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https://www.readbyqxmd.com/read/28118673/an-appraisal-of-drug-drug-interactions-with-green-tea-camellia-sinensis
#1
Ahmed A Albassam, John S Markowitz
This review summarizes published in vitro, animal, and clinical studies investigating the effects of green tea (Camellia sinensis) extract and associated catechins on drug-metabolizing enzymes and drug transporters. In vitro studies suggest that green tea extract and its main catechin, (-)-epigallocatechin-3-gallate, to varying degrees, inhibit the activity of CYP1A1, CYP1A2, CYP2B6, CYP2C8, CYP2C9, CYP2D6, and CYP3A4. UGT1A1 and UGT1A4 isoforms were also inhibited by (-)-epigallocatechin-3-gallate. Animal studies suggest green tea extract and/or (-)-epigallocatechin-3-gallate significantly increase the bioavailability of diltazem, verapamil, tamoxifen simvastatin, 5-fluorouracil, and nicardipine...
January 24, 2017: Planta Medica
https://www.readbyqxmd.com/read/28099349/development-of-diabetes-mellitus-associated-with-quetiapine-a-case-series
#2
Hideki Nanasawa, Akahito Sako, Tomohiko Mitsutsuka, Kaori Nonogaki, Tadayuki Kondo, Shuichi Mishima, Yoriyasu Uju, Toshihiko Ito, Tetsuro Enomoto, Tatsuro Hayakawa, Hidekatsu Yanai
We aimed to describe the characteristics and clinical course of patients who developed diabetes associated with the use of quetiapine.This study included patients who received quetiapine for over a month between April 2008 and November 2013, and were diagnosed as having new-onset diabetes after initiation of quetiapine. We excluded patients who developed diabetes more than 1 year after discontinuation of quetiapine. We identified new-onset diabetes by hemoglobin A1c or prescriptions of antidiabetic drugs.Among 1688 patients who received quetiapine, hemoglobin A1c had been measured in 595 (35...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28096874/prevalence-of-metabolic-syndrome-in-patients-with-schizophrenia-in-korea-a-multicenter-nationwide-cross-sectional-study
#3
Jung Sun Lee, Jun Soo Kwon, Daeho Kim, Sung-Wan Kim, Jae-Jin Kim, Jong-Hoon Kim, Hee Jung Nam, Seunghyong Ryu, Il Ho Park, Suk Kyoon An, Hong-Seok Oh, Seunghee Won, Kanguk Lee, Kyu Young Lee, Seung-Hwan Lee, Yu Sang Lee, Jung-Seo Yi, Kyung Sue Hong, Yeon Ho Joo
OBJECTIVE: We designed a nationwide study with limited exclusion criteria to investigate the prevalence of metabolic syndrome (MetS) in Korea and its relationship with antipsychotic medications. METHODS: This multicenter, cross-sectional, and observational study included patients diagnosed with schizophrenia or schizoaffective disorder. Sixteen hospitals enrolled 845 patients aged 18 to 65 years prescribed any antipsychotic medication between August 2011 and August 2013...
January 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/28005435/is-there-a-weight-neutral-second-generation-antipsychotic-for-bipolar-disorder
#4
Fang Fang, Zuowei Wang, Renrong Wu, Joseph R Calabrese, Keming Gao
Antipsychotic-induced weight gain (WG) and metabolic abnormalities are major concerns. This review was untaken to answer if there is a weight-neutral second-generation antipsychotic for bipolar disorder (BPD). Areas covered: English-language literature in MEDLINE was searched with the keywords of antipsychotic/second-generation antipsychotic or generic/brand name of second-generation antipsychotic, and BPD/mania/depression or bipolar maintenance, and safety/tolerability or WG/weight increase, and randomized, placebo-controlled trial...
January 2, 2017: Expert Review of Neurotherapeutics
https://www.readbyqxmd.com/read/27932047/disturbances-of-glucose-metabolism-associated-with-the-use-of-psychotropic-drugs-a-post-mortem-evaluation
#5
Cristian Palmiere, Marc Augsburger, Vincent Varlet
Treatment with atypical antipsychotic agents and tetracyclic antidepressants has been associated with impaired glycemic control. Reported complications have included new-onset diabetes mellitus, life-threatening diabetic ketoacidosis and, rarely, death. The study presented herein focuses on biochemical investigations of glucose metabolism in a series of medico-legal cases that revealed the presence of atypical antipsychotic agents (clozapine, olanzapine, quetiapine and risperidone) or mirtazapine at toxicology...
