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https://www.readbyqxmd.com/read/28107750/effect-of-clinically-approved-hdac-inhibitors-on-plasmodium-leishmania-and-schistosoma-parasite-growth
#1
Ming Jang Chua, Megan S J Arnold, Weijun Xu, Julien Lancelot, Suzanne Lamotte, Gerald F Späth, Eric Prina, Raymond J Pierce, David P Fairlie, Tina S Skinner-Adams, Katherine T Andrews
Malaria, schistosomiasis and leishmaniases are among the most prevalent tropical parasitic diseases and each requires new innovative treatments. Targeting essential parasite pathways, such as those that regulate gene expression and cell cycle progression, is a key strategy for discovering new drug leads. In this study, four clinically approved anti-cancer drugs (Vorinostat, Belinostat, Panobinostat and Romidepsin) that target histone/lysine deacetylase enzymes were examined for in vitro activity against Plasmodium knowlesi, Schistosoma mansoni, Leishmania amazonensis and L...
December 23, 2016: International Journal for Parasitology, Drugs and Drug Resistance
https://www.readbyqxmd.com/read/28107700/comparative-pharmacokinetics-of-eight-major-bioactive-components-in-normal-and-bacterial-diarrhea-mini-pigs-after-oral-administration-of-gegen-qinlian-decoction
#2
Xiao Ling, Yuqiang Xiang, Qingfa Tang, Feilong Chen, Xiaomei Tan
Healthy animals are most widely used in current pharmacokinetic(PK) studies. However, neglecting the effects of specific diseases on drug absorption results in the PK parameters of those experiments not accurately reflecting in vivo drug concentration changes during treatment. In this study, an E. coli infective diarrheal minipig model was applied to explore the pharmacokinetics of Gegen Qinlian decoction (GQD). A simple and rapid ultrahigh performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method was developed to determine the concentrations of the eight GQD components in minipig plasma after intragastric administration of GQD...
January 11, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28107670/pharmaceutical-opioid-use-among-oral-and-intravenous-users-in-australia-a-qualitative-comparative-study
#3
George Dertadian, Jenny Iversen, Thomas C Dixon, Katrina Sotiropoulos, Lisa Maher
BACKGROUND: Between 1992 and 2012 dispensing episodes for pharmaceutical opioids (PO) in Australia increased from 500000 to 7500000. In the US, increases in the prescription of PO have been linked to increases in opioid-related morbidity and mortality and transitions to heroin injection. However, Australian data indicate that morbidity and mortality related to PO are relatively low, particularly when compared to heroin and other drugs. This paper explores the characteristics and patterns of non-medical pharmaceutical opioid (NMPO) use among a sample of young people in Sydney, Australia...
January 17, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28107585/treatment-and-primary-prevention-in-people-who-inject-drugs-for-chronic-hepatitis-c-infection-is-elimination-possible-in-a-high-prevalence-setting
#4
I Gountas, V Sypsa, O Anagnostou, N K Martin, P Vickerman, E Kafetzopoulos, A Hatzakis
AIMS: To project the impact of scaling up oral antiviral therapy and harm reduction on chronic hepatitis C (CHC) prevalence and incidence among people who inject drugs (PWID) in Greece, to estimate the relationship between required treatment levels and expansion of harm reduction programs to achieve specific targets and to examine whether hepatitis C viruse (HCV) elimination among PWID is possible in this high prevalence setting. DESIGN: A dynamic discrete time, stochastic individual-based model was developed to simulate HCV transmission among PWID incorporating the effect of HCV treatment and harm reduction strategies, and allowing for reinfection following treatment...
January 20, 2017: Addiction
https://www.readbyqxmd.com/read/28106665/effects-of-multielectrode-renal-denervation-on-elevated-sympathetic-nerve-activity-and-insulin-resistance-in-metabolic-syndrome
#5
Costas Tsioufis, Kyriakos Dimitriadis, Alexandros Kasiakogias, Theodore Kalos, Ioannis Liatakis, Evagelia Koutra, Levki Nikolopoulou, Athanasios Kordalis, Rita Omega Ella, Elizabeth Oi-Yan Lau, Guido Grassi, Vasilios Papademetriou, Dimitrios Tousoulis
OBJECTIVE: This study aimed to investigate the effects of renal denervation (RDN) on sympathetic nerve activity and insulin resistance in patients with metabolic syndrome. METHODS: Seventeen patients fulfilled at least four of five criteria for metabolic syndrome and under stable use of at least two antihypertensive drugs were randomized in 3 : 1 ratio to RDN (n = 13, 12 men, age: 58 ± 7 years) and control groups (n = 4, three men, age: 60 ± 5 years) and followed up for 3 months...
