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https://www.readbyqxmd.com/read/28729970/severe-cyclophosphamide-related-hyponatremia-in-a-patient-with-acute-glomerulonephritis
#1
Pasquale Esposito, Maria Valentina Domenech, Nicoletta Serpieri, Marta Calatroni, Ilaria Massa, Alessandro Avella, Edoardo La Porta, Luca Estienne, Elena Caramella, Teresa Rampino
Cyclophosphamide is frequently used to treat cancer, autoimmune and renal diseases, such as rapidly progressive glomerulonephritis. Its side effects are well-known, including bone marrow depression, infections, alopecia, sterility, bladder malignancy and hemorrhagic cystitis. Moreover, in some cases cyclophosphamide use has been related to the onset of hyponatremia, by development of a syndrome of inappropriate antidiuresis. Indeed, severe hyponatremia has been previously reported in patients treated with high-dose or moderate-dose of intravenous cyclophosphamide, while only few cases have been reported in patients treated with low dose...
July 6, 2017: World Journal of Nephrology
https://www.readbyqxmd.com/read/28726799/the-insular-cortex-dynamically-maps-changes-in-cardiorespiratory-interoception
#2
Mahlega S Hassanpour, W Kyle Simmons, Justin S Feinstein, Qingfei Luo, Rachel Lapidus, Jerzy Bodurka, Martin P Paulus, Sahib S Khalsa
Palpitations and dyspnea are fundamental to the human experience of panic anxiety, but it remains unclear how the brain dynamically represents changes in these interoceptive sensations. We used isoproterenol, a rapidly acting peripheral beta-adrenergic agonist similar to adrenaline, to induce sensations of palpitation and dyspnea in healthy individuals (n=23) during arterial spin labeling (ASL) functional Magnetic Resonance Imaging (fMRI). We hypothesized that the right mid-insular cortex, a central recipient of viscerosensory input, would preferentially respond during the peak period of cardiorespiratory stimulation...
July 20, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28723125/pharmacokinetics-on-a-chip-using-label-free-sers-technique-for-programmable-dual-drug-analysis
#3
Jiayuan Fei, Lei Wu, Yizhi Zhang, Shenfei Zong, Zhuyuan Wang, Yiping Cui
Synergistic effects of dual or multiple drugs have attracted great attention in medical fields, especially in cancer therapies. We provide a programmable microfluidic platform for pharmacokinetic detection of multiple drugs in multiple cells. The well-designed microfluidic platform includes two 2 × 3 microarrays of cell chambers, two gradient generators, and several pneumatic valves. Through the combined use of valves and gradient generators, each chamber can be controlled to infuse different kinds of living cells and drugs with specific concentrations as needed...
June 23, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28714036/pharmacokinetics-of-intravenous-pan-class-i-phosphatidylinositol-3-kinase-pi3k-inhibitor-14-c-copanlisib-bay-80-6946-in-a-mass-balance-study-in-healthy-male-volunteers
#4
Michael Gerisch, Thomas Schwarz, Dieter Lang, Gabriele Rohde, Stefanie Reif, Isabelle Genvresse, Susanne Reschke, Dorina van der Mey, Camille Granvil
PURPOSE: To determine the pharmacokinetics of radiolabeled copanlisib (BAY 80-6946) in healthy male volunteers and to investigate the disposition and biotransformation of copanlisib. METHODS: A single dose of 12 mg copanlisib containing 2.76 MBq [(14)C]copanlisib was administered as a 1-h intravenous infusion to 6 volunteers with subsequent sampling up to 34 days. Blood, plasma, urine and feces were collected to monitor total radioactivity, parent compound and metabolites...
July 11, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28709429/efficacy-of-rituximab-in-non-paraneoplastic-autoimmune-retinopathy
#5
Katherine Boudreault, Sally Justus, Jesse D Sengillo, Kaspar Schuerch, Winston Lee, Thiago Cabral, Stephen H Tsang
BACKGROUND: Autoimmune retinopathy (AIR) is a rare but potentially blinding condition that is often underdiagnosed. Common features in AIR presentation include rapidly progressive vision loss with abnormal electrophysiological responses of the retina associated with positive anti-retinal antibodies. AIR is also challenging to treat, and thus, the introduction of new potential therapeutic agents is welcomed. The goal of this communication is to assess the effects of rituximab infusions on electroretinogram (ERG) responses and visual function outcomes in patients with non-paraneoplastic autoimmune retinopathy (npAIR)...
