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https://www.readbyqxmd.com/read/29454236/stingel-controlled-release-of-a-cyclic-dinucleotide-for-enhanced-cancer-immunotherapy
#1
David G Leach, Neeraja Dharmaraj, Stacey L Piotrowski, Tania L Lopez-Silva, Yu L Lei, Andrew G Sikora, Simon Young, Jeffrey D Hartgerink
Recent advancements in the field of immunotherapy have yielded encouraging results for the treatment of advanced cancers. Cyclic dinucleotides (CDNs) are a powerful new class of immunotherapy drugs known as STING (Stimulator of Interferon Genes) agonists, currently in clinical trials. However, previous studies of CDNs in murine cancer models have required multiple injections, and improve survival only in relatively nonaggressive tumor models. Therefore, we sought to improve the efficacy of CDN immunotherapy by developing a novel biomaterial we call "STINGel...
February 6, 2018: Biomaterials
https://www.readbyqxmd.com/read/29454141/a-cluster-randomized-pilot-trial-of-a-tailored-worksite-smoking-cessation-intervention-targeting-hispanic-latino-construction-workers-intervention-development-and-research-design
#2
Taghrid Asfar, Alberto J Caban-Martinez, Laura A McClure, Estefania C Ruano-Herreria, Danielle Sierra, G Gilford Clark, Daniel Samano, Noella A Dietz, Kenneth D Ward, Kristopher L Arheart, David J Lee
Construction workers have the highest smoking rate among all occupations (39%). Hispanic/Latino workers constitute a large and increasing group in the US construction industry (over 2.6 million; 23% of all workers). These minority workers have lower cessation rates compared to other groups due to their limited access to cessation services, and lack of smoking cessation interventions adapted to their culture and work/life circumstances. Formative research was conducted to create an intervention targeting Hispanic/Latino construction workers...
February 14, 2018: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/29453947/evaluation-of-the-effects-of-rp5063-a-novel-multimodal-serotonin-receptor-modulator-as-single-agent-therapy-and-co-administrated-with-sildenafil-bosentan-and-treprostinil-in-a-monocrotaline-induced-pulmonary-arterial-hypertension-rat-model
#3
Laxminarayan Bhat, Jon Hawkinson, Marc Cantillon, Dasharatha G Reddy, Seema R Bhat, Charles-E Laurent, Annie Bouchard, Marzena Biernat, Dany Salvail
Pulmonary arterial hypertension (PAH), a condition that is defined by pulmonary vasculature constriction and remodeling, involves dysfunctional signaling of the serotonin (5-HT) receptors, 5-HT 2/2B/7 . In a rat model of monocrotaline (MCT)-induced PAH, the effectiveness of RP5063 (RP), a dopamine and 5-HT receptor modulator, was evaluated as monotherapy and as an adjunct to standard PAH treatments. After a single 60mg/kg dose of MCT, rats received vehicle (MCT+Veh; gavage twice-daily [b.i.d.]), RP (10mg/kg; gavage b...
February 14, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29453915/efficacy-of-nucleoside-analogues-for-hepatitis-b-virus-related-liver-failure-a-network-meta-analysis
#4
Jian Wu, Fang Yin, Xinmin Zhou
The purpose of this study was to compare the efficacy of nucleoside analogues (NAs) in the treatment of HBV-related liver failure. The data of patients with HBV-related liver failure treated with nucleoside analogues were used to conduct a network meta-analysis. A total of 1660 patients from 12 articles about the efficacy of lamivudine, entecavir, telbivudine and tenofovir for HBV-related liver failure treatment were recruited in the study. The highest two- and three-month survival rate was recorded for patients using tenofovir...
