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https://www.readbyqxmd.com/read/29340330/efficacy-and-safety-of-sucroferric-oxyhydroxide-and-calcium-carbonate-in-hemodialysis-patients
#1
Fumihiko Koiwa, Keitaro Yokoyama, Masafumi Fukagawa, Tadao Akizawa
Introduction: In this phase III, open-label, single-arm, multi-center 12-week study, we evaluated the efficacy and safety of combination therapy with sucroferric oxyhydroxide (PA21) and calcium carbonate for hemodialysis patients with hyperphosphatemia. Methods: We enrolled 35 subjects aged ≥ 20 years with end-stage kidney disease and serum phosphorus 3.5-6.0 mg/dl who were undergoing hemodialysis 3 times weekly and taking calcium carbonate and sevelamer hydrochloride...
January 2018: KI Reports
https://www.readbyqxmd.com/read/29338536/p2y12-receptor-inhibitors-an-evolution-in-drug-design-to-prevent-arterial-thrombosis
#2
Danny Kupka, Dirk Sibbing
P2Y12 inhibitors are a critical component of dual antiplatelet therapy (DAPT) - a combination of a P2Y12 receptor inhibitor and aspirin - which is the superior strategy to prevent arterial thrombosis in patients with acute coronary syndromes (ACS) and undergoing stent implantation. Areas covered: Basic science articles, clinical studies, and reviews from 1992-2017 were searched using Pubmed library to collet impactful literature. After an introduction to the purinergic receptor biology, this review summarizes current knowledge on P2Y12 receptor inhibitors including their specific pharmacodynamic as well as pharmacokinetic and drug interaction features...
January 17, 2018: Expert Opinion on Drug Metabolism & Toxicology
https://www.readbyqxmd.com/read/29337457/-pharmacovigilance-update
#3
Françoise Livio
The main pharmacovigilance updates in 2017 are reviewed. Denosumab : rebound-associated multiple vertebral fractures after discontinuation. Canagliflozine: increased risk of foot/leg amputations. Biologic and targeted cancer therapies, direct-acting antivirals for chronic hepatitis C: risk of hepatitis B reactivation. Checkpoint inhibitors : immune-related adverse events and graft rejection. Fingolimod : rebound-associated reactivation of MS following withdrawal. Daclizumab: risk of severe liver injury leading to restricted use in MS patients...
January 10, 2018: Revue Médicale Suisse
https://www.readbyqxmd.com/read/29336311/comparison-of-the-effects-of-p2y12-receptor-antagonists-on-platelet-function-and-clinical-outcomes-in-patients-undergoing-primary-pci-a-substudy-of-the-heat-ppci-trial
#4
Adeel Shahzad, Vikram Khanna, Ian Kemp, Matthew Shaw, Christine Mars, Robert Cooper, Keith Wilson, Nick Curzen, Rod H Stables
AIMS: The HEAT-PPCI trial compared bivalirudin and unfractionated heparin in patients undergoing Primary PCI. We report pre-specified, secondary analyses comparing the effects of P2Y12 inhibiting agents on platelet reactivity and clinical events. METHODS AND RESULTS: All patients received pre-procedural oral anti-platelet therapy. During the early stages of the trial, the P2Y12 inhibitor of choice was prasugrel with some use of clopidogrel. Later, routine therapy switched to ticagrelor...
January 16, 2018: EuroIntervention
https://www.readbyqxmd.com/read/29334800/research-progress-of-self-assembled-nanogel-and-hybrid-hydrogel-systems-based-on-pullulan-derivatives
#5
Tao Zhang, Ruyi Yang, Shengnan Yang, Jibin Guan, Dong Zhang, Yan Ma, Hongzhuo Liu
Polymer nano-sized hydrogels (nanogels) as drug delivery carriers have been investigated over the last few decades. Pullulan, a nontoxic and nonimmunogenic hydrophilic polysaccharide derived from fermentation of black yeast like Aureobasidium pullulans with great biocompatibility and biodegradability, is one of the most attractive carriers for drug delivery systems. In this review, we describe the preparation, characterization, and 'switch-on/off' mechanism of typical pullulan self-assembled nanogels (self-nanogels), and then introduce the development of hybrid hydrogels that are numerous resources applied for regenerative medicine...
