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Drug withdrawal

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https://www.readbyqxmd.com/read/28240353/carbamazepine-versus-phenytoin-monotherapy-for-epilepsy-an-individual-participant-data-review
#1
REVIEW
Sarah J Nevitt, Anthony G Marson, Jennifer Weston, Catrin Tudur Smith
BACKGROUND: This is an updated version of the original Cochrane Review published in Issue 2, 2002 and its subsequent updates in 2010 and 2015.Epilepsy is a common neurological condition in which recurrent, unprovoked seizures are caused by abnormal electrical discharges from the brain. It is believed that with effective drug treatment, up to 70% of individuals with active epilepsy have the potential to become seizure-free and go into long-term remission shortly after starting drug therapy with a single antiepileptic drug in monotherapy...
February 27, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28239805/comparative-study-efficacy-of-closed-looptarget-controlled-infusion-of-cisatracurium-and-other-administration-methods-for-spinal-surgery-of-elderly-patients
#2
X-D Ma, J Yan, B-Z Dai, D-Q Kong, S-Y Du, B-P Li
OBJECTIVE: To observe the efficacy of traditional administration, continuous pump injection, and closed-loop target controlled infusion of cisatracurium to determine the optimal method of drug administration, and to establish the individualized and rational administration of muscle relaxants in elderly patients. PATIENTS AND METHODS: A total of 150 patients who underwent spinal surgery under tracheal intubation general anesthesia in our hospital from August 2013 to April 2015 were selected...
February 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28238125/post-marketing-regulation-of-medicines-withdrawn-from-the-market-because-of-drug-attributed-deaths-an-analysis-of-justification
#3
Igho J Onakpoya, Carl J Heneghan, Jeffrey K Aronson
INTRODUCTION: Several medicinal products have been withdrawn from the market because of drug-attributed deaths. However, there has been no investigation of whether such withdrawals were justified, and the extent to which confirmatory studies are used to investigate drug-adverse event relationships when deaths are reported is uncertain. We documented medicinal products withdrawn from the market because of drug-attributed deaths, identified confirmatory studies investigating the drug-adverse event relationships, examined whether withdrawals of medicinal products because of drug-attributed deaths after marketing were justified based on a mechanistic analysis, and examined the trends over time...
February 25, 2017: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
https://www.readbyqxmd.com/read/28237804/s-adenosyl-methionine-sam-attenuates-the-development-of-tolerance-to-analgesic-activity-of-morphine-in-rats
#4
Jatinder Katyal, Hemant Kumar, Dinesh Joshi, Yogendra Kumar Gupta
BACKGROUND: Development of tolerance to analgesic effect, on chronic administration of morphine, limits its clinical usefulness in pain management. S-adenosyl methionine (SAM) used for arthritis and approved as a supplement in many countries including United States was evaluated for reducing morphine tolerance. METHODS: Male 'Wistar' rats were used. The analgesic activity was determined using tail flick analgesiometer (Columbus Instruments, USA). Rats given morphine (7mg/kg), intraperitoneally (ip), once daily for 5days developed tolerance to analgesic effect...
February 22, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28237322/effect-of-chronic-administration-of-sildenafil-citrate-viagra-on-the-histology-of-the-retina-and-optic-nerve-of-adult-male-rat
#5
Sohair A Eltony, Sally Y Abdelhameed
BACKGROUND: Abnormal vision has been reported by 3% of patients treated with sildenafil citrate (Viagra). Although many men use Viagra for an extended period for treatment of erectile dysfunction, the implications of the long term-daily use of it on the retina and optic nerve are unclear. AIM OF THE WORK: To investigate the effect of chronic daily use of sildenafil citrate in a dose equivalent to men preferred therapeutic dose on the histology of the retina and optic nerve of adult male rat...