March 1, 2018: Acta Pharmaceutica
https://www.readbyqxmd.com/read/29453785/assessment-of-antiplaque-effectiveness-of-chlorhexidine-soaked-gauze-compared-to-chlorhexidine-mouth-rinse-randomized-clinical-trial
#5
Scilla Sparabombe, Marisa Roncati, Riccardo Monterubbianasi, Alberto Catellani, Lamberto Manzoli, Fabrizio Bambini, Maurizio Procaccini, Angelo Putignano, Giovanna Orsini
AIM: The aim of the present study was to compare the efficacy of a disposable gauze soaked with chlorhexidine and rolled up on the finger vs chlorhexidine mouth rinse (CM) to maintain oral hygiene. METHODS: In this single-blind, randomized trial, both groups were instructed to brush their teeth and use the 0.12% chlorhexidine intervention twice per day (experimental group: toothbrushing + chlorhexidine-soaked gauze; control group: toothbrushing + mouth rinse). The main outcome was the change in full mouth plaque index scores from baseline to 2 weeks...
February 17, 2018: Journal of Investigative and Clinical Dentistry
https://www.readbyqxmd.com/read/29453694/percutaneous-left-atrial-appendage-occlusion-in-the-prevention-of-stroke-in-atrial-fibrillation-a-systematic-review
#6
REVIEW
Jayson R Baman, Moussa Mansour, E Kevin Heist, David T Huang, Yitschak Biton
Atrial fibrillation is commonly coexistent with heart failure, and the management of the heart failure patient would be incomplete without an appreciation for atrial fibrillation management. There are many complications associated with oral anticoagulation in the prevention of stroke related to atrial fibrillation. In recent years, the advent of several percutaneous left atrial appendage (LAA) occlusion/closure strategies has sought to provide an alternative treatment modality. Here, we systematically review the published literature to investigate the efficacy and safety of percutaneous LAA occlusion/closure devices...
February 17, 2018: Heart Failure Reviews
https://www.readbyqxmd.com/read/29453687/impact-of-boosted-antiretroviral-therapy-on-the-pharmacokinetics-and-efficacy-of-clopidogrel-and-prasugrel-active-metabolites
#7
Niloufar Marsousi, Youssef Daali, Pierre Fontana, Jean-Luc Reny, Virginie Ancrenaz-Sirot, Alexandra Calmy, Serge Rudaz, Jules Alexandre Desmeules, Caroline Flora Samer
BACKGROUND AND OBJECTIVES: Prasugrel and clopidogrel are inhibitors of the ADP-P 2 Y 12 platelet receptor used in acute coronary syndrome patients. They require bioactivation via isoenzymes such as cytochrome P450 (CYP) 3A4, CYP2C19 and CYP2B6. Ritonavir and cobicistat are potent CYP3A inhibitors, prescribed as pharmacokinetic (PK) enhancers in the treatment of human immunodeficiency virus (HIV) infection. METHODS: In this study, the impact of boosted antiretroviral therapies (ARTs) on the PK of clopidogrel and prasugrel active metabolites (AMs), and on the efficacy of prasugrel and clopidogrel, were evaluated in a randomized crossover clinical trial...
February 16, 2018: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/29453679/the-impact-of-timing-of-immunotherapy-with-cranial-irradiation-in-melanoma-patients-with-brain-metastases-intracranial-progression-survival-and-toxicity
#8
Rifaquat Rahman, Alfonso Cortes, Andrzej Niemierko, Kevin S Oh, Keith T Flaherty, Donald P Lawrence, Ryan J Sullivan, Helen A Shih
Immunotherapy (IT) is increasingly incorporated in the management of metastatic melanoma patients with brain metastases, but the impact of timing of IT with stereotactic radiosurgery (SRS) remains unclear. The aim of this study was to determine the temporal significance of IT in melanoma patients treated with cranial radiation therapy (RT) with respect to patterns of intracranial progression, overall survival (OS), and toxicity. We retrospectively reviewed consecutive melanoma patients with brain metastases undergoing cranial RT and IT between 2008 and 2015...
