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Acetaminophen, paracetamol

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https://www.readbyqxmd.com/read/28633104/transcriptional-and-cellular-effects-of-paracetamol-in-the-oyster-crassostrea-gigas
#1
M J Bebianno, A C P Mello, M A S Serrano, F Flores-Nunes, J J Mattos, F L Zacchi, C E Piazza, M N Siebert, R S Piazza, C H A M Gomes, C M R Melo, A C D Bainy
Acetaminophen (paracetamol) (PAR) is one of the most popular non-steroidal anti-inflammatory drugs (NSAIDs) with analgesic and antipyretic properties consumed worldwide and often detected in the aquatic environment. Due to the fact that PAR induces oxidative stress in mammals, the aim of this study was to evaluate if similar effects were observed in oysters Crassostrea gigas, given their economic and ecological importance and worldwide distribution. Oysters were exposed for 1, 4 and 7 days to two different sublethal PAR concentrations (0, 1 and 100μgL(-1))...
June 17, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28621528/unsupervised-discovery-and-comparison-of-structural-families-across-multiple-samples-in-untargeted-metabolomics
#2
Justin Johan Jozias van der Hooft, Joe Wandy, Francesca Young, Sandosh Padmanabhan, Konstantinos Gerasimidis, Karl E V Burgess, Michael P Barrett, Simon Rogers
In untargeted metabolomics approaches, the inability to structurally annotate relevant features and map them to biochemical pathways is hampering the full exploitation of many metabolomics experiments. Furthermore, variable metabolic content across samples result in sparse feature matrices that are statistically hard to handle. Here, we introduce MS2LDA+ that tackles both above-mentioned problems. Previously, we presented MS2LDA, which extracts biochemically-relevant molecular substructures ('Mass2Motifs') from a collection of fragmentation spectra as sets of co-occurring molecular fragments and neutral losses, thereby recognizing building blocks of metabolomics...
June 16, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28596036/the-oriented-processes-for-extraction-and-recovery-of-paracetamol-compound-across-different-affinity-polymer-membranes-parameters-and-mechanisms
#3
E H El Atmani, A Benelyamani, H Mouadili, S Tarhouchi, S Majid, K Touaj, L Lebrun, M Hlaibi
Membrane processes represent one of the most promising technologies for separation and extraction in modern industries, because they have several advantages. Today these processes are an important research topic, including affinity polymer membranes that are highly efficient for oriented processes. Three affinity polymer membrane types containing lipophilic compounds, methyl cholate (MC) and cholic acid (CA) as extractive agents were prepared and characterized. They have been used to extract active ingredient paracetamol (acetaminophen), from concentrated solutions (0...
June 6, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28586638/efficacy-of-codeine-when-added-to-paracetamol-acetaminophen-and-ibuprofen-for-relief-of-postoperative-pain-after-surgical-removal-of-impacted-third-molars-a-double-blinded-randomized-control-trial
#4
Adrian D Best, R K De Silva, W M Thomson, Darryl C Tong, Claire M Cameron, Harsha L De Silva
PURPOSE: The use of opioids in combination with nonopioids is common practice for acute pain management after third molar surgery. One such combination is paracetamol, ibuprofen, and codeine. The authors assessed the efficacy of codeine when added to a regimen of paracetamol and ibuprofen for pain relief after third molar surgery. MATERIALS AND METHODS: This study was a randomized, double-blinded, placebo-controlled trial conducted in patients undergoing the surgical removal of at least 1 impacted mandibular third molar requiring bone removal...
May 15, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28577513/synergistic-protective-effect-of-picrorhiza-with-honey-in-acetaminophen-induced-hepatic-injury
#5
Prashant Gupta, Alok Tripathi, Tripti Agrawal, Chandradeo Narayan, B M Singh, Mohan Kumar, Arvind Kumar
Rhizome of picrorhiza along with honey prevents hepatic damage and cure the acetaminophen (paracetamol) induced hepatotoxicity by modulating the activity of hepatic enzymes. Here, we studied the in vivo effects of Picrorhiza kurroa and honey on acetaminophen induced hepatotoxicity Balb/c mice model. Hepatic histopathological observations of acetaminophen fed (day-6) group showed more congestion, hemorrhage, necrosis, distorted hepatic architecture and nuclear inclusion. Such damages were recompensed to normal by picrorhiza or honey alone or both in combinations...
