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Aspirin AND COX

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https://www.readbyqxmd.com/read/28626088/secondary-prevention-of-cardiovascular-disease-in-patients-with-type-2-diabetes-international-insights-from-the-tecos-trial
#1
Neha J Pagidipati, Ann Marie Navar, Karen S Pieper, Jennifer B Green, M Angelyn Bethel, Paul W Armstrong, Robert G Josse, Darren K McGuire, Yuliya Lokhnygina, Jan H Cornel, Sigrun Halvorsen, Timo E Strandberg, Tuncay Delibasi, Rury R Holman, Eric D Peterson
Background -Intensive risk factor modification significantly improves outcomes for patients with diabetes and cardiovascular disease (CVD). However, the degree to which secondary prevention treatment goals are achieved in international clinical practice is unknown. Methods -Attainment of 5 secondary prevention parameters-aspirin use, lipid control (low-density lipoprotein cholesterol <70 mg/dL or statin therapy), blood pressure control (<140 mmHg systolic, <90 mmHg diastolic), angiotensin-converting enzyme inhibitor or angiotensin receptor blocker use, and non-smoking status-was evaluated among 13,616 patients from 38 countries with diabetes and known CVD at entry into TECOS...
June 16, 2017: Circulation
https://www.readbyqxmd.com/read/28620089/development-and-validation-of-risk-prediction-equations-to-estimate-survival-in-patients-with-colorectal-cancer-cohort-study
#2
Julia Hippisley-Cox, Carol Coupland
Objective To develop and externally validate risk prediction equations to estimate absolute and conditional survival in patients with colorectal cancer. Design Cohort study.Setting General practices in England providing data for the QResearch database linked to the national cancer registry.Participants 44 145 patients aged 15-99 with colorectal cancer from 947 practices to derive the equations. The equations were validated in 15 214 patients with colorectal cancer from 305 different QResearch practices and 437 821 patients with colorectal cancer from the national cancer registry...
June 15, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28617992/antiplatelet-therapy-and-the-risk-of-hepatocellular-carcinoma-in-chronic-hepatitis-b-patients-on-antiviral-treatment
#3
Minjong Lee, Goh Eun Chung, Jeong-Hoon Lee, Sohee Oh, Joon Yeul Nam, Young Chang, Hyeki Cho, Hongkeun Ahn, Young Youn Cho, Jeong-Ju Yoo, Yuri Cho, Dong Hyeon Lee, Eun Ju Cho, Su Jong Yu, Dong Ho Lee, Jeong Min Lee, Yoon Jun Kim, Jung-Hwan Yoon
Antiplatelet therapy has shown protective effects against hepatocellular carcinoma (HCC) in preclinical studies. However, it is unclear whether antiplatelet therapy lowers the risk of HCC in patients with chronic hepatitis B (CHB). A retrospective analysis was conducted of data from 1,674 CHB patients, enrolled between January 2002 and May 2015, whose serum hepatitis B virus (HBV) DNA levels were suppressed by antivirals to <2,000 IU/mL. The primary and secondary outcomes were development of HCC and bleeding events, respectively...
June 15, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28617623/timing-of-aspirin-and-other-nonsteroidal-anti-inflammatory-drug-use-among-patients-with-colorectal-cancer-in-relation-to-tumor-markers-and-survival
#4
Xinwei Hua, Amanda I Phipps, Andrea N Burnett-Hartman, Scott V Adams, Sheetal Hardikar, Stacey A Cohen, Jonathan M Kocarnik, Dennis J Ahnen, Noralane M Lindor, John A Baron, Polly A Newcomb
Purpose Regular use of aspirin is associated with improved survival for patients with colorectal cancer (CRC). However, the timing of and the subtype of CRC that would benefit the most from using aspirin and other nonsteroidal anti-inflammatory drugs (NSAIDs) in relation to survival is unclear. Patients and Methods In all, 2,419 patients age 18 to 74 years with incident invasive CRC who were diagnosed from 1997 to 2008 were identified from population-based cancer registries in the United States, Canada, and Australia...
June 15, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28608165/platelet-related-biomarkers-and-their-response-to-inhibition-with-aspirin-and-p2y12-receptor-antagonists-in-patients-with-acute-coronary-syndrome
#5
Angela Lowenstern, Robert F Storey, Megan Neely, Jie-Lena Sun, Dominick J Angiolillo, Christopher P Cannon, Anders Himmelmann, Kurt Huber, Stefan K James, Hugo A Katus, Joao Morais, Agneta Siegbahn, Phillippe Gabriel Steg, Lars Wallentin, Richard C Becker
The PLATelet inhibition and patient Outcomes (PLATO) trial showed that treatment with ticagrelor reduced the rate of death due to vascular causes, myocardial infarction and stroke when compared to clopidogrel in patients with ST-elevation or non-ST-elevation acute coronary syndrome (ACS). While the comparative benefit of ticagrelor over clopidogrel increased over time, event rates accrued in both groups during the study period. The purpose of our biomarker-based exploratory analysis was to determine whether long-term platelet inhibition may be associated with platelet adaptation...