February 16, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29453611/comparative-study-of-phototoxicity-of-protoporphyrin-ix-synthetic-and-extracted-from-ssp-rattus-novergicus-albinus-rats-toward-murine-melanoma-cells
#9
E R Reis, L P Ferreira, E M D Nicola, I Borissevitch
Protoporphyrin IX (PpIX) is a precursor of heme synthesis and is known to be an active photosensitizer and precursor of photosensitizers applied in photodynamic therapy (PDT) and photodynamic diagnostics (PDD). On irradiation with visible light, PpIX undergoes phototransformation, producing photoproducts which may also be phototoxic and increase its efficacy. The mechanism of PpIX phototransformation depends on environmental characteristics and can be different in vitro and in vivo. In this paper, we present a comparative study of the photoactivity of synthetic PpIX and PpIX extracted from the Harderian gland of ssp Rattus novergicus albinus rats, along with their photoproducts toward murine B16F-10 melanoma cells...
February 16, 2018: European Biophysics Journal: EBJ
https://www.readbyqxmd.com/read/29453607/semaphorin-7a-in-circulating-regulatory-t-cells-is-increased-in-autosomal-dominant-polycystic-kidney-disease-and-decreases-with-tolvaptan-treatment
#10
Yashang Lee, Katrina Lehmann Blount, Feng Dai, Siobhan Thompson, Jonathan Kaufman Scher, Sherrie Bitterman, Madeline Droher, Erica L Herzog, Gilbert Moeckel, Anil Karihaloo, Neera K Dahl
BACKGROUND: Semaphorin 7A (SEMA7A) is an immunomodulating protein implicated in lung and liver fibrosis. In autosomal-dominant polycystic kidney disease (ADPKD), the progressive expansion of renal cysts, inflammation, and subsequent renal fibrosis leads to end-stage renal disease (ESRD). SEMA7A may play a role in renal fibrosis and in ADPKD. METHODS: We evaluated Sema7a in a mouse model of renal fibrosis and determined the expression of SEMA7A in human ADPKD kidney...
February 16, 2018: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/29453594/time-to-first-event-versus-recurrent-event-analysis-points-to-consider-for-selecting-a-meaningful-analysis-strategy-in-clinical-trials-with-composite-endpoints
#11
Geraldine Rauch, Meinhard Kieser, Harald Binder, Antoni Bayes-Genis, Antje Jahn-Eimermacher
BACKGROUND: Composite endpoints combining several event types of clinical interest often define the primary efficacy outcome in cardiologic trials. They are commonly evaluated as time-to-first-event, thereby following the recommendations of regulatory agencies. However, to assess the patient's full disease burden and to identify preventive factors or interventions, subsequent events following the first one should be considered as well. This is especially important in cohort studies and RCTs with a long follow-up leading to a higher number of observed events per patients...
February 16, 2018: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/29453468/prevention-of-shivering-during-spinal-anesthesia-comparison-between-tramadol-ketamine-and-ondansetron
#12
Gajal Lakhe, Krishna Murari Adhikari, Kiran Khatri, Anil Maharjan, Akriti Bajracharya, Himdip Khanal
INTRODUCTION: Shivering is an unpleasant experience after spinal anesthesia. We conducted this study to evaluate the efficacy of ondansetron, ketamine and tramadol for prevention of shivering. METHODS: In this randomized controlled study, 120 patients aged 18-65 years of American Society of Anesthesiologist (ASA) physical status I and II undergoing various surgical procedures were included and allocated alternately to one of the 4 groups; Normal saline (Group1), Ondansetron 4mg (Group2), Ketamine 0...