July 15, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28704229/treatment-of-hyponatremic-encephalopathy-in-the-critically-ill
#6
Steven G Achinger, Juan Carlos Ayus
OBJECTIVES: Hyponatremic encephalopathy, symptomatic cerebral edema due to a low osmolar state, is a medical emergency and often encountered in the ICU setting. This article provides a critical appraisal and review of the literature on identification of high-risk patients and the treatment of this life-threatening disorder. DATA SOURCES, STUDY SELECTION, AND DATA EXTRACTION: Online search of the PubMed database and manual review of articles involving risk factors for hyponatremic encephalopathy and treatment of hyponatremic encephalopathy in critical illness...
July 11, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28701596/propofol-versus-ketofol-for-sedation-of-pediatric-patients-undergoing-transcatheter-pulmonary-valve-implantation-a-double-blind-randomized-study
#7
Rabie Soliman, Mohammed Mofeed, Tarek Momenah
OBJECTIVE: The study was done to compare propofol and ketofol for sedation of pediatric patients scheduled for elective pulmonary valve implantation in a catheterization laboratory. DESIGN: This was a double-blind randomized study. SETTING: This study was conducted in Prince Sultan Cardiac Centre, Saudi Arabia. PATIENTS AND METHODS: The study included 60 pediatric patients with pulmonary regurge undergoing pulmonary valve implantation...
July 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28701350/effectiveness-of-interventions-to-improve-medication-use-during-rapid-sequence-intubation-in-a-pediatric-emergency-department
#8
Michelle C Caruso, Jenna R Dyas, Matthew R Mittiga, Andrea S Rinderknecht, Benjamin T Kerrey
PURPOSE: Results of a study to determine whether checklist-based interventions improved the selection and administration of rapid-sequence intubation (RSI) medications in a pediatric emergency department (ED) are reported. METHODS: A retrospective study of data collected during a quality-improvement project was conducted. Data sources included the electronic health record and video review. The central intervention was use of a 21-item RSI checklist, which included guidance for the physician team leader on medication selection and timing...
July 12, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28698955/role-of-natural-igm-autoantibodies-igm-naa-and-igm-anti-leukocyte-antibodies-igm-ala-in-regulating-inflammation
#9
Peter I Lobo
Natural IgM autoantibodies (IgM-NAA) are rapidly produced to inhibit pathogens and abrogate inflammation mediated by invading microorganisms and host neoantigens. IgM-NAA achieve this difficult task by being polyreactive with low binding affinity but with high avidity, characteristics that allow these antibodies to bind antigenic determinants shared by pathogens and neoantigens. Hence the same clones of natural IgM can bind and mask host neoantigens as well as inhibit microorganisms. In addition, IgM-NAA regulate the inflammatory response via mechanisms involving binding of IgM to apoptotic cells to enhance their removal and binding of IgM to live leukocytes to regulate their function...
July 12, 2017: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/28698848/treatment-and-response-of-autoimmune-cytopenia-occurring-after-allogeneic-hematopoietic-cell-transplantation-in-children
#10
Seok Hwang-Bo, Seong-Koo Kim, Jae Wook Lee, Pil-Sang Jang, Nack-Gyun Chung, Dae-Chul Jeong, Bin Cho, Hack-Ki Kim
BACKGROUND: Autoimmune cytopenia (AIC) is a rare complication of allogeneic hematopoietic cell transplantation (HCT). In this study, we reviewed the diagnosis, treatment and response to therapy for pediatric patients with post-HCT AIC at our institution. METHODS: Of the 292 allogeneic HCTs performed from January, 2011 to December, 2015 at the Department of Pediatrics, The Catholic University of Korea, seven were complicated by post-HCT AIC, resulting in an incidence of 2...
