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Roger Reeves

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https://www.readbyqxmd.com/read/28851399/a-mixed-methods-feasibility-and-external-pilot-study-to-inform-a-large-pragmatic-randomised-controlled-trial-of-the-effects-of-surgical-wound-dressing-strategies-on-surgical-site-infections-bluebelle-phase-b-study-protocol-for-a-randomised-controlled-trial
#1
Barnaby C Reeves, Lazaros Andronis, Jane M Blazeby, Natalie S Blencowe, Melanie Calvert, Joanna Coast, Tim Draycott, Jenny L Donovan, Rachael Gooberman-Hill, Robert J Longman, Laura Magill, Jonathan M Mathers, Thomas D Pinkney, Chris A Rogers, Leila Rooshenas, Andrew Torrance, Nicky J Welton, Mark Woodward, Kate Ashton, Katarzyna D Bera, Gemma L Clayton, Lucy A Culliford, Jo C Dumville, Daisy Elliott, Lucy Ellis, Hannah Gould-Brown, Rhiannon C Macefield, Christel McMullan, Caroline Pope, Dimitrios Siassakos, Sean Strong, Helen Talbot
BACKGROUND: Surgical site infections (SSIs) are common, occurring in up to 25% of > 4 million operations performed in England each year. Previous trials of the effect of wound dressings on the risk of developing a SSI are of poor quality and underpowered. METHODS/DESIGN: This study is a feasibility and pilot trial to examine the feasibility of a full trial that will compare simple dressings, no dressing and tissue-glue as a dressing. It is examining the overall acceptability of trial participation, identifying opportunities for refinement, testing the feasibility of and validating new outcome tools to assess SSI, wound management issues and patients' wound symptom experiences...
August 29, 2017: Trials
https://www.readbyqxmd.com/read/28774374/effectiveness-and-cost-effectiveness-of-serum-b-type-natriuretic-peptide-testing-and-monitoring-in-patients-with-heart-failure-in-primary-and-secondary-care-an-evidence-synthesis-cohort-study-and-cost-effectiveness-model
#2
Maria Pufulete, Rachel Maishman, Lucy Dabner, Syed Mohiuddin, William Hollingworth, Chris A Rogers, Julian Higgins, Mark Dayer, John Macleod, Sarah Purdy, Theresa McDonagh, Angus Nightingale, Rachael Williams, Barnaby C Reeves
BACKGROUND: Heart failure (HF) affects around 500,000 people in the UK. HF medications are frequently underprescribed and B-type natriuretic peptide (BNP)-guided therapy may help to optimise treatment. OBJECTIVE: To evaluate the clinical effectiveness and cost-effectiveness of BNP-guided therapy compared with symptom-guided therapy in HF patients. DESIGN: Systematic review, cohort study and cost-effectiveness model. SETTING: A literature review and usual care in the NHS...
August 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28733131/preclinical-studies-for-a-phase-1-clinical-trial-of-autologous-hematopoietic-stem-cell-gene-therapy-for-sickle-cell-disease
#3
Fabrizia Urbinati, Jennifer Wherley, Sabine Geiger, Beatriz Campo Fernandez, Michael L Kaufman, Aaron Cooper, Zulema Romero, Filippo Marchioni, Lilith Reeves, Elizabeth Read, Barbara Nowicki, Elke Grassman, Shivkumar Viswanathan, Xiaoyan Wang, Roger P Hollis, Donald B Kohn
BACKGROUND AIMS: Gene therapy by autologous hematopoietic stem cell transplantation (HSCT) represents a new approach to treat sickle cell disease (SCD). Optimization of the manufacture, characterization and testing of the transduced hematopoietic stem cell final cell product (FCP), as well as an in depth in vivo toxicology study, are critical for advancing this approach to clinical trials. METHODS: Data are shown to evaluate and establish the feasibility of isolating, transducing with the Lenti/β(AS3)-FB vector and cryopreserving CD34(+) cells from human bone marrow (BM) at clinical scale...
