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https://www.readbyqxmd.com/read/28646794/dexibuprofen-prevents-neurodegeneration-and-cognitive-decline-in-appswe-ps1de9-through-multiple-signaling-pathways
#1
Miren Ettcheto, Elena Sánchez-López, Laura Pons, Oriol Busquets, Jordi Olloquequi, Carlos Beas-Zarate, Merce Pallas, Maria Luisa García, Carme Auladell, Jaume Folch, Antoni Camins
The aim of the present study is to elucidate the neuronal pathways associated to NSAIDs causing a reduction of the risk and progression of Alzheimer's disease. The research was developed administering the active enantiomer of ibuprofen, dexibuprofen (DXI), in order to reduce associated gastric toxicity. DXI was administered from three to six-month-old female APPswe/PS1dE9 mice as a model of familial Alzheimer's disease. DXI treatment reduced the activation of glial cells and the cytokine release involved in the neurodegenerative process, especially TNFα...
June 15, 2017: Redox Biology
https://www.readbyqxmd.com/read/28646180/sustained-release-from-a-metal-analgesics-entrapped-within-biocidal-silver
#2
Barak Menagen, Rami Pedahzur, David Avnir
Matrices for sustained release of drugs have been based on polymers, biomaterials and oxides. The use of the major family of metals as matrices for sustained release is, to the best of our knowledge, unknown. In this context we describe a new family of bio-composites for sustained release of drugs, namely analgesic drugs entrapped within metallic silver. Synthetic methodologies were developed for the preparation of ibuprofen@Ag, naproxen@Ag, tramadol@Ag and bupivacaine@Ag composites. Detailed kinetic analysis of the release of the drugs from within the metal, is provided, demonstrating that metals can indeed serve as reservoirs for drug release...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28645659/synthesis-in-vitro-and-in-vivo-giardicidal-activity-of-nitrothiazole-nsaid-chimeras-displaying-broad-antiprotozoal-spectrum
#3
Blanca Colín-Lozano, Ismael León-Rivera, Manuel Jesús Chan-Bacab, Benjamín Otto Ortega-Morales, Rosa Moo-Puc, Vanessa López-Guerrero, Emanuel Hernández-Núñez, Raúl Argüello-Garcia, Thomas Scior, Elizabeth Barbosa-Cabrera, Gabriel Navarrete-Vázquez
We designed and synthesized five new 5-nitrothiazole-NSAID chimeras as analogues of nitazoxanide, using a DCC-activated amidation. Compounds 1-5 were tested in vitro against a panel of five protozoa: 2 amitochondriates (Giardia intestinalis, Trichomonas vaginalis) and 3 kinetoplastids (Leishmania mexicana, Leishmania amazonensis and Trypanosoma cruzi). All chimeras showed broad spectrum and potent antiprotozoal activities, with IC50 values ranging from the low micromolar to nanomolar order. Compounds 1-5 were even more active than metronidazole and nitazoxanide, two marketed first-line drugs against giardiasis...
May 24, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28640897/impact-of-selected-non-steroidal-anti-inflammatory-pharmaceuticals-on-microbial-community-assembly-and-activity-in-sequencing-batch-reactors
#4
Cong Jiang, Jinju Geng, Haidong Hu, Haijun Ma, Xingsheng Gao, Hongqiang Ren
This study covers three widely detected non-steroidal anti-inflammatory pharmaceuticals (NSAIDs), diclofenac (DCF), ibuprofen (IBP) and naproxen (NPX), as NSAIDs pollutants. The objective is to evaluate the impact of NSAIDs at their environmental concentrations on microbial community assembly and activity. The exposure experiments were conducted under three conditions (5 μg L-1 DCF, 5 μg L-1 DCF+5 μg L-1 IBP and 5 μg L-1 DCF+5 μg L-1 IBP+ 5 μg L-1 NPX) in sequencing batch reactors (SBRs) for 130 days...