November 2018: Drug Delivery
https://www.readbyqxmd.com/read/29334548/plasma-and-intracellular-pharmacokinetics-of-tenofovir-in-patients-switched-from-tenofovir-disoproxil-fumarate-to-tenofovir-alafenamide
#6
Anthony T Podany, Sara H Bares, Joshua Havens, Ravi Dyavar Shetty, Jennifer O'neill, Sarah Lee, Courtney V Fletcher, Susan Swindells, Kimberly K Scarsi
OBJECTIVES: The aim of the study was to compare the intra-individual plasma and intracellular peripheral blood mononuclear cell (PBMC) pharmacokinetics (PK) of tenofovir (TFV) and its intracellular metabolite, tenofovir-diphosphate (TFV-DP) in patients switched from a fixed dose combination (FDC) tablet of tenofovir disoproxil fumarate (TDF)/ emtricitabine (FTC)/ elvitegravir (EVG)/ cobicistat (COBI) to a FDC containing tenofovir alafenamide (TAF)/FTC/EVG/COBI. DESIGN: A single arm, prospective, non-randomized, cross-over, PK study in patients receiving a TDF-containing regimen (TDF 300 mg/ FTC 200 mg/ EVG 150 mg/ COBI 150 mg) switched to a TAF-containing FDC regimen (TAF 10 mg/ FTC 200 mg/ EVG 150 mg/ COBI 150 mg)...
January 13, 2018: AIDS
https://www.readbyqxmd.com/read/29332054/dementia-and-atrial-fibrillation-a-dangerous-combination-for-ischemic-stroke-and-mortality
#7
Daniele Pastori, Kazuo Miyazawa, Gregory Y H Lip
The risk of developing dementia is increased in patients with atrial fibrillation (AF), with the incidence of both conditions increasing with aging. Patients with dementia frequently do not receiving adequate thrombo-prophylaxis, because of the inability to monitor INR and/or to achieve and maintain good compliance with anticoagulant treatment. Under-treatment is therefore an important contributor to the increased risk of ischemic stroke and mortality in this subgroup of AF patients. In newly-diagnosed patients with AF starting oral anticoagulation, the presence of cognitive impairment should be considered in addition to the calculation of the SAMe-TT2R2 score, as part of an integrated decision management pathway to choose the most appropriate oral anticoagulant [i...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29329963/switch-to-ticagrelor-in-critical-limb-ischemia-antiplatelet-study-stt-clips
#8
Leonardo C Clavijo, Ashwat Dhillon, Noor Al-Asady, Ray V Matthews, Jorge Caro, Han Tun, Vincent Rowe, David M Shavelle
OBJECTIVE: To investigate platelet reactivity in patients with critical limb ischemia (CLI) after switching from clopidogrel to ticagrelor. BACKGROUND: High on-treatment platelet reactivity (HPR) is highly prevalent in patients with CLI treated with clopidogrel. The effect of ticagrelor in patients with CLI is not known, however. METHODS: We performed P2Y12 platelet receptor inhibition studies (VASP and VerifyNow) in 50 patients with CLI. Tests were performed before and 6±1h after daily 75mg clopidogrel dose...
September 5, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/29329318/erythrocyte-inosine-triphosphatase-activity-a-potential-biomarker-for-adverse-events-during-combination-antiretroviral-therapy-for-hiv
#9
N Chantal Peltenburg, Jörgen Bierau, Jaap A Bakker, Jolanda A Schippers, Selwyn H Lowe, Aimée D C Paulussen, Bianca J C van den Bosch, Mathie P G Leers, Bettina E Hansen, Annelies Verbon
The purine analogues tenofovir and abacavir are precursors of potential substrates for the enzyme Inosine 5'-triphosphate pyrophosphohydrolase (ITPase). Here, we investigated the association of ITPase activity and ITPA genotype with the occurrence of adverse events (AEs) during combination antiretroviral therapy (cART) for human immunodeficiency virus (HIV) infection. In 393 adult HIV-seropositive patients, AEs were defined as events that led to stop of cART regimen. ITPase activity ≥4 mmol IMP/mmol Hb/hour was considered as normal...
2018: PloS One
https://www.readbyqxmd.com/read/29329305/evaluating-the-efficacy-of-switching-from-lamivudine-plus-adefovir-to-tenofovir-disoproxil-fumarate-monotherapy-in-lamivudine-resistant-stable-hepatitis-b-patients
#10
Heon Ju Lee, Sang Jin Kim, Young Oh Kweon, Soo Young Park, Jeong Heo, Hyun Young Woo, Jae Seok Hwang, Woo Jin Chung, Chang Hyeong Lee, Byung Seok Kim, Jeong Ill Suh, Won Young Tak, Byoung Kuk Jang
BACKGROUND: The efficacy of switching to tenofovir disoproxil fumarate (TDF) monotherapy from lamivudine (LAM) plus adefovir dipivoxil (ADV) combination therapy (stable switching) in patients with LAM-resistant chronic hepatitis B (CHB) and undetectable hepatitis B virus (HBV) DNA is not clear. METHODS: In this non-inferiority trial, patients with LAM-resistant CHB and undetectable serum HBV DNA (<20 IU/mL) for >6 months after initiating LAM+ADV combination therapy were randomized (1:2) either to continue the combination therapy (LAM+ADV group, n = 58) or switched to TDF monotherapy (TDF group, n = 111)...
