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https://www.readbyqxmd.com/read/29241294/early-stage-formulation-considerations
#1
Robert W Lee, Mark Mitchnick
When a drug candidate-i.e., a new chemical entity (NCE) or new molecular entity (NME)-is discovered, there is a requirement to identify a vehicle for in vitro and/or in vivo evaluation to assess the activity and/or toxicity of the compound (here we refer to the biologically active compound as the active pharmaceutical ingredient: API). Ideally, this vehicle will not impart any biological activity or any toxicity that would mask or confound the effects of the API. At this early stage in development, and given the high attrition rates of drug candidates in discovery, it does not make sense to fully characterize the API-speed and cost are generally the driving factors...
December 14, 2017: Current Protocols in Chemical Biology
https://www.readbyqxmd.com/read/29241288/-aromatherapy-from-traditional-and-scientific-evidence-into-clinical-practice
#2
Wolfgang Steflitsch
Essential oils (EOs), also known as volatile oils, are concentrated natural plant products which contain volatile aroma compounds. Most EOs are derived by steam distillation, a tradition which can be traced back as many as 5000 years. They possess unique properties which result in various possibilities for application, also in modern medical contexts. Areas for medical aromatherapy include respiratory diseases, pain management or stress alleviation, amongst many others. Different modes of application exist: The rich ingredients can be absorbed by the body by anointment, gentle massage, inhalation, or oral intake of capsules...
December 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/29241263/systematic-review-of-oral-therapy-for-the-treatment-of-symptoms-of-bladder-pain-syndrome-the-brazilian-guidelines
#3
Thaís Guimarães Dos Santos, Isabela Albuquerque Severo de Miranda, Christiana Campani Nygaard, Lucas Schreiner, Rodrigo de Aquino Castro, Jorge Milhen Haddad
Interstitial cystitis (IC), including bladder pain syndrome (BPS), is a chronic and debilitating disease that mainly affects women. It is characterized by pelvic pain associated with urinary urgency, frequency, nocturia and negative urine culture, with normal cytology. In 2009, the Society for Urodynamics and Female Urology (SUFU) defined the term IC/BPS as "an unpleasant sensation (pain, pressure, and discomfort) perceived to be related to the urinary bladder, associated with lower urinary tract symptoms for more than 6 weeks duration, in the absence of infection or other identifiable causes...
December 14, 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/29241210/combination-cyclophosphamide-glucocorticoids-provide-better-tolerability-and-outcomes-versus-glucocorticoids-alone-in-patients-with-sjogren-s-associated-chronic-interstitial-nephritis
#4
Yuqi Shen, Jingyuan Xie, Li Lin, Xiao Li, Pingyan Shen, Xiaoxia Pan, Hong Ren, Nan Chen
BACKGROUND: Steroid therapy has become an effective option for patients with primary Sjogren's syndrome with tubulointerstitial nephritis (TIN), while the use of cytotoxic agents is still debated. Our study aimed to compare the clinical outcomes of patients treated with cyclophosphamide (CTX) combined with glucocorticoids with those of patients treated with glucocorticoids alone. METHODS: All patients with primary Sjogren's syndrome with chronic TIN admitted to the Division of Nephrology, Ruijin Hospital, from January 1, 2002, to April 30, 2016, and treated with steroids alone or combined with CTX were included...
December 14, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/29241206/a-multicenter-experience-with-long-acting-somatostatin-analogues-in-patients-with-congenital-hyperinsulinism
#5
Ivo van der Steen, Mirjam E van Albada, Klaus Mohnike, Henrik Thybo Christesen, Susann Empting, Maria Salomon-Estebanez, Amalie Greve Rasmussen, Annemarie Verrijn Stuart, Annelieke A A van der Linde, Indraneel Banerjee, Annemieke M Boot
BACKGROUND/AIMS: Congenital hyperinsulinism (CHI) is a rare disease characterized by recurrent severe hypoglycemia. In the diffuse form of CHI, pharmacotherapy is the preferred choice of treatment. Long-acting somatostatin analogues have been used in children as off-label medication. However, the efficacy, outcomes, and adverse effect profiles of long-acting somatostatin analogues have not been described in multicentered studies. The aim of this retrospective study is to summarize the experience with long-acting somatostatin analogues in a large group of children with CHI...
