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https://www.readbyqxmd.com/read/28440858/treatment-with-disease-modifying-drugs-for-people-with-a-first-clinical-attack-suggestive-of-multiple-sclerosis
#1
REVIEW
Graziella Filippini, Cinzia Del Giovane, Marinella Clerico, Omid Beiki, Miriam Mattoscio, Federico Piazza, Sten Fredrikson, Irene Tramacere, Antonio Scalfari, Georgia Salanti
BACKGROUND: The treatment of multiple sclerosis has changed over the last 20 years. The advent of disease-modifying drugs in the mid-1990s heralded a period of rapid progress in the understanding and management of multiple sclerosis. With the support of magnetic resonance imaging early diagnosis is possible, enabling treatment initiation at the time of the first clinical attack. As most of the disease-modifying drugs are associated with adverse events, patients and clinicians need to weigh the benefit and safety of the various early treatment options before taking informed decisions...
April 25, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28440191/cannabis-a-neurological-remedy-or-a-drug-of-abuse-in-india
#2
Pronit Biswas, Pooja Mishra, Devasish Bose, Abhilasha Durgbanshi
Since ancient times it is well documented the use of cannabis as a medicine due to its potential therapeutic activity while subsequently its use as drug of abuse spread increasingly. The present review sought to give an insight in the history of medical and recreational use of cannabis in India. Indian use of cannabis dates back to Vedic time, mostly for the ritualistic and religious purposed, as documented in the ancient literature. It was India that introduced the medical use of cannabis to neighboring countries...
April 23, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/28439398/a-practical-approach-to-the-pharmacological-management-of-hypertension-in-older-people
#3
REVIEW
Nikesh Parekh, Amy Page, Khalid Ali, Kevin Davies, Chakravarthi Rajkumar
Hypertension is the leading cause of cardiovascular (CV) morbidity and mortality in adults over the age of 65. The first part of this paper is an overview, summarizing the current guidelines on the pharmacological management of hypertension in older adults in Europe and the USA, and evidence from key trials that contributed to the guidelines. In the second part of the paper, we will discuss the major challenges of managing hypertension in the context of multimorbidity, including frailty, orthostatic hypotension (OH), falls and cognitive impairment that are associated with ageing...
April 2017: Therapeutic Advances in Drug Safety
https://www.readbyqxmd.com/read/28438569/methylprednisolone-liver-toxicity-a-new-case-and-a-french-regional-pharmacovigilance-survey
#4
Jérôme Dumortier, Judith Cottin, Caroline Lavie, Olivier Guillaud, Valérie Hervieu, Christine Chambon-Augoyard, Jean-Yves Scoazec, Sandra Vukusic, Thierry Vial
Reported hepatotoxicity induced by corticosteroids is very rare, and the diagnosis is highly challenging in the context of auto-immune disease. We report here a case of high-dose methylprednisolone (MP)-induced acute hepatitis confirmed by liver histology in a patient with multiple sclerosis (MS) and a case series (n=4) notified to the French Pharmacovigilance center of Lyon. In all 5 cases, other common causes of hepatitis were excluded. The causal relationship with MP pulse therapy was supported by the fact that MP was the only culprit drug...
April 21, 2017: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/28438436/effects-of-dextran-sulfate-sodium-induced-experimental-colitis-on-cytochrome-p450-activity-in-rat-liver-kidney-and-intestine
#5
Nan Hu, Yanjuan Huang, Xuejiao Gao, Sai Li, Zhixiang Yan, Bin Wei, Ru Yan
Dextran sulfate sodium (DSS) induced experimental colitis presents a histologic resemblance to human ulcerative colitis (UC). Altered cytochrome P450s (CYPs) have been reported in this model and patients with UC. In this study, six CYPs activities were quantitatively determined in microsomes of liver (RLMs), kidney (RRMs) and intestine (RIMs) from rats with colitis at acute (5% DSS for 7 days, UCA) and remission (7-day DSS treatment followed by 7-day cessation, UCR) phases and compared with normal rats. Generally, CYPs activities varied with isoform, organ, and disease status...
