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https://www.readbyqxmd.com/read/29328433/peiminine-serves-as-an-adriamycin-chemosensitizer-in-gastric-cancer-by-modulating-the-egfr-fak-pathway
#1
Qianqian Tang, Yunfei Wang, Lanjing Ma, Meiling Ding, Tingyu Li, Yongzhan Nie, Zhengyi Gu
Gastric cancer (GC) is one of the most common malignancies of the digestive tract. Adriamycin (ADR) has been widely utilized in various chemotherapy regimens for treating GC, yet its long-term application may increase drug resistance resulting in treatment failure. Increasing evidence shows that bioactive natural products can be used as chemotherapeutic sensitizers that can significantly improve chemotherapy sensitivity. Peiminine (PMI) is a biologically active component extracted from Fritillaria walujewii Regel...
January 3, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29327413/itpa-activity-in-children-treated-by-azathioprine-relationship-to-the-occurrence-of-adverse-drug-reactions-and-inflammatory-response
#2
Antony Citterio-Quentin, Mustapha Moulsma, Marie-Paule Gustin, Alain Lachaux, Roselyne Boulieu
Azathioprine (AZA), a thiopurine drug, is widely used in the treatment of children with immunological disease such as inflammatory bowel disease (IBD) and autoimmune hepatitis (AIH); however, interindividual variability in the occurrence of adverse drug reaction (ADRs) and drug response is observed. This study investigated 1) the relationships between inosine triphosphate pyrophosphatase (ITPA) activity, an enzyme involved in thiopurine metabolism, and the occurrence of ADRs in children with immunological disease on AZA therapy, 2) the relationship between ITPA activity and the inflammatory activity observed in children with IBD...
January 11, 2018: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29325225/influence-of-cyp2d6-cyp3a4-cyp3a5-and-abcb1-polymorphisms-on-pharmacokinetics-and-safety-of-aripiprazole-in-healthy-volunteers
#3
Carmen Belmonte, Dolores Ochoa, Manuel Román, Miriam Saiz-Rodríguez, Aneta Wojnicz, Clara Isabel Gómez-Sánchez, Samuel Martín-Vilchez, Francisco Abad-Santos
The aim of this study was to investigate the effect of polymorphisms in cytochrome P450 (CYP) 2D6, CYP3A4 and CYP3A5 enzymes and in P-glycoprotein (P-gp) on the pharmacokinetics and safety of aripiprazole and, its active metabolite, dehydro-aripiprazole, in 148 healthy volunteers from 6 bioequivalence trials receiving a single oral dose of aripiprazole. The plasma concentrations of both analytes were measured by LC-MS/MS. CYP2D6 (*3,*4,*5,*6,*7,*9 and copy number variations), CYP3A4 (*20 and *22), CYP3A5*3 and C3435T, C1236T and G2677T/A in ABCB1 gene were determined...
January 11, 2018: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29318879/intelligent-mos2-nanotheranostic-for-targeted-and-enzyme-ph-nir-responsive-drug-delivery-to-overcome-cancer-chemotherapy-resistance-guided-by-pet-imaging
#4
Xinghua Dong, Wenyan Yin, Xiao Zhang, Shuang Zhu, Xiao He, Jie Yu, Jiani Xie, Zhao Guo, Liang Yan, Xiangfeng Liu, Qing Wang, Zhanjun Gu, Yuliang Zhao
Chemotherapy resistance remains a major hurdle for cancer therapy in clinic due to poor cellular uptake, insufficient intracellular release of drugs. Herein, an intelligent, multifunctional MoS2 nanotheranostic (MoS2-PEI-HA) ingeniously decorating with biodegradable hyaluronic acid (HA) assisted by polyethyleneimine (PEI) is reported to combat drug-resistant breast cancer (MCF-7-ADR) after loading with chemotherapy drug doxorubicin (DOX). The HA can not only target CD44-overexpressing MCF-7-ADR, but also be degraded by hyaluronidase (HAase) that is concentrated in the tumor microenvironment and thus to accelerate doxorubicin (DOX) release...
