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acetaminophen dose

Minako Nagatome, Yuki Kondo, Daisuke Kadowaki, Yusuke Saishyo, Mitsuru Irikura, Tetsumi Irie, Yoichi Ishitsuka
Acetaminophen, a common analgesic/antipyretic, is a frequent cause of acute liver failure in Western countries. The development of an effective cure against acetaminophen hepatotoxicity is crucial. Ethyl pyruvate, an ethyl ester derivative of pyruvic acid, has been identified as a possible candidate against acetaminophen hepatotoxicity in animal experiments. However, the mode of the hepatoprotective action of ethyl pyruvate remains unclear. We examined the hepatoprotective effect of ethyl pyruvate against hepatocyte injury and oxidative stress in a mouse model of acetaminophen hepatotoxicity...
February 2018: Heliyon
Carole Mast, Dominique Dardevet, Isabelle Papet
The optimisation of nutritional support for the growing number of older individuals does not usually take into account medication. Paracetamol (acetaminophen; APAP) is the first intention treatment of chronic pain that is highly prevalent and persistent in the elderly. Detoxification of APAP occurs in the liver and utilises sulfate and glutathione (GSH), both of which are issued from cysteine (Cys), a conditionally indispensable amino acid. The detoxification-induced siphoning of Cys could reduce the availability of Cys for skeletal muscle...
March 20, 2018: Nutrition Research Reviews
K Niki, Y Okamoto, S Nakajima, E Uejima
There have been no investigations examining the analgesic effect of rescue administration of intravenous acetaminophen (IV APAP) for pain in cancer patients. Fifty cancer patients who received IV APAP for pain at Ashiya Municipal Hospital (Hyogo, Japan) between January 2014 and July 2016 were retrospectively evaluated. The degree of pain was evaluated using a 4-point verbal rating scale. Pain intensity differences ≥ 1 defined the IV APAP effective group, and the patient' characteristics were compared by a medical chart review...
March 5, 2018: Die Pharmazie
Nora Freyer, Selina Greuel, Fanny Knöspel, Florian Gerstmann, Lisa Storch, Georg Damm, Daniel Seehofer, Jennifer Foster Harris, Rashi Iyer, Frank Schubert, Katrin Zeilinger
The accurate prediction of hepatotoxicity demands validated human in vitro models that can close the gap between preclinical animal studies and clinical trials. In this study we investigated the response of primary human liver cells to toxic drug exposure in a perfused microscale 3D liver bioreactor. The cellularized bioreactors were treated with 5, 10, or 30 mM acetaminophen (APAP) used as a reference substance. Lactate production significantly decreased upon treatment with 30 mM APAP ( p < 0.05) and ammonia release significantly increased in bioreactors treated with 10 or 30 mM APAP ( p < 0...
March 15, 2018: Bioengineering
Prachi Borude, Bharat Bhushan, Udayan Apte
Acetaminophen (APAP) overdose is the leading cause of Acute Liver Failure (ALF) with limited treatment options. It is known that liver regeneration following APAP induced ALF is a deciding factor in the final outcome. Previous studies from our laboratory using incremental dose model involving a regenerating (300 mg/kg, APAP300) and a non-regenerating (600 mg/kg, APAP600) dose of APAP in mice have revealed several pro- regenerative pathways that regulate regeneration after APAP overdose. Here we report that DNA damage and repair mechanisms regulate initiation liver regeneration following APAP overdose...
March 14, 2018: Gene Expression
Jonas W Wastesson, Jaana E Martikainen, Helga Zoëga, Morten Schmidt, Øystein Karlstad, Anton Pottegård
Paracetamol (acetaminophen) is one of the most commonly used analgesics in Europe; however, both the safety and efficacy of paracetamol have recently been questioned. Little is known about cross-national differences in the sales of paracetamol. Using national wholesale statistics and nationwide prescription drug registers, we investigated trends in total and prescribed use of paracetamol in the Nordic countries. The total sales of paracetamol (Anatomical Therapeutic Chemical (ATC) classification system code: N02BE01) measured as defined daily doses (DDD) per 1000 inhabitants/day, and the sales by prescription (users per 1000 inhabitants per year), increased in the Nordic countries from 2000 to 2015...