April 21, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28437154/prediction-of-relapse-from-hyperthyroidism-following-antithyroid-medication-withdrawal-using-technetium-thyroid-uptake-scanning
#6
Manouchehr Nakhjavani, Soraya Abdollahi, Saeed Farzanefar, Mohammadtagi Abousaidi, Alireza Esteghamati, Maryam Naseri, Mohamad Eftekhari, Mehrshad Abbasi
OBJECTIVE: Technetium thyroid uptake (TTU) is not inhibited by antithyroid drugs (ATD) and reflects the degree of thyroid stimulation. We intended to predict the relapse rate from hyperthyroidism based on TTU measurement. METHODS: Out of 44 initially enrolled subjects, 38 patients aged 41.6 ± 14.6 with Graves disease (duration: 84 ± 78 months) completed the study. TTU was performed with 40-second imaging of the neck and mediastinum 20 minutes after injection of 1 mCi technetium-99m pertechnetate...
April 2, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28436314/metabolomic-approaches-in-the-discovery-of-potential-urinary-biomarkers-of-drug-induced-liver-injury-dili
#7
Ana Margarida Araújo, Márcia Carvalho, Félix Carvalho, Maria de Lourdes Bastos, Paula Guedes de Pinho
Drug-induced liver injury (DILI) is a major safety issue during drug development, as well as the most common cause for the withdrawal of drugs from the pharmaceutical market. The identification of DILI biomarkers is a labor-intensive area. Conventional biomarkers are not specific and often only appear at significant levels when liver damage is substantial. Therefore, new biomarkers for early identification of hepatotoxicity during the drug discovery process are needed, thus resulting in lower development costs and safer drugs...
April 24, 2017: Critical Reviews in Toxicology
https://www.readbyqxmd.com/read/28435008/cortical-and-amygdalar-neuronal-ensembles-in-alcohol-seeking-drinking-and-withdrawal
#8
REVIEW
Olivier George, Bruce T Hope
Alcohol induces many alterations in the brain that are thought to contribute to alcohol addiction. Most of the known alterations are induced in all neurons of a brain area or all neurons of a given cell type, regardless of whether they were activated during behavior. While these alterations can have important modulatory effects on behavior, they cannot explain why animals respond specifically to alcohol-paired cues as opposed to all other non-paired cues, and evoke highly specific goal-directed learned responses in models of drug craving...
April 20, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28432716/deciphering-tacrolimus-induced-toxicity-in-pancreatic-%C3%AE-cells
#9
J Triñanes, A E Rodriguez-Rodriguez, Y Brito, A Wagner, A P J De Vries, G Cuesto, A Acebes, E Salido, A Torres, E Porrini
β-cell transcription factors like: FoxO1, MafA, PDX-1, NeuroD, are dysfunctional in type 2 diabetes (T2DM). PTDM resembles T2DM and reflects interaction between pre-transplant insulin resistance and immunosuppressants, mainly calcineurin inhibitors. We evaluated the effect of tacrolimus, cyclosporine-A and metabolic stressors (glucose+palmitate) on insulinoma β-cells (INS-1) in vitro and in pancreata of obese and lean Zucker rats. Cells were cultured for five days with 100μM palmitate and 22mM glucose; cyclosporin-A (250ng/mL) or tacrolimus (15ng/mL) were added the last 48h...
April 22, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28431969/crfr1-in-the-ventromedial-caudate-putamen-modulates-acute-stress-enhanced-expression-of-cocaine-locomotor-sensitization
#10
Shuli Liu, Zhiyan Wang, Yijing Li, Xiaowei Sun, Feifei Ge, Mingda Yang, Xinjuan Wang, Na Wang, Junkai Wang, Cailian Cui
Repeated exposure to psychostimulants induces a long-lasting enhancement of locomotor activity called behavioral sensitization, which is often reinforced by stress after drug withdrawal. The mechanisms underlying these phenomena remain elusive. Here we explored the effects of acute stress 3 or 14 days after the cessation of chronic cocaine treatment on the expression of locomotor sensitization induced by a cocaine challenge in rats and the key brain region and molecular mechanism underlying the phenomenon. A single session of forced swimming, as an acute stress (administered 2 days after the cessation of cocaine), significantly enhanced the expression of cocaine locomotor sensitization 14 days after the final cocaine injection (challenge at 12 days after acute stress) but not 3 days after the cessation of cocaine (challenge at 1 day after acute stress)...