December 5, 2016: Forensic Science International
https://www.readbyqxmd.com/read/27871720/-guidelines-for-the-prescription-of-mood-stabilizers-for-adolescents-a-literature-review
#6
G Munch, N Godart
INTRODUCTION: Adolescence is a unique phase of the human developmental process. In adolescents, psychotropic medications may have different efficacy and tolerance profiles compared to those at other stages of the lifespan. Mood stabilizers are a complex pharmacological category including lithium, some anticonvulsants, and some second generation antipsychotics. Focusing on this class of pharmacological agents, we aim to answer the following questions: in which indications and according to which modalities should mood stabilizers be prescribed during adolescence? METHODS: Information was sought from the websites of the French Haute Autorité de santé (HAS) and Agence nationale de sécurité du médicament et des produits de santé (ANSM), the American Food and Drug Administration (FDA) and the British National Institute for Health and Clinical Excellence (NICE)...
November 18, 2016: L'Encéphale
https://www.readbyqxmd.com/read/27803466/comparative-physicochemical-and-pharmacokinetic-properties-of-quetiapine-and-its-active-metabolite-norquetiapine
#7
COMPARATIVE STUDY
Dong-Wook Kim, Kwon-Yeon Weon, Eon-Pyo Hong, Eun Kyoung Chung, Kyung-Tae Lee
Quetiapine (QTP) is an atypical antipsychotic drug commonly used to treat several psychiatric disorders and is metabolized into the active metabolite norquetiapine (NQTP). This study was designed to evaluate and compare the physicochemical properties, metabolic stability, brain distribution, and pharmacokinetics of QTP and NQTP. Compared to QTP, NQTP had a higher pKa, solubility, and rat liver microsomal stability, optimal log D and similar log P values. For pharmacokinetic evaluation, QTP and NQTP were administered orally and intravenously to rats at various doses...
2016: Chemical & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27776389/arterial-stiffness-in-patients-taking-second-generation-antipsychotics
#8
Ebru Fındıklı, Mustafa Gökçe, Vedat Nacitarhan, Mehmet Akif Camkurt, Hüseyin Avni Fındıklı, Selçuk Kardaş, Merve Coşgun Şahin, Mehmet Fatih Karaaslan
Objective: That treatment with second-generation antipsychotics (SGAs) causes metabolic side effects and atherosclerosis in patients with schizophrenia and bipolar disorder (BD) is well-known. Increased arterial stiffness is an important marker of arteriosclerosis and has been identified as an independent risk factor for cardiovascular diseases. We measured pulse wave velocity (PWV) as a marker of arteriosclerosis in patients with schizophrenia and BD who use SGAs. Methods: Patients and controls were collected from our psychiatry outpatient clinics or family medicine...
November 30, 2016: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27620899/incidence-of-non-alcoholic-fatty-liver-disease-and-metabolic-dysfunction-in-first-episode-schizophrenia-and-related-psychotic-disorders-a-3-year-prospective-randomized-interventional-study
#9
María José Morlán-Coarasa, María Teresa Arias-Loste, Víctor Ortiz-García de la Foz, Obdulia Martínez-García, Carmen Alonso-Martín, Javier Crespo, Manuel Romero-Gómez, Emilio Fábrega, Benedicto Crespo-Facorro
RATIONALE: Patients with schizophrenia spectrum disorders have increased morbidity and mortality, largely due to cardiovascular disease, which is associated with antipsychotic treatment. OBJECTIVES: Because of the link between cardiometabolic risk, non-alcoholic fatty liver disease (NAFLD), and antipsychotics, we aimed to investigate the development of NAFLD during the first 3 years of antipsychotic treatment in first episode non-affective psychosis patients. RESULTS: A sample of 191 subjects was included in final analyses, randomly assigned to aripiprazole (N = 83), risperidone (N = 12), quetiapine (N = 46), and ziprasidone (N = 50)...
September 12, 2016: Psychopharmacology
https://www.readbyqxmd.com/read/27483368/adverse-renal-endocrine-hepatic-and-metabolic-events-during-maintenance-mood-stabilizer-treatment-for-bipolar-disorder-a-population-based-cohort-study
#10
Joseph F Hayes, Louise Marston, Kate Walters, John R Geddes, Michael King, David P J Osborn
BACKGROUND: There is limited, poorly characterized information about adverse events occurring during maintenance treatment of bipolar disorder. We aimed to determine adverse event rates during treatment with lithium, valproate, olanzapine, and quetiapine. METHODS AND FINDINGS: We conducted a propensity score adjusted cohort study using nationally representative United Kingdom electronic health records from January 1, 1995, until December 31, 2013. We included patients who had a diagnosis of bipolar disorder and were prescribed lithium (n = 2148), valproate (n = 1670), olanzapine (n = 1477), or quetiapine (n = 1376) as maintenance mood stabilizer treatment...