2017: PloS One
https://www.readbyqxmd.com/read/28639177/feasibility-of-focused-beam-reflectance-measurement-fbrm-for-analysis-of-pharmaceutical-suspensions-in-preclinical-development
#5
Kaushalkumar Dave, Paul E Luner, Cecile Forness, Doris Baker, Corinne Jankovsky, Shirlynn Chen
This study examined the use of focused beam reflectance measurement (FBRM) for qualitative and quantitative analysis of pharmaceutical suspensions with particular application to toxicology supply preparations for use in preclinical studies. Aqueous suspensions of ibuprofen were used as prototype formulations. Initial experiments were conducted to examine the effects of operational conditions including FBRM probe angle, probe location, and mixing (method and rate of mixing) on the FBRM analysis. Once experimental conditions were optimized, the homogeneity and sedimentation-redispersion of particles in the suspensions were assessed...
June 21, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28639109/occurrence-of-naproxen-ibuprofen-and-diclofenac-residues-in-wastewater-and-river-water-of-kwazulu-natal-province-in-south-africa
#6
Lawrence Mzukisi Madikizela, Luke Chimuka
The present paper reports a detailed study that is based on the monitoring of naproxen, ibuprofen, and diclofenac in Mbokodweni River and wastewater treatment plants (WWTPs) located around the city of Durban in KwaZulu-Natal Province of South Africa. Target compounds were extracted from water samples using a multi-template molecularly imprinted solid-phase extraction prior to separation and quantification on a high-performance liquid chromatography equipped with photo diode array detector. The analytical method yielded the detection limits of 0...
July 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28637572/investigating-cyclooxygenase-inhibition-in-a-rat-pulmonary-contusion-model-a-laboratory-study-finding-no-improvement-with-ibuprofen
#7
John P Sharpe, Nick R Khan, Arindam R Chatterjee, Jinsong Huang, Louis J Magnotti, Martin A Croce, Timothy C Fabian
Minimal advances have been made in the management of pulmonary contusions (PCs). The purpose of this study was to evaluate the impact of cyclooxygenase inhibition on outcomes following PC in a rat model. PC was induced in anesthetized adult rats. Ibuprofen was given to the treatment group (TG) and water was given to the control group (CG). Lung injury was assessed with pulse oximetry, arterial blood gases, CT, and histopathologic examination. Inflammation was measured with both serum and bronchoalveolar lavage (BAL) levels of tumor necrosis factor α and interleukin-6...
June 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28637222/risk-factors-for-the-development-of-delayed-tsh-elevation-in-neonatal-intensive-care-unit-nicu-newborns
#8
Amnon Zung, Rachel Bier Palmon, Agneta Golan, Mara Troitzky, Smadar Eventov-Friedman, Ronella Marom, Rimona Keidar, Neri Kats, Shlomo Almashanu, Orna Flidel-Rimon
Context: Delayed TSH elevation (dTSH) is defined as elevated TSH in the second neonatal screen (following normal TSH in the initial screen) in premature, low-birth-weight and sick newborns, mostly in the neonatal intensive care unit (NICU) setting. The pathogenesis of dTSH is elusive. Objective: To identify risk factors for dTSH development among newborns in the NICU. Design: setting and patients: A retrospective chart review of neonates with dTSH was conducted in eight university-affiliated NICUs...
June 20, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28632763/efficacy-of-ibuprofen-on-prevention-of-high-altitude-headache-a-systematic-review-and-meta-analysis
#9
Juan Xiong, Hui Lu, Rong Wang, Zhengping Jia
OBJECTIVE: Ibuprofen is used to prevent high altitude headache (HAH) but its efficacy remains controversial. We conducted a systematic review and meta-analysis of randomized, placebo-controlled trials (RCTs) of ibuprofen for the prevention of HAH. METHODS: Studies reporting efficacy of ibuprofen for prevention of HAH were identified by searching electronic databases (until December 2016). The primary outcome was the difference in incidence of HAH between ibuprofen and placebo groups...
2017: PloS One
https://www.readbyqxmd.com/read/28625724/the-binary-system-of-ibuprofen-nicotinamide-under-nanoscale-confinement-from-cocrystal-to-coamorphous-state
#10
Yanping Bi, Deli Xiao, Shuai Ren, Shuyan Bi, Jianzhu Wang, Fei Li
Coamorphous systems have gained success in stabilizing amorphous drugs and improving their solubility and dissolution. Here we proposed to confine a binary mixture of drug and coformer (CF) within nanopores to obtain a nano-confined coamorphous (NCA) system. For proving feasibility of this proposal, a poorly water-soluble drug (ibuprofen, IBP) and a frequently used pharmaceutical CF (nicotinamide, NIC) were loaded into nanopores of mesoporous silica microspheres (MSMs). The solid state of NCA system was characterized by differential scanning calorimetry, X-ray powder diffraction, infrared spectrum and solid state nuclear magnetic resonance...
