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https://www.readbyqxmd.com/read/28944554/limited-potential-of-cebranopadol-to-produce-opioid-type-physical-dependence-in-rodents
#1
Thomas M Tzschentke, Babette Y Kögel, Stefanie Frosch, Klaus Linz
Cebranopadol is a novel potent analgesic agonist at the nociceptin/orphanin FQ peptide (NOP) and classical opioid receptors. As NOP receptor activation has been shown to reduce side effects related to the activation of μ-opioid peptide (MOP) receptors, the present study evaluated opioid-type physical dependence produced by cebranopadol in mice and rats. In a naloxone-precipitated withdrawal assay in mice, a regimen of seven escalating doses of cebranopadol over 2 days produced only very limited physical dependence as evidenced by very little withdrawal symptoms (jumping) even at cebranopadol doses clearly exceeding the analgesic dose range...
September 25, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28944502/immune-reconstitution-inflammatory-syndrome-in-non-hiv-immunosuppressed-patients
#2
REVIEW
Hirohiko Sueki, Yoshiko Mizukawa, Yumi Aoyama
Immune reconstitution inflammatory syndrome (IRIS) represents a clinical phenomenon of immune-mediated inflammation against various antigens, including pathogenic microorganisms, drugs and unknown autoantigens, during recovery from immunosuppressed conditions. IRIS has become well recognized in HIV-infected populations. However, IRIS has seldom been recognized in HIV-negative immunocompromised patients. In the last 15 years, the immunopathogenesis of drug-induced hypersensitivity syndrome (DIHS) has been largely determined...
September 25, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28944090/rapid-identification-of-buprenorphine-in-patient-saliva
#3
Stuart Farquharson, Kathryn Dana, Chetan Shende, Zachary Gladding, Jenelle Newcomb, Jessica Dascher, Ismene L Petrakis, Albert J Arias
Buprenorphine is becoming the medication of choice to help patients withdraw from opioid addiction. However, treatment is compromised by the inability of physicians to assess patient usage during scheduled examinations. Here we describe the development of a point-of-care (POC) analyzer that can rapidly measure both illicit and treatment drugs in patient saliva, ideally in the physician's office, and with a degree of accuracy similar to chromatography. The analyzer employs a relatively simple supported liquid extraction to isolate the drugs from the saliva and surface-enhanced Raman spectroscopy (SERS) to detect the drugs...
June 2017: Journal of Analytical & Bioanalytical Techniques
https://www.readbyqxmd.com/read/28943562/ceftriaxone-induced-neurotoxicity-in-a-patient-after-pancreas-kidney-transplantation
#4
Hideharu Hagiya, Koji Miyawaki, Norihisa Yamamoto, Hisao Yoshida, Akihiro Kitagawa, Tadafumi Asaoka, Hidetoshi Eguchi, Yukihiro Akeda, Kazunori Tomono
Ceftriaxone is a widely used third-generation cephalosporin showing advantageous pharmacokinetic properties and a broad antimicrobial spectrum. We herein report a case of ceftriaxone-induced neurotoxicity in a 56-year-old man on hemodialysis. Seven days after initiating high-dose ceftriaxone, the patient developed impaired consciousness along with facial myoclonus and sporadic phonation. The symptoms clearly disappeared shortly after withdrawal of the drug. Ceftriaxone is considered a safe antibiotic for patients with renal insufficiency, since it is excreted via both haptic and renal pathways...
September 25, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28942596/the-multidimensional-therapeutic-potential-of-targeting-the-brain-oxytocin-system-for-the-treatment-of-substance-use-disorders
#5
Michael T Bowen, Inga D Neumann
The neuropeptide oxytocin is released both into the blood and within the brain in response to reproductive stimuli, such as birth, suckling and sex, but also in response to social interaction and stressors. Substance use disorders, or addictions, are chronic, relapsing brain disorders and are one of the major causes of global burden of disease. Unfortunately, current treatment options for substance use disorders are extremely limited and a treatment breakthrough is sorely needed. There is mounting preclinical evidence that targeting the brain oxytocin system may provide that breakthrough...