July 18, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28703939/adaptation-of-the-by-band-randomized-clinical-trial-to-by-band-sleeve-to-include-a-new-intervention-and-maintain-relevance-of-the-study-to-practice
#4
C A Rogers, B C Reeves, J Byrne, J L Donovan, G Mazza, S Paramasivan, R C Andrews, S Wordsworth, J Thompson, J M Blazeby, R Welbourn
BACKGROUND: Recruitment into surgical RCTs can be threatened if new interventions available outside the trial compete with those being evaluated. Adapting the trial to include the new intervention may overcome this issue, yet this is not often done in surgery. This paper describes the challenges, rationale and methods for adapting an RCT to include a new intervention. METHODS: The By-Band study was designed in the UK in 2009-2010 to compare the effectiveness of laparoscopic adjustable gastric band and Roux-en-Y gastric bypass for severe obesity...
August 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28645959/formal-consensus-to-identify-clinically-important-changes-in-management-resulting-from-the-use-of-cardiovascular-magnetic-resonance-cmr-in-patients-who-activate-the-primary-percutaneous-coronary-intervention-ppci-pathway
#5
Maria Pufulete, Rachel C Brierley, Chiara Bucciarelli-Ducci, John P Greenwood, Stephen Dorman, Richard A Anderson, Jessica Harris, Elisa McAlindon, Chris A Rogers, Barnaby C Reeves
OBJECTIVE: To define important changes in management arising from the use of cardiovascular magnetic resonance (CMR) in patients who activate the primary percutaneous coronary intervention (PPCI) pathway. DESIGN: Formal consensus study using literature review and cardiologist expert opinion to formulate consensus statements and setting up a consensus panel to review the statements (by completing a web-based survey, attending a face-to-face meeting to discuss survey results and modify the survey to reflect group discussion and completing the modified survey to determine which statements were in consensus)...
June 22, 2017: BMJ Open
https://www.readbyqxmd.com/read/28630035/the-effects-of-preoperative-volume-replacement-in-diabetic-patients-undergoing-coronary-artery-bypass-grafting-surgery-protocol-for-a-randomized-controlled-trial-verdict-trial
#6
Madeleine Clout, Tracy Harris, Chris Rogers, Lucy Culliford, Jodi Taylor, Gianni Angelini, Pradeep Narayan, Barnaby Reeves, James Hillier, Kate Ashton, Kunal Sarkar, Raimondo Ascione
BACKGROUND: Diabetes mellitus is a major risk factor for prolonged hospital stays, renal failure, and mortality in patients having coronary artery bypass grafting (CABG). Complications pose a serious threat to patients and prolong intensive care and hospital stays. Low glomerular filtration rate (GFR) due to existing renal impairment or volume depletion may exacerbate acute renal impairment/failure in these patients. Preoperative volume replacement therapy (VRT) is reported to increase the GFR and we hypothesize that VRT will reduce renal impairment and related complications in diabetic patients...
June 19, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28612360/analysis-of-local-versus-imported-expanded-criteria-donor-kidneys-a-single-center-experience-with-497-ecd-kidney-transplants
#7
Muhammad A Khan, Hany El-Hennawy, Alan C Farney, Jeffrey Rogers, Giuseppe Orlando, Amber Reeves-Daniel, Amudha Palanisamy, Michael Gautreaux, Samy Iskandar, William Doares, Scott Kaczmorski, Robert J Stratta
BACKGROUND: The value of importing expanded criteria donor (ECD) kidneys is uncertain. METHODS: We retrospectively reviewed our single-center experience with ECD kidney transplants (KT). RESULTS: Over 12.8 years, we performed 497 ECD KTs including 247 local and 250 imported from other donor service areas. The import ECD group had more donors (16% vs 9%) ≥ age 70, more zero human leukocyte antigen mismatches (14% vs 2%), more KTs with a cold ischemia time >30 hours (46% vs 19%), and fewer kidneys managed with pump preservation (78% vs 92%, all P≤...