August 2016: Indian Journal of Experimental Biology
https://www.readbyqxmd.com/read/28559473/paracetamol-acetaminophen-impairs-brain-masculinisation
#6
Anders Hay-Schmidt, Olivia Finkielman, Benjamin Jensen, Christine Høgsbro, Jacob Bak Holm, Kristoffer Haurum Johansen, Tina Kold Jensen, Anderson Martino Andrade, Shanna Swan, Carl-Gustaf Bornehag, Søren Brunak, Bernard Jegou, Karsten Kristiansen, David Møbjerg Kristensen
Paracetamol/acetaminophen (N-Acetyl-p-Aminophenol; APAP) is the preferred analgesic for pain relief and fever during pregnancy. It has therefore caused concern that several studies have reported that prenatal exposure to APAP results in developmental alterations in both the reproductive tract and the brain. Genitals and nervous system of male mammals are actively masculinized during foetal development and early postnatal life by the combined actions of prostaglandins and androgens, resulting in the male-typical reproductive behaviour seen in adulthood...
May 30, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28510996/tramadol-with-or-without-paracetamol-acetaminophen-for-cancer-pain
#7
REVIEW
Philip J Wiffen, Sheena Derry, R Andrew Moore
BACKGROUND: Tramadol is an opioid analgesic licensed for use in moderate to severe pain. It is considered as a low risk for abuse, so control regulations are not as stringent as for 'strong' opioids such as morphine. It has a potential role as a step 2 option of the World Health Organization (WHO) analgesic ladder. OBJECTIVES: To assess the benefits and adverse effects of tramadol with or without paracetamol (acetaminophen) for cancer-related pain. SEARCH METHODS: We searched the following databases using a wide range of search terms: the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE, Embase, and LILACS...
May 16, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28475314/exploring-chemical-routes-relevant-to-the-toxicity-of-paracetamol-and-its-meta-analogue-at-a-molecular-level
#8
Romina Castañeda-Arriaga, Annia Galano
Several chemical routes related to the toxicity of paracetamol (APAP, also known as acetaminophen), its analogue N-acetyl-m-aminophenol (AMAP), and their deacetylated derivatives, were investigated using the density functional theory. It was found that AMAP is more resilient to chemical oxidation than APAP. The chemical degradation of AMAP into radical intermediates is predicted to be significant only when it is induced by strong oxidants. This might explain the apparent contradictions among experimental evidence regarding AMAP toxicity...
May 12, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28448685/adult-neurobehavioral-alterations-in-male-and-female-mice-following-developmental-exposure-to-paracetamol-acetaminophen-characterization-of-a-critical-period
#9
Gaëtan Philippot, Torsten Gordh, Anders Fredriksson, Henrik Viberg
Paracetamol (acetaminophen) is a widely used non-prescription drug with analgesic and antipyretic properties. Among pregnant women and young children, paracetamol is one of the most frequently used drugs and is considered the first-choice treatment for pain and/or fever. Recent findings in both human and animal studies have shown associations between paracetamol intake during brain development and adverse behavioral outcomes later in life. The present study was undertaken to investigate if the induction of these effects depend on when the exposure occurs during a critical period of brain development and if male and female mice are equally affected...
April 27, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28447858/risk-prediction-of-hepatotoxicity-in-paracetamol-poisoning
#10
Anselm Wong, Andis Graudins
CONTEXT: Paracetamol (acetaminophen) poisoning is the most common cause of acute liver failure in the developed world. A paracetamol treatment nomogram has been used for over four decades to help determine whether patients will develop hepatotoxicity without acetylcysteine treatment, and thus indicates those needing treatment. Despite this, a small proportion of patients still develop hepatotoxicity. More accurate risk predictors would be useful to increase the early detection of patients with the potential to develop hepatotoxicity despite acetylcysteine treatment...