June 12, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28607472/a-new-look-at-risk-patterns-related-to-coronary-heart-disease-incidence-using-survival-tree-analysis-12-years-longitudinal-study
#6
Azra Ramezankhani, Farideh Bagherzadeh-Khiabani, Davood Khalili, Fereidoun Azizi, Farzad Hadaegh
We identified risk patterns associated with incident coronary heart disease (CHD) using survival tree, and compared performance of survival tree versus Cox proportional hazards (Cox PH) in a cohort of Iranian adults. Data on 8,279 participants (3,741 men) aged ≥30 yr were used to analysis. Survival trees identified seven subgroups with different risk patterns using four [(age, non-HDL-C, fasting plasma glucose (FPG) and family history of diabetes] and five [(age, systolic blood pressure (SBP), non-HDL-C, FPG and family history of CVD] predictors in women and men, respectively...
June 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28598564/withdrawn-celecoxib-for-rheumatoid-arthritis
#7
REVIEW
Sarah E Garner, Dogan Fidan, Ruth R Frankish, Maria Judd, Beverley Shea, Tanveer Towheed, Peter Tugwell, George A Wells
BACKGROUND: Rheumatoid arthritis (RA) is a systemic auto-immune disorder, involving persistent joint inflammation. NSAIDs are used to control the symptoms of RA, but are associated with significant gastro-intestinal toxicity, including a risk of potentially life threatening gastroduodenal perforations, ulcers and bleeds. The NSAIDs known as the selective Cox II inhibitors, of which celecoxib is a member, were developed in order to reduce the GI toxicity, but are more expensive. OBJECTIVES: To establish the efficacy and safety of celecoxib in the management of RA by systematic review of available evidence...
June 9, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28597105/role-of-aspirin-in-breast-cancer-survival
#8
REVIEW
Wendy Y Chen, Michelle D Holmes
Chemotherapy and hormonal therapy have significantly decreased breast cancer mortality, although with considerable side effects and financial costs. In the USA, over three million women are living after a breast cancer diagnosis and are eager for new treatments that are low in toxicity and cost. Multiple observational studies have reported improved breast cancer survival with regular aspirin use. Furthermore, pooled data from five large randomized trials of aspirin for cardiovascular disease showed that subjects on aspirin had decreased risk of cancer mortality and decreased risk of metastatic cancer...
July 2017: Current Oncology Reports
https://www.readbyqxmd.com/read/28589365/variability-of-platelet-response-to-clopidogrel-is-not-related-to-adverse-cardiovascular-events-in-patients-with-stable-coronary-artery-disease-undergoing-percutaneous-coronary-intervention
#9
Szymon Olędzki, Zdzisława Kornacewicz-Jach, Krzysztof Safranow, Radosław Kiedrowicz, Barbara Gawrońska-Szklarz, Maria Jastrzębska, Jarosław Gorący
BACKGROUND: Antiplatelet response to clopidogrel and its influence upon the risk of cardiovascular adverse events among patients with stable coronary artery disease undergoing percutaneous coronary intervention (PCI) has not been investigated fully. METHODS: Two hundred eleven patients treated with aspirin and clopidogrel were included in the study. Immediately before PCI, residual platelet reactivity testing with impedance aggregometry assay and a single-nucleotide polymorphism genotyping analysis targeting variants of CYP2C19, ABCB1, and PON1 genes was performed...
June 6, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28588790/ibuprofen-and-fatal-lung-cancer-a-brief-report-of-the-prospective-results-from-the-third-national-health-and-nutrition-examination-survey-nhanes-iii
#10
Marisa A Bittoni, David P Carbone, Randall E Harris
Chronic inflammation appears to increase the risk of lung cancer and, reciprocally, agents that reduce inflammation have been found to reduce this risk. However, few prospective studies have assessed whether there exists an association between lung cancer and the use of non-steroidal anti-inflammatory drugs (NSAIDs). In the present study, the association between fatal lung cancer and NSAIDs was investigated using cohort data from the Third National Health and Nutrition Examination Study (NHANES III). Baseline data were collected on smoking, NSAID use and other lifestyle factors for 10,735 participants during 1988-1994, with cause-specific mortality status ascertained through probabilistic record matching based on the National Death Index until 2006...
