamide-monotherapy-in-the-elderly-a-subgroup-analysis-from-lacosamide-trials-in-diabetic-neuropathic-pain
#15
Jacquelyn Bainbridge, Marc De Backer, Klaus Eckhardt, Frank Tennigkeit, Sabine Bongardt, David Sen, Konrad J Werhahn, Aziz Shaibani, Edward Faught
Objective: To assess the safety profile of lacosamide monotherapy in elderly (≥65 years) subjects with diabetic neuropathic pain (DNP). Methods: Of 1,863 DNP subjects in double-blind, randomized, placebo-controlled trials of lacosamide monotherapy (NCT00861445, NCT00235469, NCT00238524, NCT00135109, NCT00350103), 502 were elderly. Safety data from elderly subjects were compared with that of younger subjects (<65 years) within these DNP trials. It should be noted that lacosamide is approved for the treatment of focal (partial-onset) seizures; it is not approved/recommended for the treatment of DNP...
December 2017: Epilepsia Open
https://www.readbyqxmd.com/read/29577519/efficacy-and-safety-of-a-t-type-calcium-channel-blocker-in-patients-with-neuropathic-pain-a-proof-of-concept-randomised-double-blind-and-controlled-trial
#16
Nicolas Kerckhove, Bruno Pereira, Sandrine Soriot-Thomas, Haiel Alchaar, Rodrigue Deleens, Virith Sep Hieng, Eric Serra, Michel Lanteri-Minet, Pierre Arcagni, Pascale Picard, Daniele Lefebvre-Kuntz, Caroline Maindet, Gerard Mick, Laurent Balp, Christian Lucas, Christelle Creach, Marine Letellier, Valeria Martinez, Malou Navez, Didier Delbrouck, Emmanuelle Kuhn, Emilie Piquet, Eric Bozzolo, Christelle Brosse, Beatrice Lietar, Fabienne Marcaillou, Agnes Hamdani, Nathalie Leroux-Bromberg, Yannick Perier, Pascale Vergne-Salle, Christian Gov, Noemie Delage, Dominique Gillet, Sylvie Romettino, Damien Richard, Christophe Mallet, Lise Bernard, Céline Lambert, Claude Dubray, Christian Duale, Alain Eschalier
BACKGROUND: T-type calcium channels have been shown to play an important role in the initiation and maintenance of neuropathic pain and represent a promising therapeutic target for new analgesic treatments. Ethosuximide (ETX), an anticonvulsant and a T-type channel blocker has shown analgesic effect in several chronic pain models, but has not yet been evaluated in patients with neuropathic pain. METHODS: This proof-of-concept, multicentre, double-blind, controlled and randomised trial compared the efficacy and safety of ETX (given as add-on therapy) to an inactive control (IC) in 114 patients with non-diabetic peripheral neuropathic pain...
March 25, 2018: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29565948/a-randomized-double-blind-study-of-the-effects-of-a-sustained-release-formulation-of-sodium-nitrite-sr-nitrite-on-patients-with-diabetic-neuropathy
#17
Amol Soin, Glen Bock, Anthony Giordano, Chirag Patel, David Drachman
BACKGROUND: Sodium nitrite has been reported to be effective in reducing chronic peripheral pain. OBJECTIVES: To evaluate the safety and efficacy of 40 and 80 mg, BID, of an oral sustained release formulation of sodium nitrite (SR-nitrite) in patients suffering from diabetic neuropathy, and to determine whether SR-nitrite would reduce the frequency of headaches reported previously by subjects receiving the same doses of an immediate release formulation. STUDY DESIGN: Phase II, single-center, randomized, double-blind, placebo controlled clinical trial...
March 2018: Pain Physician
https://www.readbyqxmd.com/read/29533926/reducing-cxcr4-mediated-nociceptor-hyperexcitability-reverses-painful-diabetic-neuropathy
#18
Nirupa D Jayaraj, Bula J Bhattacharyya, Abdelhak A Belmadani, Dongjun Ren, Craig A Rathwell, Sandra Hackelberg, Brittany E Hopkins, Herschel R Gupta, Richard J Miller, Daniela M Menichella
Painful diabetic neuropathy (PDN) is an intractable complication of diabetes that affects 25% of patients. PDN is characterized by neuropathic pain and small-fiber degeneration, accompanied by dorsal root ganglion (DRG) nociceptor hyperexcitability and loss of their axons within the skin. The molecular mechanisms underlying DRG nociceptor hyperexcitability and small-fiber degeneration in PDN are unknown. We hypothesize that chemokine CXCL12/CXCR4 signaling is central to this mechanism, as we have shown that CXCL12/CXCR4 signaling is necessary for the development of mechanical allodynia, a pain hypersensitivity behavior common in PDN...
April 23, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29526716/inhibition-of-protein-tyrosine-phosphatase-1b-in-spinal-cord-dorsal-horn-of-rats-attenuated-diabetic-neuropathic-pain
#19
Ji-Yuan Zhao, Li Yang, Hu-Hu Bai, Jiang-Ping Liu, Zhan-Wei Suo, Xian Yang, Xiao-Dong Hu
Protein tyrosine phosphatase 1B (PTP1B) has been shown to dephosphorylate and inactivate insulin receptors, which contributes to the pathogenesis of diabetes. Neuropathic pain is one of the severe complications that results from diabetic neuropathy. However, whether PTP1B was involved in the development of diabetic neuropathic pain is largely unknown. The current study illustrated that PTP1B was located in spinal cord dorsal horn neurons of Sprague-Dawley rats. Western blot analysis demonstrated that the diabetic neuropathic pain induced by intraperitoneal injection of streptozotocin was associated with an increased protein expression and a dynamic redistribution of spinal PTP1B into excitatory glutamatergic synapses...
May 15, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29517942/effect-of-%C3%AE-lipoic-acid-on-symptoms-and-quality-of-life-in-patients-with-painful-diabetic-neuropathy
#20
Evangelos Agathos, Anastasios Tentolouris, Ioanna Eleftheriadou, Panagiota Katsaouni, Ioannis Nemtzas, Alexandra Petrou, Christina Papanikolaou, Nikolaos Tentolouris
Objective To examine the effect of α-lipoic acid on neuropathic symptoms in patients with diabetic neuropathy (DN). Methods Patients with painful DN were treated with 600 mg/day α-lipoic acid, orally, for 40 days. Neuropathy Symptom Score (NSS), Subjective Peripheral Neuropathy Screen Questionnaire (SPNSQ) and douleur neuropathique (DN)4 questionnaire scores were assessed at baseline and day 40. Quality-of-life treatment effects were assessed by Brief Pain Inventory (BPI), Neuropathic Pain Symptom Inventory (NPSI) and Sheehan Disability Scale (SDS)...
May 2018: Journal of International Medical Research
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