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https://www.readbyqxmd.com/read/28104631/the-ethics-of-reporting-all-the-results-of-clinical-trials
#1
REVIEW
Iain Brassington
INTRODUCTION OR BACKGROUND: The terms 'publication bias' and 'reporting bias' describe aspects of a phenomenon by which data from trials are not publicized, and so remain inaccessible. This may generate a false impression about the world; but those facts may have important implications for clinical decisions. Thus, the bias may leave patients worse off than they might be. SOURCES OF DATA: Published journal articles. AREAS OF AGREEMENT: There is general agreement that the phenomenon happens, and that to the extent that it happens, it is undesirable for moral rather than simply epistemic reasons...
January 18, 2017: British Medical Bulletin
https://www.readbyqxmd.com/read/28101302/robot-assisted-laparoscopic-gastrectomy-for-gastric-cancer
#2
REVIEW
Stefano Caruso, Franco Franceschini, Alberto Patriti, Franco Roviello, Mario Annecchiarico, Graziano Ceccarelli, Andrea Coratti
Phase III evidence in the shape of a series of randomized controlled trials and meta-analyses has shown that laparoscopic gastrectomy is safe and gives better short-term results with respect to the traditional open technique for early-stage gastric cancer. In fact, in the East laparoscopic gastrectomy has become routine for early-stage gastric cancer. In contrast, the treatment of advanced gastric cancer through a minimally invasive way is still a debated issue, mostly due to worries about its oncological efficacy and the difficulty of carrying out an extended lymphadenectomy and intestinal reconstruction after total gastrectomy laparoscopically...
January 16, 2017: World Journal of Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28099589/which-coronary-lesions-are-more-prone-to-cause-acute-myocardial-infarction
#3
Taner Sen, Mehmet Ali Astarcioglu, Osman Beton, Lale Dinc Asarcikli, Celal Kilit
Background: According to common belief, most myocardial infarctions (MIs) are due to the rupture of nonsevere, vulnerable plaques with < 70% obstruction. Data from recent trials challenge this belief, suggesting that the risk of coronary occlusion is, in fact, much higher after severe stenosis. The aim of this study was to investigate whether or not acute ST-elevation MIs result from high-grade stenoses by evaluating the presence of coronary collateral circulation (CCC). Methods: We retrospectively included 207 consecutive patients who had undergone primary percutaneous coronary intervention for acute ST-elevation MI...
January 16, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28097487/inter-individual-responses-of-maximal-oxygen-uptake-to-exercise-training-a-critical-review
#4
Philip J Williamson, Greg Atkinson, Alan M Batterham
It has recently been reported how to quantify inter-individual differences in the response to an exercise intervention using the standard deviation of the change scores, as well as how to appraise these differences for clinical relevance. In a parallel-group randomised controlled trial, the key trigger for further investigation into inter-individual responses is when the standard deviation of change in the intervention sample is substantially larger than the same standard deviation derived from a suitable comparator sample...
January 17, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28093874/management-of-coronary-artery-disease-and-acute-coronary-syndrome-in-the-chronic-kidney-disease-population-a-review-of-the-current-literature
#5
REVIEW
Justin M Lingel, Mukta C Srivastava, Anuj Gupta
Coronary Artery Disease (CAD) is a large contributor to morbidity and mortality in the chronic kidney disease (CKD) and end-stage renal disease (ESRD) population. Due to the fact that many large-scale trials evaluating management for acute coronary syndromes (ACS) and CAD have excluded patients with CKD, there is a paucity of data investigating medical management of CAD and revascularization strategies of these patients. Further, while there have been many advances in the treatment for ACS and CAD, both medically and technologically, few studies have focused on the CKD population and many predate these advancements in management...