September 24, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28942002/long-enduring-primary-hepatocyte-based-co-cultures-improve-prediction-of-hepatotoxicity
#6
Eric I Novik, Jacquelyn Dwyer, James K Morelli, Amit Parekh, Cheul Cho, Eitan Pludwinski, Anil Shrirao, Robert M Freedman, James S MacDonald, Zaid Jayyosi
The failure of drug candidates during clinical trials and post-marketing withdrawal due to Drug Induced Liver Injury (DILI), results in significant late-stage attrition in the pharmaceutical industry. Animal studies have proven insufficient to definitively predict DILI in the clinic, therefore a variety of in vitro models are being tested in an effort to improve prediction of human hepatotoxicity. The model system described here consists of cryopreserved primary rat, dog or human hepatocytes co-cultured together with a fibroblast cell line, which aids in the hepatocytes' maintenance of more in vivo-like characteristics compared to traditional hepatic mono-cultures, including long term viability and retention of activity of cytochrome P450 isozymes...
September 20, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28940879/phosphorylation-of-calcium-calmodulin-dependent-protein-kinase-ii-in-the-rat-dorsal-medial-prefrontal-cortex-is-associated-with-alcohol-induced-cognitive-inflexibility
#7
Luis A Natividad, Michael Q Steinman, Sarah A Laredo, Cristina Irimia, Ilham Y Polis, Robert Lintz, Matthew W Buczynski, Rémi Martin-Fardon, Marisa Roberto, Loren H Parsons
Repeated cycles of alcohol [ethanol (EtOH)] intoxication and withdrawal dysregulate excitatory glutamatergic systems in the brain and induce neuroadaptations in the medial prefrontal cortex (mPFC) that contribute to cognitive dysfunction. The mPFC is composed of subdivisions that are functionally distinct, with dorsal regions facilitating drug-cue associations and ventral regions modulating new learning in the absence of drug. A key modulator of glutamatergic activity is the holoenzyme calcium/calmodulin-dependent protein kinase II (CaMKII) that phosphorylates ionotropic glutamate receptors...
September 22, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28940866/pharmacologically-controlled-drinking-in-the-treatment-of-alcohol-dependence-or-alcohol-use-disorders-a-systematic-review-with-direct-and-network-meta-analyses-on-nalmefene-naltrexone-acamprosate-baclofen-and-topiramate
#8
REVIEW
Clément Palpacuer, Renan Duprez, Alexandre Huneau, Clara Locher, Rémy Boussageon, Bruno Laviolle, Florian Naudet
BACKGROUND AND AIMS: Pharmacologically controlled drinking in the treatment of alcohol dependence or alcohol use disorders (AUDs) is an emerging concept. Our objective was to explore the comparative effectiveness of drugs used in this indication. DESIGN: Systematic review with direct and network meta-analysis of double-blind randomized controlled trials (RCTs) assessing the efficacy of nalmefene, naltrexone, acamprosate, baclofen or topiramate in non-abstinent adults diagnosed with alcohol dependence or AUDs...
September 20, 2017: Addiction
https://www.readbyqxmd.com/read/28940083/efficacy-and-safety-of-antiepileptic-drugs-for-refractory-partial-onset-epilepsy-a-network-meta-analysis
#9
REVIEW
Qingting Hu, Fang Zhang, Wenhui Teng, Fangfang Hao, Jing Zhang, Mingxiao Yin, Naidong Wang
The optimal combination of antiepileptic drugs (AEDs) for the treatment of refractory partial-onset epilepsy is a perpetual point of debate. While several network meta-analyses (NMAs) have been published, conclusions remain controversial, especially since newer AEDs have been introduced. In our review, we included the newer AEDs to evaluate the comparative efficacy and safety of AEDs for the treatment of refractory partial-onset epilepsy. We searched PubMed, Embase, and the Cochrane Central Register of Controlled Trials (Cochrane Library 2017, Issue 1) from their inception to February 18, 2017...
September 22, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28937941/the-scheduling-of-kratom-and-selective-use-of-data
#10
O Hayden Griffin, Megan E Webb
Kratom is a traditional drug from Southeast Asia that has been an emerging new substance in the United States. On August 30, 2016, the DEA announced the intention to emergency schedule kratom into Schedule I. To support this decision, the DEA cited an increase in drug seizures of kratom and an increase in calls to poison control concerning kratom. However, a short time later, on October 12, 2016, the DEA withdrew the intent to schedule kratom after public and congressional backlash. The withdrawal by the DEA was somewhat unprecedented...
