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Gül Yücel, Mustafa Kendirci, Ülkü Gül
STUDY OBJECTIVE: To determine the cross-sectional characteristics of menstruating girls, dysmenorrhea and the frequencies of related problems. DESIGN: Descripitive, cross-sectional study. SETTING: Randomly selected primary, junior and high schools in the city center of Kayseri. PARTICIPANTS: 2000 female adolescents of ages between 9 and 18 years. MAIN OUTCOME MEASURE: We used a questionnaire addressing the epidemiological characteristics of menstruation, such as age at menarche, duration of menstrual intervals, average days of bleeding, and any menstrual problems and their frequencies...
March 14, 2018: Journal of Pediatric and Adolescent Gynecology
Jenna L McCauley, Renata S Leite, Valeria V Gordan, Roger B Fillingim, Gregg H Gilbert, Cyril Meyerowitz, David Cochran, D Brad Rindal, Kathleen T Brady
BACKGROUND: Minimal information exists regarding the consistency and correlates of dentists' implementation of risk mitigation strategies when prescribing opioids, including risk screening, prescription drug monitoring program (PDMP) use, and patient education. METHODS: The authors conducted a Web-based, cross-sectional survey among practicing dentist members of The National Dental Practice-Based Research Network. The authors used the survey to assess pain management prescribing practices and risk mitigation implementation...
March 14, 2018: Journal of the American Dental Association
Xianxun Shi, Huiyuan Bai, Ming Zhao, Xiaorong Li, Xianchao Sun, Hongbo Jiang, Ailing Fu
Drug-induced liver injury shares a common feature of mitochondrial dysfunction. Mitochondrial therapy (mitotherapy), which replaces malfunctional mitochondria with functional exogenous mitochondria, may be a fundamental approach for treating drug-mediated hepatotoxicity. Here, we suggested that mitochondria isolated from human hepatoma cell could be used to treat acetaminophen (APAP)-induced liver injury in mice. When the mitochondria were added into the cell media, they could enter primarily cultured mouse hepatocyte...
March 2, 2018: Translational Research: the Journal of Laboratory and Clinical Medicine
Jacquelyn O Russell, Sungjin Ko, Harvinder S Saggi, Sucha Singh, Minakshi Poddar, Donghun Shin, Satdarshan P Monga
Bromodomain and extraterminal (BET) proteins recruit key components of basic transcriptional machinery to promote gene expression. Aberrant expression and mutations in BET genes have been identified in many malignancies. Small molecule inhibitors of BET proteins like JQ1 have shown efficacy in preclinical cancer models including affecting growth of hepatocellular carcinoma. BET proteins also regulate cell proliferation in nontumor settings. We recently showed that BET proteins regulate cholangiocyte-driven liver regeneration...
March 12, 2018: American Journal of Pathology
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
Yan Zhang, Zhongyuan Huang, Letao Wang, Chunming Wang, Changde Zhang, Thomas E Wiese, Guangdi Wang, Kevin Eugene Riley, Zhe Wang
This work aims to face the challenge of monitoring small molecule drugs accurately and rapidly for point-of-care (POC) diagnosis in current clinical settings. Overdose of acetaminophen (AP), a commonly used OTC analgesic drug, has been determined to be a major cause of acute liver failure in the US and the UK. However, there is no rapid and accurate detection method available for this drug in the emergency room. The present study examined an AP sensing strategy that relies on a previously unexplored strong interaction between AP and the arginine (Arg) molecule...
