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https://www.readbyqxmd.com/read/27917870/high-frequency-stimulation-of-the-subthalamic-nucleus-blocks-compulsive-like-re-escalation-of-heroin-taking-in-rats
#1
Carrie L Wade, Marsida Kallupi, Daniel O Hernandez, Emmanuel Breysse, Giordano de Guglielmo, Elena Crawford, George F Koob, Paul Schweitzer, Christelle Baunez, Olivier George
Opioid addiction, including addiction to heroin, has dramatically increased in the last decade. The cost and pervasiveness of heroin addiction, including resistance to recovery from addiction, provide a compelling basis for developing novel therapeutic strategies. Deep brain stimulation may represent a viable alternative strategy for the treatment of intractable heroin addiction particularly in individuals who are resistant to traditional therapies. Here, we provide preclinical evidence of the therapeutic potential of high-frequency stimulation of the subthalamic nucleus (STN HFS) for heroin addiction...
December 5, 2016: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27909407/the-tlr4-active-morphine-metabolite-morphine-3-glucuronide-does-not-elicit-macrophage-classical-activation-in-vitro
#2
Samira Khabbazi, Nan Xie, Wenjun Pu, Yannick Goumon, Marie-Odile Parat
Macrophages are abundant in the tumor microenvironment where they adopt a pro-tumor phenotype following alternative polarization induced by paracrine factors from cancer and stromal cells. In contrast, classically activated macrophages have tumoricidal activities, such that the polarization of tumor-associated macrophages has become a novel therapeutic target. Toll-like receptor 4 engagement promotes classical activation of macrophages, and recent literature suggests TLR4 agonism to prevent metastasis and promote survival in experimental metastasis models...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27900781/the-present-and-future-of-opioid-analgesics-in-small-animal-practice
#3
REVIEW
B T Simon, P V Steagall
Opioids are the cornerstone for the treatment of acute pain in small animal patients. This is primarily because of their remarkable safety profile, high efficacy, and benefit of reversibility. There have been some significant advances in our knowledge on opioid pharmacology and clinical usage in companion animal medicine. This review discusses the progression of opioid use in small animal practice providing current misconceptions and controversies in light of routes of administration. Potential targets for research and drug development and novel therapies are discussed in addition to the concepts of glial cell modulators, individual variability, and opioid tolerance and hyperalgesia...
November 30, 2016: Journal of Veterinary Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27900771/laparoscopic-guided-psoas-blockade-as-a-novel-analgesic-method-during-inguinal-herniorrhaphy-a-clinical-trial
#4
T F Tammam, A F Salama
BACKGROUND: Under laparoscopic guidance, block of ilioinguinal, iliohypogastric, and genitofemoral nerves can be possible with anesthetic injection in the plane between psoas major and the fasciae covering its anterior aspects [laparoscopic-assisted psoas (LAP) blockade]. This observer-blinded trial aimed to compare the opioid-sparing effect of LAP block with transversus abdominis plane (TAP) block after laparoscopic inguinal herniorrhaphy. METHODS: Forty-five male patients were randomly assigned to receive LAP block, group LAP (n = 23), or ultrasound-guided TAP block, group TAP (n = 22)...
November 30, 2016: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/27899200/-mucoadhesive-buccal-films-of-tramadol-for-effective-pain-management
#5
Xiao-Qin Li, Zhao-Ming Ye, Jian-Bing Wang, Cai-Rong Fan, Ai-Wu Pan, Cong Li, Ren-Bing Zhang
BACKGROUND AND OBJECTIVES: Tramadol hydrochloride is a centrally-acting synthetic opioid analgesic binding to specific opioid receptors. It is used in the management of chronic pain and is recommended as first line drug in the treatment of postoperative or orthopedic injury induced acute pain. The present work is designed to prepare and evaluate mucoadhesive buccal film of tramadol hydrochloride as a novel form of prolonged analgesia for patients with orthopedic injuries. METHODS: Buccal films of tramadol hydrochloride were prepared by solvent casting method...
November 26, 2016: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/27893572/pain-management-in-pediatric-burn-patients-review-of-recent-literature-and-future-directions
#6
Omar Pardesi, Gennadiy Fuzaylov
Childhood burns are a profoundly traumatic and painful experience. Despite recognition of the prevalence of burn injuries in children and the severity of the associated pain, burn pain remains undertreated. At the same time, more evidence is emerging to suggest that undertreated pain has serious long-term medical and psychiatric consequences, many of which can be ameliorated with improved pain control. Pain in burn patients is, however, notoriously difficult to treat, perhaps because there is a chronic pain aspect underlying the acute pain that accompanies wound care and procedures...