January 17, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28088622/reactive-oxygen-species-and-cancer-paradox-to-promote-or-to-suppress
#6
REVIEW
Sehamuddin Galadari, Anees Rahman, Siraj Pallichankandy, Faisal Thayyullathil
Reactive oxygen species (ROS), a group of highly reactive ions and molecules, are increasingly being appreciated as powerful signaling molecules involved in the regulation of a variety of biological processes. Indeed, their role is continuously being delineated in a variety of pathophysiological conditions. For instance, cancer cells are shown to have increased ROS levels in comparison to their normal counterparts. This is partly due to an enhanced metabolism and mitochondrial dysfunction in cancer cells. The escalated ROS generation in cancer cells contributes to the biochemical and molecular changes necessary for the tumor initiation, promotion and progression, as well as, tumor resistance to chemotherapy...
January 11, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28086921/a-randomized-controlled-trial-focusing-on-socio-economic-status-for-promoting-vegetable-intake-among-adults-using-a-web-based-nutrition-intervention-programme-study-protocol
#7
Saki Nakamura, Takayo Inayama, Takashi Arao
BACKGROUND: Web-based nutritional education programmes appear to be comparable to those delivered face-to-face. However, no existing web-based nutrition education or similar programme has yet been evaluated with consideration of socio-economic status. The objective of a nutritional education programme of promoting vegetable intake designed a randomized controlled trial (RCT) is to evaluate the results of intervention and to determine how socio-economic status influences the programme effects...
January 13, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28076585/-priorities-of-clinical-drug-trials-in-brazil-and-neglected-diseases-of-poverty
#8
Rafael Santos Santana, Silvana Nair Leite
Objective: To identify clinical drug trials performed in Brazil between 2012 and 2015, with emphasis on those focusing on neglected diseases of poverty. Method: Two clinical trial registries, ReBEC (Brazilian registry) and ClinicalTrials.gov were surveyed. The following aspects were investigated: distribution of clinical trials in relation to the burden of disease in Brazil, distribution of trials regarding their focus on diseases of poverty vs. diseases not linked to poverty, phase of trials, performing institution, and type of funding (private, public, or mixed)...
November 2016: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
https://www.readbyqxmd.com/read/28075422/inflammation-cardiometabolic-markers-and-functional-changes-in-a-randomized-controlled-trial-of-a-12-month-exercise-program-for-prostate-cancer-men
#9
Katarzyna Hojan, Eliza Kwiatkowska-Borowczyk, Ewa Leporowska, Piotr Milecki
INTRODUCTION    Previous studies have shown that physical exercise in cancer patients during radiotherapy (RT) and androgen deprivation therapy (ADT) improves cardiac fitness and quality of life (QoL), and reduces fatigue but it is still not entirely known how it affects inflammation or metabolic factors and what its consequences are in prostate cancer (PCa) patients. OBJECTIVES    Effect of a 12-month physical exercise program on inflammatory and cardiometabolic factors, and on functional status in PCa patients undergoing RT and ADT...
January 10, 2017: Polskie Archiwum Medycyny Wewnętrznej
https://www.readbyqxmd.com/read/28075038/effect-of-aerobic-exercise-on-cancer-associated-cognitive-impairment-a-proof-of-concept-rct
#10
K L Campbell, J W Y Kam, S E Neil-Sztramko, T Liu Ambrose, T C Handy, H Lim, S Hayden, L Hsu, A A Kirkham, C C Gotay, D C McKenzie, L A Boyd
BACKGROUND: Change in cognitive ability is a commonly reported side effect by breast cancer survivors (BCS). The underlying etiology of cognitive complaints is unclear and to date there is limited evidence for effective intervention strategies. Exercise has been shown to improve cognitive function in older adults and animal models treated with chemotherapy. This proof-of-concept randomized controlled trial (RCT) tested the effect of aerobic exercise versus usual lifestyle on cognitive function in postmenopausal BCS...