June 2017: Blood Research
https://www.readbyqxmd.com/read/28696155/studies-of-the-precipitation-pattern-of-paclitaxel-in-intravenous-infusions-and-rat-plasma-using-laser-nephelometry
#11
Shaza El-Nemr, Basma Y Al-Najjar, Huner K Omer, Abdelbary M A Elhissi, Mohamed A Alhnan
Cremophor EL (CrEL) is commonly used to solubilize paclitaxel (Ptx); a widely established anticancer agent used against many types of cancer. Using laser-based microplate nephelometry, in this work we assessed the precipitation kinetics of Ptx in CrEL-containing formulations upon dilutions with different infusion media or upon introduction into rat plasma. The precipitation profile of Ptx was assessed for a Taxol-like formulation and compared with an preparation with reduced CrEL content. These two formulations were diluted at various ratios in compatible infusion media and with or without rat plasma...
July 11, 2017: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/28694329/feminization-of-male-mouse-liver-by-persistent-growth-hormone-stimulation-activation-of-sex-biased-transcriptional-networks-and-dynamic-changes-in-chromatin-states
#12
Dana Lau-Corona, Alexander Suvorov, David J Waxman
Sex-dependent pituitary GH secretory profiles--pulsatile in males and persistent in females--regulate sex-biased, STAT5-dependent expression of hundreds of genes in mouse liver, imparting sex differences in hepatic drug/lipid metabolism and disease risk. Here we examine transcriptional and epigenetic changes induced by continuous-GH infusion (cGH) in male mice, which rapidly feminizes the temporal profile of liver STAT5 activity. cGH repressed 86% of male-biased genes and induced 68% of female-biased genes within 4-days; however, several highly female-specific genes showed weak or no feminization, even after 14-days cGH...
July 10, 2017: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28687625/a-phase-ii-trial-evaluating-the-safety-of-rapid-infusion-of-ofatumumab-in-patients-with-previously-treated-chronic-lymphocytic-leukemia
#13
William Donnellan, Jesus G Berdeja, Diana Shipley, Edward R Arrowsmith, David Wright, Scott Lunin, Richard Brown, James H Essell, Ian W Flinn
LESSONS LEARNED: Ofatumumab infusion reactions can be diminished by escalating the dose rate in individual patients in sequential infusions. BACKGROUND: Ofatumumab (OFA) is a fully humanized, anti-CD20 antibody approved for use in chronic lymphocytic leukemia (CLL). The recommended administration requires long infusion times. We evaluated an accelerated infusion regimen of 2 hours. METHODS: The first dose of OFA (300 mg) was given on week 1 day 1 starting at 3...
July 7, 2017: Oncologist
https://www.readbyqxmd.com/read/28684634/the-effect-of-ingested-glucose-dose-on-the-suppression-of-endogenous-glucose-production-in-humans
#14
Greg M Kowalski, Samantha M Moore, Steven Hamley, Ahrathy Selathurai, Clinton R Bruce
Insulin clamp studies have shown that insulin's suppressive actions on endogenous glucose production (EGP) are markedly more sensitive than that for stimulating glucose disposal (Rd). However, clamp conditions do not adequately mimic postprandial physiological responses. Here, in healthy subjects, using the variable infusion dual-tracer approach, we used a 3-fold range of ingested glucose doses (25, 50 and 75 g) to investigate how physiologic changes in plasma insulin influence EGP. Remarkably, the glucose responses were similar for all doses tested, yet there was a dose-dependent increase in insulin secretion and plasma insulin levels...
July 6, 2017: Diabetes
https://www.readbyqxmd.com/read/28683000/safety-risks-among-home-infusion-nurses-and-other-home-health-care-providers
#15
Pia Markkanen, Catherine Galligan, Margaret Quinn
In the United States, home health care (HHC) is a rapidly growing industry and home infusion therapy is a rapidly growing market. HHC can present substantial occupational safety and health (OSH) risks. This article summarizes major OSH risks relevant to home infusion therapy by illustrating them through real-life scenarios collected systematically using qualitative research methods by the National Institute for Occupational Safety and Health-funded research projects at the University of Massachusetts Lowell...