January 18, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28106485/management-strategies-for-atrial-fibrillation
#6
Peysh A Patel, Noman Ali, Andrew Hogarth, Muzahir H Tayebjee
Atrial fibrillation is the most prevalent cardiac arrhythmia, affecting 10% of those aged over 80 years. Despite multiple treatment options, it remains an independent prognostic marker of mortality due to its association with clinical sequelae, particularly cerebrovascular events. Management can be broadly divided into treatment of the arrhythmia, via rhythm or rate control, and stroke thromboprophylaxis via anticoagulation. Traditional options for pharmacotherapy include negatively chronotropic drugs such as β-blockers, and/or arrhythmia-modifying drugs such as amiodarone...
January 2017: Journal of the Royal Society of Medicine
https://www.readbyqxmd.com/read/28106291/ocular-effects-of-sulfur-mustard-and-therapeutic-approaches-a-review
#7
Yunes Panahi, Seyyed Mahdi Rajaee, Amirhossein Sahebkar
Sulfur mustard (SM) is a strong blistering, highly reactive, lipophilic chemical war agent that causes injury in different organs including the skin, eyes and respiratory tract. The Eyes are especially susceptible to the consequences of SM poisoning because of the aqueous and mucosal nature of conjunctiva and cornea. DNA alkylation and depletion of glutathione, are the most important mechanisms of SM action in the eye injuries. Acute clinical symptoms are including decrease in visual acuity, dryness, photophobia, blepharospasm, conjunctivitis and complaints of foreign body sensation and soreness that gradually progress to severe ocular pain...
January 20, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28106275/initial-study-of-transdermal-oxybutynin-for-treating-hyperhidrosis
#8
José Francisco Millán-Cayetano, Javier Del Boz, Tomas Toledo-Pastrana, Miriam Nieto-Guindo, Pablo García-Montero, Magdalena de Troya-Martín
Oral oxybutynin for treating hyperhidrosis is effective and safe. Its side-effects are mild but frequent so we consider whether transdermal oxybutynin (considered to have a better side-effect profile) could be an alternative for treating hyperhidrosis. During 2015, a prospective study was conducted. Epidemiological variables, effectiveness (using the Hyperhidrosis Disease Severity Scale) and tolerance to transdermal oxybutynin were compiled concerning two different groups (patients previously treated or untreated with oral oxybutynin), at baseline, and at 3 and 12 months...
January 20, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28105857/feasibility-of-obtaining-in-situ-nanocapsules-through-modified-self-microemulsifying-drug-delivery-systems-a-new-manufacturing-approach-for-oral-route-administration
#9
Viridiana Gisela Llera-Rojas, L Alicia Del Real, Néstor Mendoza-Muñoz, Luz María Melgoza-Contreras, David Quintanar-Guerrero
Nanocapsules (NCs) are submicron-sized core shell systems which present important advantages such as improvement of drug efficacy and bioavailability, prevention of drug degradation, and provision of controlled-release delivery. The available methods for NC production require expensive recovery and purification steps which compromised the morphology of nanocapsules. Industrial applications of NCs have been avoided due to the aforementioned issues. In this study, we developed a new method based on a modified self automicroemulsifying drug delivery system (SMEDDS) for in situ NCs production within the gastrointestinal tract...
January 20, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28105790/a-qualitative-study-of-patients-knowledge-and-views-of-about-oral-health-and-acceptability-of-related-intervention-in-an-australian-inpatient-alcohol-and-drug-treatment-facility
#10
Alison Li Sun Cheah, Ram Pandey, Mark Daglish, Pauline J Ford, Sue Patterson
Social factors, health behaviours and the direct effects of substances contribute to the poor oral health and restricted access to dental services experienced by people who are dependent on drugs and/or alcohol. Admission for inpatient withdrawal management provides an opportunity for intervention to promote oral health but to be effective it must be acceptable to patients. To support intervention design, we examined patients' views about oral health, practices and treatment access, and appropriateness of health-promoting intervention in this context...