October 2017: JNMA; Journal of the Nepal Medical Association
https://www.readbyqxmd.com/read/29453321/inhibition-of-cd95-cd95l-signaling-with-apg101-prevents-invasion-and-enhances-radiation-therapy-for-glioblastoma
#13
Jonas Blaes, Carina M Thomé, Philipp-Niclas Pfenning, Petra Rübmann, Felix Sahm, Antje Wick, Theresa Bunse, Torsten Schmenger, Jaromir Sykora, Andreas von Deimling, Benedikt Wiestler, Christian Merz, Manfred Jugold, Uwe Haberkorn, Amir Abdollahi, Jürgen Debus, Christian Gieffers, Claudia Kunz, Martin Bendszus, Michael Kluge, Michael Platten, Harald Fricke, Wolfgang Wick, Dieter Lemke
CD95 (Fas/APO-1), a death receptor family member, activity has been linked to tumorigenicity in multiple cancers, including glioblastoma multiforme (GBM). A phase II clinical trial on relapsed glioblastoma patients demonstrated that targeted inhibition of CD95 signaling via the CD95 ligand (CD95L) binding and neutralizing Fc-fusion protein APG101 (asunercept) prolonged patient survival. While CD95 signaling may be relevant for multiple aspects of tumor growth, the mechanism of action of APG101 in glioblastoma is not clear...
February 16, 2018: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/29453198/targeting-kca1-1-channels-with-a-scorpion-venom-peptide-for-the-therapy-of-rat-models-of-rheumatoid-arthritis
#14
Mark R Tanner, Michael W Pennington, Brayden H Chamberlain, Redwan Huq, Elizabeth J Gehrmann, Teresina Laragione, Percio S Gulko, Christine Beeton
Fibroblast-like synoviocytes (FLS) are a key cell-type involved in rheumatoid arthritis (RA) progression. We previously identified the KCa1.1 potassium channel (Maxi-K, BK, Slo 1, KCNMA1) as a regulator of FLS and that KCa1.1 inhibition reduces disease severity in RA animal models. However, systemic KCa1.1 block causes multiple side effects and in this study, we aimed to determine whether the KCa1.1 β1-3-specific venom peptide blocker iberiotoxin (IbTX) reduces disease severity in animal models of RA without inducing major side effects...
February 16, 2018: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29453191/a-text-message-intervention-with-adaptive-goal-support-to-reduce-alcohol-consumption-among-non-treatment-seeking-young-adults-non-randomized-clinical-trial-with-voluntary-length-of-enrollment
#15
Brian Suffoletto, Tammy Chung, Frederick Muench, Peter Monti, Duncan B Clark
BACKGROUND: Stand-alone text message-based interventions can reduce binge drinking episodes (≥4 drinks for women and ≥5 drinks for men) among nontreatment-seeking young adults, but may not be optimized. Adaptive text message support could enhance effectiveness by assisting context-specific goal setting and striving, but it remains unknown how to best integrate it into text message interventions. OBJECTIVE: The objective of this study was to evaluate young adults' engagement with a text message intervention, Texting to Reduce Alcohol Consumption 2 (TRAC2), which focuses on reducing weekend alcohol consumption...
February 16, 2018: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/29453126/pgy-specific-benchmarks-improve-resident-performance-on-fundamentals-of-laparoscopic-surgery-tasks
#16
Heather E Hoops, Caleb Haley, Laszlo N Kiraly, Elena An, Karen J Brasel, Donn Spight
BACKGROUND: Although expert proficiency times for Fundamentals of Laparoscopic Surgery (FLS) tasks exist, these times are not always attainable for junior residents. We hypothesize that post-graduate year (PGY)-specific benchmarks will improve resident performance of FLS tasks. METHODS: In 2014, PGY-specific benchmarks were developed for FLS tasks for PGY1-PGY4 general surgery residents by averaging completion times for each task from 2007 to 2013. Resident performance on each FLS task and overall performance was compared for PGY1-PGY4 residents in the 2007-2013 group and the 2014-2016 group, before and after implementation of PGY-specific benchmarks...