December 14, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/29241197/renoprotective-effects-of-metformin
#6
Marc E De Broe, Farshad Kajbaf, Jean-Daniel Lalau
BACKGROUND/AIMS: It has become clear that metformin exerts pleiotropic actions beyond its glucose-lowering agent effect. In this review, we summarise the state of the art concerning the potential renoprotective effects of metformin in vitro, animal models and clinical nephrology. METHODS: A literature search was performed in PUBMED, ScienceDirect, between January 1957 and March 2017 using the following keywords: "metformin," "nephroprotection," "renoprotection," "survival," "renal failure," "chronic kidney diseases," "fibrosis," "polycystic kidney disease" and "microalbuminuria...
December 14, 2017: Nephron
https://www.readbyqxmd.com/read/29241195/nursing-intervention-on-the-compliance-of-hemodialysis-patients-with-end-stage-renal-disease-a-meta-analysis
#7
Jing Wang, Peng Yue, Jing Huang, Xiaodong Xie, Yunhua Ling, Li Jia, Yunjin Xiong, Fang Sun
BACKGROUND: Dialysis is imperative for patients with end-stage renal disease (ESRD); however, compliance ensures its efficacy. Nursing intervention has been considered to improve compliance. This meta-analysis is aimed at exploring the effects of nursing intervention on dialysis compliance. METHODS: A search was performed in the PubMed, Cochrane, and Embase databases for relevant original research articles. Studies were included or excluded based on the simultaneous consideration of quality as ranked by Jadad score and the compliance with predefined selection criteria...
December 12, 2017: Blood Purification
https://www.readbyqxmd.com/read/29241186/strengthening-gastric-cancer-therapy-by-trastuzumab-conjugated-nanoparticles-with-simultaneous-encapsulation-of-anti-mir-21-and-5-fluorouridine
#8
Nan Hu, Jun Feng Yin, Ze Ji, Yidong Hong, Puyuan Wu, Baoxiang Bian, Ziyan Song, Rutian Li, Qin Liu, Fenglei Wu
BACKGROUND/AIMS: MicroRNA-21 is an oncogenic miR (oncomiR) frequently elevated in gastric cancer (GC). Overexpression of miR-21 decreases the sensitivity of GC cells to 5-fluorouridine (5-Fu) and trastuzumab, a humanized monoclonal antibody targeting human epidermal growth factor receptor 2 (HER2). Receptor-mediated endocytosis plays a crucial role in the delivery of biotherapeutics including anti-miRNA oligonucleotides (AMOs). This study is a continuation of earlier findings involving poly(ε-caprolactone) (PCL)-poly (ethylene glycol) (PEG) nanoparticles (PEG-PCL NPs), which were coated with trastuzumab to target GC with HER2 receptor over-expression using anti-miRNA-21 (AMO-21) and 5-Fu...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29241170/rationale-for-aggressive-resection-and-general-surgical-principles-for-intracranial-gliomas
#9
Ian E McCutcheon, Mikhail F Chernov
Given the infiltrative nature of gliomas, controversy has long persisted over the value of their aggressive surgical removal. Nevertheless, in recent decades, the balance of opinion in neurosurgical oncology has shifted from a more nihilistic view that led to many patients' receiving stereotactic biopsy or very limited debulking of lesions for tissue diagnosis only, to more extensive tumor resections which relieve mass effect, lower intracranial pressure, reduce accompanying brain edema, and attenuate dependence on steroids...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29241169/imaging-of-intracranial-gliomas
#10
Yuko Ono, Mikhail F Chernov, Yoshihiro Muragaki, Takashi Maruyama, Kayoko Abe, Hiroshi Iseki
Combined use of contemporary radiological modalities, particularly integration of structural, metabolic, and functional imaging, provides optimal multifaceted information for detailed characterization of intracranial gliomas. It allows differentiation of the tumor from non-neoplastic pathology, its non-invasive histopathological typing and grading, prediction of patient prognosis and clinical course of the disease, detailed planning of surgical resection or biopsy, critical postoperative assessment of the residual lesion, effective surveillance during follow-up with evaluation of effectiveness of the adjuvant therapy and timely identification of recurrence, and even insights into molecular signatures of the neoplasms...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29241166/the-clinical-efficacy-of-radium-223-for-bone-metastasis-in-patients-with-castration-resistant-prostate-cancer-an-italian-clinical-experience
#11
Rossella De Luca, Renato Patrizio Costa, Vincenzo Tripoli, Alessandra Murabito, Giuseppe Cicero
BACKGROUND/AIM: Prostate cancer frequently causes bone metastases and skeletal events that impair quality of life (QoL) and survival. The alpha emitter radium-223 is a new drug that improves treatment in men with castration-resistant prostate cancer (CRPC) and bone metastases. Our aim was to evaluate the effectiveness of radium-223. SUBJECTS AND METHODS: In this retrospective study we enrolled 48 subjects. Pain reduction, alkaline phosphatase (ALP), time to first symptomatic skeletal event, and QoL were the variables we evaluated...