January 10, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29318003/incident-adverse-drug-reactions-in-geriatric-inpatients-a-multicentred-observational-study
#5
Amanda Lavan, Joseph Eustace, Darren Dahly, Evelyn Flanagan, Paul Gallagher, Shane Cullinane, Mirko Petrovic, Katrina Perehudoff, Adalsteinn Gudmondsson, Ólafur Samuelsson, Ástrós Sverrisdóttir, Antonio Cherubin, Frederica Dimitri, Joe Rimland, Alfonso Cruz-Jentoft, Manuel Vélez-Díaz-Pallarés, Isabel Lozano Montoya, Roy L Soiza, Selvarani Subbarayan, Denis O'Mahony
Background: Adverse drug reactions (ADRs) are common in older adults and frequently have serious clinical and economic consequences. This study was conducted as a feasibility study for a randomized control trial (RCT) that will investigate the efficacy of a software engine to optimize medications and reduce incident (in-hospital) ADRs. This study's objectives were to (i) establish current incident ADR rates across the six sites participating in the forthcoming RCT and (ii) assess whether incident ADRs are predictable...
January 2018: Therapeutic Advances in Drug Safety
https://www.readbyqxmd.com/read/29314567/antegrade-fenestration-and-re-entry-a-new-controlled-subintimal-technique-for-chronic-total-occlusion-recanalization
#6
Mauro Carlino, Lorenzo Azzalini, Satoru Mitomo, Antonio Colombo
OBJECTIVES: To describe and evaluate the efficacy of a novel antegrade dissection/re-entry (ADR) technique, called antegrade fenestration and re-entry (AFR), for chronic total occlusions (CTO) percutaneous coronary intervention (PCI). BACKGROUND: The widespread adoption of ADR is limited by several technical, logistic, and financial factors. Therefore, novel ADR techniques are needed. METHODS: AFR consists in creating multiple fenestrations of the dissection flap separating the false and true lumen...
January 4, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29314262/adverse-drug-reactions-of-analgesic-medicines-analysis-of-the-romanian-pharmacovigilance-database
#7
Irina Cazacu, Roxana Stroe, Roxana Dondera, Cristina Mogosan, Françoise Haramburu, Annie Fourrier-Réglat, Felicia Loghin
The results of national safety studies are essential for decision-making at the regulatory level and have also educational implications for prescribing patterns. The aim of the present study was to analyze the ADRs of analgesic medicines spontaneously reported to Pharmacovigilance and Risk Management Service of the Romanian National Agency for Medicines and Medical Devices between 2011 and 2015. For the 71 reports, patients had a mean age of 39.8 years; 60.6% of patients were female, 38% male and 1.4% were unknown...
January 4, 2018: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/29313952/how-to-consider-rare-genetic-variants-in-personalized-drug-therapy
#8
Volker M Lauschke, Magnus Ingelman-Sundberg
Personalized drug therapy aims to optimize the efficacy of pharmacological treatments by considering genetic, pathophysiological, dietary, and environmental factors as well as comedications and compliance. A multitude of associations between the specific genetic constitution of the patient and drug pharmacokinetics and pharmacodynamics has been identified in the last decades that encompass mainly common single nucleotide variants (SNVs) and gene copy number variations (CNVs) of importance for the function of genes encoding drug-metabolizing enzymes and transporters involved in drug absorption, distribution, metabolism, and excretion (ADME)...
January 5, 2018: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29310415/cisplatin-induced-sudden-cardiac-death-with-hemodynamic-collapse-a-severe-adverse-drug-reaction-case-report
#9
Silvijus Abramavicius, Marius Zemaitis, Vidas Pilvinis, Edmundas Kadusevicius
RATIONALE: Cisplatin is responsible for a significant percentage of adverse drug reactions (ADRs) in oncology setting. A great proportion of cisplatin-induced severe adverse events are difficult to foresee, and giving premedication does not always prevent the occurrence of such events. PATIENT CONCERNS: A 53-year-old woman with progressive T4 N0 M0 stage IV pleural mesothelioma experienced cardiac arrest with hemodynamic collapse after cisplatin and pemetrexed chemotherapy administration...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29307053/antipsychotics-use-2006-2013-trends-in-prevalence-and-incidence-and-characterization-of-users
#10
François Montastruc, Anne Bénard-Laribière, Pernelle Noize, Elodie Pambrun, Fabienne Diaz-Bazin, Marie Tournier, Bernard Bégaud, Antoine Pariente
PURPOSE: The present study was conducted to describe antipsychotic (AP) prevalent and incident use, characteristics of AP users, and their trends in the French population. METHODS: A cross-sectional study was repeated yearly from January 1, 2007 to December 31, 2013 (for prevalence analysis) or to December 31, 2012 (for incidence analysis) using the French Health Insurance reimbursement database (Echantillon Généraliste de Bénéficiaires, EGB). For each year studied, prevalent and incident AP users were described in terms of age and gender overall, and according to the type of AP (FGAPs or SGAPs) used at index date...
