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drug dosage calculations

Marco Orsini Federici, Janette McQuillan, Giovanni Biricolti, Serena Losi, Jeremie Lebrec, Catrina Richards, Cristiana Miglio, Kirsi Norrbacka
INTRODUCTION: Real-world evidence on glucagon-like peptide-1 receptor agonist (GLP-1 RAs) usage is emerging in different European countries but is lacking in Italy. This retrospective cohort study aimed to describe the real-world drug utilization patterns in patients initiating GLP-1 RAs for treating T2DM in Italy. METHODS: Adults aged ≥ 20 years and with ≥ 1 oral antidiabetic drug (alone or in combination with insulin) other than GLP-1 RAs in the 6 months prior to initiating exenatide twice daily (exBID), exenatide once weekly (exQW), dulaglutide once weekly (DULA), liraglutide once daily (LIRA) or lixisenatide once daily (LIXI) between March and July 2016 were retrospectively identified in the Italian IMS LifeLink™ longitudinal prescriptions database (retail pharmacy data)...
March 10, 2018: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
Nada Abdulaziz, Anjali R Shah, William J McCune
PURPOSE OF REVIEW: Antimalarial drugs including chloroquine, its less toxic quinolone-derivative hydroxychloroquine (HCQ), and quinacrine have become cornerstones in the treatment of autoimmune diseases including systemic lupus, rheumatoid arthritis, sarcoidosis, and Sjogren syndrome; cutaneous disorders, antiphospholipid syndrome, and have recently been employed at higher dioses in oncology. Benefits include anti-inflammatory effects, protection against thrombosis, and improved control of hyperglycemia and hyperlipidemia...
March 6, 2018: Current Opinion in Rheumatology
Cinzia Barberini, Enrica Lavezzini, Daniela Zoboli, Corrado Busani
INTRODUCTION: In the past couple of years, the demand of galenic compounds has risen sharply. In order to plan the activity, our team designed and set up a database which stores all the necessary information related to drugs and ingredients. This allows our internal Galenic Laboratory to better manage the pharmaceutical prescriptions for the hospital and the outpatients, optimizing the use of raw materials. METHODS: The application is based on the interconnection of prescription-related aspects (patients' and prescriber's details and prescription information)...
February 2018: Recenti Progressi in Medicina
Georgios Schoretsanitis, Michael Paulzen, Stefan Unterecker, Markus Schwarz, Andreas Conca, Gerald Zernig, Gerhard Gründer, Ekkerhard Haen, Pierre Baumann, Niels Bergemann, Hans Willi Clement, Katharina Domschke, Gabriel Eckermann, Karin Egberts, Manfred Gerlach, Christine Greiner, Ursula Havemann-Reinecke, Gudrun Hefner, Renate Helmer, Ger Janssen, Eveline Jaquenoud-Sirot, Gerd Laux, Thomas Messer, Rainald Mössner, Matthias J Müller, Bruno Pfuhlmann, Peter Riederer, Alois Saria, Bernd Schoppek, Margarete Silva Gracia, Benedikt Stegmann, Werner Steimer, Julia C Stingl, Manfred Uhr, Sven Ulrich, Roland Waschgler, Gabriela Zurek, Christoph Hiemke
OBJECTIVES: Therapeutic drug monitoring (TDM) combines the quantification of drug concentrations in blood, pharmacological interpretation and treatment guidance. TDM introduces a precision medicine tool in times of increasing awareness of the need for personalized treatment. In neurology and psychiatry, TDM can guide pharmacotherapy for patient subgroups such as children, adolescents, pregnant women, elderly patients, patients with intellectual disabilities, patients with substance use disorders, individuals with pharmacokinetic peculiarities and forensic patients...