August 2016: PLoS Medicine
https://www.readbyqxmd.com/read/27466220/baseline-perfusion-alterations-due-to-acute-application-of-quetiapine-and-pramipexole-in-healthy-adults
#11
Lars Michels, Sigrid Scherpiet, Philipp Stämpfli, Uwe Herwig, Annette B Brühl
BACKGROUND: The dopaminergic system is implicated in many mental processes and neuropsychiatric disorders. Pharmacologically, drugs with dopamine receptor antagonistic and agonistic effects are used, but their effects on functional brain metabolism are not well known. METHODS: In this randomized crossover, placebo-controlled, and rater-blinded study, 25 healthy adults received an acute dose placebo substance (starch), quetiapine (dopamine receptor antagonist), or pramipexole (dopamine agonist of the nonergoline class) 1 hour before the experiment...
November 2016: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27347638/an-update-of-safety-of-clinically-used-atypical-antipsychotics
#12
L Orsolini, C Tomasetti, A Valchera, R Vecchiotti, I Matarazzo, F Vellante, F Iasevoli, E F Buonaguro, M Fornaro, A L C Fiengo, G Martinotti, M Mazza, G Perna, A Carano, A De Bartolomeis, M Di Giannantonio, D De Berardis
INTRODUCTION: The atypical antipsychotic (APs) drugs have become the most widely used agents to treat a variety of psychoses because of their superiority with regard to safety and tolerability profile compared to conventional/'typical' APs. AREAS COVERED: We aimed at providing a synthesis of most current evidence about the safety and tolerability profile of the most clinically used atypical APs so far marketed. Qualitative synthesis followed an electronic search made inquiring of the following databases: MEDLINE, Embase, PsycINFO and the Cochrane Library from inception until January 2016, combining free terms and MESH headings for the topics of psychiatric disorders and all atypical APs as following: ((safety OR adverse events OR side effects) AND (aripiprazole OR asenapine OR quetiapine OR olanzapine OR risperidone OR paliperidone OR ziprasidone OR lurasidone OR clozapine OR amisulpride OR iloperidone))...
October 2016: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/27222264/current-trends-on-antipsychotics-focus-on-asenapine
#13
REVIEW
Donatella Marazziti, Armando Piccinni, Stefano Baroni, Francesco Mungai, Silvio Presta, Federico Mucci, Liliana Dell'Osso
Over the years, both first- (FGAs) and second-generation antipsychotics (SGAs), continue to gain increasing evidence of being effective in the treatment of psychotic symptoms. Currently, they represent the first-line treatment of schizophrenia and bipolar disorder, although they are widely used in psychotic depression and other clinical conditions, such as agitation and/or behavioural disturbances. Despite representing an indispensable tool for the treatment of severe psychotic disorders, they are widely known to have a number of unwanted side effects that the clinician must be aware of, and handle carefully to provide the patient the best available treatment in the short and long-term...
2016: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/27209421/the-effects-of-antipsychotics-on-weight-gain-weight-related-hormones-and-homocysteine-in-children-and-adolescents-a-1-year-follow-up-study
#14
MULTICENTER STUDY
Inmaculada Baeza, Laura Vigo, Elena de la Serna, Rosa Calvo-Escalona, Jessica Merchán-Naranjo, Pamela Rodríguez-Latorre, Celso Arango, Josefina Castro-Fornieles
To analyze weight gain, metabolic hormones, and homocysteine (Hcys) levels in children and adolescents on antipsychotics (AP) during a year-long follow-up. 117 patients, AP-naïve or quasi-naïve (less than 30 days on AP), were included. Weight, body mass index (BMI), BMI z-score (z-BMI), and levels of leptin, insulin, insulin resistance (HOMA-IR), adiponectin, ghrelin, thyroid stimulating hormone (TSH), free thyroxine (FT4), and Hcys were measured at baseline, and at 3, 6, and 12 months, while patients remained on the same AP...
January 2017: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/27174656/non-invasive-intranasal-delivery-of-quetiapine-fumarate-loaded-microemulsion-for-brain-targeting-formulation-physicochemical-and-pharmacokinetic-consideration
#15
Brijesh Shah, Dignesh Khunt, Manju Misra, Harish Padh
Systemic drug delivery in schizophrenia is a major challenge due to presence of obstacles like, blood-brain barrier and P-glycoprotein, which prohibit entry of drugs into the brain. Quetiapine fumarate (QF), a substrate to P-glycoprotein under goes extensive first pass metabolism leading to limited absorption thus necessitating frequent oral administration. The aim of this study was to develop QF based microemulsion (ME) with and without chitosan (CH) to investigate its potential use in improving the bioavailability and brain targeting efficiency following non-invasive intranasal administration...