January 20, 2017: Health & Social Care in the Community
https://www.readbyqxmd.com/read/28105735/observational-registry-of-basal-insulin-treatment-orbit-in-patients-with-type-2-diabetes-uncontrolled-with-oral-antihyperglycaemic-drugs-real-life-use-of-basal-insulin-in-china
#11
Linong Ji, Puhong Zhang, Dongshan Zhu, Xian Li, Jiachao Ji, Juming Lu, Xiaohui Guo, Weiping Jia, Jianping Weng, Yangfeng Wu, Wenying Yang, Dajin Zou, Zhiguang Zhou, Changyu Pan, Yan Gao, Satish K Garg
AIMS: To examine treatment patterns following basal insulin (BI) introduction in type 2 diabetes mellitus (T2DM) patients under real-world conditions across China. MATERIALS AND METHODS: Overall, 18,995 patients inadequately controlled [HbA1c ≥ 53 mmol/mol (7%)] with oral antihyperglycaemic drugs (OADs) and willing to receive BI treatment were registered at 209 hospitals and followed at baseline (visit 1), 3 months (visit 2), and 6 months (visit 3). Type of BI was initiated at physicians' discretion...
January 20, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28105725/antifungal-peptides-a-potential-new-class-of-antifungals-for-treating-vulvovaginal-candidiasis-caused-by-fluconazole-resistant-candida-albicans
#12
Siew Mei Samantha Ng, Yi Yong Alvin Yap, Jin Wei Darryl Cheong, Fui Mee Ng, Qiu Ying Lau, Timothy Barkham, Jeanette Woon Pei Teo, Jeffrey Hill, Cheng San Brian Chia
Vulvovaginal candidiasis/candidosis is a common fungal infection afflicting approximately 75% of women globally caused primarily by the yeast Candida albicans. Fluconazole is widely regarded as the antifungal drug of choice since its introduction in 1990 due to its high oral bioavailability, convenient dosing regimen and favourable safety profile. However, its widespread use has led to the emergence of fluconazole-resistant C. albicans, posing a universal clinical concern. Coupled to the dearth of new antifungal drugs entering the market, it is imperative to introduce new drug classes to counter this threat...
January 19, 2017: Journal of Peptide Science: An Official Publication of the European Peptide Society
https://www.readbyqxmd.com/read/28105602/ibrutinib-a-review-in-chronic-lymphocytic-leukaemia
#13
Emma D Deeks
Ibrutinib (Imbruvica(®)) is an oral irreversible inhibitor of Bruton's tyrosine kinase, a B-cell receptor (BCR) signalling kinase expressed by various haematopoietic cells, B-cell lymphomas and leukaemias. The drug is indicated for the treatment of certain haematological malignancies, including chronic lymphocytic leukaemia (CLL)/small lymphocytic lymphoma (SLL), which are the focus of this review. In phase III CLL/SLL trials, ibrutinib monotherapy was more effective than chlorambucil in the first-line treatment of elderly patients (RESONATE-2) and more effective than ofatumumab in previously-treated adults (RESONATE)...
January 20, 2017: Drugs
https://www.readbyqxmd.com/read/28105279/nanoconjugated-nap-as-a-potent-and-periphery-selective-mu-opioid-receptor-modulator-to-treat-opioid-induced-constipation
#14
Guoyan G Xu, Olga Yu Zolotarskaya, Dwight A Williams, Yunyun Yuan, Dana E Selley, William L Dewey, Hamid I Akbarali, Hu Yang, Yan Zhang
Opioids are the mainstay for cancer and noncancer pain management. However, their use is often associated with multiple adverse effects. Among them, the most common and persistent one is probably opioid-induced constipation (OIC). Periphery selective opioid antagonists may alleviate the symptoms of OIC without compromising the analgesic effects of opioids. Recently our laboratories have identified one novel lead compound, 17-cyclopropylmethyl-3,14β-dihydroxy-4,5α-epoxy-6β-[(4'-pyridyl)acetamido]morphinan (NAP), as a peripherally selective mu opioid receptor ligand carrying subnanomolar affinity to the mu opioid receptor and over 100-folds of selectivity over both the delta and kappa opioid receptors, with reasonable oral availability and half-life, and potential to treat OIC...