June 14, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28452581/the-arizona-cognitive-test-battery-for-down-syndrome-test-retest-reliability-and-practice-effects
#8
Jamie O Edgin, Payal Anand, Tracie Rosser, Elizabeth I Pierpont, Carlos Figueroa, Debra Hamilton, Lillie Huddleston, Gina Mason, Goffredina Spanò, Lisa Toole, Mina Nguyen-Driver, George Capone, Leonard Abbeduto, Cheryl Maslen, Roger H Reeves, Stephanie Sherman
A multisite study investigated the test-retest reliability and practice effects of a battery of assessments to measure neurocognitive function in individuals with Down syndrome (DS). The study aimed to establish the appropriateness of these measures as potential endpoints for clinical trials. Neurocognitive tasks and parent report measures comprising the Arizona Cognitive Test Battery (ACTB) were administered to 54 young participants with DS (7-20 years of age) with mild to moderate levels of intellectual disability in an initial baseline evaluation and a follow-up assessment 3 months later...
May 2017: American Journal on Intellectual and Developmental Disabilities
https://www.readbyqxmd.com/read/28440221/nptx2-and-cognitive-dysfunction-in-alzheimer-s-disease
#9
Mei-Fang Xiao, Desheng Xu, Michael T Craig, Kenneth A Pelkey, Chun-Che Chien, Yang Shi, Juhong Zhang, Susan Resnick, Olga Pletnikova, David Salmon, James Brewer, Steven Edland, Jerzy Wegiel, Benjamin Tycko, Alena Savonenko, Roger H Reeves, Juan C Troncoso, Chris J McBain, Douglas Galasko, Paul F Worley
Memory loss in Alzheimer's disease (AD) is attributed to pervasive weakening and loss of synapses. Here, we present findings supporting a special role for excitatory synapses connecting pyramidal neurons of the hippocampus and cortex with fast-spiking parvalbumin (PV) interneurons that control network excitability and rhythmicity. Excitatory synapses on PV interneurons are dependent on the AMPA receptor subunit GluA4, which is regulated by presynaptic expression of the synaptogenic immediate early gene NPTX2 by pyramidal neurons...
March 23, 2017: ELife
https://www.readbyqxmd.com/read/28217086/increased-sparsity-of-hippocampal-ca1-neuronal-ensembles-in-a-mouse-model-of-down-syndrome-assayed-by-arc-expression
#10
Constance L Smith-Hicks, Peiling Cai, Alena V Savonenko, Roger H Reeves, Paul F Worley
Down syndrome (DS) is the leading chromosomal cause of intellectual disability, yet the neural substrates of learning and memory deficits remain poorly understood. Here, we interrogate neural networks linked to learning and memory in a well-characterized model of DS, the Ts65Dn mouse. We report that Ts65Dn mice exhibit exploratory behavior that is not different from littermate wild-type (WT) controls yet behavioral activation of Arc mRNA transcription in pyramidal neurons of the CA1 region of the hippocampus is altered in Ts65Dn mice...
2017: Frontiers in Neural Circuits
https://www.readbyqxmd.com/read/28137862/dyrk1a-regulates-hap1-dcaf7-wdr68-binding-with-implication-for-delayed-growth-in-down-syndrome
#11
Jianxing Xiang, Su Yang, Ning Xin, Marta A Gaertig, Roger H Reeves, Shihua Li, Xiao-Jiang Li
Huntingtin-associated protein 1 (Hap1) is known to be critical for postnatal hypothalamic function and growth. Hap1 forms stigmoid bodies (SBs), unique neuronal cytoplasmic inclusions of unknown function that are enriched in hypothalamic neurons. Here we developed a simple strategy to isolate the SB-enriched fraction from mouse brain. By analyzing Hap1 immunoprecipitants from this fraction, we identified a Hap1-interacting SB component, DDB1 and CUL4 associated factor 7 (Dcaf7)/WD40 repeat 68 (WDR68), whose protein level and nuclear translocation are regulated by Hap1...
February 14, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28135839/delivering-successful-randomized-controlled-trials-in-surgery-methods-to-optimize-collaboration-and-study-design
#12
Natalie S Blencowe, Jonathan A Cook, Thomas Pinkney, Chris Rogers, Barnaby C Reeves, Jane M Blazeby
Randomized controlled trials in surgery are notoriously difficult to design and conduct due to numerous methodological and cultural challenges. Over the last 5 years, several UK-based surgical trial-related initiatives have been funded to address these issues. These include the development of Surgical Trials Centers and Surgical Specialty Leads (individual surgeons responsible for championing randomized controlled trials in their specialist fields), both funded by the Royal College of Surgeons of England; networks of research-active surgeons in training; and investment in methodological research relating to surgical randomized controlled trials (to address issues such as recruitment, blinding, and the selection and standardization of interventions)...
