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Martin CA, Sarlós K, Logan CV, Thakur RS, Parry DA, Bizard AH, Leitch A, Cleal L, Ali NS, Al-Owain MA, Allen W, Altmüller J, Aza-Carmona M, Barakat BA, Barraza-García J, Begtrup A, Bogliolo M, Cho MT, Cruz-Rojo J, Mundi Dhahrabi HA, Elcioglu NH, GOSgene, Gorman GS, Jobling R, Kesterton I, Kishita Y, Kohda M, Le Quesne Stabej P, Malallah AJ, Nürnberg P, Ohtake A, Okazaki Y, Pujol R, Ramirez MJ, Revah-Politi A, Shimura M, Stevens P, Taylor RW, Turner L, Williams H, Wilson C, Yigit G, Zahavich L, Alkuraya FS, Surralles J, Iglesias A, Murayama K, Wollnik B, Dattani M, Heath KE, Hickson ID, Jackson AP. Mutations in TOP3A Cause a Bloom Syndrome-like Disorder. Am J Hum Genet 2024; 111:996. [PMID: 38701747 PMCID: PMC11080603 DOI: 10.1016/j.ajhg.2024.04.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2024] Open
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Alvarez J, Shi Q, Dasari A, Garcia-Aguilar J, Sanoff H, George TJ, Hong TS, Yothers G, Philip PA, Nelson GD, Al Baghdadi T, Alese O, Zambare W, Omer DM, Verheij FS, Buckley J, Williams H, George M, Garcia R, O'Reilly EM, Meyerhardt JA, Shergill A, Horvat N, Romesser PB, Hall WA, Smith JJ. ALLIANCE A022104/NRG-GI010: The Janus Rectal Cancer Trial: a randomized phase II/III trial testing the efficacy of triplet versus doublet chemotherapy regarding clinical complete response and disease-free survival in patients with locally advanced rectal cancer. medRxiv 2024:2024.04.25.24306396. [PMID: 38712176 PMCID: PMC11071544 DOI: 10.1101/2024.04.25.24306396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
Background Recent data have demonstrated that in locally advanced rectal cancer (LARC), a total neoadjuvant therapy (TNT) approach improves compliance with chemotherapy and increases rates of tumor response compared to neoadjuvant chemoradiation (CRT) alone. They further indicate that the optimal sequencing of TNT involves consolidation (rather than induction) chemotherapy to optimize complete response rates. Data, largely from retrospective studies, have also shown that patients with clinical complete response (cCR) after neoadjuvant therapy may be managed safely with the watch and wait approach (WW) instead of preemptive total mesorectal resection (TME). However, the optimal consolidation chemotherapy regimen to achieve cCR has not been established, and a randomized clinical trial has not robustly evaluated cCR as a primary endpoint. Collaborating with a multidisciplinary oncology team and patient groups, we designed this NCI-sponsored study of chemotherapy intensification to address these issues and to drive up cCR rates, to provide opportunity for organ preservation, improve quality of life for patients and improve survival outcomes. Methods In this NCI-sponsored multi-group randomized, seamless phase II/III trial (1:1), up to 760 patients with LARC, T4N0, any T with node positive disease (any T, N+) or T3N0 requiring abdominoperineal resection or coloanal anastomosis and distal margin within 12 cm of anal verge will be enrolled. Stratification factors include tumor stage (T4 vs T1-3), nodal stage (N+ vs N0) and distance from anal verge (0-4; 4-8; 8-12 cm). Patients will be randomized to receive neoadjuvant long course chemoradiation (LCRT) followed by consolidation doublet (mFOLFOX6 or CAPOX) or triplet chemotherapy (mFOLFIRINOX) for 3-4 months. LCRT in both arms involves 4500 cGy in 25 fractions over 5 weeks + 900 cGy boost in 5 fractions with a fluoropyrimidine (capecitabine preferred). Patients will undergo assessment 8-12 (+/- 4) weeks post-TNT completion. The primary endpoint for the phase II portion will compare cCR between treatment arms. A total number of 296 evaluable patients (148 per arm) will provide statistical power of 90.5% to detect an 17% increase in cCR rate, at a one-sided alpha=0.048. The primary endpoint for the phase III portion will compare disease-free survival (DFS) between treatment arms. A total of 285 DFS events will provide 85% power to detect an effect size of hazard ratio 0.70 at a one-sided alpha of 0.025, requiring enrollment of 760 patients (380 per arm). Secondary objectives include time-to event outcomes (overall survival, organ preservation time and time to distant metastasis) and adverse effects. Biospecimens including archival tumor tissue, plasma and buffy coat in EDTA tubes, and serial rectal MRIs will be collected for exploratory correlative research. This study, activated in late 2022, is open across the NCTN and has a current accrual of 312. Support: U10CA180821, U10CA180882, U24 CA196171; https://acknowledgments.alliancefound.org . Discussion Building off of data from modern day rectal cancer trials and patient input from national advocacy groups, we have designed the current trial studying chemotherapy intensification via a consolidation chemotherapy approach with the intent to enhance cCR and DFS rates, increase organ preservation rates, and improve quality of life for patients with rectal cancer. Trial Registration Clinicaltrials.gov ID: NCT05610163 ; Support includes U10CA180868 (NRG) and U10CA180888 (SWOG).
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Mazzio E, Barnes A, Badisa R, Fierros-Romero G, Williams H, Council S, Soliman K. Functional immune boosters; the herb or its dead microbiome? Antigenic TLR4 agonist MAMPs found in 65 medicinal roots and algae's. J Funct Foods 2023; 107:105687. [PMID: 37654434 PMCID: PMC10469438 DOI: 10.1016/j.jff.2023.105687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023] Open
Abstract
Background Humans have been consuming medicinal plants (as herbs/ spices) to combat illness for centuries while ascribing beneficial effects predominantly to the plant/phytochemical constituents, without recognizing the power of obligatory resident microorganism' communities (MOCs) (live/dead bacteria, fungus, yeast, molds etc.) which remain after industrial microbial reduction methods. Very little is known about the taxonomic identity of residual antigenic microbial associated molecular patterns (MAMPs) debris in our botanical over the counter (OTC) products, which if present would be recognized as foreign (non-self) antigenic matter by host pattern recognition receptors (PRRs) provoking a host immune response; this the basis of vaccine adjuvants. As of today, only few research groups have removed the herbal MAMP biomass from herbs, all suggesting that immune activation may not be from the plant but rather its microbial biomass; a hypothesis we corroborate. Purpose The purpose of this work was to conduct a high through put screening (HTPS) of over 2500 natural plants, OTC botanical supplements and phytochemicals to elucidate those with pro-inflammatory; toll like receptor 4 (TLR4) activating properties in macrophages. Study Design The HTPS was conducted on RAW 264.7 cells vs. lipopolysaccharide (LPS) E. coli 0111:B4, testing iNOS / nitric oxide production ( NO 2 - ) as a perimeter endpoint. The data show not a single drug/chemical/ phytochemical and approximately 98 % of botanicals to be immune idle (not effective) with only 65 pro-inflammatory (hits) in a potency range of LPS. Method validation studies eliminated the possibility of false artifact or contamination, and results were cross verified through multiple vendors/ manufacturers/lot numbers by botanical species. Lead botanicals were evaluated for plant concentration of LPS, 1,3:1,6-β-glucan, 1,3:1,4-β-D-glucan and α-glucans; where the former paralleled strength in vitro. LPS was then removed from plants using high-capacity endotoxin poly lysine columns, where bioactivity of LPS null "plant" extracts were lost. The stability of E.Coli 0111:B4 in an acid stomach mimetic model was confirmed. Last, we conducted a reverse culture on aerobic plate counts (APCs) from select hits, with subsequent isolation of gram-negative bacteria (MacConkey agar). Cultures were 1) heat destroyed (retested/ confirming bioactivity) and 2) subject to taxonomical identification by genetic sequencing 18S, ITS1, 5.8 s, ITS2 28S, and 16S. Conclusion The data show significant gram negative MAMP biomass dominance in A) roots (e.g. echinacea, yucca, burdock, stinging nettle, sarsaparilla, hydrangea, poke, madder, calamus, rhaponticum, pleurisy, aconite etc.) and B) oceanic plants / algae's (e.g. bladderwrack, chlorella, spirulina, kelp, and "OTC Seamoss-blends" (irish moss, bladderwrack, burdock root etc), as well as other random herbs (eg. corn silk, cleavers, watercress, cardamom seed, tribulus, duckweed, puffball, hordeum and pollen). The results show a dominance of gram negative microbes (e.g. Klebsilla aerogenes, Pantoae agglomerans, Cronobacter sakazakii), fungus (Glomeracaea, Ascomycota, Irpex lacteus, Aureobasidium pullulans, Fibroporia albicans, Chlorociboria clavula, Aspergillus_sp JUC-2), with black walnut hull, echinacea and burdock root also containing gram positive microbial strains (Fontibacillus, Paenibacillus, Enterococcus gallinarum, Bromate-reducing bacterium B6 and various strains of Clostridium). Conclusion This work brings attention to the existence of a functional immune bioactive herbal microbiome, independent from the plant. There is need to further this avenue of research, which should be carried out with consideration as to both positive or negative consequences arising from daily consumption of botanicals highly laden with bioactive MAMPS.