February 5, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28236656/recovery-from-desensitization-of-ige-dependent-responses-in-human-lung-mast-cells
#6
Amy Lewis, Donald W MacGlashan, S Kim Suvarna, Peter T Peachell
BACKGROUND: Clinical desensitization and oral food immunotherapy are therapeutic interventions that allow individuals who react adversely to an allergen (drug or food) to be made tolerant to the allergen. However, tolerance is brief and allergen hypersensitivity can recur within days following allergen withdrawal. OBJECTIVE: We hypothesize that the reason these treatments are temporary reflects rapid recovery of mast cells from a desensitized state. We sought to test this...
February 25, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28236431/catamenial-like-seizure-exacerbation-in-mice-with-targeted-ablation-of-extrasynaptic-%C3%AE-gaba-a-receptors-in-the-brain
#7
Bryan L Clossen, Doodipala Samba Reddy
Neurosteroids play a key role in catamenial epilepsy, a menstrual cycle-related seizure clustering in women with epilepsy. While neurosteroids act on all GABA-A receptor isoforms, they cause greater effects on extrasynaptic δGABA-A receptors that mediate tonic inhibition in the brain. Previously, we identified a potential GABA-A receptor mechanism for catamenial epilepsy. However, the precise functional role of extrasynaptic δGABA-A receptors in the pathophysiology of catamenial epilepsy remains unclear. In this study, we utilized mice lacking extrasynaptic δGABA-A receptors (δKO) to investigate whether reduction of tonic inhibition affects catamenial seizure susceptibility or intensity...
February 25, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28236159/an-examination-of-care-practices-of-pregnant-women-incarcerated-in-jail-facilities-in-the-united-states
#8
C M Kelsey, Nickole Medel, Carson Mullins, Danielle Dallaire, Catherine Forestell
OBJECTIVE: The number of incarcerated women in the United States has been steadily increasing over the last 30 years. An estimated 6-10% of these women are pregnant at intake. Previous studies on the health needs and care of pregnant incarcerated women have focused mainly on prison settings. Therefore, we examined the pregnancy-related accommodations and health care provided for regional jail populations. METHOD: The present study is a quantitative survey (administered through phone or email to employees of predominately jail medical facilities) of common practices and policies employed across 53 jail facilities in the United States as a function of geographic region (North vs...
February 24, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28231495/drug-induced-panic-attacks-analysis-of-cases-registered-in-the-french-pharmacovigilance-database
#9
Delphine Abadie, Anaïs Essilini, Virginie Fulda, Aurore Gouraud, Mélissa Yéléhé-Okouma, Joëlle Micallef, François Montastruc, Jean Louis Montastruc
BACKGROUND: The potential role of drugs in the onset of panic attacks (PAs) is poorly understood. AIM: The objective of our study was to characterize drug-induced PAs. METHOD: We performed an analysis of PAs registered in the French pharmacovigilance database between 01/01/1985 and 05/11/2014. RESULTS: Among the 163 recorded cases, 136 (83.4%) were directly related to drugs, mainly antidepressants (11.3%, mainly serotonin reuptake inhibitors), mefloquine (7...
February 9, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28230072/improved-social-interaction-recognition-and-working-memory-with-cannabidiol-treatment-in-a-prenatal-infection-poly-i-c-rat-model
#10
Ashleigh L Osborne, Nadia Solowij, Ilijana Babic, Xu-Feng Huang, Katrina Weston-Green
Neuropsychiatric disorders such as schizophrenia are associated with cognitive impairment, including learning, memory and attention deficits. Antipsychotic drugs are limited in their efficacy to improve cognition; therefore, new therapeutic agents are required. Cannabidiol (CBD), the non-intoxicating component of cannabis, has anti-inflammatory, neuroprotective and antipsychotic-like properties, however, its ability to improve the cognitive deficits of schizophrenia remains unclear. Using a prenatal infection model, we examined the effect of chronic CBD treatment on cognition and social interaction...