March 15, 2018: Analytical Chemistry
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
Katherine Plewes, Hugh W F Kingston, Aniruddha Ghose, Thanaporn Wattanakul, Md Mahtab Uddin Hassan, Md Shafiul Haider, Prodip K Dutta, Md Akhterul Islam, Shamsul Alam, Selim Md Jahangir, A S M Zahed, Md Abdus Sattar, M A Hassan Chowdhury, M Trent Herdman, Stije J Leopold, Haruhiko Ishioka, Kim A Piera, Prakaykaew Charunwatthana, Kamolrat Silamut, Tsin W Yeo, Sue J Lee, Mavuto Mukaka, Richard J Maude, Gareth D H Turner, Md Abul Faiz, Joel Tarning, John A Oates, Nicholas M Anstey, Nicholas J White, Nicholas P J Day, Md Amir Hossain, L Jackson Roberts, Arjen M Dondorp
Background: Acute kidney injury independently predicts mortality in falciparum malaria. It is not known whether acetaminophen's capacity to inhibit plasma hemoglobin-mediated oxidation is renoprotective in severe malaria. Methods: A phase 2, open-label, randomized controlled trial at two hospitals in Bangladesh was conducted to assess effects on renal function, safety, pharmacokinetic properties and pharmacodynamic effects of acetaminophen. Febrile patients ( >12 years) with severe and moderately severe falciparum malaria were randomly assigned to receive acetaminophen (1g 6-hourly for 72 hours) or no acetaminophen, as an adjunct to intravenous artesunate...
March 12, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
Jeremy Brice Bitton, Josh Jiaxing Wang, Winnie Teng, Eric Villeneuve, Sophie Gosselin
No abstract text is available yet for this article.
March 14, 2018: Clinical Toxicology
Andrew J Lutkewitte, George G Schweitzer, Stefanie Kennon-McGill, Melissa M Clemens, Laura P James, Hartmut Jaeschke, Brian N Finck, Mitchell R McGill
No abstract text is available yet for this article.
March 10, 2018: Food and Chemical Toxicology
Mark Yarema, Puja Chopra, Marco L A Sivilotti, David Johnson, Alberto Nettel-Aguirre, Benoit Bailey, Charlemaigne Victorino, Sophie Gosselin, Roy Purssell, Margaret Thompson, Daniel Spyker, Barry Rumack
The original article has been corrected. Table 4 in PDF version of this article has been corrected since the original publication of the article because the first column of numbers (under the heading "Female") in the original PDF version was typeset poorly.
March 12, 2018: Journal of Medical Toxicology: Official Journal of the American College of Medical Toxicology
Isabel Atencio, Max Beushausen, John J Kowalczyk, Andres Flores-Hidalgo, Nora Fitzgerald, Dale A Baur
PURPOSE: Currently, there is a concern at the national level of the overuse of both prescription and nonprescription opioid use. The purpose of this study was to identify whether the use of the intravenous (IV) formulation of acetaminophen (Ofirmev; Mallinckrodt Pharmaceuticals, Staines-upon-Thames, United Kingdom) is an effective tool in the reduction of postoperative pain, with a secondary goal of reduction of postoperative narcotic use. MATERIALS AND METHODS: A total of 72 patients with previously diagnosed either partial bony or complete bony impacted third molars were selected with care to avoid long-acting local anesthetics or dissociative anesthetic agents...
February 20, 2018: Journal of Oral and Maxillofacial Surgery
Lindsey Konkel
No abstract text is available yet for this article.
March 9, 2018: Environmental Health Perspectives
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
Mohammad T Jafari, Behzad Rezaei, Hajar Bahrami
Dual-template magnetic molecularly imprinted polymer nanoparticles were synthesized and used for the solid-phase extraction of acetaminophen and codeine before simultaneous determination by corona discharge ion mobility spectrometry. The magnetic molecularly imprinted polymer nanoparticles were prepared using silica-coated magnetic nanoparticles as supporters, acetaminophen and codeine as template molecules, 3-aminopropyltriethoxysilane and phenyltriethoxysilane as functional monomers, and tetraethoxysilane as a cross-linker...
2018: Analytical Sciences: the International Journal of the Japan Society for Analytical Chemistry
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
Aron H Blaesi, Nannaji Saka
At present, the most prevalent pharmaceutical dosage forms, the orally-delivered immediate-release tablets and capsules, are porous, granular solids. They disintegrate into their constituent particulates upon ingestion to release drug rapidly. The design, development, and manufacture of such granular solids, however, is inefficient due to difficulties associated with the unpredictable inter-particle interactions. Therefore, to achieve more predictable dosage form properties and processing, we have recently introduced melt-processed polymeric cellular dosage forms...
March 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
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