September 22, 2017: Journal of Psychoactive Drugs
https://www.readbyqxmd.com/read/28936791/nmda-receptors-and-no-cgmp-signaling-pathway-mediate-the-diazepam-induced-sensitization-to-withdrawal-signs-in-mice
#11
Sylwia Talarek, Joanna Listos, Jolanta Orzelska-Gorka, Anna Serefko, Jolanta Kotlińska
The goal of the present study was to examine the effects of N-methyl-aspartate (NMDA) receptor antagonists-memantine and ketamine and the drugs modifying the NO:cGMP pathway-NG-nitro-L-arginine methyl ester (L-NAME) and 7-nitroindazole (7-NI), the endogenous precursor of NO-L-arginine, and the guanylyl cyclase inhibitor-methylene blue (MB) on the development of sensitization to withdrawal signs precipitated after chronic, interrupted treatment with diazepam, a benzodiazepine receptor agonist, in mice. To develop the sensitization, the mice were divided into groups: continuously and sporadically (with two diazepam-free periods) treated with diazepam (15 mg/kg, sc)...
September 21, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28936080/maintainence-treatment-of-opioid-dependence-with-tramadol
#12
Siddharth Sarkar, Mohit Varshney, Vaibhav Patil, Rakesh Lal
BACKGROUND: Although tramadol has been used in the management of acute withdrawal in patients with opioid dependence, its use for maintenance treatment as a harm reduction approach has not been assessed systematically. This case series describes patients with opioid dependence who were treated with tramadol for long-term maintenance. METHODS: Patients with opioid dependence who received treatment at the National Drug Dependence Treatment Centre of All India Institute of Medical Sciences, New Delhi, were included in the study...
August 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28935425/-amiodarone-induced-immune-complex-cutaneous-vasculitis
#13
M Ndiaye, B Lebrun-Vignes, N Ortonne, L Fardet
BACKGROUND: A wide variety of drugs can cause cutaneous vasculitis. Herein we report a case of immune complex vasculitis induced by amiodarone. PATIENTS AND METHODS: A 57-year-old patient reported a recent history of pruritus associated with large erythematous, inflammatory, necrotic plaques localized on the lower limbs and back. These cutaneous lesions had appeared less than 2 months after initiation of amiodarone for supra-ventricular arrhythmia. Histological and direct immunofluorescence examinations of a skin biopsy sample revealed vasculitis with the presence of IgM and C3 immune complexes in vessels...
September 18, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28933008/importance-of-publishing-adverse-drug-reaction-case-reports-promoting-public-health-and-advancing-pharmacology-and-therapeutics
#14
Rashmi R Shah
This article, which encourages physicians to publish case reports of adverse drug reactions (ADRs), is a review of how well-documented published case reports have contributed to promoting public safety and health and thus served to advance basic pharmacology. The origin of a number of regulatory guidelines can ultimately be traced to safety concerns triggered by such reports. It illustrates how case reports of ADRs, when coupled with simultaneous monitoring of drug pharmacokinetics, have also led to further investigations resulting in major advances in pharmacology, especially pharmacogenetics, mechanisms of drug-drug interactions and modulation of drug metabolism during inflammatory co-morbidities...
September 20, 2017: Drug Safety—Case Reports
https://www.readbyqxmd.com/read/28932875/-severe-cutaneous-drug-reactions-in-children
#15
REVIEW
M Mockenhaupt
Among severe drug reactions in children, besides Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN), a specific form of hypersensitivity syndrome which is nowadays known as "drug reaction with eosinophilia and systemic symptoms" (DRESS) has to be mentioned. Whereas SJS/TEN is considered one reaction entity of different severity, DRESS has to be distinguished from SJS/TEN but also from other severe exanthems due to multiorgan involvement. Although SJS/TEN is generally referred to as a drug reaction, only about 75% of all cases are actually caused by medications and in children it is only about 50%...