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Affiliation(s)
- E. Mazzio
- Florida Agricultural and Mechanical University, College of Pharmacy and Pharmaceutical Sciences, Tallahassee, FL 32307, United States
| | - A. Barnes
- Florida Agricultural and Mechanical University, College of Pharmacy and Pharmaceutical Sciences, Tallahassee, FL 32307, United States
| | - R. Badisa
- Florida Agricultural and Mechanical University, College of Pharmacy and Pharmaceutical Sciences, Tallahassee, FL 32307, United States
| | - G. Fierros-Romero
- Florida Agricultural and Mechanical University, School of Environment, Tallahassee, FL 32307, United States
| | - H. Williams
- Florida Agricultural and Mechanical University, School of Environment, Tallahassee, FL 32307, United States
| | - S. Council
- John Gnabre Science Research Institute, Baltimore, MD 21224, United States
| | - K.F.A. Soliman
- Florida Agricultural and Mechanical University, College of Pharmacy and Pharmaceutical Sciences, Tallahassee, FL 32307, United States
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Dawson S, Banister K, Biggs K, Cotton S, Devane D, Gardner H, Gillies K, Gopalakrishnan G, Isaacs T, Khunti K, Nichol A, Parker A, Russell AM, Shepherd V, Shiely F, Shorter G, Starling B, Williams H, Willis A, Witham MD, Treweek S. Correction: Trial Forge Guidance 3: randomised trials and how to recruit and retain individuals from ethnic minority groups-practical guidance to support better practice. Trials 2022; 23:760. [PMID: 36071508 PMCID: PMC9450423 DOI: 10.1186/s13063-022-06669-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Affiliation(s)
- Shoba Dawson
- Centre for Academic Primary Care, Bristol Medical School, University of Bristol, Bristol, BS8 2PS, UK
| | - Katie Banister
- Health Services Research Unit, University of Aberdeen, Aberdeen, AB25 2ZD, UK
| | - Katie Biggs
- School of Health and Related Research, University of Shefeld, Shefeld, S1 4DA, UK
| | - Seonaidh Cotton
- Health Services Research Unit, University of Aberdeen, Aberdeen, AB25 2ZD, UK
| | - Declan Devane
- Health Research Board-Trials Methodology Research Network (HRB-TMRN), School of Nursing and Midwifery, National University of Ireland Galway, University Road, Galway, Ireland
| | - Heidi Gardner
- Health Services Research Unit, University of Aberdeen, Aberdeen, AB25 2ZD, UK
| | - Katie Gillies
- Health Services Research Unit, University of Aberdeen, Aberdeen, AB25 2ZD, UK
| | | | - Talia Isaacs
- UCL Centre for Applied Linguistics, IOE, UCL's Faculty of Education and Society, University College London, London, WC1H 0AL, UK
| | - Kamlesh Khunti
- Diabetes Research Centre, College of Life Sciences, University of Leicester, Leicester General Hospital, Leicester, LE5 4PW, UK
- National Institute for Health Research (NIHR), Applied Research Collaboration (ARC) East Midlands, University of Leicester, Leicester, UK
| | - Alistair Nichol
- School of Medicine, University College Dublin, Dublin, Ireland
| | - Adwoa Parker
- York Clinical Trials Unit, University of York, York, UK
| | - Amy M Russell
- WHO Disability Team, Geneva/ Leeds Institute of Health Sciences, University of Leeds, Leeds, UK
| | - Victoria Shepherd
- Centre for Trials Research, Cardif University, Neuadd Meirionnydd, Heath Park, Cardif, CF14 4YS, UK
| | - Frances Shiely
- Health Research Board Clinical Research Facility and School of Public Health, University College Cork, Cork, Ireland
| | - Gillian Shorter
- Drug and Alcohol Research Network, Queen's University Belfast, Belfast, UK
- Centre for Improving Health Related Quality of Life, School of Psychology, Queen's University Belfast, Belfast, UK
| | - Bella Starling
- Public Programmes Team (now Vocal), Manchester University NHS Foundation Trust, Research & Innovation Division, The Nowgen Centre, 29 Grafton Street, Manchester, M13 9WU, UK
- NIHR Manchester Biomedical Research Centre, NIHR Manchester Clinical Research Facility, Manchester, UK
| | - Hywel Williams
- Centre of Evidence-Based Dermatology, Queen's Medical Centre, Nottingham University Hospitals NHS Trust, Nottingham, NG7 2UH, UK
| | - Andrew Willis
- NIHR ARC East Midlands, University of Leicester, Leicester, UK
| | - Miles D Witham
- NIHR Newcastle Biomedical Research Centre, Campus for Ageing and Vitality, Newcastle University and Newcastle upon Tyne NHS Trust, Newcastle, NE4 5PL, UK
| | - Shaun Treweek
- Health Services Research Unit, University of Aberdeen, Aberdeen, AB25 2ZD, UK.
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Dawson S, Banister K, Biggs K, Cotton S, Devane D, Gardner H, Gillies K, Gopalakrishnan G, Isaacs T, Khunti K, Nichol A, Parker A, Russell AM, Shepherd V, Shiely F, Shorter G, Starling B, Williams H, Willis A, Witham MD, Treweek S. Trial Forge Guidance 3: randomised trials and how to recruit and retain individuals from ethnic minority groups-practical guidance to support better practice. Trials 2022; 23:672. [PMID: 35978338 PMCID: PMC9383663 DOI: 10.1186/s13063-022-06553-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 07/16/2022] [Indexed: 11/23/2022] Open
Abstract
Randomised trials, especially those intended to directly inform clinical practice and policy, should be designed to reflect all those who could benefit from the intervention under test should it prove effective. This does not always happen. The UK National Institute for Health and Care Research (NIHR) INCLUDE project identified many groups in the UK that are under-served by trials, including ethnic minorities.This guidance document presents four key recommendations for designing and running trials that include the ethnic groups needed by the trial. These are (1) ensure eligibility criteria and recruitment pathway do not limit participation in ways you do not intend, (2) ensure your trial materials are developed with inclusion in mind, (3) ensure staff are culturally competent and (4) build trusting partnerships with community organisations that work with ethnic minority groups. Each recommendation comes with best practice advice, public contributor testimonials, examples of the inclusion problem tackled by the recommendation, or strategies to mitigate the problem, as well as a collection of resources to support implementation of the recommendations.We encourage trial teams to follow the recommendations and, where possible, evaluate the strategies they use to implement them. Finally, while our primary audience is those designing, running and reporting trials, we hope funders, grant reviewers and approvals agencies may also find our guidance useful.