April 18, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28430081/prevalence-and-factors-associated-with-criminal-behavior-among-illicit-drug-users-a-cross-sectional-study
#11
Rafael Alves Guimarães, Natália Silva Mesquita, Renata Silva Lopes, Roselma Lucchese, Rodrigo Lopes de Felipe, Ivânia Vera, Inaina Lara Fernandes, Paulo Alexandre de Castro, Luiz Henrique Batista Monteiro, Graciele Cristina Silva
BACKGROUND: Studies indicate high rates of criminal behavior, violent activities, and legal problems among illicit drug users (IDU) in Brazil. The aim of this study was to estimate the prevalence and factors associated with criminal behavior among IDU undergoing treatment for chemical dependency in Central Brazil. METHODS: Cross-sectional study carried out with IDU undergoing treatment for chemical dependence. Data were collected by means of face-to-face interviews and analyzed using logistic regression...
April 21, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28429843/pooled-analysis-of-three-randomized-double-blind-placebo-controlled-trials-with-rimonabant-for-smoking-cessation
#12
Jason D Robinson, Paul M Cinciripini, Maher Karam-Hage, Henri-Jean Aubin, Lowell C Dale, Raymond Niaura, Robert M Anthenelli
Despite the withdrawal of CB1 antagonists, such as rimonabant, from the market and from active clinical development because of concerns about their side effect profiles, research suggests that the endocannabinoid system may play an important role in modulating nicotine's effects. We report the combined results, using a pooled analysis, of three previously unpublished trials assessing rimonabant as a smoking cessation pharmacotherapy conducted between 2002 and 2004. Smokers (n = 2097) motivated to quit were enrolled in three randomized, double-blind, placebo-controlled trials, STRATUS EU, US, and META, which consisted of a 10-week treatment period with either rimonabant 20 mg (n = 789), 5 mg (n = 518; used in only two of the three studies), or placebo (n = 790), in conjunction with brief counseling...
April 21, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28428532/ceftriaxone-induced-hemolytic-anemia-in-a-jehovah-s-witness
#13
James Tasch, Pedro Gonzalez-Zayaz
BACKGROUND Drug-induced immune hemolytic anemia (DIIHA) is a rare condition that may result from the administration of an antibiotic, most notably the cephalosporin class, commonly used in both the adult and pediatric populations. A delay in recognition by a provider may lead to continuation of the offending agent and possibly result in fatal outcomes. CASE REPORT We report the case of a 65-year-old woman on ceftriaxone infusions after being diagnosed with acute mitral valve endocarditis 3 weeks prior, which presented with severe anemia and bilateral transient vision loss...
April 21, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28426670/mice-expressing-a-hyper-sensitive-form-of-the-cb1-cannabinoid-receptor-cb1-show-modestly-enhanced-alcohol-preference-and-consumption
#14
David J Marcus, Angela N Henderson-Redmond, Maciej Gonek, Michael L Zee, Jill C Farnsworth, Randa A Amin, Mary-Jeanette Andrews, Brian J Davis, Ken Mackie, Daniel J Morgan
We recently characterized S426A/S430A mutant mice expressing a desensitization-resistant form of the CB1 receptor. These mice display an enhanced response to endocannabinoids and ∆9-THC. In this study, S426A/S430A mutants were used as a novel model to test whether ethanol consumption, morphine dependence, and reward for these drugs are potentiated in mice with a "hyper-sensitive" form of CB1. Using an unlimited-access, two-bottle choice, voluntary drinking paradigm, S426A/S430A mutants exhibit modestly increased intake and preference for low (6%) but not higher concentrations of ethanol...
2017: PloS One
https://www.readbyqxmd.com/read/28422076/zeglobaltox-an-innovative-approach-to-address-organ-drug-toxicity-using-zebrafish
#15
Carles Cornet, Simone Calzolari, Rafael Miñana-Prieto, Sylvia Dyballa, Els van Doornmalen, Helma Rutjes, Thierry Savy, Davide D'Amico, Javier Terriente
Toxicity is one of the major attrition causes during the drug development process. In that line, cardio-, neuro-, and hepatotoxicities are among the main reasons behind the retirement of drugs in clinical phases and post market withdrawal. Zebrafish exploitation in high-throughput drug screening is becoming an important tool to assess the toxicity and efficacy of novel drugs. This animal model has, from early developmental stages, fully functional organs from a physiological point of view. Thus, drug-induced organ-toxicity can be detected in larval stages, allowing a high predictive power on possible human drug-induced liabilities...