April 2017: Clinical Trials: Journal of the Society for Clinical Trials
https://www.readbyqxmd.com/read/28094841/phase-2-randomized-double-blind-study-of-pracinostat-in-combination-with-azacitidine-in-patients-with-untreated-higher-risk-myelodysplastic-syndromes
#13
RANDOMIZED CONTROLLED TRIAL
Guillermo Garcia-Manero, Guillermo Montalban-Bravo, Jesus G Berdeja, Yasmin Abaza, Elias Jabbour, James Essell, Roger M Lyons, Farhad Ravandi, Michael Maris, Brian Heller, Amy E DeZern, Sunil Babu, David Wright, Bertrand Anz, Ralph Boccia, Rami S Komrokji, Philip Kuriakose, James Reeves, Mikkael A Sekeres, Hagop M Kantarjian, Richard Ghalie, Gail J Roboz
BACKGROUND: The prognosis of patients with higher-risk myelodysplastic syndromes (MDS) remains poor despite available therapies. Histone deacetylase inhibitors have demonstrated activity in patients with MDS and in vitro synergy with azacitidine. METHODS: A phase 2 randomized, placebo-controlled clinical trial of azacitidine and pracinostat was conducted in patients who had International Prognostic Scoring System intermediate-2-risk or high-risk MDS. The primary endpoint was the complete response (CR) rate by cycle 6 of therapy...
May 15, 2017: Cancer
https://www.readbyqxmd.com/read/28031211/model-based-cost-effectiveness-analysis-of-b-type-natriuretic-peptide-guided-care-in-patients-with-heart-failure
#14
Syed Mohiuddin, Barnaby Reeves, Maria Pufulete, Rachel Maishman, Mark Dayer, John Macleod, Theresa McDonagh, Sarah Purdy, Chris Rogers, William Hollingworth
OBJECTIVE: Monitoring B-type natriuretic peptide (BNP) to guide pharmacotherapy might improve survival in patients with heart failure with reduced ejection fraction (HFrEF) or preserved ejection fraction (HFpEF). However, the cost-effectiveness of BNP-guided care is uncertain and guidelines do not uniformly recommend it. We assessed the cost-effectiveness of BNP-guided care in patient subgroups defined by age and ejection fraction. METHODS: We used a Markov model with a 3-month cycle length to estimate the lifetime health service costs, quality-adjusted life years (QALYs) and incremental net monetary benefits (iNMBs) of BNP-guided versus clinically guided care in 3 patient subgroups: (1) HFrEF patients <75 years; (2) HFpEF patients <75 years; and (3) HFrEF patients ≥75 years...
December 28, 2016: BMJ Open
https://www.readbyqxmd.com/read/27973035/a-model-based-cost-effectiveness-analysis-of-b-type-natriuretic-peptide-monitoring-in-patients-with-heart-failure
#15
S Mohiuddin, W Hollingworth, R Maishman, M Dayer, J MacLeod, T McDonagh, S Purdy, B Reeves, C Rogers, M Pufulete
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27898680/a-core-outcome-set-for-the-benefits-and-adverse-events-of-bariatric-and-metabolic-surgery-the-bariact-project
#16
Karen D Coulman, James Hopkins, Sara T Brookes, Katy Chalmers, Barry Main, Amanda Owen-Smith, Robert C Andrews, James Byrne, Jenny L Donovan, Graziella Mazza, Barnaby C Reeves, Chris A Rogers, Janice L Thompson, Richard Welbourn, Sarah Wordsworth, Jane M Blazeby
BACKGROUND: Bariatric and metabolic surgery is used as a treatment for patients with severe and complex obesity. However, there is a need to improve outcome selection and reporting in bariatric surgery trials. A Core Outcome Set (COS), an agreed minimum set of outcomes reported in all studies of a specific condition, may achieve this. Here, we present the development of a COS for BARIAtric and metabolic surgery Clinical Trials-the BARIACT Study. METHODS AND FINDINGS: Outcomes identified from systematic reviews and patient interviews informed a questionnaire survey...