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Affiliation(s)
- Shoba Dawson
- Centre for Academic Primary Care, Bristol Medical School, University of Bristol, Bristol, BS8 2PS UK
| | - Katie Banister
- Health Services Research Unit, University of Aberdeen, Aberdeen, AB25 2ZD UK
| | - Katie Biggs
- School of Health and Related Research, University of Sheffield, Sheffield, S1 4DA UK
| | - Seonaidh Cotton
- Health Services Research Unit, University of Aberdeen, Aberdeen, AB25 2ZD UK
| | - Declane Devane
- Health Research Board-Trials Methodology Research Network (HRB-TMRN), School of Nursing and Midwifery, National University of Ireland Galway, University Road, Galway, Ireland
| | - Heidi Gardner
- Health Services Research Unit, University of Aberdeen, Aberdeen, AB25 2ZD UK
| | - Katie Gillies
- Health Services Research Unit, University of Aberdeen, Aberdeen, AB25 2ZD UK
| | | | - Talia Isaacs
- UCL Centre for Applied Linguistics, IOE, UCL’s Faculty of Education and Society, University College London, London, WC1H 0AL UK
| | - Kamlesh Khunti
- Diabetes Research Centre, College of Life Sciences, University of Leicester, Leicester General Hospital, Leicester, LE5 4PW UK
- National Institute for Health Research (NIHR), Applied Research Collaboration (ARC) East Midlands, University of Leicester, Leicester, UK
| | - Alistair Nichol
- School of Medicine, University College Dublin, Dublin, Ireland
| | - Adwoa Parker
- York Clinical Trials Unit, University of York, York, UK
| | - Amy M. Russell
- WHO Disability Team, Geneva/ Leeds Institute of Health Sciences, University of Leeds, Leeds, UK
| | - Victoria Shepherd
- Centre for Trials Research, Cardiff University, Neuadd Meirionnydd, Heath Park, Cardiff, CF14 4YS UK
| | - Frances Shiely
- Health Research Board Clinical Research Facility and School of Public Health, University College Cork, Cork, Ireland
| | - Gillian Shorter
- Drug and Alcohol Research Network, Queen’s University Belfast, Belfast, UK
- Centre for Improving Health Related Quality of Life, School of Psychology, Queen’s University Belfast, Belfast, UK
| | - Bella Starling
- Public Programmes Team (now Vocal), Manchester University NHS Foundation Trust, Research & Innovation Division, The Nowgen Centre, 29 Grafton Street, Manchester, M13 9WU UK
- NIHR Manchester Biomedical Research Centre, NIHR Manchester Clinical Research Facility, Manchester, UK
| | - Hywel Williams
- Centre of Evidence-Based Dermatology, Queen’s Medical Centre, Nottingham University Hospitals NHS Trust, Nottingham, NG7 2UH UK
| | - Andrew Willis
- NIHR ARC East Midlands, University of Leicester, Leicester, UK
| | - Miles D. Witham
- NIHR Newcastle Biomedical Research Centre, Campus for Ageing and Vitality, Newcastle University and Newcastle upon Tyne NHS Trust, Newcastle, NE4 5PL UK
| | - Shaun Treweek
- Health Services Research Unit, University of Aberdeen, Aberdeen, AB25 2ZD UK
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Kouli O, Murray V, Bhatia S, Cambridge WA, Kawka M, Shafi S, Knight SR, Kamarajah SK, McLean KA, Glasbey JC, Khaw RA, Ahmed W, Akhbari M, Baker D, Borakati A, Mills E, Thavayogan R, Yasin I, Raubenheimer K, Ridley W, Sarrami M, Zhang G, Egoroff N, Pockney P, Richards T, Bhangu A, Creagh-Brown B, Edwards M, Harrison EM, Lee M, Nepogodiev D, Pinkney T, Pearse R, Smart N, Vohra R, Sohrabi C, Jamieson A, Nguyen M, Rahman A, English C, Tincknell L, Kakodkar P, Kwek I, Punjabi N, Burns J, Varghese S, Erotocritou M, McGuckin S, Vayalapra S, Dominguez E, Moneim J, Salehi M, Tan HL, Yoong A, Zhu L, Seale B, Nowinka Z, Patel N, Chrisp B, Harris J, Maleyko I, Muneeb F, Gough M, James CE, Skan O, Chowdhury A, Rebuffa N, Khan H, Down B, Fatimah Hussain Q, Adams M, Bailey A, Cullen G, Fu YXJ, McClement B, Taylor A, Aitken S, Bachelet B, Brousse de Gersigny J, Chang C, Khehra B, Lahoud N, Lee Solano M, Louca M, Rozenbroek P, Rozitis E, Agbinya N, Anderson E, Arwi G, Barry I, Batchelor C, Chong T, Choo LY, Clark L, Daniels M, Goh J, Handa A, Hanna J, Huynh L, Jeon A, Kanbour A, Lee A, Lee J, Lee T, Leigh J, Ly D, McGregor F, Moss J, Nejatian M, O'Loughlin E, Ramos I, Sanchez B, Shrivathsa A, Sincari A, Sobhi S, Swart R, Trimboli J, Wignall P, Bourke E, Chong A, Clayton S, Dawson A, Hardy E, Iqbal R, Le L, Mao S, Marinelli I, Metcalfe H, Panicker D, R HH, Ridgway S, Tan HH, Thong S, Van M, Woon S, Woon-Shoo-Tong XS, Yu S, Ali K, Chee J, Chiu C, Chow YW, Duller A, Nagappan P, Ng S, Selvanathan M, Sheridan C, Temple M, Do JE, Dudi-Venkata NN, Humphries E, Li L, Mansour LT, Massy-Westropp C, Fang B, Farbood K, Hong H, Huang Y, Joan M, Koh C, Liu YHA, Mahajan T, Muller E, Park R, Tanudisastro M, Wu JJG, Chopra P, Giang S, Radcliffe S, Thach P, Wallace D, Wilkes A, Chinta SH, Li J, Phan J, Rahman F, Segaran A, Shannon J, Zhang M, Adams N, Bonte A, Choudhry A, Colterjohn N, Croyle JA, Donohue J, Feighery A, Keane A, McNamara D, Munir K, Roche D, Sabnani R, Seligman D, Sharma S, Stickney Z, Suchy H, Tan R, Yordi S, Ahmed I, Aranha M, El Sabawy D, Garwood P, Harnett M, Holohan R, Howard R, Kayyal Y, Krakoski N, Lupo M, McGilberry W, Nepon H, Scoleri Y, Urbina C, Ahmad Fuad MF, Ahmed O, Jaswantlal D, Kelly E, Khan MHT, Naidu D, Neo WX, O'Neill R, Sugrue M, Abbas JD, Abdul-Fattah S, Azlan A, Barry K, Idris NS, Kaka N, Mc Dermott D, Mohammad Nasir MN, Mozo M, Rehal A, Shaikh Yousef M, Wong RH, Curran E, Gardner M, Hogan A, Julka R, Lasser G, Ní Chorráin N, Ting J, Browne R, George S, Janjua Z, Leung Shing V, Megally M, Murphy S, Ravenscroft L, Vedadi A, Vyas V, Bryan A, Sheikh A, Ubhi J, Vannelli K, Vawda A, Adeusi L, Doherty C, Fitzgerald C, Gallagher H, Gill P, Hamza H, Hogan M, Kelly S, Larry J, Lynch P, Mazeni NA, O'Connell R, O'Loghlin R, Singh K, Abbas Syed R, Ali A, Alkandari B, Arnold A, Arora E, Azam R, Breathnach C, Cheema J, Compton M, Curran S, Elliott JA, Jayasamraj O, Mohammed N, Noone A, Pal A, Pandey S, Quinn P, Sheridan R, Siew L, Tan EP, Tio SW, Toh VTR, Walsh M, Yap C, Yassa J, Young T, Agarwal N, Almoosawy SA, Bowen K, Bruce D, Connachan R, Cook A, Daniell A, Elliott M, Fung HKF, Irving A, Laurie S, Lee YJ, Lim ZX, Maddineni S, McClenaghan RE, Muthuganesan V, Ravichandran P, Roberts N, Shaji S, Solt S, Toshney E, Arnold C, Baker O, Belais F, Bojanic C, Byrne M, Chau CYC, De Soysa S, Eldridge M, Fairey M, Fearnhead N, Guéroult A, Ho JSY, Joshi K, Kadiyala N, Khalid S, Khan F, Kumar K, Lewis E, Magee J, Manetta-Jones D, Mann S, McKeown L, Mitrofan C, Mohamed T, Monnickendam A, Ng AYKC, Ortu A, Patel M, Pope