January 6, 2018: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29304089/autoimmune-rheumatic-diseases-increase-dementia-risk-in-middle-aged-patients-a-nationwide-cohort-study
#11
Tzu-Min Lin, Wei-Sheng Chen, Jau-Jiuan Sheu, Yi-Hsuan Chen, Jin-Hua Chen, Chi-Ching Chang
OBJECTIVE: Dementia is a common neurological disease that substantially affects public health. A previous study revealed that dementia occurs when the body's immune system attacks the cells of the brain, indicating that dementia may be similar to autoimmune rheumatic diseases (ARDs). In the current retrospective cohort study, we focused on middle-aged ARD patients (45 years or older) to investigate the association between ARDs in middle-aged people and dementia by using a nationwide population-based database in Taiwan...
2018: PloS One
https://www.readbyqxmd.com/read/29304072/potential-drug-drug-interactions-and-their-risk-factors-in-pediatric-patients-admitted-to-the-emergency-department-of-a-tertiary-care-hospital-in-mexico
#12
Olga Morales-Ríos, Luis Jasso-Gutiérrez, Alfonso Reyes-López, Juan Garduño-Espinosa, Onofre Muñoz-Hernández
BACKGROUND: Drug-drug interactions (DDIs) detected in a patient may not be clinically apparent (potential DDIs), and when they occur, they produce adverse drug reactions (ADRs), toxicity or loss of treatment efficacy. In pediatrics, there are only few publications assessing potential DDIs and their risk factors. There are no studies in children admitted to emergency departments (ED). The present study estimates the prevalence and describes the characteristics of potential DDIs in patients admitted to an ED from a tertiary care hospital in Mexico; in addition, potential DDI-associated risk factors are investigated...
2018: PloS One
https://www.readbyqxmd.com/read/29303126/glycaemic-adverse-drug-reactions-from-anti-neoplastics-used-in-treating-pancreatic-cancer
#13
J Yang, B Jia, J Yan, J He
PURPOSE: Pancreatic carcinoma is the most lethal cancer, with a 5-year survival rate of <5%. Hyperglycemia is one of the severe adverse drug reactions (ADRs) in cancer treatment. The aim was to analyze the blood glucose-related ADR of antineoplastics in treating pancreatic cancer. MATERIALS AND METHODS: Antineoplastic drugs were selected from Martindale-The Complete Drug Reference (36th edition). ADR data were extracted from VigiBase, the WHO Uppsala Monitoring Centre, and the WHO's specialist center for drug safety...
November 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29301415/ph-sensitive-polymeric-nanoparticles-of-mpeg-plga-pglu-with-hybrid-core-for-simultaneous-encapsulation-of-curcumin-and-doxorubicin-to-kill-the-heterogeneous-tumour-cells-in-breast-cancer
#14
Jian-Dong Yuan, De-Li ZhuGe, Meng-Qi Tong, Meng-Ting Lin, Xia-Fang Xu, Xing Tang, Ying-Zheng Zhao, He-Lin Xu
Most breast tumours are heterogeneous and not only contain the bulk of differentiated tumour cells but also a small population of highly tumorigenic and intrinsically drug-resistant cancer stem cells (CSCs). Herein, a pH-sensitive nanoparticle with simultaneous encapsulation of curcumin and doxorubicin (CURDOX-NPs) was prepared by using monomethoxy (polyethylene glycol)-b-P (D,L-lactic-co-glycolic acid)-b-P (L-glutamic acid) polymer to simultaneously target the differentiated tumor cells and CSCs. CURDOX-NPs had a mean diameter of 107...
January 4, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29290074/reported-time-to-onset-of-neurological-adverse-drug-reactions-among-different-age-and-gender-groups-using-metoclopramide-an-analysis-of-the-global-database-vigibase%C3%A2
#15
Kristian Svendsen, Mollie Wood, Erika Olsson, Hedvig Nordeng
PURPOSE: Despite FDA and EMA warnings of long-term use, little is known regarding the time to onset (TTO) of neurological adverse drug reactions (ADR) for metoclopramide. The aims of this study were, first, to evaluate whether neurological ADRs are more commonly reported for metoclopramide than for other medications, and second, to describe how time to onset of neurological ADRs differs by age and gender. METHODS: All ADR reports with metoclopramide as the suspected/interacting drug were extracted from the WHOs Global ADR database Vigibase® between 1967 and May 2016...