April 27, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28379590/hepatotoxicity-of-paracetamol-and-related-fatalities
#11
R Tittarelli, M Pellegrini, M G Scarpellini, E Marinelli, V Bruti, N M di Luca, F P Busardò, S Zaami
Paracetamol, also known as acetaminophen, is the most commonly used antipyretic and pain reliever and since 1955 it is available over-the-counter as a single formulation or in combination with other substances and, as indicated by the World Health Organization, it can be used in all the three steps of pain intensity. Paracetamol toxicity is one of the most common causes of poisoning worldwide. While paracetamol is described as relatively nontoxic when administered in therapeutic doses, it is known to cause toxicity when taken in a single or repeated high dose, or after chronic ingestion...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28366286/effect-of-paracetamol-acetaminophen-on-body-temperature-in-acute-stroke-a-meta-analysis
#12
Junjie Fang, Chensong Chen, Hongsen Cheng, Ren Wang, Linhao Ma
PURPOSE: The objective of this study was to assess the efficacy of paracetamol (acetaminophen) on body temperature in acute stroke. METHODS: Medline, Cochrane Central Register of Controlled Trials, EMBASE, Chinese BioMedical Literature Database, China National Knowledge Infrastructure, and the World Health Organization (WHO) International Clinical Trials Registry Platform were searched electronically. Relevant journals and references of studies included were hand-searched for randomized controlled trials (RCT) and controlled clinical trials (CCT) regarding the efficacy of paracetamol (acetaminophen) on body temperature in acute stroke...
March 18, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28359199/protective-effect-of-cymbopogon-citratus-essential-oil-in-experimental-model-of-acetaminophen-induced-liver-injury
#13
Nancy Sayuri Uchida, Saulo Euclides Silva-Filho, Rafael Pazinatto Aguiar, Luiz Alexandre Marques Wiirzler, Gabriel Fernando Esteves Cardia, Heitor Augusto Otaviano Cavalcante, Francielli Maria de Souza Silva-Comar, Tânia Cristina Alexandrino Becker, Expedito Leite Silva, Ciomar Aparecida Bersani-Amado, Roberto Kenji Nakamura Cuman
To investigate the hepatoprotective effect of Cymbopogon citratus or lemongrass essential oil (LGO), it was used in an animal model of acute liver injury induced by acetaminophen (APAP). Swiss mice were pretreated with LGO (125, 250 and 500[Formula: see text]mg/kg) and SLM (standard drug, 200[Formula: see text]mg/kg) for a duration of seven days, followed by the induction of hepatotoxicity of APAP (single dose, 250[Formula: see text]mg/kg). The liver function markers alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP) and gamma-glutamyl transferase were determined to evaluate the hepatoprotective effects of the LGO...
March 30, 2017: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/28345743/opioids-and-nonopioids-for-postoperative-pain-control-in-patients-with-chronic-kidney-disease
#14
Michele Binhas, Julia Egbeola-Martial, Michael D Kluger, Francoise Roudot-Thoraval, Philippe Grimbert
OBJECTIVES: To evaluate postoperative pain management (POPM) practices by anesthesiologists caring for patients with chronic kidney disease (CKD). DESIGN: Prospective one-time survey endorsed by the French Society of Anesthesia and Intensive Care (SFAR). SETTING: A self-administered online questionnaire was distributed to members of SFAR nationally. PARTICIPANTS: Three hundred seven SFAR members participated in the study...
January 2017: Journal of Opioid Management
https://www.readbyqxmd.com/read/28339378/stability-of-allopurinol-amitriptyline-hydrochloride-carbamazepine-domperidone-isoniazid-ketoconazole-lisinopril-naproxen-paracetamol-acetaminophen-and-sertraline-hydrochloride-in-syrspend-sf-ph4-oral-suspensions
#15
Hudson C Polonini, Sharlene Loures, Edson Peter de Araujo, Marcos Antônio F Brandão, Anderson O Ferreira
Oral liquids are safe alternatives to solid dosage forms, notably for elderly and pediatric patients that present dysphagia. The use of ready-to-use suspending vehicles such as SyrSpend SF PH4 is a suitable resource for pharmacists as they constitute a safe and timesaving option that has been studied often. The objective of this study was to evaluate the stability of 10 commonly used active pharmaceutical ingredients (allopurinol 20 mg/mL; amitriptyline hydrochloride 10 mg/mL; carbamazepine 25 mg/mL; domperidone 5 mg/mL; isoniazid 10 mg/mL; ketoconazole 20 mg/mL; lisinopril 1 mg/mL; naproxen 25 mg/mL; paracetamol [acetaminophen] 50 mg/mL; and sertraline hydrochloride 10 mg/mL) compounded in oral suspensions using SyrSpend SF PH4 as the vehicle throughout the study period and stored both at controlled refrigerated (2°C to 8°C) and room temperature (20°C to 25°C)...