T, Pressling S, Purohit K, Saji S, Shah Foridi J, Shah R, Siddiqui SS, Surman K, Utukuri M, Varghese A, Williams CYK, Yang JJ, Billson E, Cheah E, Holmes P, Hussain S, Murdock D, Nicholls A, Patel P, Ramana G, Saleki M, Spence H, Thomas D, Yu C, Abousamra M, Brown C, Conti I, Donnelly A, Durand M, French N, Goan R, O'Kane E, Rubinchik P, Gardiner H, Kempf B, Lai YL, Matthews H, Minford E, Rafferty C, Reid C, Sheridan N, Al Bahri T, Bhoombla N, Rao BM, Titu L, Chatha S, Field C, Gandhi T, Gulati R, Jha R, Jones Sam MT, Karim S, Patel R, Saunders M, Sharma K, Abid S, Heath E, Kurup D, Patel A, Ali M, Cresswell B, Felstead D, Jennings K, Kaluarachchi T, Lazzereschi L, Mayson H, Miah JE, Reinders B, Rosser A, Thomas C, Williams H, Al-Hamid Z, Alsadoun L, Chlubek M, Fernando P, Gaunt E, Gercek Y, Maniar R, Ma R, Matson M, Moore S, Morris A, Nagappan PG, Ratnayake M, Rockall L, Shallcross O, Sinha A, Tan KE, Virdee S, Wenlock R, Donnelly HA, Ghazal R, Hughes I, Liu X, McFadden M, Misbert E, Mogey P, O'Hara A, Peace C, Rainey C, Raja P, Salem M, Salmon J, Tan CH, Alves D, Bahl S, Baker C, Coulthurst J, Koysombat K, Linn T, Rai P, Sharma A, Shergill A, Ahmed M, Ahmed S, Belk LH, Choudhry H, Cummings D, Dixon Y, Dobinson C, Edwards J, Flint J, Franco Da Silva C, Gallie R, Gardener M, Glover T, Greasley M, Hatab A, Howells R, Hussey T, Khan A, Mann A, Morrison H, Ng A, Osmond R, Padmakumar N, Pervaiz F, Prince R, Qureshi A, Sawhney R, Sigurdson B, Stephenson L, Vora K, Zacken A, Cope P, Di Traglia R, Ferarrio I, Hackett N, Healicon R, Horseman L, Lam LI, Meerdink M, Menham D, Murphy R, Nimmo I, Ramaesh A, Rees J, Soame R, Dilaver N, Adebambo D, Brown E, Burt J, Foster K, Kaliyappan L, Knight P, Politis A, Richardson E, Townsend J, Abdi M, Ball M, Easby S, Gill N, Ho E, Iqbal H, Matthews M, Nubi S, Nwokocha JO, Okafor I, Perry G, Sinartio B, Vanukuru N, Walkley D, Welch T, Yates J, Yeshitila N, Bryans K, Campbell B, Gray C, Keys R, Macartney M, Chamberlain G, Khatri A, Kucheria A, Lee STP, Reese G, Roy choudhury J, Tan WYR, Teh JJ, Ting A, Kazi S, Kontovounisios C, Vutipongsatorn K, Amarnath T, Balasubramanian N, Bassett E, Gurung P, Lim J, Panjikkaran A, Sanalla A, Alkoot M, Bacigalupo V, Eardley N, Horton M, Hurry A, Isti C, Maskell P, Nursiah K, Punn G, Salih H, Epanomeritakis E, Foulkes A, Henderson R, Johnston E, McCullough H, McLarnon M, Morrison E, Cheung A, Cho SH, Eriksson F, Hedges J, Low Z, May C, Musto L, Nagi S, Nur S, Salau E, Shabbir S, Thomas MC, Uthayanan L, Vig S, Zaheer M, Zeng G, Ashcroft-Quinn S, Brown R, Hayes J, McConville R, French R, Gilliam A, Sheetal S, Shehzad MU, Bani W, Christie I, Franklyn J, Khan M, Russell J, Smolarek S, Varadarassou R, Ahmed SK, Narayanaswamy S, Sealy J, Shah M, Dodhia V, Manukyan A, O'Hare R, Orbell J, Chung I, Forenc K, Gupta A, Agarwal A, Al Dabbagh A, Bennewith R, Bottomley J, Chu TSM, Chu YYA, Doherty W, Evans B, Hainsworth P, Hosfield T, Li CH, McCullagh I, Mehta A, Thaker A, Thompson B, Virdi A, Walker H, Wilkins E, Dixon C, Hassan MR, Lotca N, Tong KS, Batchelor-Parry H, Chaudhari S, Harris T, Hooper J, Johnson C, Mulvihill C, Nayler J, Olutobi O, Piramanayagam B, Stones K, Sussman M, Weaver C, Alam F, Al Rawi M, Andrew F, Arrayeh A, Azizan N, Hassan A, Iqbal Z, John I, Jones M, Kalake O, Keast M, Nicholas J, Patil A, Powell K, Roberts P, Sabri A, Segue AK, Shah A, Shaik Mohamed SA, Shehadeh A, Shenoy S, Tong A, 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Evaluation of prognostic risk models for postoperative pulmonary complications in adult patients undergoing major abdominal surgery: a systematic review and international external validation cohort study. Lancet Digit Health 2022; 4:e520-e531. [PMID: 35750401 DOI: 10.1016/s2589-7500(22)00069-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 01/07/2022] [Accepted: 04/06/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Stratifying risk of postoperative pulmonary complications after major abdominal surgery allows clinicians to modify risk through targeted interventions and enhanced monitoring. In this study, we aimed to identify and validate prognostic models against a new consensus definition of postoperative pulmonary complications. METHODS We did a systematic review and international external validation cohort study. The systematic review was done in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. We searched MEDLINE and Embase on March 1, 2020, for articles published in English that reported on risk prediction models for postoperative pulmonary complications following abdominal surgery. External validation of existing models was done within a prospective international cohort study of adult patients (≥18 years) undergoing major abdominal surgery. Data were collected between Jan 1, 2019, and April 30, 2019, in the UK, Ireland, and Australia. Discriminative ability and prognostic accuracy summary statistics were compared between models for the 30-day postoperative pulmonary complication rate as defined by the Standardised Endpoints in Perioperative Medicine Core Outcome Measures in Perioperative and Anaesthetic Care (StEP-COMPAC). Model performance was compared using the area under the receiver operating characteristic curve (AUROCC). FINDINGS In total, we identified 2903 records from our literature search; of which, 2514 (86·6%) unique records were screened, 121 (4·8%) of 2514 full texts were assessed for eligibility, and 29 unique prognostic models were identified. Nine (31·0%) of 29 models had score development reported only, 19 (65·5%) had undergone internal validation, and only four (13·8%) had been externally validated. Data to validate six eligible models were collected in the international external validation cohort study. Data from 11 591 patients were available, with an overall postoperative pulmonary complication rate of 7·8% (n=903). None of the six models showed good discrimination (defined as AUROCC ≥0·70) for identifying postoperative pulmonary complications, with the Assess Respiratory Risk in Surgical Patients in Catalonia score showing the best discrimination (AUROCC 0·700 [95% CI 0·683-0·717]). INTERPRETATION In the pre-COVID-19 pandemic data, variability in the risk of pulmonary complications (StEP-COMPAC definition) following major abdominal surgery was poorly described by existing prognostication tools. To improve surgical safety during the COVID-19 pandemic recovery and beyond, novel risk stratification tools are required. FUNDING British Journal of Surgery Society.