June 15, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28624418/influence-of-dissolution-media-and-presence-of-alcohol-on-the-in-vitro-performance-of-pharmaceutical-products-containing-an-insoluble-drug
#11
Valeria Friuli, Lauretta Maggi, Giovanna Bruni, Giorgio Musitelli, Ubaldo Conte
The purpose of this investigation is to determine how the dissolution media may influence the release rate of an insoluble drug in in-vitro conditions. Some oral dosage forms containing Ibuprofen, a molecule that shows pH-dependent solubility, are tested. They are evaluated in different media to simulate the gastrointestinal transit at paddle rotation speeds of 50 and 100 rpm. Moreover, the potential effect of different ethanol concentrations on drug release is tested. The dissolution profiles of the tablets show a similar behavior in water, pH 1...
June 14, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28623834/nitrate-formation-during-ozonation-as-a-surrogate-parameter-for-abatement-of-micropollutants-and-the-n-nitrosodimethylamine-ndma-formation-potential
#12
Yang Song, Florian Breider, Jun Ma, Urs von Gunten
In this study, nitrate formation from ammonium and/or dissolved organic nitrogen (DON) was investigated as a novel surrogate parameter to evaluate the abatement of micropollutants during ozonation of synthetic waters containing natural organic matter (NOM) isolates, a natural water and secondary wastewater effluents. Nitrate formation during ozonation was compared to the changes in UV absorbance at 254 nm (UVA254) including the effect of pH. For low specific ozone doses UVA254 was abated more efficiently than nitrate was formed...
June 1, 2017: Water Research
https://www.readbyqxmd.com/read/28621287/ibuprofen-and-low-level-laser-therapy-for-pain-control-during-fixed-orthodontic-therapy-a-systematic-review-of-randomized-controlled-trials-and-meta-analysis
#13
Faezeh Eslamipour, Saeed R Motamedian, Fahimeh Bagheri
INTRODUCTION: To systematically review high-quality randomized controlled trials (RCTs) and meta-analysis on the effectiveness of use of ibuprofen and low-level laser therapy (LLLT) for pain control during fixed orthodontic appliance therapy. MATERIALS AND METHODS: A web-based systematic search of PubMed and Medline database using relevant keywords was performed in August 2016 limited to the English language studies. Based on inclusion and exclusion criteria, RCTs utilizing blind approach were selected...
June 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28619306/management-of-viral-oral-ulcers-in-children-using-chinese-herbal-medicine-a-report-of-two-cases
#14
Yi-Chiao Lee, Ting-Hao Wang, Shih-Yu Chen, Hsiang-Ling Lin, Ming-Yen Tsai
OBJECTIVE: Viral oral ulcers are common presentations in pediatric clinics. Although self-limiting, painful ulcerative lesions and inflamed mucosa can decrease oral intake and lead to dehydration. Despite the widespread use of Chinese herbal medicine (CHM) for pediatric upper respiratory disease in Taiwan, there is little evidence for its effectiveness as an antipyretic or in aiding ulcer healing for children with viral oral ulcers. We report two cases of children who presented with viral oral ulcers to illustrate the potential efficacy of CHM treatment in recovery from herpangina (HA) and herpetic gingivostomatitis (HGS)...
June 2017: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/28616088/effect-of-prophylactic-administration-of-novafen-for-periodontal-surgery-on-postoperative-pain-relief
#15
A Kashefimehr, A Babaloo, M Ghanizadeh, S H Ghasemi, H Mollazadeh
Pain is a subjective feeling and one of the defense and alerting mechanisms of the body, which is distinguished from the body senses, including touch sensation and perception of heat, cold, pressure, etc. Pain, discomfort, and edema are very common after dental procedures, especially after periodontal surgeries, usually occurring during the first 24 hours after surgery; such pains are classified as medium to severe pains. Generally, medications are used to manage patients' pain and discomfort. One of the most commonly used medications for pain control is Ibuprofen, which is one of the NSAIDs and is a simple derivative of phenylpropionic acid...