September 20, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28932549/statins-may-be-beneficial-for-patients-with-pulmonary-hypertension-secondary-to-lung-diseases
#16
Ming-Zhou Zhang, De-Hui Qian, Jian-Cheng Xu, Wei Yao, Ye Fan, Chang-Zheng Wang
BACKGROUND: Previous animal studies and clinical trials report inconsistent findings regarding the role of statins in pulmonary hypertension (PH). Systematic reviews have shown no use of statins on pulmonary arterial hypertension (PAH). This is the first meta-analysis of randomized controlled trials (RCTs) determining the clinical impacts of statin therapy on patients with PH secondary to lung diseases. METHODS: Electronic databases and manual bibliographical searches were conducted...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28931433/role-of-gabaa-receptors-in-alcohol-use-disorders-suggested-by-chronic-intermittent-ethanol-cie-rodent-model
#17
REVIEW
Richard W Olsen, Jing Liang
GABAergic inhibitory transmission is involved in the acute and chronic effects of ethanol on the brain and behavior. One-dose ethanol exposure induces transient plastic changes in GABAA receptor subunit levels, composition, and regional and subcellular localization. Rapid down-regulation of early responder δ subunit-containing GABAA receptor subtypes mediating ethanol-sensitive tonic inhibitory currents in critical neuronal circuits corresponds to rapid tolerance to ethanol's behavioral responses. Slightly slower, α1 subunit-containing GABAA receptor subtypes mediating ethanol-insensitive synaptic inhibition are down-regulated, corresponding to tolerance to additional ethanol behaviors plus cross-tolerance to other GABAergic drugs including benzodiazepines, anesthetics, and neurosteroids, especially sedative-hypnotic effects...
September 20, 2017: Molecular Brain
https://www.readbyqxmd.com/read/28931308/clinical-factors-associated-with-adherence-to-the-premedication-protocol-for-withdrawal-of-mechanical-ventilation-in-terminally-ill-patients-a-4-year-experience-at-a-single-medical-center-in-asia
#18
Chao-Hui Wang, Pei-Wei Huang, Chia-Yen Hung, Shu-Hui Lee, Chen-Yi Kao, Hung-Ming Wang, Yu-Shin Hung, Po-Jung Su, Yung-Chia Kuo, Chia-Hsun Hsieh, Wen-Chi Chou
PURPOSE: Data on end-of-life care practices in Asia are scarce. This study aimed to analyze the clinical factors associated with the recommended premedication protocol for mechanical ventilation withdrawal, in Taiwan. METHODS: A total of 135 terminally ill patients who had mechanical ventilation withdrawn between 2013 and 2016 from a single medical center in Taiwan were enrolled. A premedication protocol of morphine and midazolam intravenous bolus was routinely recommended for the patients before mechanical ventilation withdrawal...
January 1, 2017: American Journal of Hospice & Palliative Care
https://www.readbyqxmd.com/read/28929669/-clinical-analysis-of-modified-chaiping-decoction-in-treating-hbeag-negative-chronic-hepatitis-b
#19
Zheng-Rong Ye, Wei-Xing Du, Lin Wu
To observe the clinical efficacy of modified Chaiping decoction for HBeAg-negative chronic hepatitis B under DaBianZheng theory(syndrome differentiation theory) guidance with understanding of purgative detoxing and modern pharmacology research of traditional Chinese medicine. The patients with HBeAg-negative chronic hepatitis B(n=119) were randomly divided into treatment group(n=69) and control group(n=50). The patients in treatment group were treated with the modified Chaiping decoction(6 doses per week, one dose every day in two times by oral administration), and the patients in control group were treated with lamivudine(LAM) (100 mg/time, once a day)...
October 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28929472/-ivermectin-as-an-adjunct-in-the-treatment-of-refractory-epilepsy
#20
J A Diazgranados-Sanchez, J L Mejia-Fernandez, L S Chan-Guevara, M H Valencia-Artunduaga, J L Costa
INTRODUCTION: Ivermectin, a 22'23 dihydro derivative of avermectins beta-1a, is a highly effective veterinary and human anti parasitic, used to treat endoparasites of difficult control such as filariasis and onchocerciasis, with a median plasma life of at least of 16 hours. The recommended therapeutic doses range from 0.05 to 0.40 mg/kg, without undesirable effects or risk to human life. It went from being a great success in animal health to its application in humans, where it has had great impact...
October 1, 2017: Revista de Neurologia
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