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Sarfraz F, Barrington C, Williams H, Lang E. Standardising Clinic Letters to Aid Care Beyond the Cancer Centre. Clin Oncol (R Coll Radiol) 2022. [DOI: 10.1016/j.clon.2022.01.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Akin L, Rizzoti K, Gregory LC, Corredor B, Le Quesne Stabej P, Williams H, Buonocore F, Mouilleron S, Capra V, McGlacken-Byrne SM, Martos-Moreno GÁ, Azmanov DN, Kendirci M, Kurtoglu S, Suntharalingham JP, Galichet C, Gustincich S, Tasic V, Achermann JC, Accogli A, Filipovska A, Tuilpakov A, Maghnie M, Gucev Z, Gonen ZB, Pérez-Jurado LA, Robinson I, Lovell-Badge R, Argente J, Dattani MT. Pathogenic variants in RNPC3 are associated with hypopituitarism and primary ovarian insufficiency. Genet Med 2022; 24:384-397. [PMID: 34906446 PMCID: PMC7612377 DOI: 10.1016/j.gim.2021.09.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 07/15/2021] [Accepted: 09/27/2021] [Indexed: 11/19/2022] Open
Abstract
PURPOSE We aimed to investigate the molecular basis underlying a novel phenotype including hypopituitarism associated with primary ovarian insufficiency. METHODS We used next-generation sequencing to identify variants in all pedigrees. Expression of Rnpc3/RNPC3 was analyzed by in situ hybridization on murine/human embryonic sections. CRISPR/Cas9 was used to generate mice carrying the p.Leu483Phe pathogenic variant in the conserved murine Rnpc3 RRM2 domain. RESULTS We described 15 patients from 9 pedigrees with biallelic pathogenic variants in RNPC3, encoding a specific protein component of the minor spliceosome, which is associated with a hypopituitary phenotype, including severe growth hormone (GH) deficiency, hypoprolactinemia, variable thyrotropin (also known as thyroid-stimulating hormone) deficiency, and anterior pituitary hypoplasia. Primary ovarian insufficiency was diagnosed in 8 of 9 affected females, whereas males had normal gonadal function. In addition, 2 affected males displayed normal growth when off GH treatment despite severe biochemical GH deficiency. In both mouse and human embryos, Rnpc3/RNPC3 was expressed in the developing forebrain, including the hypothalamus and Rathke's pouch. Female Rnpc3 mutant mice displayed a reduction in pituitary GH content but with no reproductive impairment in young mice. Male mice exhibited no obvious phenotype. CONCLUSION Our findings suggest novel insights into the role of RNPC3 in female-specific gonadal function and emphasize a critical role for the minor spliceosome in pituitary and ovarian development and function.
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Affiliation(s)
- Leyla Akin
- Department of Paediatric Endocrinology, Faculty of Medicine, Ondokuz Mayıs University, Samsun, Turkey; Department of Paediatric Endocrinology, Faculty of Medicine, Erciyes University, Kayseri, Turkey.
| | - Karine Rizzoti
- Stem Cell Biology and Developmental Genetics Lab, The Francis Crick Institute, London, United Kingdom
| | - Louise C Gregory
- Genetics and Genomic Medicine Research and Teaching Department, UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom
| | - Beatriz Corredor
- Departments of Paediatrics and Paediatric Endocrinology, Hospital Infantil Universitario Niño Jesús, Madrid, Spain
| | - Polona Le Quesne Stabej
- GOSgene, Genetics and Genomic Medicine Research and Teaching Department, UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom; Department of Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand
| | - Hywel Williams
- Division of Cancer and Genetics, Genetics and Genomic Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom
| | - Federica Buonocore
- Genetics and Genomic Medicine Research and Teaching Department, UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom
| | - Stephane Mouilleron
- Structural Biology Science Technology Platforms, The Francis Crick Institute, London, United Kingdom
| | - Valeria Capra
- Unit of Medical Genetics, IRCCS Giannina Gaslini Institute, Genova, Italy
| | - Sinead M McGlacken-Byrne
- Genetics and Genomic Medicine Research and Teaching Department, UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom
| | - Gabriel Á Martos-Moreno
- Departments of Paediatrics and Paediatric Endocrinology, Hospital Infantil Universitario Niño Jesús, Madrid, Spain; Department of Paediatrics, Universidad Autónoma de Madrid, Madrid, Spain; CIBER Fisiopatología Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III, Madrid, Spain
| | - Dimitar N Azmanov
- Centre of Medical Research, The University of Western Australia and Harry Perkins Institute of Medical Research, Perth, Western Australia, Australia; Department of Diagnostic Genomics, PathWest, QEII MedicalCentre, Perth, Western Australia, Australia
| | - Mustafa Kendirci
- Department of Paediatric Endocrinology, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Selim Kurtoglu
- Department of Paediatric Endocrinology, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Jenifer P Suntharalingham
- Genetics and Genomic Medicine Research and Teaching Department, UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom
| | - Christophe Galichet
- Stem Cell Biology and Developmental Genetics Lab, The Francis Crick Institute, London, United Kingdom
| | | | - Velibor Tasic
- University Children's Hospital, Medical School, Skopje, North Macedonia
| | - John C Achermann
- Genetics and Genomic Medicine Research and Teaching Department, UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom
| | - Andrea Accogli
- Division of Medical Genetics, Department of Specialized Medicine, Montreal Children's Hospital, McGill University Health Centre (MUHC), Montreal, QC, Canada; Department of Human Genetics, McGill University, Montreal, QC, Canada
| | - Aleksandra Filipovska
- Centre of Medical Research, The University of Western Australia and Harry Perkins Institute of Medical Research, Perth, Western Australia, Australia; Telethon Kids Institute, Perth Children's Hospital, Nedlands, Western Australia, Australia
| | - Anatoly Tuilpakov
- Department of Endocrine Genetics, Research Centre for Medical Genetics, Moscow, Russia; Department of Inherited Endocrine Disorders, Endocrinology Research Centre, Moscow, Russia
| | - Mohamad Maghnie
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy; Department of Paediatrics, IRCCS Giannina Gaslini Institute, Genoa, Italy
| | - Zoran Gucev
- University Children's Hospital, Medical School, Skopje, North Macedonia
| | - Zeynep Burcin Gonen
- Oral and Maxillofacial Surgery, Genome and Stem Cell Center, Erciyes University, Kayseri, Turkey
| | - Luis A Pérez-Jurado
- Genetics Unit, Universitat Pompeu Fabra, Hospital del Mar Research Institute (IMIM) and Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Barcelona, Spain; South Australian Health and Medical Research Institute (SAHMRI), The University of Adelaide, Adelaide, South Australia, Australia
| | - Iain Robinson
- Stem Cell Biology and Developmental Genetics Lab, The Francis Crick Institute, London, United Kingdom
| | - Robin Lovell-Badge
- Stem Cell Biology and Developmental Genetics Lab, The Francis Crick Institute, London, United Kingdom
| | - Jesús Argente
- Departments of Paediatrics and Paediatric Endocrinology, Hospital Infantil Universitario Niño Jesús, Madrid, Spain; Department of Paediatrics, Universidad Autónoma de Madrid, Madrid, Spain; CIBER Fisiopatología Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III, Madrid, Spain; IMDEA Food Institute, Campus of International Excellence UAM+CSIC, Madrid, Spain
| | - Mehul T Dattani
- Genetics and Genomic Medicine Research and Teaching Department, UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom; South Australian Health and Medical Research Institute (SAHMRI), The University of Adelaide, Adelaide, South Australia, Australia; Department of Paediatric Endocrinology, Great Ormond Street Hospital for Children, London, United Kingdom.
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Drummond C, Drummond M, Fennell M, Hart J, Kamaludin M, Keith C, Lange B, Paparella L, Ramos J, Wallen M, Williams H. The relationship between cardiorespiratory fitness and chronic pelvic pain in women with endometriosis: a preliminary cross-sectional analysis. J Sci Med Sport 2021. [DOI: 10.1016/j.jsams.2021.09.097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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10
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Motter D, Williams H. 1184 Operation Note – Are We Documenting Accessibility to The Larynx. Br J Surg 2021. [DOI: 10.1093/bjs/znab259.560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Introduction
Diagnostic laryngeal procedures are often done under general anaesthesia to aid in assessment and management of laryngeal lesions. Obtaining tissue samples for histology is an extremely important tool used to aid in further surgical planning. Documentation of accessibility to the larynx is paramount to patient care and future surgical planning. We aimed to highlight operative notes for those undergoing diagnostic procedures and assess whether sufficient detail is documented. The Royal College of Surgeons recommends that all operative notes must be comprehensive and “all problems/complications” must be documented for good practice.
Method
We carried out a 3-month retrospective data collection on patients who have undergone diagnostic laryngeal procedures at the Royal Glamorgan Hospital. We included microlaryngoscopies, panendoscopies and laser-specific procedures. We accessed the theatre booking system and retrieved the operation notes.
Results
During the 3-month period, 33 procedures were undertaken. 52% of the operative notes did not document level of accessibility. 48% of the operative notes included the level of accessibility, highlighting keywords such as “good access”, “difficult access” and “difficult access but possible for laser therapy”.