March 12, 2018: Basic & Clinical Pharmacology & Toxicology
Shenhai Gong, Tian Lan, Liyan Zeng, Haihua Luo, Xiaoyu Yang, Na Li, Xiaojiao Chen, Zhanguo Liu, Rui Li, Sanda Win, Shuwen Liu, Hongwei Zhou, Bernd Schnabl, Yong Jiang, Neil Kaplowitz, Peng Chen
BACKGROUND & AIMS: Acetaminophen (APAP) induced hepatotoxicity is a leading cause of acute liver failure worldwide. It is well established that the liver damage induced by acetaminophen exhibits diurnal variation. However, the detailed mechanism for the hepatotoxic variation is not clear. Here we aimed to determine the relative contributions of gut microbiota in modulating the diurnal variation of hepatotoxicity induced by APAP. METHODS: Male Balb/C mice were treated with or without antibiotics and orally administrated a single dose of APAP (300 mg/kg) at ZT0 (when the light is on-start of resting period) and ZT12 (when the light is off-start of active period)...
March 7, 2018: Journal of Hepatology
Skip R Hickman, Kathleen M Mathieson, Lynne M Bradford, Casey D Garman, Richard W Gregg, Douglas W Lukens
PURPOSE: Results of a study comparing pain control outcomes with preoperative oral versus intraoperative i.v. acetaminophen use in adults undergoing total hip or knee arthroplasty are reported. METHODS: A single-center, randomized, placebo-controlled, equivalence trial was conducted. Patients were assigned (1:1) to receive 2 500-mg capsules of acetaminophen before surgery, with an i.v. placebo infusion during surgery (the oral group), or 2 oral placebo capsules followed by an i...
March 15, 2018: American Journal of Health-system Pharmacy: AJHP
Eric P Brass, Kate M Reynolds, Randy I Burnham, Jody L Green
OBJECTIVE: The impact of the 2011 changes in pediatric single ingredient liquid acetaminophen product packaging and standardization of the acetaminophen concentration (160 mg/5 mL) on poison center exposures due to medication errors was assessed. METHODS: National Poison Data System (NPDS) data from January 1, 2007 through December 31, 2016 were used to identify medication error exposures involving single ingredient liquid acetaminophen in children less than 12 years of age...
March 6, 2018: Academic Pediatrics
Saul Shiffman, Deena R Battista, Judith P Kelly, Mary K Malone, Rachel B Weinstein, David W Kaufman
AIMS: To estimate prevalence of excess intake of acetaminophen, and investigate seasonal variations therein. METHODS: Between 2011 and 2016, 14,481 US adults who used acetaminophen in the preceding 30 days were sampled from national online panels and completed a detailed online daily diary of acetaminophen medication use for 7 days. Respondents were not told the study concerned acetaminophen. Cold/flu season (CFS), identified using Google© Trends data, was contrasted to off-season in symptoms, use of acetaminophen medications, and consumption exceeding 4 grams (the recommended daily maximum)...
March 7, 2018: British Journal of Clinical Pharmacology
Byung-Woo Lee, Byung-Suk Jeon, Byung-Il Yoon
Thioredoxin-1 (Trx-1) is a potent therapeutic agent against a variety of diseases because of its actions as an antioxidant and regulator of apoptosis. N-acetyl-p-aminophenol (APAP), commonly known as acetaminophen, generates excessive oxidative stress and triggers hepatocyte cell death, exemplified by regulated necrosis. In the present study, we investigated whether APAP-induced liver injury in a mouse model is associated with "necroptosis," and if pretreatment with recombinant Trx-1 prevents the hepatic injury caused by APAP overdose...
March 7, 2018: Journal of Applied Toxicology: JAT
Nathan R Blue, Cristina Murray-Krezan, Shana Drake-Lavelle, Daniel Weinberg, Bradley D Holbrook, Vivek R Katukuri, Lawrence Leeman, Ellen L Mozurkewich
BACKGROUND: Non-steroidal anti-inflammatory drug use has been shown to increase blood pressure in non-pregnant adults. Because of this, the American College of Obstetricians and Gynecologists suggests avoiding their use in women with postpartum hypertension; however, evidence to support this recommendation is lacking. OBJECTIVES: Our goal was to test the hypothesis that non-steroidal anti-inflammatory drugs, such as ibuprofen, adversely affect postpartum blood pressure control in women with preeclampsia with severe features...
March 2, 2018: American Journal of Obstetrics and Gynecology
Chadi Y Saad, Joshua Fogel, Sofia Rubinstein
OBJECTIVES: Errors in drug dosing lead to poor patient outcomes and are common in patients with chronic kidney disease (CKD). Because the majority of patients with CKD are being treated by physicians specializing in internal medicine, we studied the awareness and knowledge that internal medicine resident trainees (IMRTs) have regarding the correct dosage of commonly used analgesic and neuropsychotropic medications for patients with CKD. METHODS: We surveyed 353 IMRTs about their awareness of whether a medication needs dose adjustment in patients with CKD and knowledge for medication adjustment by level of glomerular filtration rate...