January 11, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28073867/the-maimed-martian-credible-intervals-and-bias-against-benefit
#11
David Kault
A sad little story about a maimed Martian astronaut is used to illustrate a method of improving confidence interval (CI) calculations. CIs in medical statistics are currently calculated from the data available in a clinical trial or meta-analysis considered in isolation from all other information available on earth. Likewise, the Martian in the story uses only information available to it, in isolation from further information from earth. However, there is further objective knowledge available to people on earth to improve the Martian's estimate...
January 10, 2017: Evidence-based Medicine
https://www.readbyqxmd.com/read/28068938/acupuncture-combined-with-methylcobalamin-for-the-treatment-of-chemotherapy-induced-peripheral-neuropathy-in-patients-with-multiple-myeloma
#12
Xiaoyan Han, Lijuan Wang, Hongfei Shi, Gaofeng Zheng, Jingsong He, Wenjun Wu, Jimin Shi, Guoqing Wei, Weiyan Zheng, Jie Sun, He Huang, Zhen Cai
BACKGROUND: Chemotherapy-induced peripheral neuropathy (CIPN) seriously affects the quality of life of patients with multiple myeloma (MM) as well as the response rate to chemotherapy. Acupuncture has a potential role in the treatment of CIPN, but at present there have been no randomized clinical research studies to analyze the effectiveness of acupuncture for the treatment of CIPN, particularly in MM patients. METHODS: The MM patients (104 individuals) who met the inclusion criteria were randomly assigned into a solely methylcobalamin therapy group (500 μg intramuscular methylcobalamin injections every other day for 20 days; ten injections) followed by 2 months of 500 μg oral methylcobalamin administration, three times per day) and an acupuncture combined with methylcobalamin (Met + Acu) group (methylcobalamin used the same way as above accompanied by three cycles of acupuncture)...
January 9, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28068158/follow-up-after-rectal-cancer-developing-and-testing-a-novel-patient-led-follow-up-program-study-protocol
#13
Ida Hovdenak Jakobsen, Therese Juul, Inge Bernstein, Peter Christensen, Frank Svendsen Jensen, Christoffer Johansen, Susie Lindhardt Larsen, Søren Laurberg, Mogens Rørbæk Madsen, Ole Thorlacius-Ussing, Henriette Vind Thaysen
BACKGROUND: The main treatment for non-metastatic rectal cancer (RC) is surgical resection. Late adverse effects that are highly prevalent and negatively impact patients' symptom burden and quality of life are: bowel-, urological and sexual dysfunctions; psychological distress; fear of recurrence. Patients and clinicians have requested a more patient-centred follow-up, balancing the focus on detection of recurrence, and physiological and psychological late adverse effects. The current follow-up program primarily focuses on detection of recurrence, with less attention on late adverse effects...
January 9, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28066627/survival-analyses-in-lung-cancer
#14
EDITORIAL
Kari Chansky, Dragan Subotic, Nathan R Foster, Torsten Blum
BACKGROUND: Although survival analyses represent one of the cornerstones in oncology in general, some aspects of the reported survival data in lung cancer patients are still not fully elucidated. METHODS: After having defined several open questions, an evidence based approach was applied in order to answer these questions. Areas of interest were: (I) possible uncertainties in reported survival data; (II) survival surrogates; (III) recommended methods for evaluating progression free survival (PFS) as a surrogate endpoint in future datasets; (IV) postoperative lung cancer recurrence and survival...
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28060448/design-of-a-mestranol-2-n-piperazino-substituted-derivative-showing-potent-and-selective-in%C3%A2-vitro-and-in%C3%A2-vivo-activities-in-mcf-7-breast-cancer-models
#15
Martin Perreault, René Maltais, Jenny Roy, Raphaël Dutour, Donald Poirier
Anticancer structure-activity relationship studies on aminosteroid (5α-androstane) derivatives have emerged with a promising lead candidate: RM-133 (2β-[1-(quinoline-2-carbonyl)pyrrolidine-2-carbonyl]-N-piperazine-5α-androstane-3α,17β-diol), which possesses high in vitro and in vivo activities against several cancer cells, and selectivity over normal cells. However, the relatively weak metabolic stability of RM-133 has been a drawback to its progression toward clinical trials. We investigated the replacement of the androstane backbone by a more stable mestranol moiety...