March 1, 2018: World Journal of Biological Psychiatry
Anne-Sophie Bouthors, Benjamin Hennart, Emmanuelle Jeanpierre, Anne-Sophie Baptiste, Imen Saidi, Elodie Simon, Damien Lannoy, Alain Duhamel, Delphine Allorge, Sophie Susen
BACKGROUND: Postpartum haemorrhage (PPH) is the leading cause of maternal death worldwide. Tranexamic acid (TA), an antifibrinolytic drug, reduces bleeding and transfusion need in major surgery and trauma. In ongoing PPH following vaginal delivery, a high dose of TA decreases PPH volume and duration, as well as maternal morbidity, while early fibrinolysis is inhibited. In a large international trial, a TA single dose reduced mortality due to bleeding but not the hysterectomy rate. TA therapeutic dosages vary from 2...
March 1, 2018: Trials
Dlal Abdulrahman Almazrou, Sheraz Ali, Jasser Ali Alzhrani
Background: The complexity of drug therapies has increased the need to evaluate the drug information scientifically. In this regard, the aim of drug information centers (DICs) is to promote rational use of drugs in a health-care setting. DI pharmacists play a vital role in providing the necessary and reliable information on drugs to promote the concept of rational drug use, eventually leading to a better patient outcome. The objective of the present study was to assess the drug-related queries received by the DIC at the King Saud Medical City (KSMC) from health-care professionals working in a large tertiary care setting...
October 2017: Journal of Pharmacy & Bioallied Sciences
José Pedro Cerón-Carrasco, Horacio Perez-Sanchez, Jose Zuniga, Alberto Requena
The human epidermal growth factor receptor 2 (HER2) is over-expressed in about a third of breast cancer patients, with a strong involvement of cyclooxygenase-2 (COX-2) enzyme in the tumor progress. HER2 and COX-2 are consequently potential targets for inhibiting carcionogenesis. Herceptin (trastuzumab) is an antibody that partially blocks HER2 positive cancers at their initial stage. Unfortunately, the overall response rate to the single treatment with this antibody is still modest and, therefore, it needs to be improved by combining several chemotherapeutic agents...
January 29, 2018: Journal of Physical Chemistry. B
Alba Ribera, Laura Soldevila, Raul Rigo-Bonnin, Fe Tubau, Ariadna Padullés, Joan Gómez-Junyent, Javier Ariza, Oscar Murillo
Continuous infusion (CI) of beta-lactams could optimize their pharmacokinetic/pharmacodynamic indices, especially in difficult-to-treat infections. PURPOSE: To validate an easy-to-use method to guide beta-lactams dosage in CI (formula). METHODS: A retrospective analysis was conducted of a prospectively collected cohort (n = 24 patients) with osteoarticular infections caused by Gram-negative bacilli (GNB) managed with beta-lactams in CI. Beta-lactams dose was calculated using a described formula (daily dose = 24 h × beta-lactam clearance × target "steady-state" concentration) to achieve concentrations above the MIC...
January 23, 2018: Infection
Punkaj Gupta, Mallikarjuna Rettiganti, Andrew Wilcox, Mai-Anh Vuong-Dac, Jeffrey M Gossett, Michiaki Imamura, Avishek Chakraborty
OBJECTIVES: To empirically derive an inotrope score to predict real-time outcomes using the doses of inotropes after pediatric cardiac surgery. The outcomes evaluated included in-hospital mortality, prolonged hospital length of stay (LOS), and composite poor outcome (mortality and/or prolonged hospital LOS). METHODS: The study population included patients <18 years of age undergoing heart operations (with or without cardiopulmonary bypass) of varying complexity...
January 19, 2018: Seminars in Thoracic and Cardiovascular Surgery
H Ye, T Huang, Z F Ying, G L Li, Y C Che, Z M Zhao, J F Wang, X L Yang, L Shi, R J Jiang, X C Liu, Z J Mo, C G Li, J S Yang
Objective: To compare the safety and immunogenicity of two different sequential schedules of inactivated poliomyelitis vaccine made from Sabin strain (sIPV) followed by typeⅠ+Ⅲ bivalent oral poliovirus vaccine (bOPV) in Drug Candy (DC) form or liquid dosage form). Methods: This randomized, blinded, single center, parallel-group controlled trial was done from September 2015 to June 2016 in Liuzhou, Guangxi province. Healthy infants aged ≥2 months were eligible for enrollment and divided into 1sIPV+2bOPV or 2sIPV+1bOPV sequential schedules...