Conclusions
Documentation of intra-operative findings can aid further surgical management and help prepare the surgeon and theatre staff. It is especially important in patients who have vocal cord lesions that might benefit from laser therapy. We recommend documenting the intubation grade (Malampati Score) and accessibility to the larynx.
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Affiliation(s)
- D Motter
- Royal Glamorgan Hospital, Wales, United Kingdom
| | - H Williams
- Royal Glamorgan Hospital, Wales, United Kingdom
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Buxton J, Powell T, Ambler J, Boulton C, Nicholson A, Arthur R, Lees K, Williams H, Lenton TM. Community-driven tree planting greens the neighbouring landscape. Sci Rep 2021; 11:18239. [PMID: 34521871 PMCID: PMC8440767 DOI: 10.1038/s41598-021-96973-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 08/17/2021] [Indexed: 11/16/2022] Open
Abstract
Nature-based solutions to climate change are growing policy priorities yet remain hard to quantify. Here we use remote sensing to quantify direct and indirect benefits from community-led agroforestry by The International Small group and Tree planting program (TIST) in Kenya. Since 2005, TIST-Kenya has incentivised smallholder farmers to plant trees for agricultural benefit and to sequester CO2. We use Landsat-7 satellite imagery to examine the effect on the historically deforested landscape around Mount Kenya. We identify positive greening trends in TIST groves during 2000–2019 relative to the wider landscape. These groves cover 27,198 ha, and a further 27,750 ha of neighbouring agricultural land is also positively influenced by TIST. This positive ‘spill-over’ impact of TIST activity occurs at up to 360 m distance. TIST also benefits local forests, e.g. through reducing fuelwood and fodder extraction. Our results show that community-led initiatives can lead to successful landscape-scale regreening on decadal timescales.
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Affiliation(s)
- Joshua Buxton
- Global Systems Institute, University of Exeter, Exeter, UK.
| | - Tom Powell
- Global Systems Institute, University of Exeter, Exeter, UK
| | - John Ambler
- The International Small Group and Tree Planting Program, Vinalhaven, USA
| | - Chris Boulton
- Global Systems Institute, University of Exeter, Exeter, UK
| | - Arwen Nicholson
- Institute for Data Science and Artificial Intelligence, University of Exeter, Exeter, UK
| | - Rudy Arthur
- Institute for Data Science and Artificial Intelligence, University of Exeter, Exeter, UK
| | - Kirsten Lees
- Global Systems Institute, University of Exeter, Exeter, UK
| | - Hywel Williams
- Institute for Data Science and Artificial Intelligence, University of Exeter, Exeter, UK
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Treweek S, Banister K, Bower P, Cotton S, Devane D, Gardner HR, Isaacs T, Nestor G, Oshisanya A, Parker A, Rochester L, Soulsby I, Williams H, Witham MD. Developing the INCLUDE Ethnicity Framework-a tool to help trialists design trials that better reflect the communities they serve. Trials 2021; 22:337. [PMID: 33971916 PMCID: PMC8108025 DOI: 10.1186/s13063-021-05276-8] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 04/16/2021] [Indexed: 11/10/2022] Open
Abstract
Background Ensuring that a trial is designed so that its participants reflect those who might benefit from the results, or be spared harms, is key to the potential benefits of the trial reaching all they should. This paper describes the process, facilitated by Trial Forge, that was used between July 2019 and October 2020 to develop the INCLUDE Ethnicity Framework, part of the wider INCLUDE initiative from the National Institute for Health Research to improve inclusion of under-served groups in clinical research studies. Methods Development of the Framework was done in seven phases: (1) outline, (2) initial draft, (3) stakeholder meeting, (4) modify draft, (5) Stakeholder feedback, (6) applying the Framework and (7) packaging. Phases 2 and 3 were face-to-face meetings. Consultation with stakeholders was iterative, especially phases 4 to 6. Movement to the next phase was done once all or most stakeholders were comfortable with the results of the current phase. When there was a version of the Framework that could be considered final, the Framework was applied to six trials to create a set of examples (phase 6). Finally, the Framework, guidance and examples were packaged ready for dissemination (phase 7). Results A total of 40 people from stakeholder groups including patient and public partners, clinicians, funders, academics working with various ethnic groups, trial managers and methodologists contributed to the seven phases of development. The Framework comprises two parts. The first part is a list of four key questions:
Who should my trial apply to? Are the groups identified likely to respond in different ways? Will my study intervention make it harder for some groups to engage? Will the way I have designed the study make it harder for some groups to engage?
The second part is a set of worksheets to help trial teams address these questions. The Framework can be used for any stage of trial, for a healthcare intervention in any disease area. The Framework was launched on 1st October 2020 and is available open access at the Trial Forge website: https://www.trialforge.org/trial-forge-centre/include/. Conclusion Thinking about the number of people in our trials is not enough: we need to start thinking more carefully about who our participants are. Supplementary Information The online version contains supplementary material available at 10.1186/s13063-021-05276-8.
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Affiliation(s)
- Shaun Treweek
- Health Services Research Unit, University of Aberdeen, 3rd Floor, Health Sciences Building, Aberdeen, AB25 2ZD, UK.
| | - Katie Banister
- Health Services Research Unit, University of Aberdeen, 3rd Floor, Health Sciences Building, Aberdeen, AB25 2ZD, UK
| | - Peter Bower
- NIHR Clinical Research Network, Manchester Academic Health Science Centre, Centre for Primary Care and Health Services Research, University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Seonaidh Cotton
- Health Services Research Unit, University of Aberdeen, 3rd Floor, Health Sciences Building, Aberdeen, AB25 2ZD, UK
| | - Declan Devane
- National University of Ireland Galway, School of Nursing and Midwifery, University Road, Galway, Ireland
| | - Heidi R Gardner
- Health Services Research Unit, University of Aberdeen, 3rd Floor, Health Sciences Building, Aberdeen, AB25 2ZD, UK
| | - Talia Isaacs
- UCL Centre for Applied Linguistics, UCL Institute of Education, University College London, London, UK
| | - Gary Nestor
- NIHR Clinical Research Network Cluster E, Campus for Ageing and Vitality, Newcastle University, Newcastle, NE4 5PL, UK
| | | | - Adwoa Parker
- York Clinical Trials Unit, University of York, York, UK
| | - Lynn Rochester
- Translational and Clinical Research Institute; NIHR Clinical Research Network Cluster E, Campus for Ageing and Vitality, Newcastle University, Newcastle, NE4 5PL, UK
| | | | - Hywel Williams
- Centre of Evidence-Based Dermatology, Queen's Medical Centre, Nottingham University Hospitals NHS Trust, Nottingham, NG7 2UH, UK
| | - Miles D Witham
- NIHR Newcastle Biomedical Research Centre, Campus for Ageing and Vitality, Newcastle University and Newcastle upon Tyne NHS Trust, Newcastle, NE4 5PL, UK
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Gibson R, Macleod N, Donaldson L, Williams H, Sheikh A, Carson-Stevens A. A mixed-methods analysis of patient safety incidents involving opioid substitution treatment with methadone or buprenorphine in community-based care in England and Wales. Eur Psychiatry 2021. [PMCID: PMC9475774 DOI: 10.1192/j.eurpsy.2021.1488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
IntroductionThere is a paucity of knowledge and understanding of medical error in opioid substitution treatment programmes.ObjectivesTo characterise patient safety incidents involving opioid-substitution treatment with methadone or buprenorphine in community-based care to identify the sources and nature of harm, describe and interpret themes and use this qualitative analysis to identify priorities to focus future improvement work.MethodsWe undertook a mixed-methods study examining incidents involving opioid substitution treatment with methadone or buprenorphine in community-based care submitted between 2005 and 2015 from the National Reporting and Learning System, a repository of incident reports from England and Wales. We analysed each report using four frameworks to identify incident type, contributory factors, incident outcome and severity of harm. Analysis involved detailed data coding and iterative generation of data summaries using descriptive statistical and thematic analysis.Results2,284 reports were identified. We found that most risks of harm came from failure in one of four processes of care delivery: prescribing opiate-substitution (n=151); supervised dispensing errors (n=248); non-supervised dispensing errors (n=318); and monitoring and communication activities (n=1544). Most incidents resulting in harm involved supervised or non-supervised dispensing (n=91/127, 72%). Staff- (e.g. mistakes, not following protocols) and organisation-related (e.g. poor working conditions or poor continuity of care between services) contributory factors were present for over half of incidents.ConclusionsWe have identified four processes of care delivery and associated contributory factors, which represent potential target areas for healthcare systems worldwide to develop interventions to improve the safe delivery of opioid substitution treatment.