April 2017: Journal of Medicine and Life
https://www.readbyqxmd.com/read/28615304/ibuprofen-exposure-in-early-neonatal-life-does-not-affect-renal-function-in-young-adolescence
#16
Anke Raaijmakers, Zhen-Yu Zhang, Elena Levtchenko, Sinno Hp Simons, Nicholas Cauwenberghs, Lambertus P van den Heuvel, Lotte Jacobs, Jan A Staessen, Karel Allegaert
INTRODUCTION: Ibuprofen exposure results in acute transient renal dysfunction in preterm neonates, but we are unaware of data on long-term renal safety. METHODS: In a previously studied cohort of extreme low birth weight (ELBW, <1000 g) cases, the PREMATurity as predictor of children's Cardiovascular-renal Health study generated data on renal function (renal length, estimated glomerular filtration rate based on cystatin C (eGFRcysC) at the age of 11 years. This data set in 93 ELBW cases may also generate data on long-term drug safety on ibuprofen...
June 14, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/28615182/fifteen-minute-consultation-pain-relief-for-children-made-simple-a-pragmatic-approach-to-prescribing-oral-analgesia-in-the-postcodeine-era
#17
David G Mason
What are the most effective doses of simple oral analgesics such as paracetamol and ibuprofen for pain relief in children? Why can't I prescribe codeine phosphate for children anymore? Is oral morphine really a safe alternative to codeine phosphate, and if so what dose should I prescribe? These questions are frequently asked by clinicians who wish to give analgesics to children for pain relief. In this article I will address these questions and describe a pragmatic approach for pain relief using oral analgesics based on the best evidence available and my experience as a consultant paediatric anaesthetist...
June 14, 2017: Archives of Disease in Childhood. Education and Practice Edition
https://www.readbyqxmd.com/read/28614776/nonsteroidal-anti-inflammatory-drugs-induced-failure-of-lower-esophageal-and-pyloric-sphincter-and-counteraction-of-sphincters-failure-with-stable-gatric-pentadecapeptide-bpc-157-in-rats
#18
S Vitaic, M Stupnisek, D Drmic, L Bauk, A Kokot, R Klicek, A Vcev, K Luetic, S Seiwerth, P Sikiric
The sphincters failure is a part of NSAIDs-toxicity that can be accordingly counteracted. We used a safe stable gastric pentadecapeptide BPC 157 (GEPPPGKPADDAGLV, MW 1419), LD1 not achieved, since successful in inflammatory bowel disease trials, and counteracts esophagitis, sphincters failure, gastrointestinal ulcer and skin ulcer, external and internal fistulas in rats, and particularly counteracts all NSAIDs-lesions. We assessed lower esophageal sphincter and pyloric sphincter pressure (cmH2O) in rats treated with various NSAIDs regimens, at corresponding time points, known to produce stomach, small intestine lesions, hepatotoxicity and encephalopathy...
April 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28614732/influence-of-the-drug-distribution-in-electrospun-gliadin-fibers-on-drug-release-behavior
#19
Ying Xu, Jiao-Jiao Li, Deng-Guang Yu, Gareth R Williams, Jun-He Yang, Xia Wang
Drug distribution within its carrier in a solid dosage form often generates a profound influence on its release profile, particularly when the physicochemical properties of the carrier are exploited to manipulate drug release behavior. In this job, two different types of distributions of a model drug ibuprofen (IBU) within a protein gliadin in their electrospun nanofibers were intentionally created. One was homogeneous distribution in the monolithic fibers fabricated using a modified coaxial process, and the other one was heterogeneous distribution in the core/shell fibers prepared through a traditional coaxial process...
June 11, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28614694/the-flow-properties-and-presence-of-crystals-in-drug-polymer-mixtures-rheological-investigation-combined-with-light-microscopy
#20
J Aho, J Van Renterghem, L Arnfast, T De Beer, J Rantanen
The presence of solid matter in polymer melts affects the rheological properties of a drug-polymer mixture, and thus the processability of these mixtures in melt-based processes. The particle morphological changes related to dissolution and crystal growth in the mixtures of paracetamol and ibuprofen with polyethylene oxide and methacrylate copolymer (Eudragit(®) E PO) were observed by polarized microscopy simultaneously while measuring their rheological properties within temperature ranges relevant for melt processes, such as hot melt extrusion and fused deposition modeling 3D printing...
June 11, 2017: International Journal of Pharmaceutics
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