December 15, 2017: Oncology
https://www.readbyqxmd.com/read/29241141/plasma-exchange-in-severe-acute-relapses-of-multiple-sclerosis-results-from-a-portuguese-cohort
#12
Inês Correia, Joana Jesus Ribeiro, Luís Isidoro, Sónia Batista, Carla Nunes, Carmo Macário, Catarina Borges, Jorge Tomaz, Lívia Sousa
BACKGROUND: Relapses in Multiple Sclerosis (MS) are often associated with significant disability impairment which is resultant from poor response to corticosteroids. In such severe cases, plasma exchange (PLEX) may be used, although only a few studies with MS patients have been reported. Our objective was to evaluate the effectiveness of PLEX in severe relapses of MS. METHODS: Retrospective study of MS patients treated with PLEX in acute relapses. Data regarding EDSS, annualized relapse rate (ARR), treatment with corticosteroids, number of PLEX sessions, adverse events, and gadolinium enhancement in brain MRI were analysed...
December 7, 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29241119/bench-to-bedside-review-possible-role-of-vitamin-d-in-autism-spectrum-disorder
#13
REVIEW
Feiyong Jia, Ling Shan, Bing Wang, Honghua Li, Chunyue Miao, Zhida Xu, Ching-Po Lin, Khaled Saad
Autism spectrum disorder (ASD) is a group of dysfunctions in social interaction, communication, and behaviors. Studies have demonstrated that vitamin D deficiency during pregnancy and in individuals increased the risk of ASD. A genetic polymorphism study has pinpointed that genotype AA/A-allele of GC rs4588 in children is associated with ASD, which encodes the vitamin D binding protein. Translating the mentioned points into clinical practice, several clinical trials have demonstrated that vitamin D supplementation can improve the core symptoms in children with ASD...
December 6, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29241108/the-efficacy-of-posterior-hemivertebra-resection-with-lumbosacral-fixation-and-fusion-in-the-treatment-of-congenital-scoliosis-a-more-than-2-year-follow-up-study
#14
Qiunan Lyu, Bowen Hu, Chunguang Zhou, Limin Liu, Yueming Song, Xi Yang, Liang Wang, Lei Wang
OBJECTIVE: Hemivertebrae (HV) located at the lower lumbar or lumbosacral region often produce early trunk imbalance and long compensatory curves. Because of the biomechanical characteristics of the lumbosacral junction, the rate of instrumentation failures at the region has always been high. Our study aimed to evaluate the results of posterior HV resection with lumbosacral fixation and fusion in the treatment of congenital scoliosis and to make a preliminary analysis of the possible risk factors for instrument failures...
December 9, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29241084/neoadjuvant-radiotherapy-combined-with-capecitabine-and-sorafenib-in-patients-with-advanced-kras-mutated-rectal-cancer-a-phase-i-ii-trial-sakk-41-08
#15
Roger von Moos, Dieter Koeberle, Sabina Schacher, Stefanie Hayoz, Ralph C Winterhalder, Arnaud Roth, György Bodoky, Panagiotis Samaras, Martin D Berger, Daniel Rauch, Piercarlo Saletti, Ludwig Plasswilm, Daniel Zwahlen, Urs R Meier, Pu Yan, Paola Izzo, Dirk Klingbiel, Daniela Bärtschi, Kathrin Zaugg
BACKGROUND: KRAS mutation occurs in ∼40% of locally advanced rectal cancers (LARCs). The multitarget tyrosine kinase inhibitor sorafenib has radiosensitising effects and might improve outcomes for standard preoperative chemoradiotherapy in patients with KRAS-mutated LARC. METHODS: Adult patients with KRAS-mutated T3/4 and/or N1/2M0 LARC were included in this phase I/II study. The phase I dose-escalation study of capecitabine plus sorafenib and radiotherapy was followed by a phase II study assessing efficacy and safety...