November 2016: PLoS Medicine
https://www.readbyqxmd.com/read/27867340/changing-paradigms-in-down-syndrome-the-first-international-conference-of-the-trisomy-21-research-society
#17
Jean-Maurice Delabar, Bernadette Allinquant, Diana Bianchi, Tom Blumenthal, Alain Dekker, Jamie Edgin, John O'Bryan, Mara Dierssen, Marie-Claude Potier, Frances Wiseman, Faycal Guedj, Nicole Créau, Roger Reeves, Katheleen Gardiner, Jorge Busciglio
Down syndrome (DS) is the most common genetic cause of intellectual disability (ID) in humans with an incidence of ∼1:1,000 live births worldwide. It is caused by the presence of an extra copy of all or a segment of the long arm of human chromosome 21 (trisomy 21). People with DS present with a constellation of phenotypic alterations involving most organs and organ systems. ID is present in all people with DS, albeit with variable severity. DS is also the most frequent genetic cause of Alzheimer's disease (AD), and ∼50% of those with DS will develop AD-related dementia...
October 2016: Molecular Syndromology
https://www.readbyqxmd.com/read/27859268/heterogeneity-of-colorectal-cancer-risk-by-tumour-characteristics-large-prospective-study-of-uk-women
#18
Andrea Burón Pust, Rupert Alison, Roger Blanks, Kirstin Pirie, Kezia Gaitskell, Isobel Barnes, Toral Gathani, Gillian Reeves, Valerie Beral, Jane Green
Associations between behavioural and other personal factors and colorectal cancer risk have been reported to vary by tumour characteristics, but evidence is inconsistent. In a large UK-based prospective study we examined associations of 14 postulated risk factors with colorectal cancer risk overall, and across three anatomical sites and four morphological subtypes. Among 1.3 million women, 18,518 incident colorectal cancers were identified during 13.8 (SD 3.4) years follow-up via record linkage to national cancer registry data...
March 1, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27809956/the-effectiveness-cost-effectiveness-and-acceptability-of-community-versus-hospital-eye-service-follow-up-for-patients-with-neovascular-age-related-macular-degeneration-with-quiescent-disease-echoes-a-virtual-randomised-balanced-incomplete-block-trial
#19
Barnaby C Reeves, Lauren J Scott, Jodi Taylor, Ruth Hogg, Chris A Rogers, Sarah Wordsworth, Daisy Townsend, Alyson Muldrew, Tunde Peto, Mara Violato, Helen Dakin, Heike Cappel-Porter, Nicola Mills, Dermot O'Reilly, Simon P Harding, Usha Chakravarthy
BACKGROUND: Patients with neovascular age-related macular degeneration (nAMD) usually attend regular reviews, even when the disease is quiescent. Reviews are burdensome to health services, patients and carers. OBJECTIVES: To compare the proportion of correct lesion classifications made by community-based optometrists and ophthalmologists from vignettes of patients; to estimate the cost-effectiveness of community follow-up by optometrists compared with follow-up by ophthalmologists in the Hospital Eye Service (HES); to ascertain views of patients, their representatives, optometrists, ophthalmologists and clinical commissioners on the proposed shared care model...
October 2016: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/27797985/cost-effectiveness-of-community-versus-hospital-eye-service-follow-up-for-patients-with-quiescent-treated-age-related-macular-degeneration-alongside-the-echoes-randomised-trial
#20
M Violato, H Dakin, U Chakravarthy, B C Reeves, T Peto, R E Hogg, S P Harding, L J Scott, J Taylor, H Cappel-Porter, N Mills, D O'Reilly, C A Rogers, S Wordsworth
OBJECTIVES: To assess the cost-effectiveness of optometrist-led follow-up monitoring reviews for patients with quiescent neovascular age-related macular degeneration (nAMD) in community settings (including high street opticians) compared with ophthalmologist-led reviews in hospitals. DESIGN: A model-based cost-effectiveness analysis with a 4-week time horizon, based on a 'virtual' non-inferiority randomised trial designed to emulate a parallel group design. SETTING: A virtual internet-based clinical assessment, conducted at community optometry practices, and hospital ophthalmology clinics...
October 24, 2016: BMJ Open
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