November 17, 2016: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/27890743/considering-future-pharmacotherapy-for-ptsd
#7
REVIEW
Matthew J Friedman, Nancy C Bernardy
Posttraumatic stress disorder (PTSD) is a prevalent, disabling, and often chronic condition that may develop following exposure to a traumatic event. Despite the immense social and economic ramifications of PTSD, there has been relatively little recent development of new pharmacotherapies. The majority of pharmacological randomized clinical trials (RCTs) that has been conducted are now dated. Existing treatments for PTSD primarily have come out of research that tested medications developed for other disorders such as antidepressants, anti-hypertensives, antipsychotics, anticonvulsants, and anxiolytics...
November 24, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27889114/the-hidden-web-and-the-fentanyl-problem-detection-of-ocfentanil-as-an-adulterant-in-heroin
#8
Pol Quintana, Mireia Ventura, Marc Grifell, Alvaro Palma, Liliana Galindo, Iván Fornís, Cristina Gil, Xoán Carbón, Fernando Caudevilla, Magí Farré, Marta Torrens
BACKGROUND: The popularization of anonymous markets such as Silk Road is challenging current drug policy and may provide a new context for old issues, such as adulteration of heroin with fentanyl derivatives. The aims of this paper are to report the presence of ocfentanil, a novel, potent, non-controlled fentanyl analog, in samples sold as heroin in the hidden web, and to summarize the effects reported by users. METHODS: In 2015, four samples allegedly bought as heroin in cryptomarkets of the hidden web were sent to Energy Control for analysis...
November 23, 2016: International Journal on Drug Policy
https://www.readbyqxmd.com/read/27882209/marketed-new-drug-delivery-systems-for-opioid-agonists-antagonists-administration-a-rapid-overview
#9
REVIEW
Hoda Soltani, Abbas Pardakhty
Novel drug delivery systems for controlled-release of opioid agonists as a long time painkillers or opioid antagonists for opium, heroin, and alcohol addiction are under development or in clinical use today. In this article, the field of "new drug delivery systems" is momentarily reviewed from the viewpoint of the marketed opioid agonists/antagonists dosage forms today.
April 2016: Addiction & Health
https://www.readbyqxmd.com/read/27881770/enhancing-remyelination-through-a-novel-opioid-receptor-pathway
#10
Jeremy C Borniger, Zoe C Hesp
No abstract text is available yet for this article.
November 23, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27875419/new-treatment-options-for-irritable-bowel-syndrome-with-predominant-diarrhea
#11
H Christian Weber
PURPOSE OF REVIEW: Irritable bowel syndrome (IBS) is a highly prevalent gastrointestinal disorder with negative impact on quality of life and it represents a substantial economic burden on healthcare cost. The medical management of IBS remains largely symptomatic. This review provides an update related to the most recently published diagnostic Rome IV criteria for IBS and clinical trial data for novel treatment modalities in IBS targeting the peripheral opioid receptors of the enteric nervous system and the gut microbiota...
November 24, 2016: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/27873179/oxycodone-deterx-%C3%A2-a-novel-abuse-deterrent-extended-release-analgesic-option-for-the-treatment-of-patients-with-chronic-pain
#12
REVIEW
Jeff Gudin
BACKGROUND: Extended-release (ER) opioid analgesics are commonly used to provide safe and effective pain relief to treat pain severe enough to require around-the-clock, long-term dosing. These ER opioid formulations usually contain more drug per dosage unit than immediate-release (IR) agents, and therefore bring with them challenges related to both opioid abuse and misuse, often through manipulation of the dosage form. Oxycodone DETERx(®) (Xtampza(®) ER, Collegium Pharmaceutical, Inc...
December 2016: Pain and Therapy
https://www.readbyqxmd.com/read/27871536/novel-methods-of-local-anesthetic-delivery-in-the-perioperative-and-postoperative-setting-potential-for-fibrin-hydrogel-delivery
#13
REVIEW
Laura Kearney, Derek Whelan, Brian D O'Donnell, Anthony J P Clover
The benefits of high-quality postoperative analgesia are well documented and include earlier mobilization, fewer respiratory and cardiovascular complications, and shorter hospital stay. Local anesthesia-based acute pain regimens are at worst equal to and at best superior to opiate-based regimens from the perspective of analgesia. A multimodal approach limiting opioids by combining with local anesthetics has additional beneficial effect on outcomes such as nausea and vomiting, pruritus, gastrointestinal function, respiratory complications, and neutrophil function...
December 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27865836/g-protein-coupled-kinase-2-upregulation-causes-%C3%AE%C2%BA-opioid-receptor-desensitization-in-diabetic-heart
#14
Xiyao Chen, Shihao Zhao, Yunlong Xia, Zhenyu Xiong, Yueyang Li, Ling Tao, Fuyang Zhang, Xiaoming Wang
Activation of κ-opioid receptor (KOR) ameliorates myocardial ischemia/reperfusion (I/R) injury; however, cardioprotective effects of KOR stimulation disappear in type 1 diabetic subjects with hyperglycemia. The molecular mechanisms underlying this phenomenon remain unknown. Here we found that KOR expression was obviously downregulated and KOR agonism-induced contractile-regulatory/cardioprotective effects were significantly impaired in hearts isolated from streptozotocin (STZ) injection-induced diabetic mice...