January 6, 2018: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
Ülkü Türk Börü, Cansu Köseoğlu Toksoy, Cem Bölük, Adnan Bilgiç, Mustafa Taşdemir
Objectives We aimed to determine whether multiple sclerosis (MS) and methylprednisolone and disease-modifying drugs have an effect on menopausal age. Methods A total of 86 patients and 98 healthy subjects were included in this study. The natural menopausal age of the patients and healthy subjects were compared. The cumulative dosages of methylprednisolone, beta interferons (IFNβs), and glatiramer acetate were calculated. The effects of the Expanded Disability Status Scale (EDSS), duration of the disease, and cumulative dosage of medications on menopausal age were evaluated...
January 1, 2018: Journal of International Medical Research
Dongmei Lu, Diana Vivian, Ping Ren, Yongsheng Yang, Hongling Zhang, Xiaojian Jiang, Ethan Stier
There are several drug products that bind phosphate or bile acid in the gastrointestinal (GI) tract to exert their therapeutic efficacy. In vitro binding studies are used to assess bioequivalence (BE) of these products. The objective of this study is to identify the common deficiencies in Abbreviated New Drug Applications (ANDAs) for these products. Deficiencies were compiled from ANDAs containing in vitro binding BE studies. The deficiencies were classified into eight categories: Pre-Study Method Validation, During-Study Sample Analysis, Study Design, Study Procedure, Dissolution/Disintegration, Analytical Site Inspection, Data Submission, and Formulations...
January 11, 2018: AAPS Journal
Katharina Schutte-Nutgen, Gerold Tholking, Barbara Suwelack, Stefan Reuter
The calcineurin inhibitor tacrolimus (Tac) is an integral part of the standard immunosuppressive regimen after renal transplantation (RTx). However, clinical management of Tac therapy can be challenging because of its narrow therapeutic window and because many factors interfere with its metabolism. Therefore, therapeutic drug monitoring is used to adjust the dosage. Recently, we were able to classify patients receiving tacrolimus into two major metabolism groups by simple calculation of the C/D ratio (expressed as the blood concentration normalized by the dose)...
December 31, 2017: Current Drug Metabolism
Cheng-Ying Chou, Wan-I Chang, Tzyy-Leng Horng, Win-Li Lin
The distribution and accumulation of nanoparticle dosage in a tumor are important in evaluating the effectiveness of cancer treatment. The cell survival rate can quantify the therapeutic effect, and the survival rates after multiple treatments are helpful to evaluate the efficacy of a chemotherapy plan. We developed a mathematical tumor model based on the governing equations describing the fluid flow and particle transport to investigate the drug transportation in a tumor and computed the resulting cumulative concentrations...
2017: PloS One
Yuncui Yu, Lulu Jia, Yao Meng, Lihua Hu, Yiwei Liu, Xiaolu Nie, Meng Zhang, Xuan Zhang, Sheng Han, Xiaoxia Peng, Xiaoling Wang
BACKGROUND: Establishing a comprehensive clinical evaluation system is critical in enacting national drug policy and promoting rational drug use. In China, the 'Clinical Comprehensive Evaluation System for Pediatric Drugs' (CCES-P) project, which aims to compare drugs based on clinical efficacy and cost effectiveness to help decision makers, was recently proposed; therefore, a systematic and objective method is required to guide the process. METHODS: An evidence-based multi-criteria decision analysis model that involved an analytic hierarchy process (AHP) was developed, consisting of nine steps: (1) select the drugs to be reviewed; (2) establish the evaluation criterion system; (3) determine the criterion weight based on the AHP; (4) construct the evidence body for each drug under evaluation; (5) select comparative measures and calculate the original utility score; (6) place a common utility scale and calculate the standardized utility score; (7) calculate the comprehensive utility score; (8) rank the drugs; and (9) perform a sensitivity analysis...