February 23, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28229493/issues-with-monitoring-the-safety-of-psychoactive-products-under-a-legal-regulated-market-for-new-psychoactive-substances-legal-highs-in-new-zealand
#11
Marta Rychert, Chris Wilkins, Karen Witten
INTRODUCTION: New Zealand's Psychoactive Substances Act (2013) established the world's first regulated market for 'low risk' psychoactive products ('legal highs'). Under an interim PSA regime, 47 existing products were permitted to be continued to be sold. AIM: To explore issues with the implementation of regulatory systems to monitor the safety of products on the legal market under the interim Psychoactive Substances Act regime. METHODS: Semi-structured interviews with 30 key stakeholders, including industry, government agency, health and drug service professionals were conducted, transcribed and analysed thematically...
February 23, 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/28229178/the-consummatory-and-motivational-behaviors-for-natural-rewards-following-long-term-withdrawal-from-morphine-no-anhedonia-but-persistent-maladaptive-behaviors-for-high-value-rewards
#12
Yingying Li, Xigeng Zheng, Na Xu, Yue Zhang, Zhengkui Liu, Yunjing Bai
RATIONALE: The negative affective state, e.g., anhedonia, emerges after abstinence from abused drugs may be linked to the motivational processes of drug craving and relapse. Although anhedonia diminishes over time with drug abstinence, it is not yet rather explicit whether anhedonia exists or not following protracted withdrawal. OBJECTIVES: The behavioral responses to natural rewards were examined after 2 to 3 weeks withdrawal from morphine. Male rats were pretreated with either a binge-like morphine paradigm or daily saline injection for 5 days...
February 22, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28225346/cd4-count-and-risk-of-anti-tuberculosis-drug-associated-cutaneous-reactions-in-hiv-infected-thai-patients
#13
L Boonyagars, P Hirunwiwatkul, C P Hurst
OBJECTIVES: Tuberculosis (TB) is a major cause of morbidity and mortality in human immunodeficiency virus (HIV) infected patients. However, anti-tuberculosis drugs can cause cutaneous adverse drug reactions (CADRs). This study was conducted to evaluate differences in CADR incidence between low and high CD4 cell count in patients with low and high CD4 cell count and to identify other risk factors for CADR in HIV-TB co-infected patients. DESIGN: In a retrospective cohort of adult HIV-TB co-infected patients receiving standard anti-tuberculosis treatment between January 2008 and December 2015 at Vajira Hospital, Bangkok, Thailand, baseline demographic, clinical characteristics and factors associated with CADRs, including CD4 cell count status, were collected...
March 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28224957/-medicines-and-elderly-patients-abuse-dependency-or-attraction
#14
Pascal Menecier, Laure Menecier-Ossia
Psychotropic medicines represent, after alcohol, the second class of substances most susceptible to abuse by elderly people. It can be particularly difficult for caregivers to understand such behaviour as these are prescription-only medicines. This misuse is partly a result of older people tending to trivialise and overrate pharmaceutical drugs, ignoring the potential of non-medicinal methods and psychotherapeutic treatments. The boundaries between prescribed use, overuse, self-medication, excessive use, dependency or addiction to prescription drugs are blurred in older people...
January 2017: Soins. Gérontologie
https://www.readbyqxmd.com/read/28224183/modelling-depression-in-animals-at-the-interface-of-reward-and-stress-pathways
#15
REVIEW
D A Slattery, J F Cryan
RATIONALE: Despite substantial research efforts the aetiology of major depressive disorder (MDD) remains poorly understood, which is due in part to the heterogeneity of the disorder and the complexity of designing appropriate animal models. However, in the last few decades, a focus on the development of novel stress-based paradigms and a focus on using hedonic/anhedonic behaviour have led to renewed optimism in the use of animal models to assess aspects of MDD. OBJECTIVES: Therefore, in this review article, dedicated to Athina Markou, we summarise the use of stress-based animal models for studying MDD in rodents and how reward-related readouts can be used to validate/assess the model and/or treatment...