November 16, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27857950/the-thermal-probe-test-a-novel-behavioral-assay-to-quantify-thermal-paw-withdrawal-thresholds-in-mice
#15
Jennifer R Deuis, Irina Vetter
Rodent models are frequently used to improve our understanding of the molecular mechanisms of pain and to develop novel analgesics. Robust behavioral assays that quantify nociceptive responses to different sensory modalities, such has heat, are therefore needed. Here, we describe a novel behavioral assay to quantify thermal paw withdrawal thresholds in mice, called the thermal probe test, and compared it with other methods commonly used to measure heat thresholds, namely the Hargreaves test and the dynamic and conventional hot plate tests...
April 2016: Temperature: Multidisciplinary Biomedical Journal
https://www.readbyqxmd.com/read/27853254/gastrodin-protects-against-chronic-inflammatory-pain-by-inhibiting-spinal-synaptic-potentiation
#16
Mei-Mei Xiao, Yu-Qi Zhang, Wen-Ting Wang, Wen-Juan Han, Zhen Lin, Rou-Gang Xie, Zhi Cao, Na Lu, San-Jue Hu, Sheng-Xi Wu, Hui Dong, Ceng Luo
Tissue injury is known to produce inflammation and pain. Synaptic potentiation between peripheral nociceptors and spinal lamina I neurons has been proposed to serve as a trigger for chronic inflammatory pain. Gastrodin is a main bioactive constituent of the traditional Chinese herbal medicine Gastrodia elata Blume, which has been widely used as an analgesic since ancient times. However, its underlying cellular mechanisms have remained elusive. The present study demonstrated for the first time that gastrodin exhibits an analgesic effect at the spinal level on spontaneous pain, mechanical and thermal pain hypersensitivity induced by peripheral inflammation, which is not dependent on opioid receptors and without tolerance...
November 17, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27836523/-why-and-how-to-perform-an-ultrasound-guided-transversus-abdominis-plane-block-a-step-by-step-approach
#17
E Nohuz, B El Drayi, A Triki, K Grossmannova, B Boudier, K Koffi, M Albaut, C Dualé
Used in clinical practice as part of a multimodal analgesic regimen, the transversus abdominis plane block (TAP block) is a relative novel procedure in which local anaesthetic agents are injected into the anatomic neurofascial space between the internal oblique and the transversus abdominis muscle. It allows a significantly prolonged duration of analgesia during the early postoperative stage in abdominal surgery. This regional anesthesia technique provides analgesia to the skin, muscles of the anterior abdominal wall and parietal peritoneum in order to decrease the incision-related pain...
December 2016: Gynécologie, Obstétrique & Fertilité
https://www.readbyqxmd.com/read/27835034/novel-pharmacological-treatment-strategies-for-posttraumatic-stress-disorder
#18
Eileen Thomas, Dan J Stein
A wide range of medications have been studied for posttraumatic stress disorder (PTSD) and a number are registered for this indication. Nevertheless, current pharmacotherapies are only partially effective in some patients, and are minimally effective in others. Thus novel treatment avenues need to be explored. Areas covered: In considering novel pharmacological agents for the treatment of PTSD, this paper takes a translational approach. We outline how advances in our understanding of the underlying neurobiology of PTSD may inform the identification of potential new treatment targets, including glutamatergic, noradrenergic and opioid pathways...
November 11, 2016: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/27834131/recent-highlights-on-molecular-hybrids-potentially-useful-in-central-nervous-system-disorders
#19
Mariana Matias, Samuel Silvestre, Amílcar Falcão, Gilberto Alves
Molecular hybridization is a recent strategy based in the covalent fusion of two or more existing pharmacophores to create a single molecule with multiple mechanisms of action, which represents an encouraging approach in the development of new drugs with potential therapeutic application in several pathologies. This review provides a comprehensive perspective of the most relevant advances in the development of hybrid molecules acting in the central nervous system. For instance, several opioid hybrids based on endogenous opioid peptides, such as enkephalins, deltorphin and endomorphin, have been developed and γ-aminobutyric acid (GABA) agonists have also been designed for neuropathic pain control...
November 11, 2016: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/27831648/a-personalized-approach-identifies-disturbed-pathways-and-key-genes-in-hepatitis-c-virus-cirrhosis-with-hepatocellular-carcinoma
#20
Y-G Li, M-X Zheng, G Wang
OBJECTIVE: This work aimed to identify disturbed pathways in hepatitis C virus (HCV)-cirrhosis with hepatocellular carcinoma (HCC) based on individualized pathway aberrance score (iPAS) method. MATERIALS AND METHODS: First of all, gene expression data and pathway data were recruited and preprocessed. Next, iPAS method, which contained three steps (gene-level statistics based on average Z algorithm, pathway-level statistics and pathway significant analysis based on Wilcoxon-test), was performed to identify differential pathways in HCV-cirrhosis with HCC...
October 2016: European Review for Medical and Pharmacological Sciences
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