March 2018: Southern Medical Journal
F M Coppla, M Rezende, E de Paula, P V Farago, A D Loguercio, S Kossatz, A Reis
Bleaching-induced tooth sensitivity (TS) is highly prevalent. OBJECTIVE: This study aimed to determine if the combination of opioids and nonopioids analgesics (Tylex) may provide a better analgesic effect. METHOD: A triple-blind, parallel, randomized two-center clinical trial was conducted with 105 healthy patients who received either a placebo or a combination of acetaminophen/codeine. The first dose of Tylex 30 mg (acetaminophen 500 mg/codeine 30 mg) or placebo was administered one hour before the in-office bleaching (35% hydrogen peroxide), and extra doses were administered every six hours for 48 hours...
March 2018: Operative Dentistry
Maryam Hatami, Mahdieh Mirjalili, Vida Ayatollahi, Sedighe Vaziribozorg, Vahid Zand
INTRODUCTION: The authors investigated the effect of honey on post-tonsillectomy pain and compare its efficacy with tramadol. METHODS: This clinical trial was performed on 60 patients with American Society of Anesthesia I and II aged between 18 and 55 years and underwent tonsillectomy. Induction of anesthesia was carried out using 2 mg/kg propofol and 0.5 atracurium following 1.5 μg/kg fentanyl administration. Group B was given tramadol at dose of 2 mg/kg and with volume of 4 mL and Group A was given normal saline with the same volume 2 mL of medications were injected using needle (25) into tonsil bed and anterior old of each tonsil by an anesthesiologist...
March 1, 2018: Journal of Craniofacial Surgery
Jessica R Salas, Bao Ying Chen, Alicia Wong, Sergio Duarte, Stephanie A K Angarita, Gerald S Lipshutz, Owen N Witte, Peter M Clark
Drug-induced liver failure is a significant indication for a liver transplant, and unexpected liver toxicity is a major reason that otherwise effective therapies are removed from the market. Various methods exist for monitoring liver injury but are often inadequate to predict liver failure. New diagnostic tools are needed. Methods: We evaluate in a preclinical model whether18 F-2-deoxy-2-fluoroarabinose (18 F-DFA), a PET radiotracer that measures the ribose salvage pathway, can be used to monitor acetaminophen-induced liver injury and failure...
March 1, 2018: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
Ellen M Raney, Harold J P van Bosse, Kevin G Shea, Joshua M Abzug, Richard M Schwend
INTRODUCTION: The opioid epidemic in the United States has reached crisis proportions. Urgent response is needed. Hydrocodone in combination with acetaminophen is the most prescribed drug in the United States. The most common source of opioids available for misuse is the unused portions of postoperative prescriptions. Among high school seniors, 80% of those who reported nonmedical use of prescription opioids previously had legitimate prescriptions but recreationally used leftover doses...
February 27, 2018: Journal of Pediatric Orthopedics
Alexander M Ponizovsky, Eli Marom, Abraham Weizman, Eyal Schwartzberg
PURPOSE: The purpose of the study is to assess opioid (morphine, methadone, oxycodone, pethidine, and fentanyl) consumption in Israel during 2009 to 2016 and identify recent trends. METHODS: Data for all treatment settings, private and public, for the years 2009 to 2016, were extracted from the Israel Ministry of Health's Pharmaceutical Administration database. The data were used to calculate defined daily doses (DDD) per 1000 inhabitants per day, of the various drugs...
February 28, 2018: Pharmacoepidemiology and Drug Safety
Aysu Hayriye Tezcan, Omur Ozturk, Sefer Ustebay, Yasemen Adali, Hatice Yagmurdur
BACKGROUND: The aim of the present study was to determine the therapeutic effects of medical ozone therapy on acute acetaminophen (APAP)-induced hepatotoxicity which were not clearly demonstrated in prior studies. METHOD: Twenty-four mice were randomly assigned into three equal groups: Group 1 (control), Group 2 (APAP) and Group 3 (APAP +ozone). Hepatotoxicity was induced by APAP given as a single dose of 300 mg/kg intraperitoneally in Groups 2 and 3. Additionally, Group 3 received 20 mcg/0...
November 13, 2017: Pharmacological Reports: PR
Allana Munro, Ana Sjaus, Ronald B George
PURPOSE OF REVIEW: High-quality analgesia has been linked to improved patient satisfaction as well as improved short-term and long-term postoperative outcomes. Acute surgical pain is a modifiable risk factor for development of chronic postoperative pain, which is reported by up to 26% of gynecologic surgical patients. In other surgical populations, multimodal analgesia has shown improved pain control and decreased reliance on opioids. This review examines recent evidence for various analgesic modalities applied specifically to the gynecologic surgical population...
February 22, 2018: Current Opinion in Anaesthesiology
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