August 25, 2016: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27080462/protective-effects-of-quetiapine-on-metabolic-and-inflammatory-abnormalities-in-schizophrenic-patients-during-exacerbated-stage
#16
Yu-Chen Kao, Chih-Yuan Ko, Sheng-Chiang Wang, Yia-Ping Liu
Inflammation has been considered important in the pathogenesis of schizophrenia. Increasing evidence reveals that patients with schizophrenia have abnormal expression of cytokines, which are related to development of metabolic abnormalities. Metabolic abnormality has become a critical issue, though its longitudinal relationship with the disorder, such as the antipsychotics influence, is unclear. We aimed to investigate whether abnormalities of metabolic parameters and cytokine levels in acute exacerbated schizophrenic patients existed, and whether intervention of antipsychotic could help...
April 30, 2016: Chinese Journal of Physiology
https://www.readbyqxmd.com/read/27036122/lurasidone-an-antipsychotic-with-antidepressant-effects-in-bipolar-depression
#17
Nicholas A Keks, Judy Hope, David Castle
OBJECTIVE: Lurasidone is a new serotonin-dopamine antagonist atypical antipsychotic which also appears to be effective in bipolar depression. This paper will briefly review the evidence concerning lurasidone. CONCLUSIONS: Lurasidone is an antagonist at dopamine D2, serotonin 5-HT2 and 5-HT7, and partial agonist at 5HT1a receptors; it has no anticholinergic or antihistaminic activity. Rapidly absorbed, it has a half-life of 18 ± 7 hours, will reach steady state in five days and is taken at night with food (absorption is halved on an empty stomach)...
June 2016: Australasian Psychiatry: Bulletin of Royal Australian and New Zealand College of Psychiatrists
https://www.readbyqxmd.com/read/27009289/prevalence-of-antidiabetic-and-antilipidemic-medications-in-children-and-adolescents-treated-with-atypical-antipsychotics-in-a-virginia-medicaid-population
#18
Della Varghese, Cynthia K Kirkwood, Norman V Carroll
BACKGROUND: Atypical antipsychotic use among children and adolescents is a cause for concern secondary to metabolic adverse effects. There have been reports of weight gain, metabolic syndrome, dyslipidemia, glucose abnormalities, and decreased insulin sensitivity in children aged 4 to 19 years using atypical antipsychotics. OBJECTIVE: To determine the prevalence of antidiabetic and antilipidemic medication use among children and adolescents receiving atypical antipsychotics and to evaluate whether the odds of receiving antidiabetic and antilipidemic medication differs among atypical antipsychotic agents...
June 2016: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/26970936/-potentiation-strategies
#19
REVIEW
Olivier Doumy, Djamila Bennabi, Wissam El-Hage, Najib Allaïli, Rémy Bation, Frank Bellivier, Jérôme Holtzmann, Maxime Bubrovszky, Vincent Camus, Thomas Charpeaud, Pierre Courvoisier, Thierry d'Amato, Marion Garnier, Frédéric Haesebaert, Thierry Bougerol, Christophe Lançon, Fanny Moliere, Isabel Nieto, Raphaëlle Richieri, Ghassen Saba, Philippe Courtet, Guillaume Vaiva, Marion Leboyer, Pierre-Michel Llorca, Bruno Aouizerate, Emmanuel Haffen
Lithium is among the most classically recommended add-on therapeutic strategy for the management of depressive patients showing unsuccessful response to standard antidepressant medications. The effectiveness of the add-on strategy with lithium requires achieving plasma levels above 0.5 mEq/L. Mood-stabilizing antiepileptic drugs such as carbamazepine, valproate derivatives or lamotrigine have not demonstrated conclusive therapeutic effects for the management of depressive patients showing unsuccessful response to standard antidepressant medications...
March 2016: La Presse Médicale
https://www.readbyqxmd.com/read/26921085/drug-interactions-with-aprepitant-or-fosaprepitant-review-of-literature-and-implications-for-clinical-practice
#20
Anna Dushenkov, Julie Kalabalik, Antonia Carbone, Paiboon Jungsuwadee
PURPOSE: Aprepitant and its parenteral formulation fosaprepitant are widely used for the prevention of chemotherapy-induced nausea and vomiting. Aprepitant exerts modest inhibitory effect on CYP3A4 and modest inductive effect on CYP2C9 substrates such as some antineoplastics and multiple other medications. This article is aimed to provide pharmacists and other healthcare professionals with an updated summary of drug-drug interactions of aprepitant/fosaprepitant and implications for clinical practice...
February 25, 2016: Journal of Oncology Pharmacy Practice
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