February 22, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28223849/review-about-gabapentin-misuse-interactions-contraindications-and-side-effects
#16
REVIEW
Gabriel C Quintero
The current work is targeted to review the risks of gabapentin misuse, its potential interactions with other drugs, side effects and use contraindications. This review consists of a total of 99 biographical references (from the year 1983 to 2016). A publication search of PubMed was performed from January 1983 to December 2016. It included animal studies, clinical studies, case studies and reviews related to gabapentin misuse, potential interactions, side effects and use contraindications. The search terms were gabapentin, anticonvulsant and antiepileptic...
2017: Journal of Experimental Pharmacology
https://www.readbyqxmd.com/read/28222901/pharmacotherapy-in-smoking-cessation-corticotropin-releasing-factor-receptors-as-emerging-intervention-targets
#17
REVIEW
Ioannis Sotiriou, Kleanthi Chalkiadaki, Christos Nikolaidis, Kyriaki Sidiropoulou, Ekaterini Chatzaki
Smoking represents perhaps the single most important health risk factor and a global contributor to mortality that can unquestionably be prevented. Smoking is responsible for many diseases, including various types of cancer, chronic obstructive pulmonary disease, coronary heart disease, peripheral vascular disease and peptic ulcer, while it adversely affects fetal formation and development. Since smoking habit duration is a critical factor for mortality, the goal of treatment should be its timely cessation and relapse prevention...
February 14, 2017: Neuropeptides
https://www.readbyqxmd.com/read/28220796/beyond-the-classic-vta-extended-amygdala-projections-to-da-striatal-paths-in-the-primate
#18
Julie L Fudge, Emily A Kelly, Ria Pal, Joseph L Bedont, Lydia Park, Brian Ho
The central extended amygdala (CEA) has been conceptualized as a 'macrosystem' that regulates various stress-induced behaviors. Consistent with this, the CEA highly expresses corticotropin releasing factor (CRF), an important modulator of stress responses. Stress alters goal-directed responses associated with striatal paths, including maladaptive responses such as drug seeking, social withdrawal, and compulsive behavior. CEA inputs to the midbrain dopamine (DA) system are positioned to influence striatal functions through mesolimbic DA-striatal pathways...
February 21, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28220474/buprenorphine-for-managing-opioid-withdrawal
#19
REVIEW
Linda Gowing, Robert Ali, Jason M White, Dalitso Mbewe
BACKGROUND: Managed withdrawal is a necessary step prior to drug-free treatment or as the endpoint of substitution treatment. OBJECTIVES: To assess the effects of buprenorphine versus tapered doses of methadone, alpha2-adrenergic agonists, symptomatic medications or placebo, or different buprenorphine regimens for managing opioid withdrawal, in terms of the intensity of the withdrawal syndrome experienced, duration and completion of treatment, and adverse effects...
February 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28219422/the-efficacy-of-fall-risk-increasing-drug-frid-withdrawal-for-the-prevention-of-falls-and-fall-related-complications-protocol-for-a-systematic-review-and-meta-analysis
#20
Justin Yusen Lee, Anne Holbrook
BACKGROUND: Despite limited evidence of effectiveness, withdrawal (discontinuation or dose reduction) of high risk medications known as "fall-risk increasing drugs" (FRIDs) is typically conducted as a fall prevention strategy based on presumptive benefit. Our objective is to determine the efficacy of fall-risk increasing drugs (FRIDs) withdrawal on the prevention of falls and fall-related complications. METHODS/DESIGN: We will search for all published and unpublished randomized controlled trials evaluating the effect of FRID withdrawal compared to usual care on the rate of falls, incidence of falls, fall-related injuries, fall-related fractures, fall-related hospitalizations, or adverse effects related to the intervention in adults aged 65 years or older...
February 20, 2017: Systematic Reviews
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