December 30, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29286660/ophiobolins-from-the-mangrove-fungus-aspergillus-ustus
#16
Tonghan Zhu, Zhenyu Lu, Jie Fan, Liping Wang, Guoliang Zhu, Yi Wang, Xia Li, Kui Hong, Pawinee Piyachaturawat, Arthit Chairoungdua, Weiming Zhu
Seven new ophiobolins (1-5, 12, and 14) along with the 11 known analogues (6-11, 13, 15-18) were isolated from the ethyl acetate extracts of the liquid and solid cultures of the mangrove fungus Aspergillus ustus 094102. The structures including the absolute configurations of the seven new compounds were elucidated by spectroscopic analysis, chemical methods, and quantum ECD calculations. Compounds 4-8 and 11-15 showed cytotoxicities against the G3K, MCF-7, MD-MBA-231, MCF/Adr, A549, and HL-60 human cancer cell lines with the IC50 values ranging from 0...
December 29, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/29286612/unexpected-lower-expression-of-oncoprotein-gankyrin-in-drug-resistant-abcg2-overexpressing-breast-cancer-cell-lines
#17
Taheri Taheri, Khadijeh Jamialahmadi, Fatemeh Khadijeh
Background: Development of a multidrug resistance (MDR) phenotype to chemotherapy remains a major barrier in the treatment of cancer. Gankyrin (p28, p28GANK or PSMD10) is an oncoprotein overexpressed in different carcinoma cell lines. The aim of this study was to compare Gankyrin expression level in MDR cells (MCF-7/ADR and MCF-7/ MX) and non-MDR counterparts (MCF-7). Methods: Gankyrin, MDR1 (also known as ABCB1; the ATP-binding cassette sub-family B member 1) and ABCG2 (also known as BCRP; the human breast cancer resistance protein) mRNA levels were analyzed by real-time RT-PCR...
December 29, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/29282676/surveillance-on-the-safety-and-efficacy-of-ambrisentan-volibris-tablet-2-5-mg-in-patients-with-pulmonary-arterial-hypertension-in-real-clinical-practice-post-marketing-surveillance-interim-analysis-report
#18
Tomohiko Takahashi, Satoru Hayata, Akihiro Kobayashi, Yuna Onaka, Takeshi Ebihara, Terufumi Hara
BACKGROUND AND OBJECTIVE: Pulmonary arterial hypertension (PAH) is an intractable and rare disease and the accumulation of clinical evidence under real-world setting is needed. A post-marketing surveillance for the endothelin receptor antagonist ambrisentan (Volibris tablet) has been conducted by all-case investigation since September 2010. This paper is an interim report on the safety and efficacy of ambrisentan in 702 patients with PAH. METHODS: PAH patients aged 15 years or older were subjected to the analysis...
December 27, 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/29278992/comorbidity-polytherapy-and-drug-interactions-in-a-neurological-context-an-example-of-a-multidisciplinary-approach-to-promote-the-rational-use-of-drugs
#19
Giulia Busa, Alessandro Burlina, Vera Damuzzo, Marco Chiumente, Angelo C Palozzo
PURPOSE: A high number of adverse drug reactions (ADRs), mainly caused by drug-drug interactions (DDIs), occur in neurological wards and few data are available about incidence and prevalence of DDIs in this context. This study investigated-(1) the prevalence of drug-drug and drug-disease interactions in patients admitted to a neurological unit in Italy, (2) the risk factors for DDIs, and (3) the diseases and the drug classes mostly involved in drug-drug and drug-disease interactions. METHODS: For 2 months, we performed a retrospective, observational study in the neurological unit of St Bassiano Hospital, enrolling 79 patients who received a drug prescription at discharge...
January 1, 2017: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/29277482/comparison-of-narrow-band-imaging-and-confocal-laser-endomicroscopy-for-the-detection-of-neoplasia-in-barrett-s-esophagus-a-meta-analysis
#20
Yi-Quan Xiong, Shu-Juan Ma, Hao-Yue Hu, Jing Ge, Li-Zhi Zhou, Shu-Ting Huo, Min Qiu, Qing Chen
AIMS: Barrett's esophagus (BE) predisposes to the development of esophageal neoplasia, including high-grade dysplasia (HGD) and esophageal adenocarcinoma (EAC). A systematic literature review and meta-analysis were performed to assess the accuracy of within-patient comparisons of narrow band imaging (NBI) and confocal laser endomicroscopy (CLE) for diagnosis of HGD/EAC in patients with BE. METHODS: The following databases were examined up to April 2016 without language restriction: PubMed, Embase, Medline, Web of Science and the Cochrane Library...
December 22, 2017: Clinics and Research in Hepatology and Gastroenterology
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