December 15, 2017: Paediatric Drugs
Casey J Roulette, Mark A Caudell, Jennifer W Roulette, Robert J Quinlan, Marsha B Quinlan, Murugan Subbiah, Douglas R Call
BACKGROUND: In sub-Saharan Africa, efforts to control antimicrobial resistance (AMR) are aggravated by unregulated drug sales and use, and high connectivity between human, livestock, and wildlife populations. Our previous research indicates that Maasai agropastoralists-who have high exposure to livestock and livestock products and self-administer veterinary antibiotics-harbor antibiotic resistant Escherichia coli (E. coli). Here, we report the results of a public health intervention project among Maasai aimed at reducing selection and transmission of E...
December 15, 2017: BMC Infectious Diseases
Marco Di Muzio, Corrado De Vito, Daniela Tartaglini, Paolo Villari
BACKGROUND: Medication errors can put at risk the life of patients hospitalized in the ICUs. These errors occur more frequently in the ICUs due to their peculiar medical framework. There is not much information about the knowledge, attitudes, behaviours and training needs of the nurses who work in ICUs towards the medication errors. OBJECTIVE: This study aims at describing the knowledge, attitudes, behaviours and training needs of the Italian nurses who work in ICUs towards the use of IV drugs, and identifying the strategies that nurses can adopt to prevent the occurrence of medication errors...
December 2017: Applied Nursing Research: ANR
Małgorzata Szafarz, Agnieszka Wencel, Krzysztof Pociecha, Filip A Fedak, Piotr Wlaź, Elżbieta Wyska
Tianeptine is an atypical antidepressant with a unique mechanism of action and recently it has been also reported that its major metabolite, compound MC5, possesses pharmacological activity similar to that of the parent drug. The current study aims to investigate the pharmacokinetics (PK) of both tianeptine and MC5 after intravenous or intraperitoneal administration of the parent drug as well as the metabolic ratio of MC5 in rats. To achieve these goals an LC-MS/MS method using the small sample volume for the quantitation of tianeptine and its active metabolite MC5 in rat plasma and liver perfusate has been developed and validated...
February 2018: Naunyn-Schmiedeberg's Archives of Pharmacology
Gustavo Ms Brandao, Daniela R Junqueira, Hamilton A Rollo, Marcone L Sobreira
BACKGROUND: Standard treatment of deep vein thrombosis (DVT) is based on antithrombotic therapy, initially with parenteral administration of unfractionated heparin or low molecular weight heparins (LMWH) for five to seven days, then subsequent long-term therapy with oral vitamin K antagonists (e.g. warfarin). Pentasaccharides are novel anticoagulants that may be favourable over standard therapy due to their predictable effect, no need for frequent monitoring or re-dosing, and few known drug interactions...
December 2, 2017: Cochrane Database of Systematic Reviews
Alice Ameline, Audrey Farrugia, Jean-Sebastien Raul, Pascal Kintz
BACKGROUND: The abuse of new psychoactive substances or NPS has been dramatically increasing all around the world since the last half of the year 2000 and has become a serious public health problem. NPS are a challenge for the worldwide forensic community due to the difficulties to accurately document the cases. The N-benzylmethoxy (NBOMe) group is a new class of hallucinogenic designer drugs and has gained importance in recent years. 25I-NBOMe (2-(4-iodo-2,5-dimethoxyphenyl)-N-[(2-methoxyphenyl)- methyl]ethanamine) is an analog of the 2C series of psychedelic phenethylamine drugs that contain an N-methoxybenzyl substituent, which significantly affects their pharmacological activities...
2017: Current Pharmaceutical Biotechnology
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