June 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28583479/smoking-cessation-as-a-possible-risk-factor-for-the-development-of-aspirin-exacerbated-respiratory-disease-in-smokers
#11
Hiroaki Hayashi, Yuma Fukutomi, Chihiro Mitsui, Eiji Nakatani, Kentaro Watai, Yosuke Kamide, Kiyoshi Sekiya, Takahiro Tsuburai, Satoru Ito, Yoshinori Hasegawa, Masami Taniguchi
BACKGROUND: The pathogenesis of aspirin-exacerbated respiratory disease (AERD) is characterized by the low expression of cyclooxygenase-2 (COX-2) in airway epithelia, which decreases the production of prostaglandin E2 (PGE2). Conversely, cigarette smoke stimulates COX-2 expression in airway epithelia. Therefore, it was hypothesized that the development of AERD would be suppressed by elevated PGE2 levels in smokers, and smoking cessation might increase susceptibility to AERD. OBJECTIVE: The objective of this study was to evaluate the relationship between smoking and the risk of AERD development...
June 2, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28579807/effects-of-chemopreventive-agents-on-the-incidence-of-recurrent-colorectal-adenomas-a-systematic-review-with-network-meta-analysis-of-randomized-controlled-trials
#12
Sajesh K Veettil, Nattawat Teerawattanapong, Siew Mooi Ching, Kean Ghee Lim, Surasak Saokaew, Pochamana Phisalprapa, Nathorn Chaiyakunapruk
BACKGROUND: Protective effects of several chemopreventive agents (CPAs) against colorectal adenomas have been well documented in randomized controlled trials (RCTs); however, there is uncertainty regarding which agents are the most effective. METHODS: We searched for RCTs published up until September 2016. Retrieved trials were evaluated using risk of bias. We performed both pairwise analysis and network meta-analysis (NMA) of RCTs to compare the effects of CPAs on the recurrence of colorectal adenomas (primary outcome)...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28562382/impact-of-mean-platelet-aggregation-degree-on-long-term-clinical-outcomes-among-patients-undergoing-a-complex-percutaneous-coronary-intervention
#13
Quan Li, Mengmeng Li, Xianpeng Yu, Jiqiang He, Yuechun Gao, Xiaoling Zhang, Changyan Wu, Yawei Luo, Yuchen Zhang, Xuejun Ren
OBJECTIVE: The aim of this study was to evaluate the association between the mean platelet aggregation degree and long-term clinical outcomes in patients receiving a complex percutaneous coronary intervention (CPCI). PATIENTS AND METHODS: We screened 2141 patients after a percutaneous coronary intervention (PCI) treated with aspirin and clopidogrel. CPCI was defined as a procedure targeted to at least one of the following: left main disease, bifurcation lesion, ostial lesion, chronic total occlusion, and small-vessel stenting...
May 30, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28542447/exploratory-plasma-proteomic-analysis-in-a-randomized-crossover-trial-of-aspirin-among-healthy-men-and-women
#14
Xiaoliang Wang, Ali Shojaie, Yuzheng Zhang, David Shelley, Paul D Lampe, Lisa Levy, Ulrike Peters, John D Potter, Emily White, Johanna W Lampe
Long-term use of aspirin is associated with lower risk of colorectal cancer and other cancers; however, the mechanism of chemopreventive effect of aspirin is not fully understood. Animal studies suggest that COX-2, NFκB signaling and Wnt/β-catenin pathways may play a role, but no clinical trials have systematically evaluated the biological response to aspirin in healthy humans. Using a high-density antibody array, we assessed the difference in plasma protein levels after 60 days of regular dose aspirin (325 mg/day) compared to placebo in a randomized double-blinded crossover trial of 44 healthy non-smoking men and women, aged 21-45 years...
2017: PloS One
https://www.readbyqxmd.com/read/28524628/myenteric-neuroprotective-role-of-aspirin-in-acute-and-chronic-experimental-infections-with-trypanosoma-cruzi
#15
J Y Oda, M O Belém, T M Carlos, R Gouveia, B F C Luchetti, N M Moreira, C L Massocatto, S M Araújo, D M G Sant Ana, N C Buttow, P Pinge-Filho, E J A Araújo
BACKGROUND: Experimental and clinical studies have shown that myenteric neuron cell death during infection with Trypanosoma cruzi mainly occurs in the esophagus and colon, resulting in megaesophagus and megacolon, respectively. Evidence suggests that the cyclooxygenase enzyme (COX) is involved in the T. cruzi invasion process. The use of low-dose aspirin (ASA), a COX-1/COX-2 inhibitor, has been shown to reduce infection with T. cruzi. Therefore, in this study, we evaluated the effects of treatment with low-dose ASA on myenteric colonic neurons during murine infection with T...