April 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28421999/use-and-withdrawal-of-immunosuppressors-in-primary-sj%C3%A3-gren-s-syndrome
#16
Jiram Torres-Ruiz, David Faz-Muñoz, Nora Hernández-Díaz, Gabriela Hernandez-Molina
OBJECTIVES: To assess the use and causes of withdrawal of glucocorticoids and immunosuppressors among patients with primary Sjögren's syndrome (pSS) in the clinical setting. METHODS: We retrospectively reviewed the medical records of 155 pSS patients and registered demographics, glandular/extraglandular features, serological data, cumulative ESSDAI and SSDDI. A single rheumatologist attributed the indication and cause of withdrawal of glucocorticoids and immunosuppressors...
April 18, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28421383/pharmacokinetics-safety-and-tolerability-of-single-and-multiple-doses-of-guanfacine-extended-release-formulation-in-healthy-japanese-and-caucasian-male-adults
#17
Yumiko Matsuo, Masafumi Okita, James Ermer, Toshihiro Wajima
BACKGROUND AND OBJECTIVE: Guanfacine extended-release (guanfacine XR) could be a useful treatment option for children and adolescent patients with attention-deficit/hyperactivity disorder (ADHD). As an initial step in the development in Japan, the pharmacokinetics, safety and tolerability were assessed in healthy Japanese and non-Hispanic Caucasian adults. METHODS: A Phase 1, double-blind, randomized, placebo-controlled, single- and multiple-oral dose escalation study of guanfacine XR was conducted...
April 18, 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/28420389/assessment-of-copy-number-variation-in-genes-related-to-drug-resistance-in-plasmodium-vivax-and-plasmodium-falciparum-isolates-from-the-brazilian-amazon-and-a-systematic-review-of-the-literature
#18
Gabriel Luíz Costa, Lara Cotta Amaral, Cor Jesus Fernandes Fontes, Luzia Helena Carvalho, Cristiana Ferreira Alves de Brito, Taís Nóbrega de Sousa
BACKGROUND: Parasite resistance to anti-malarials represents a great obstacle for malaria elimination. The majority of studies have investigated the association between single-nucleotide polymorphisms (SNPs) and drug resistance; however, it is becoming clear that the copy number variation (CNV) is also associated with this parasite phenotype. To provide a baseline for molecular surveillance of anti-malarial drug resistance in the Brazilian Amazon, the present study characterized the genetic profile of both markers in the most common genes associated with drug resistance in Plasmodium falciparum and Plasmodium vivax isolates...
April 19, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28417566/cannabinoid-type-1-receptor-cb1-bioligand-with-therapeutic-potential-for-withdrawal-syndrome-in-chemical-dependents-cannabis-sativa
#19
Lorane Hage Melim, Jaderson V Ferreira, Gisele A Chaves, Bianca L B Marino, Kessia P A Sousa, Lucilene R Souza, Maiara F B Brito, Hueldem R C Teixeira, Carlos H T P Silva, Cleydson B R Santos
Cannabis sativa withdrawal syndrome is characterized mainly by psychological symptoms. Using computational tools, the aim was to propose drug candidates based on natural ligands of the cannabinoid type 1 receptor (CB1), where only the molecule ZINC1730183 showed a positive prediction for the human CB1 receptor and easy synthetic prediction of accessibility. Therefore, this molecule proves to be a favorable proposal, suggesting the continuation of this research as a pharmacotherapeutic alternative to the withdrawal syndrome of C...
April 17, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28414989/role-of-cortical-alpha-2-adrenoceptors-in-alcohol-withdrawal-induced-depression-and-tricyclic-antidepressants
#20
Bruk Getachew, Sheketha R Hauser, Antonei B Csoka, Robert E Taylor, Yousef Tizabi
INTRODUCTION: Although a role for alpha-2 adrenoceptors (alpha-2 ARs) in alcohol use disorder (AUD) and depression is suggested, very little information on a direct interaction between alcohol and these receptors is available. METHODS: In this study adult female Wistar and Wistar-Kyoto (WKY) rats, a putative animal model of depression, were exposed to alcohol vapor 3h daily for 10days (blood alcohol concentration ∼150mg%) followed by daily injection of 10mg/kg of imipramine (IMP, a selective norepinephrine NE/serotonin reuptake inhibitor) or nomifensine (NOMI, a selective NE/dopamine reuptake inhibitor)...
April 4, 2017: Drug and Alcohol Dependence
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