September 2016: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28333256/analgesia-use-during-pregnancy-and-risk-of-cryptorchidism-a-systematic-review-and-meta-analysis
#16
Jason Gurney, Lorenzo Richiardi, Katherine A McGlynn, Virginia Signal, Diana Sarfati
STUDY QUESTION: Are boys who are born to mothers who use analgesics during pregnancy at increased risk of cryptorchidism compared to those born to mothers who do not take analgesia? SUMMARY ANSWER: In this systematic review and meta-analysis of 10 published studies, we observed only weak evidence of an association between analgesia use during pregnancy and risk of cryptorchidism in the son. WHAT IS KNOWN ALREADY: Concentrations of analgesia relevant to human exposure have been implicated as causing endocrine disturbances in the developing foetal testis...
May 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28299349/gabapentin-inhibits-protein-kinase-c-epsilon-translocation-in-cultured-sensory-neurons-with-additive-effects-when-coapplied-with-paracetamol-acetaminophen
#17
Vittorio Vellani, Chiara Giacomoni
Gabapentin is a well-established anticonvulsant drug which is also effective for the treatment of neuropathic pain. Although the exact mechanism leading to relief of allodynia and hyperalgesia caused by neuropathy is not known, the blocking effect of gabapentin on voltage-dependent calcium channels has been proposed to be involved. In order to further evaluate its analgesic mechanisms, we tested the efficacy of gabapentin on protein kinase C epsilon (PKCε) translocation in cultured peripheral neurons isolated from rat dorsal root ganglia (DRGs)...
2017: TheScientificWorldJournal
https://www.readbyqxmd.com/read/28289240/pais-2-paracetamol-acetaminophen-in-stroke-2-results-of-a-randomized-double-blind-placebo-controlled-clinical-trial
#18
RANDOMIZED CONTROLLED TRIAL
Inger R de Ridder, Heleen M den Hertog, H Maarten A van Gemert, A H C M L Tobien Schreuder, Annemieke Ruitenberg, E Lisette Maasland, Ritu Saxena, Jordie H van Tuijl, Ben P W Jansen, Renske M Van den Berg-Vos, Frederique Vermeij, Peter J Koudstaal, L Jaap Kappelle, Ale Algra, H Bart van der Worp, Diederik W J Dippel
BACKGROUND AND PURPOSE: Subfebrile body temperature and fever in the first days after stroke are strongly associated with unfavorable outcome. A subgroup analysis of a previous trial suggested that early treatment with paracetamol may improve functional outcome in patients with acute stroke and a body temperature of ≥36.5°C. In the present trial, we aimed to confirm this finding. METHODS: PAIS 2 (Paracetamol [Acetaminophen] in Stroke 2) was a multicenter, randomized, double-blind, placebo-controlled clinical trial...
April 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28286920/blockade-of-notch-signaling-promotes-acetaminophen-induced-liver-injury
#19
Longfeng Jiang, Michael Ke, Shi Yue, Wen Xiao, Youde Yan, Xiaozhao Deng, Qi-Long Ying, Jun Li, Bibo Ke
Liver injury after experimental acetaminophen treatment is mediated both by direct hepatocyte injury through a P450-generated toxic metabolite and indirectly by activated liver Kupffer cells and neutrophils. This study was designed to investigate the role of Notch signaling in the regulation of innate immune responses in acetaminophen (APAP)-induced liver injury. Using a mouse model of APAP-induced liver injury, wild-type (WT) and toll-like receptor 4 knockout (TLR4 KO) mice were injected intraperitoneally with APAP or PBS...
June 2017: Immunologic Research
https://www.readbyqxmd.com/read/28246450/protective-effect-of-rutin-in-comparison-to-silymarin-against-induced-hepatotoxicity-in-rats
#20
M Kasi Reddy, A Gopala Reddy, B Kala Kumar, D Madhuri, G Boobalan, M Anudeep Reddy
AIM: The aim of this study is to evaluate the hepatoprotective effect of rutin (RTN) in comparison to silymarin (SLM) against acetaminophen (APAP)-induced hepatotoxicity in rats. MATERIALS AND METHODS: Male Wistar albino rats (n=24) of 3 months age were equally divided into four groups. Group 1 served as normal control. Hepatotoxicity was induced in the remaining three groups with administration of 500 mg/kg po APAP from day 1-3. Groups 2, 3, and 4 were subsequently administered orally with distilled water, 25 mg/kg of SLM, and 20 mg/kg of RTN, respectively, for 11 days...
January 2017: Veterinary World
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