May 19, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28507183/longterm-hydroxychloroquine-therapy-and-low-dose-aspirin-may-have-an-additive-effectiveness-in-the-primary-prevention-of-cardiovascular-events-in-patients-with-systemic-lupus-erythematosus
#16
Serena Fasano, Luciana Pierro, Ilenia Pantano, Michele Iudici, Gabriele Valentini
OBJECTIVE: Systemic lupus erythematosus (SLE) is associated with an increased risk of cardiovascular disease (CVD). Thromboprophylaxis with low-dose aspirin (ASA) and hydroxychloroquine (HCQ) seems promising in SLE. We investigated the effects of HCQ cumulative dosages (c-HCQ) and the possible synergistic efficacy of ASA and HCQ in preventing a first CV event (CVE) in patients with SLE. METHODS: Patients consecutively admitted to our center who, at admission, satisfied the 1997 American College of Rheumatology and/or 2012 Systemic Lupus Collaborating Clinics classification criteria for SLE, and had not experienced any CVE, were enrolled...
May 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28507039/do-aspirin-and-other-nsaids-confer-a-survival-benefit-in-men-diagnosed-with-prostate-cancer-a-pooled-analysis-of-nih-aarp-and-plco-cohorts
#17
Cindy Ke Zhou, Sarah E Daugherty, Linda M Liao, Neal D Freedman, Christian C Abnet, Ruth Pfeiffer, Michael B Cook
Prostate cancer is one of the leading causes of cancer-related death in U.S. men. There is an unmet need to identify modifiable risk factors for prostate cancer survival. Experimental studies have suggested that nonsteroidal anti-inflammatory drugs (NSAIDs) may improve prostate cancer survival through antithrombotic and anti-inflammation mechanisms. Results from previous observational studies have been equivocal, and few have assessed whether an etiologically relevant time window of exposure exists. We sampled incident prostate cancer cases from two large U...
May 15, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/28489320/role-of-cyclooxygenase-in-the-vascular-responses-to-extremity-cooling-in-caucasian-and-african-males
#18
Matthew J Maley, James R House, Michael J Tipton, Clare M Eglin
African descent (AFD) individuals are more susceptible to non-freezing cold injury (NFCI) and experience an exaggerated cutaneous vasoconstrictor response to hand cooling compared with Caucasians (CAU). Using a placebo-controlled, crossover design, this study tested the hypothesis that cyclooxygenase (COX) may, in part, be responsible for the exaggerated vasoconstrictor response to local cooling in AFD. Twelve AFD and twelve CAU young healthy males completed foot cooling and hand cooling (separately, in 8°C water for 30 minutes) with spontaneous rewarming in 30°C air following placebo or aspirin (COX inhibition) treatment...
May 10, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28482695/previously-undescribed-antioxidative-azocinyl-morpholinone-alkaloid-from-red-seaweed-gracilaria-opuntia-with-anti-cyclooxygenase-and-lipoxygenase-properties
#19
Fasina Makkar, Kajal Chakraborty
In vitro antioxidative and anti-inflammatory bioassay-guided fractionation of the methanol: ethyl acetate crude extract of the thalli of red seaweed Gracilaria opuntia collected from the Gulf of Mannar led to the isolation of a new morpholine alkaloid 3-(2-ethyl-6-((3Z,7Z)-1,2,5,6-tetrahydroazocin-5-yl)hexyl) morpholin-6-one. The substituted azocinyl morpholinone recorded significant 1,1-diphenyl-2-picryl-hydrazil free radical scavenging activities (IC50 ~ 0.086 mg/mL) compared to the commercially available antioxidants, butylated hydroxyanisole, butylated hydroxytoluene, and α-tocopherol (IC50 > 0...
May 8, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28481152/aspirin-attenuates-spontaneous-recurrent-seizures-in-the-chronically-epileptic-mice
#20
Kun Zhu, Ming Hu, Bo Yuan, Jian-Xin Liu, Yong Liu
OBJECTIVE: Neuroinflammatory processes are pathologic hallmarks of both experimental and human epilepsy, and could be implicated in the neuronal hyperexcitability. Aspirin represents one of the non-selective nonsteroidal anti-inflammatory drugs with fewer side effects in long-term application. This study was carried out to assess the anti-epileptic effects of aspirin when administered during the chronic stage of temporal lobe epilepsy [TLE] in mice. The alteration of hippocampal neurogenesis was also examined for raising a possible mechanism underlying the protective effect of anti-inflammatory treatment in the TLE...
May 7, 2017: Neurological Research
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