2018: PloS One
https://www.readbyqxmd.com/read/29328277/efficient-1-7%C3%A2-%C3%A2-%C3%AE-m-light-source-based-on-kta-opo-derived-by-nd-yvo4-self-raman-laser
#11
Haiyong Zhu, Junhong Guo, Yanmin Duan, Jing Zhang, Yongchang Zhang, Changwen Xu, Hongyan Wang, Dianyuan Fan
An intra-cavity optical parametric oscillator (OPO) emitting at 1.7 μm derived by Nd:YVO4 self-Raman laser is demonstrated in this Letter, with a KTiOAsO4 (KTA) crystal used as nonlinear optical crystal. A laser diode end-pumped acousto-optic Q-switched Nd:YVO4 self-Raman laser at 1176 nm was employed as the pump source. At an incident pump power of 12.1 W and a pulse repetition frequency of 60 kHz, average output power up to 1.2 W signal light at 1742 nm was obtained, with diode-to-signal conversion efficiency of 10%...
January 15, 2018: Optics Letters
https://www.readbyqxmd.com/read/29327220/patient-perceptions-and-preferences-for-a-mealtime-insulin-delivery-patch
#12
Mark Peyrot, Darlene Dreon, Vivien Zraick, Brett Cross, Meng H Tan
INTRODUCTION: A basal-bolus insulin regimen is needed to achieve glycated hemoglobin A1c (HbA1c) below 7.0% in people with type 1 (T1D) or type 2 (T2D) diabetes who have significant loss of beta-cell function. Nonadherence to therapy is common and negatively affects the ability to reach treatment goals. We examined patient assessment of a new, wearable mealtime insulin-delivery system (patch) relative to their current mealtime insulin-delivery system (syringe, pen, or pump). The patch is designed to deliver only boluses of fast-acting insulin (no basal insulin), mechanically controlled by the patient...
January 11, 2018: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
https://www.readbyqxmd.com/read/29327101/fundamentals-of-sirna-and-mirna-therapeutics-and-a-review-of-targeted-nanoparticle-delivery-systems-in-breast-cancer
#13
REVIEW
Tamkin Ahmadzada, Glen Reid, David R McKenzie
Gene silencing via RNA interference (RNAi) is rapidly evolving as a personalized approach to cancer treatment. The effector molecules-small interfering RNAs (siRNAs) and microRNAs (miRNAs)-can be used to silence or "switch off" specific cancer genes. Currently, the main barrier to implementing siRNA- and miRNA-based therapies in clinical practice is the lack of an effective delivery system that can protect the RNA molecules from nuclease degradation, deliver to them to tumor tissue, and release them into the cytoplasm of the target cancer cells, all without inducing adverse effects...
January 11, 2018: Biophysical Reviews
https://www.readbyqxmd.com/read/29326855/all-types-of-age-related-macular-degeneration-in-one-patient
#14
Zafer Cebeci, Nur Kır
Herein, we describe a neovascular age-related macular degeneration patient with retinal angiomatous proliferation (RAP) and polypoidal choroidal vasculopathy (PCV) coexisting in the same eye at the time of diagnosis. A 55-year-old woman presented with a history of decreased vision in her left eye. Fundoscopy, fluorescein and indocyanine green angiography, and optical coherence tomography imaging revealed RAP and PCV lesions in her left eye at first diagnosis. The patient received intravitreal ranibizumab therapy but developed tachyphylaxis after the first dose despite having three monthly doses...
December 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/29325448/impact-of-cyp2c19-genotype-on-escitalopram-exposure-and-therapeutic-failure-a-retrospective-study-based-on-2-087-patients
#15
Marin M Jukić, Tore Haslemo, Espen Molden, Magnus Ingelman-Sundberg
OBJECTIVE: The antidepressant escitalopram is predominantly metabolized by the polymorphic CYP2C19 enzyme. The authors investigated the effect of CYP2C19 genotype on exposure and therapeutic failure of escitalopram in a large patient population. METHOD: A total of 4,228 escitalopram serum concentration measurements from 2,087 CYP2C19-genotyped patients 10-30 hours after drug intake were collected retrospectively from the drug monitoring database at Diakonhjemmet Hospital in Oslo...