January 12, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28105171/collagen-gel-droplet-embedded-culture-drug-sensitivity-testing-in-squamous-cell-carcinoma-cell-lines-derived-from-human-oral-cancers-optimal-contact-concentrations-of-cisplatin-and-fluorouracil
#15
Kaname Sakuma, Akira Tanaka, Izumi Mataga
The collagen gel droplet-embedded culture drug sensitivity test (CD-DST) is an anticancer drug sensitivity test that uses a method of three-dimensional culture of extremely small samples, and it is suited to primary cultures of human cancer cells. It is a useful method for oral squamous cell carcinoma (OSCC), in which the cancer tissues available for testing are limited. However, since the optimal contact concentrations of anticancer drugs have yet to be established in OSCC, CD-DST for detecting drug sensitivities of OSCC is currently performed by applying the optimal contact concentrations for stomach cancer...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28104414/dissolution-failure-of-solid-oral-drug-products-in-field-alert-reports
#16
Dajun Sun, Meng Hu, Mark Browning, Rick L Friedman, Wenlei Jiang, Liang Zhao, Hong Wen
From 2005 to 2014, 370 data entries of dissolution failures of solid oral drug products were assessed with respect to the solubility of drug substances, dosage forms (immediate release (IR) vs. modified release (MR)), and manufacturers (brand-name vs. generic). The study results show that the solubility of drug substances does not play a significant role in dissolution failures; however, MR drug products fail dissolution tests more frequently than IR drug products. When multiple variables were analyzed simultaneously, poorly water-soluble IR drug products failed the most dissolution tests, followed by poorly soluble MR drug products and very soluble MR drug products...
January 16, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28104205/drug-drug-interactions-when-switching%C3%A2-between-intravenous-and-oral%C3%A2-p2y12-receptor-inhibitors-how-real-is-it
#17
EDITORIAL
Fabiana Rollini, Francesco Franchi, Dominick J Angiolillo
No abstract text is available yet for this article.
January 23, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28104204/randomized-comparison-of-oral-p2y12-receptor-inhibitor-loading-strategies-for-transitioning-from-cangrelor-the-excelsiorload2-trial
#18
Willibald Hochholzer, Pascal Kleiner, Iris Younas, Christian M Valina, Nikolaus Löffelhardt, Michael Amann, Timo Bömicke, Miroslaw Ferenc, Dieter Hauschke, Dietmar Trenk, Franz-Josef Neumann, Christian Stratz
OBJECTIVES: This randomized trial tested whether early loading with prasugrel can provide sufficient platelet inhibition even when given at the start of a 2-h infusion of cangrelor. BACKGROUND: Effective platelet inhibition with intravenous cangrelor reduces the risk of ischemic complications during percutaneous coronary intervention (PCI). Transitioning to oral therapy with clopidogrel or prasugrel is only recommended after discontinuation of cangrelor due to drug interactions...
January 23, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28103775/interaction-of-antipsychotic-drugs-with-sucrase-kinetics-and-structural-study
#19
Narges Jafari, Helia Dehganpour, Nava Ghavanini, Hamidreza Mollasalehi, Dariush Minai-Tehrani
In patients with the Congenital Sucrase-Isomaltase Deficiency (CSID), who lack intestinal sucrase-isomaltase enzyme, a suspension of yeast sucrase is applied as a drug to compensate the enzyme deficiency. While antipsychotic drugs are used for treatment of schizophrenia, administering multiple drugs at the same time may counteract each other. In this study, the interaction between trifluoperazine and haloperidol as antipsychotic drugs on oral drug yeast sucrase was investigated. The results showed that both drugs could reduce sucrase activity and decrease the Vmax of the enzyme by non-competitive inhibition...
January 18, 2017: Current Clinical Pharmacology
https://www.readbyqxmd.com/read/28103272/prevalence-and-determinants-of-oral-human-papillomavirus-infection-in-500-young-adults-from-italy
#20
Valentina Lupato, Dana Holzinger, Daniela Höfler, Anna Menegaldo, Paolo Giorgi Rossi, Annarosa Del Mistro, Maria Cristina Da Mosto, Michael Pawlita, Paolo Boscolo-Rizzo
Although the prevalence of human papillomavirus (HPV)-related oropharyngeal squamous cell carcinoma (OPSCC) is increasing in developed countries and becoming a relevant health issue, the natural history of oral HPV infection is still unclear. Estimating the infection's prevalence in specific populations and identifying risk factors can widen our understanding of its natural history and help to delineate appropriate prevention strategies. This study sought to (i) determine oral HPV prevalence and genotype distribution in a large series of young Italian adults, (ii) validate an oral rinse sampling/storage protocol, and (iii) pinpoint factors associated with oral HPV infection...
2017: PloS One
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