July 2017: Journal of Infusion Nursing: the Official Publication of the Infusion Nurses Society
https://www.readbyqxmd.com/read/28682883/nivolumab-induced-myasthenia-gravis-in-a-patient-with-squamous-cell-lung-carcinoma-case-report
#16
Yu-Hsiu Chen, Feng-Cheng Liu, Chang-Hung Hsu, Chih-Feng Chian
RATIONALE: Nivolumab (Nivo) is an immune checkpoint inhibitor that has been used to treat advanced melanoma, nonsmall cell lung carcinoma, and renal cell carcinoma since 2015. Nivo is associated with several side effects, including hepatitis, pneumonitis, acute renal failure, endocrine disorder, and other immune-related adverse events. Here, we describe the case of a 65-year-old man with squamous cell lung carcinoma who developed myasthenia gravis (MG) after a third Nivo infusion. PATIENT CONCERNS: A 65-year-old man with advanced squamous cell lung carcinoma developed ptosis, diplopia, drop head, and general weakness 5 days after a third Nivo infusion...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28680828/rapid-deterioration-of-preexisting-renal-insufficiency-after-autologous-mesenchymal-stem-cell-therapy
#17
Jun-Seop Kim, Jong-Hak Lee, Owen Kwon, Jang-Hee Cho, Ji-Young Choi, Sun-Hee Park, Chan-Duck Kim, Yong-Jin Kim, Yong-Lim Kim
Administration of autologous mesenchymal stem cells (MSCs) has been shown to improve renal function and histological findings in acute kidney injury (AKI) models. However, its effects in chronic kidney disease (CKD) are unclear, particularly in the clinical setting. Here, we report our experience with a CKD patient who was treated by intravenous infusion of autologous MSCs derived from adipose tissue in an unknown clinic outside of Korea. The renal function of the patient had been stable for several years before MSC administration...
June 2017: Kidney Research and Clinical Practice
https://www.readbyqxmd.com/read/28677877/a-phase-2a-dose-escalation-study-of-the-safety-tolerability-pharmacokinetics-and-haemodynamic-effects-of-bms-986231-in-hospitalized-patients-with-heart-failure-with-reduced-ejection-fraction
#18
Cristina Tita, Edward M Gilbert, Adrian B Van Bakel, Jacek Grzybowski, Garrie J Haas, Mohammad Jarrah, Stephanie H Dunlap, Stephen S Gottlieb, Marc Klapholz, Parag C Patel, Roman Pfister, Tim Seidler, Keyur B Shah, Tomasz Zieliński, Robert P Venuti, Douglas Cowart, Shi Yin Foo, Alexander Vishnevsky, Veselin Mitrovic
AIMS: This study was designed to evaluate the safety, tolerability and haemodynamic effects of BMS-986231, a novel second-generation nitroxyl donor with potential inotropic, lusitropic and vasodilatory effects in patients hospitalized with decompensated heart failure and reduced ejection fraction (HFrEF). METHODS AND RESULTS: Forty-six patients hospitalized with decompensated HFrEF were enrolled into four sequential dose-escalation cohorts in this double-blind, randomized, placebo-controlled Phase 2a study...
July 5, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28675686/the-challenges-of-achieving-postprandial-glucose-control-using-closed-loop-systems-in-patients-with-type-1-diabetes
#19
REVIEW
Véronique Gingras, Nadine Taleb, Amélie Roy-Fleming, Laurent Legault, Rémi Rabasa-Lhoret
For patients with type 1 diabetes, closed-loop delivery systems (CLS) combining an insulin pump, a glucose sensor and a dosing algorithm allowing a dynamic hormonal infusion have been shown to improve glucose control when compared to conventional therapy. Yet, reducing glucose excursion as well as simplification of prandial insulin doses remains a challenge. The objective of this literature review is to examine current meal-time strategies in the context of automated delivery systems in adults and children with type 1 diabetes...
July 4, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28674258/roles-of-transient-receptor-potential-ankyrin-1-in-oxaliplatin-induced-peripheral-neuropathy
#20
Takayuki Nakagawa, Shuji Kaneko
Chemotherapy-induced peripheral neuropathy (CIPN), characterized by symptoms of paresthesia, dysesthesia, numbness, and pain, is a common adverse effect of several chemotherapeutic agents, including platinum-based agents, taxanes, and vinca alkaloids. However, no effective prevention or treatment strategies exist for CIPN because the mechanisms underpinning this neuropathy are poorly understood. Recent accumulating evidence suggests that some transient receptor potential (TRP) channels functioning as nociceptors in primary sensory neurons are responsible for CIPN...
2017: Biological & Pharmaceutical Bulletin
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