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Bradley R, Williams H, Takats Z. EPS3.02 Using rapid evaporative ionisation mass spectrometry (REIMS) for biomarker discovery and mechanistic studies of Pseudomonas aeruginosa stress responses. J Cyst Fibros 2021. [DOI: 10.1016/s1569-1993(21)01019-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Madan I, Parsons V, Ntani G, Wright A, English J, Coggon D, McCrone P, Smedley J, Rushton L, Murphy C, Cookson B, Lavender T, Williams H. A behaviour change package to prevent hand dermatitis in nurses working in health care: the SCIN cluster RCT. Health Technol Assess 2020; 23:1-92. [PMID: 31635689 DOI: 10.3310/hta23580] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Although strategies have been developed to minimise the risk of occupational hand dermatitis in nurses, their clinical effectiveness and cost-effectiveness remain unclear. OBJECTIVES The Skin Care Intervention in Nurses trial tested the hypothesis that a behaviour change package intervention, coupled with provision of hand moisturisers, could reduce the point prevalence of hand dermatitis when compared with standard care among nurses working in the NHS. The secondary aim was to assess the impact of the intervention on participants' beliefs and behaviour regarding hand care, and the cost-effectiveness of the intervention in comparison with normal care. DESIGN Cluster randomised controlled trial. SETTING Thirty-five NHS hospital trusts/health boards/universities. PARTICIPANTS First-year student nurses with a history of atopic tendency, and full-time intensive care unit nurses. INTERVENTION Sites were randomly allocated to be 'intervention plus' or 'intervention light'. Participants at 'intervention plus' sites received access to a bespoke online behaviour change package intervention, coupled with personal supplies of moisturising cream (student nurses) and optimal availability of moisturising cream (intensive care unit nurses). Nurses at 'intervention light' sites received usual care, including a dermatitis prevention leaflet. MAIN OUTCOME MEASURE The difference between intervention plus and intervention light sites in the change of point prevalence of visible hand dermatitis was measured from images taken at baseline and at follow-up. RANDOMISATION Fourteen sites were randomised to the intervention plus arm, and 21 sites were randomised to the intervention light arm. BLINDING The participants, trial statistician, methodologist and the dermatologists interpreting the hand photographs were blinded to intervention assignment. NUMBERS ANALYSED An intention-to-treat analysis was conducted on data from 845 student nurses and 1111 intensive care unit nurses. RESULTS The intention-to-treat analysis showed no evidence that the risk of developing dermatitis was greater in the intervention light group than in the intervention plus group (student nurses: odds ratio 1.25, 95% confidence interval 0.59 to 2.69; intensive care unit nurses: odds ratio 1.41, 95% confidence interval 0.81 to 2.44). Both groups had high levels of baseline beliefs about the benefits of using hand moisturisers before, during and after work. The frequency of use of hand moisturisers before, during and after shifts was significantly higher in the intensive care unit nurses in the intervention plus arm at follow-up than in the comparator group nurses. For student nurses, the intervention plus group mean costs were £2 lower than those for the comparator and 0.00002 more quality-adjusted life-years were gained. For intensive care unit nurses, costs were £4 higher and 0.0016 fewer quality-adjusted life-years were gained. HARMS No adverse events were reported. LIMITATIONS Only 44.5% of participants in the intervention plus arm accessed the behaviour change package. CONCLUSION The intervention did not result in a statistically significant decrease in the prevalence of hand dermatitis in the intervention plus group. FUTURE WORK Participants had a high level of baseline beliefs about the importance of using hand moisturisers before, during and after work. Future research should focus on how workplace culture can be changed in order for that knowledge to be actioned. TRIAL REGISTRATION Current Controlled Trials ISRCTN53303171. FUNDING This project was funded by the National Institute for Health Research (NIHR) Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 23, No. 58. See the NIHR Journals Library website for further project information.
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Affiliation(s)
- Ira Madan
- Occupational Health Service, Guy's and St Thomas' NHS Foundation Trust, London, UK.,King's College London, London, UK
| | - Vaughan Parsons
- Occupational Health Service, Guy's and St Thomas' NHS Foundation Trust, London, UK.,King's College London, London, UK
| | - Georgia Ntani
- Medical Research Council Lifecourse Epidemiology Unit, University of Southampton, Southampton, UK
| | - Alison Wright
- Centre for Behaviour Change, Department of Clinical, Educational and Health Psychology, University College London, London, UK
| | - John English
- Dermatology, Circle Nottingham NHS Treatment Centre, Nottingham, UK
| | - David Coggon
- Medical Research Council Lifecourse Epidemiology Unit, University of Southampton, Southampton, UK
| | - Paul McCrone
- Centre for the Economics of Mental and Physical Health, King's College London, London, UK
| | - Julia Smedley
- Occupational Health Service, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Lesley Rushton
- Epidemiology and Biostatistics, Imperial College London, London, UK
| | - Caroline Murphy
- King's Clinical Trial Unit, King's College London, London, UK
| | - Barry Cookson
- Medical Microbiology, University College London, London, UK
| | - Tina Lavender
- School of Nursing, Midwifery and Social Work, University of Manchester, Manchester, UK
| | - Hywel Williams
- Centre of Evidence Based Dermatology, University of Nottingham, Nottingham, UK
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Boutron I, Créquit P, Williams H, Meerpohl J, Craig JC, Ravaud P. Future of evidence ecosystem series: 1. Introduction Evidence synthesis ecosystem needs dramatic change. J Clin Epidemiol 2020; 123:135-142. [DOI: 10.1016/j.jclinepi.2020.01.024] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 12/23/2019] [Accepted: 01/07/2020] [Indexed: 12/13/2022]