December 11, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/29241062/a-paper-supported-aptasensor-based-on-upconversion-luminescence-resonance-energy-transfer-for-the-accessible-determination-of-exosomes
#16
Xiaosong Chen, Jianming Lan, Yingxin Liu, Li Li, Liu Yan, Yaokun Xia, Fang Wu, Chunyan Li, Shirong Li, Jinghua Chen
Exosomes, as potential cancer diagnostic markers have received close attention in recent years. However, there is still a lack of simple and convenient methods to detect and quantitate exosomes. Herein, we used a simple paper-supported aptasensor based on luminescence resonance energy transfer (LRET) from upconversion nanoparticles (UCNPs) to gold nanorods (Au NRs) for the accessible determination of exosomes. When exosomes are present, the two sections of the aptamer can combine with the CD63 protein on the surface of exosomes and form a conjugation to close the distance between UCNPs and Au NRs, which initiates the LRET and promotes luminescence quenching...
December 8, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29241014/an-observational-study-of-the-efficacy-of-cisatracurium-compared-to-vecuronium-in-patients-with-or-at-risk-for-ards
#17
Peter D Sottile, Tyree H Kiser, Ellen L Burnham, P Michael Ho, Richard R Allen, R William Vandivier, Marc Moss
RATIONALE: The neuromuscular blocking agent cisatracurium may improve mortality for patients with moderate-severe ARDS. Other neuromuscular blocking agents, such as vecuronium, are commonly used and have different mechanisms of action, side effects, cost, and availability in the setting of drug shortages. OBJECTIVE: To determine whether cisatracurium is associated with improved outcomes when compared vecuronium in patients at risk for and with ARDS. METHODS: Using a nationally representative database, patients admitted to the intensive care unit (ICU) with a diagnosis of ARDS or an ARDS risk factor, received mechanical ventilation, and were treated with a continuous infusion of neuromuscular blocking agent for at least two days within two days of hospital admission were included...
December 14, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29240924/effect-of-omega-3-fatty-acids-on-cognition-an-updated-systematic-review-of-randomized-clinical-trials
#18
Oscar D Rangel-Huerta, Angel Gil
Context: The increasing number of studies on the effects of n-3 long-chain polyunsaturated fatty acids (LC-PUFAs) on health, particularly cognition, in the last 5 years reflects the growing interest in this area of research. Objective: The aim for this systematic review was to evaluate the scientific evidence published in the last 5 years (2012-2017) on the effects of n-3 LC-PUFA intake on cognition, cognitive development, and cognitive decline to determine whether n-3 LC-PUFAs support cognitive development and prevent cognitive decline...
December 12, 2017: Nutrition Reviews
https://www.readbyqxmd.com/read/29240905/coronary-autoregulation-and-assessment-of-stenosis-severity-without-pharmacological-vasodilation
#19
Guus A de Waard, Christopher M Cook, Niels van Royen, Justin E Davies
For identification of myocardial ischaemia by non-invasive imaging or invasive physiological assessment, administration of a vasodilating or positive inotropic agent is often considered indispensable to exhaust the cardiac compensation mechanisms. Indeed, microcirculatory dilatation is needed for assessment of myocardial perfusion or coronary blood flow. However, three different modalities exist that quantify myocardial ischaemia without recourse to pharmacological stress agents, using either myocardial contrast echocardiography, imaging of myocardial blood volume or invasive coronary pressure measurement with the instantaneous wave-free ratio (iFR)...
December 11, 2017: European Heart Journal
https://www.readbyqxmd.com/read/29240873/preliminary-results-of-the-use-of-a-stabilized-hypochlorous-acid-solution-in-the-management-of-ralstonia-pickettii-biofilm-on-silicone-breast-implants
#20
C Tod Brindle, Steve Porter, Kiran Bijlani, Sridhar Arumugam, Rowena Matias, Ron Najafi, Jack Fisher
Background: Ralstonia Pickettii biofilms are associated with pocket infections following breast implant surgeries. Biofilm protects bacteria most topically applied antimicrobial irrigations. Objectives: To evaluate the effectiveness of four antimicrobial solutions on the planktonic form and established biofilm of Ralstonia Pickettii grown on 3 different types of silicone breast implants. Methods: Time kill assays at clinical concentrations of chlorhexidine gluconate, povidone iodine, triple-antibiotic solution, and a 0...
December 12, 2017: Aesthetic Surgery Journal
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