January 12, 2018: American Journal of Psychiatry
https://www.readbyqxmd.com/read/29325166/drug-safety-and-immunogenicity-of-tumour-necrosis-factor-inhibitors-the-story-so-far
#16
Meghna Jani, William G Dixon, Hector Chinoy
TNF-α inhibitor (TNFi) therapies have transformed the treatment of several rheumatic musculoskeletal diseases. However, the majority of TNFi's are immunogenic and consequent anti-drug antibodies formation can impact on both treatment efficacy and safety. Several controversies exist in the area of immunogenicity of TNFis and drug safety. While anti-drug antibodies to TNFis have been described in association with infusion reactions; serious adverse events (AEs) such as thromboembolic events, lupus-like syndrome, paradoxical AEs, for example, vasculitis-like events and other autoimmune manifestations have also been reported...
January 8, 2018: Rheumatology
https://www.readbyqxmd.com/read/29322247/comparison-of-the-neuroinflammatory-responses-to-selective-retina-therapy-and-continuous-wave-laser-photocoagulation-in-mouse-eyes
#17
Jung Woo Han, Juhye Choi, Young Shin Kim, Jina Kim, Ralf Brinkmann, Jungmook Lyu, Tae Kwann Park
PURPOSE: This study investigated microglia and inflammatory cell responses after selective retina therapy (SRT) with microsecond-pulsed laser in comparison to continuous-wave laser photocoagulation (cwPC). METHODS: Healthy C57BL/6 J mice were treated with either a train of short pulses (SRT; 527-nm, Q-switched, 1.7-μs pulse) or a conventional thermal continuous-wave (532-nm, 100-ms pulse duration) laser. The mice were sacrificed and their eyes were enucleated 1, 3, 7, and 14 days after both laser treatments...
January 10, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29322168/patient-preferences-for-surgery-or-antibiotics-for-the-treatment-of-acute-appendicitis
#18
Alexis L Hanson, Ross D Crosby, Marc D Basson
Importance: Studies have compared surgical with nonsurgical therapy for acute uncomplicated appendicitis, but none of these studies have a patient-centered perspective. Objectives: To evaluate how patients might choose between surgical and nonsurgical therapy for acute uncomplicated appendicitis and to identify targets to make antibiotic treatment more appealing. Design, Setting, and Participants: This study comprised an online survey and an in-person sensitivity analysis survey...
January 10, 2018: JAMA Surgery
https://www.readbyqxmd.com/read/29322112/managing-male-mammary-maladies
#19
REVIEW
Ian S Fentiman
This review examines the symptoms, need for referral and management of the benign breast conditions which afflict males, together with the steps that are necessary to exclude or confirm male breast cancer. The most common complaint is gynaecomastia, either true or pseudo, and the majority of these cases need reassurance without over-investigation. Drugs that induce breast enlargement are described in order that, when possible, a medication switch can be made. Men receiving endocrine therapy for prostate cancer may develop painful gynaecomastia and this can be relieved with tamoxifen...
January 2018: European Journal of Breast Health
https://www.readbyqxmd.com/read/29321417/peripheral-ulcerative-keratitis-associated-with-granulomatosis-with-polyangiitis-emerging-despite-cyclophosphamide-successfully-treated-with-rituximab
#20
Yuya Fujita, Shoichi Fukui, Yushiro Endo, Sosuke Tsuji, Ayuko Takatani, Toshimasa Shimizu, Masataka Umeda, Ayako Nishino, Tomohiro Koga, Shin-Ya Kawashiri, Naoki Iwamoto, Kunihiro Ichinose, Mami Tamai, Hideki Nakamura, Tomoki Origuchi, Ryotaro Ueki, Masafumi Uematsu, Kaori Ishida, Kuniko Abe, Atsushi Kawakami
A 67-year-old Japanese man was diagnosed with granulomatosis with polyangiitis based on the presence of right maxillary sinusitis, proteinase 3 antineutrophil cytoplasmic antibody positivity, and right scleritis. A conjunctival biopsy specimen showed neutrophil-predominant infiltration around the vessels without granuloma. Because there was a risk of blindness, pulsed methylprednisolone and intravenous cyclophosphamide pulse therapy (IVCY) was started. However, it was ineffective, and peripheral ulcerative keratitis newly emerged...
January 11, 2018: Internal Medicine
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