January 6, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28058212/complement-related-kidney-diseases-recurrence-after-transplantation
#16
REVIEW
Maurizio Salvadori, Elisabetta Bertoni
The recurrence of renal disease after renal transplantation is becoming one of the main causes of graft loss after kidney transplantation. This principally concerns some of the original diseases as the atypical hemolytic uremic syndrome (HUS), the membranoproliferative glomerulonephritis (MPGN), in particular the MPGN now called C3 glomerulopathy. Both this groups of renal diseases are characterized by congenital (genetic) or acquired (auto-antibodies) modifications of the alternative pathway of complement...
December 24, 2016: World Journal of Transplantation
https://www.readbyqxmd.com/read/28056205/evaluation-of-a-web-based-cognitive-rehabilitation-program-in-cancer-survivors-reporting-cognitive-symptoms-after-chemotherapy
#17
Victoria J Bray, Haryana M Dhillon, Melanie L Bell, Michael Kabourakis, Mallorie H Fiero, Desmond Yip, Frances Boyle, Melanie A Price, Janette L Vardy
Purpose Cognitive impairment is reported frequently by cancer survivors. There are no proven treatments. We evaluated a cognitive rehabilitation program (Insight) and compared it with standard care in cancer survivors self-reporting cognitive symptoms. Patients and Methods We recruited adult cancer survivors with a primary malignancy (excluding central nervous system malignancies) who had completed three or more cycles of adjuvant chemotherapy in the previous 6 to 60 months and reported persistent cognitive symptoms...
January 10, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28056161/bringing-things-together-developing-the-sample-survey-as-practice-in-the-late-nineteenth-century
#18
Peter Gundelach
The first sample surveys in the latter parts of the 19th century were an intellectual social movement. They were motivated by the intention to improve the economic and political conditions of workers. The quantitative survey was considered an ideal because it would present data about the workers as facts, i.e. establish a scientific authoritative truth. In a case study from Denmark, the paper shows how the first survey - a study of seamstresses - was carried out by bringing several cognitive and organizational elements together: a network of researchers, a method for sampling, the construction of a questionnaire, a procedure for coding, and analyzing the data...
January 2017: Journal of the History of the Behavioral Sciences
https://www.readbyqxmd.com/read/28054971/the-development-of-urease-inhibitors-what-opportunities-exist-for-better-treatment-of-helicobacter-pylori-infection-in-children
#19
Sherif T S Hassan, Miroslava Šudomová
Stomach infection with Helicobacter pylori (H. pylori) causes severe gastroduodenal diseases in a large number of patients worldwide. The H. pylori infection breaks up in early childhood, persists lifelong if not treated, and is associated with chronic gastritis and an increased risk of peptic ulcers and gastric cancer. In recent years, the problem of drug-resistant strains has become a global concern that makes the treatment more complicated and the infection persistent at higher levels when the antibiotic treatment is stopped...
January 4, 2017: Children
https://www.readbyqxmd.com/read/28053956/aberrant-dna-double-strand-break-repair-threads-in-breast-carcinoma-orchestrating-genomic-insult-survival
#20
REVIEW
Azad Kumar, Shruti Purohit, Nilesh Kumar Sharma
Breast carcinoma is a heterogeneous disease that has exhibited rapid resistance to treatment in the last decade. Depending genotype and phenotype of breast cancer, there are discernible differences in DNA repair protein responses including DNA double strand break repair. It is a fact that different molecular sub-types of breast carcinoma activate these dedicated protein pathways in a distinct manner. The DNA double-strand damage repair machinery is manipulated by breast carcinoma to selectively repair the damage or insults inflicted by the genotoxic effects of chemotherapy or radiation therapy...
December 2016: Journal of Cancer Prevention
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