February 8, 2018: American Journal of Surgery
https://www.readbyqxmd.com/read/29453107/body-fluid-identification-using-a-targeted-mrna-massively-parallel-sequencing-approach-results-of-a-euroforgen-ednap-collaborative-exercise
#17
S Ingold, G Dørum, E Hanson, A Berti, W Branicki, P Brito, P Elsmore, K B Gettings, F Giangasparo, T E Gross, S Hansen, E N Hanssen, M-L Kampmann, M Kayser, F-X Laurent, N Morling, A Mosquera-Miguel, W Parson, C Phillips, M J Porto, E Pośpiech, A D Roeder, P M Schneider, K Schulze Johann, C R Steffen, D Syndercombe-Court, M Trautmann, M van den Berge, K J van der Gaag, J Vannier, V Verdoliva, A Vidaki, C Xavier, J Ballantyne, C Haas
In a previous study we presented an assay for targeted mRNA sequencing for the identification of human body fluids, optimised for the Illumina MiSeq/FGx MPS platform. This assay, together with an additional in-house designed assay for the Ion Torrent PGM/S5 platform, was the basis for a collaborative exercise within 17 EUROFORGEN and EDNAP laboratories, in order to test the efficacy of targeted mRNA sequencing to identify body fluids. The task was to analyse the supplied dried body fluid stains and, optionally, participants' own bona fide or mock casework samples of human origin, according to specified protocols...
January 31, 2018: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/29453086/pegylated-polyaminoacid-capped-mesoporous-silica-nanoparticles-for-mitochondria-targeted-delivery-of-celastrol-in-solid-tumors
#18
Ju Yeon Choi, Biki Gupta, Thiruganesh Ramasamy, Jee-Heon Jeong, Sung Giu Jin, Han-Gon Choi, Chul Soon Yong, Jong Oh Kim
The major goal of cancer chemotherapy is to maximize the therapeutic efficacy of anticancer drugs, while minimizing their associated side effects. Celastrol (CST), which is extracted from the traditional Chinese medicinal plant Tripterygium wilfordii, has been reported to exhibit significant anticancer effects in various in vitro and in vivo cancer models. Nanoparticulate drug delivery systems could be employed to preserve and enhance the pharmacological effects of CST in cancer cells. Among these, mesoporous silica nanoparticles (MSNs) are one of the most promising drug delivery systems...
February 11, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29452993/an-in-vitro-evaluation-of-the-efficacy-of-tedizolid-implications-for-the-treatment-of-skin-and-soft-tissue-infections
#19
Pierre Delpech, Muna ALeryan, Brian Jones, Curtis Gemmell, Sue Lang
Skin and soft tissue infections (SSTI) are among the most commonly occurring infections and evidence suggests that these are increasing world-wide. The aetiology is diverse, but Staphylococcus aureus predominate and these are often resistant to antimicrobials that were previously effective. Tedizolid is a new oxazolidinone-class antibacterial indicated for the treatment of adults with SSTI caused by Gram-positive pathogens, including S. aureus. The aim of this study was to evaluate the in vitro efficacy of tedizolid in comparison to other clinically used antibacterials against antibiotic sensitive- and resistant-staphylococci, grown in planktonic cultures and as biofilms reflecting the growth of the microorganism during episodes of SSTI...
January 10, 2018: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29452980/association-between-smoking-cessation-and-weight-gain-in-treatment-seeking-african-americans
#20
Marcia M Tan, Kolawole S Okuyemi, Ken Resnicow, Noella A Dietz, Michael H Antoni, Monica Webb Hooper
INTRODUCTION: Research has shown that African Americans gain more than average weight after smoking cessation. However, African Americans have been underrepresented in post-cessation weight gain research. The current study examined 1) the pattern of weight gain and 2) the association between smoking status and weight gain in a sample of African Americans seeking smoking cessation treatment. METHODS: Data were drawn from a randomized controlled trial testing the efficacy of a 4-week culturally specific smoking cessation cognitive behavioral therapy (CBT) intervention among African American smokers (N = 342)...
February 3, 2018: Addictive Behaviors
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