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McLean KA, Ahmed WUR, Akhbari M, Claireaux HA, English C, Frost J, Henshall DE, Khan M, Kwek I, Nicola M, Rehman S, Varghese S, Drake TM, Bell S, Nepogodiev D, McLean KA, Drake TM, Glasbey JC, Borakati A, Drake TM, Kamarajah S, McLean KA, Bath MF, Claireaux HA, Gundogan B, Mohan M, Deekonda P, Kong C, Joyce H, Mcnamee L, Woin E, Burke J, Khatri C, Fitzgerald JE, Harrison EM, Bhangu A, Nepogodiev D, Arulkumaran N, Bell S, Duthie F, Hughes J, Pinkney TD, Prowle J, Richards T, Thomas M, Dynes K, Patel M, Patel P, Wigley C, Suresh R, Shaw A, Klimach S, Jull P, Evans D, Preece R, Ibrahim I, Manikavasagar V, Smith R, Brown FS, Deekonda P, Teo R, Sim DPY, Borakati A, Logan AE, Barai I, Amin H, Suresh S, Sethi R, Bolton W, Corbridge O, Horne L, Attalla M, Morley R, Robinson C, Hoskins T, McAllister R, Lee S, Dennis Y, Nixon G, Heywood E, Wilson H, Ng L, Samaraweera S, Mills A, Doherty C, Woin E, Belchos J, Phan V, Chouari T, Gardner T, Goergen N, Hayes JDB, MacLeod CS, McCormack R, McKinley A, 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JCK, Atkin G, Azizi A, Cargill Z, China Z, Elliot J, Jebakumar R, Lam J, Mudalige G, Onyerindu C, Renju M, Babu VS, Hussain M, Joji N, Lovett B, Mownah H, Ali B, Cresswell B, Dhillon AK, Dupaguntla YS, Hungwe C, Lowe-Zinola JD, Tsang JCH, Bevan K, Cardus C, Duggal A, Hossain S, McHugh M, Scott M, Chan F, Evans R, Gurung E, Haughey B, Jacob-Ramsdale B, Kerr M, Lee J, McCann E, O'Boyle K, Reid N, Hayat F, Hodgson S, Johnston R, Jones W, Khan M, Linn T, Long S, Seetharam P, Shaman S, Smart B, Anilkumar A, Davies J, Griffith J, Hughes B, Islam Y, Kidanu D, Mushaini N, Qamar I, Robinson H, Schramm M, Tan CY, Apperley H, Billyard C, Blazeby JM, Cannon SP, Carse S, Göpfert A, Loizidou A, Parkin J, Sanders E, Sharma S, Slade G, Telfer R, Huppatz IW, Worley E, Chandramoorthy L, Friend C, Harris L, Jain P, Karim MJ, Killington K, McGillicuddy J, Rafferty C, Rahunathan N, Rayne T, Varathan Y, Verma N, Zanichelli D, Arneill M, Brown F, Campbell B, Crozier L, Henry J, McCusker C, Prabakaran P, 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BL, Tseu B, Wei R, Yang N, Britton N, Leinhardt D, Mahfooz M, Palkhi A, Price M, Sheikh S, Barker M, Bowley D, Cant M, Datta U, Farooqi M, Lee A, Morley G, Amin MN, Parry A, Patel S, Strang S, Yoganayagam N, Adlan A, Chandramoorthy S, Choudhary Y, Das K, Feldman M, France B, Grace R, Puddy H, Soor P, Ali M, Dhillon P, Faraj A, Gerard L, Glover M, Imran H, Kim S, Patrick Y, Peto J, Prabhudesai A, Smith R, Tang A, Vadgama N, Dhaliwal R, Ecclestone T, Harris A, Ong D, Patel D, Philp C, Stewart E, Wang L, Wong E, Xu Y, Ashaye T, Fozard T, Galloway F, Kaptanis S, Mistry P, Nguyen T, Olagbaiye F, Osman M, Philip Z, Rembacken R, Tayeh S, Theodoropoulou K, Herman A, Lau J, Saha A, Trotter M, Adeleye O, Cave D, Gunwa T, Magalhães J, Makwana S, Mason R, Parish M, Regan H, Renwick P, Roberts G, Salekin D, Sivakumar C, Tariq A, Liew I, McDade A, Stewart D, Hague M, Hudson-Peacock N, Jackson CES, James F, Pitt J, Walker EY, Aftab R, Ang JJ, Anwar S, Battle J, Budd E, Chui J, Crook H, Davies P, 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Tilliridou V, Wright R, Ye W, Alturki N, Helliwell R, Jones E, Kelly D, Lambotharan S, Scott K, Sivakumar R, Victor L, Boraluwe-Rallage H, Froggatt P, Haynes S, Hung YMA, Keyte A, Matthews L, Evans E, Haray P, John I, Mathivanan A, Morgan L, Oji O, Okorocha C, Rutherford A, Spiers H, Stageman N, Tsui A, Whitham R, Amoah-Arko A, Cecil E, Dietrich A, Fitzpatrick H, Guy C, Hair J, Hilton J, Jawad L, McAleer E, Taylor Z, Yap J, Akhbari M, Debnath D, Dhir T, Elbuzidi M, Elsaddig M, Glace S, Khawaja H, Koshy R, Lal K, Lobo L, McDermott A, Meredith J, Qamar MA, Vaidya A, Acquaah F, Barfi L, Carter N, Gnanappiragasam D, Ji C, Kaminski F, Lawday S, Mackay K, Sulaiman SK, Webb R, Ananthavarathan P, Dalal F, Farrar E, Hashemi R, Hossain M, Jiang J, Kiandee M, Lex J, Mason L, Matthews JH, McGeorge E, Modhwadia S, Pinkney T, Radotra A, Rickard L, Rodman L, Sales A, Tan KL, Bachi A, Bajwa DS, Battle J, Brown LR, Butler A, Calciu A, Davies E, Gardner I, Girdlestone T, Ikogho O, Keelan G, O'Loughlin P, Tam J, Elias J, Ngaage M, Thompson J, Bristow S, Brock E, Davis H, Pantelidou M, Sathiyakeerthy A, Singh K, Chaudhry A, Dickson G, Glen P, Gregoriou K, Hamid H, Mclean A, Mehtaji P, Neophytou G, Potts S, Belgaid DR, Burke J, Durno J, Ghailan N, Hanson M, Henshaw V, Nazir UR, Omar I, Riley BJ, Roberts J, Smart G, Van Winsen K, Bhatti A, Chan M, D'Auria M, Green S, Keshvala C, Li H, Maxwell-Armstrong C, Michaelidou M, Simmonds L, Smith C, Wimalathasan A, Abbas J, Cairns C, Chin YR, Connelly A, Moug S, Nair A, Svolkinas D, Coe P, Subar D, Wang H, Zaver V, Brayley J, Cookson P, Cunningham L, Gaukroger A, Ho M, Hough A, King J, O'Hagan D, Widdison A, Brown R, Brown B, Chavan A, Francis S, Hare L, Lund J, Malone N, Mavi B, McIlwaine A, Rangarajan S, Abuhussein N, Campbell HS, Daniels J, Fitzgerald I, Mansfield S, Pendrill A, Robertson D, Smart YW, Teng T, Yates J, Belgaumkar A, Katira A, Kossoff J, Kukran S, Laing C, Mathew B, Mohamed T, Myers S, Novell R, Phillips BL, Thomas M, Turlejski T, Turner S, Varcada M, Warren L, Wynell-Mayow W, Church R, Linley-Adams L, Osborn G, Saunders M, Spencer R, Srikanthan M, Tailor S, Tullett A, Ali M, Al-Masri S, Carr G, Ebhogiaye O, Heng S, Manivannan S, Manley J, McMillan LE, Peat C, Phillips B, Thomas S, Whewell H, Williams G, Bienias A, Cope EA, Courquin GR, Day L, Garner C, Gimson A, Harris C, Markham K, Moore T, Nadin T, Phillips C, Subratty SM, Brown K, Dada J, Durbacz M, Filipescu T, Harrison E, Kennedy ED, Khoo E, Kremel D, Lyell I, Pronin S, Tummon R, Ventre C, Walls L, Wootton E, Akhtar A, Davies E, El-Sawy D, Farooq M, Gaddah M, Griffiths H, Katsaiti I, Khadem N, Leong K, Williams I, Chean CS, Chudek D, Desai H, Ellerby N, Hammad A, Malla S, Murphy B, Oshin O, Popova P, Rana S, Ward T, Abbott TEF, Akpenyi O, Edozie F, El Matary R, English W, Jeyabaladevan S, Morgan C, Naidu V, Nicholls K, Peroos S, Prowle J, Sansome S, Torrance HD, Townsend D, Brecher J, Fung H, Kazmi Z, Outlaw P, Pursnani K, Ramanujam N, Razaq A, Sattar 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Das E, Epstein J, Gentry R, Mills D, Poolovadoo Y, Ward N, Bull K, Cole A, Hack J, Khawari S, Lake C, Mandishona T, Perry R, Sleight S, Sultan S, Thornton T, Williams S, Arif T, Castle A, Chauhan P, Chesner R, Eilon T, Kamarajah S, Kambasha C, Lock L, Loka T, Mohammad F, Motahariasl S, Roper L, Sadhra SS, Sheikh A, Toma T, Wadood Q, Yip J, Ainger E, Busti S, Cunliffe L, Flamini T, Gaffing S, Moorcroft C, Peter M, Simpson L, Stokes E, Stott G, Wilson J, York J, Yousaf A, Borakati A, Brown M, Goaman A, Hodgson B, Ijeomah A, Iroegbu U, Kaur G, Lowe C, Mahmood S, Sattar Z, Sen P, Szuman A, Abbas N, Al-Ausi M, Anto N, Bhome R, Eccles L, Elliott J, Hughes EJ, Jones A, Karunatilleke AS, Knight JS, Manson CCF, Mekhail I, Michaels L, Noton TM, Okenyi E, Reeves T, Yasin IH, Banfield DA, Harris R, Lim D, Mason-Apps C, Roe T, Sandhu J, Shafiq N, Stickler E, Tam JP, Williams LM, Ainsworth P, Boualbanat Y, Doull C, Egan E, Evans L, Hassanin K, Ninkovic-Hall G, Odunlami W, Shergill M, Traish M, Cummings D, Kershaw S, Ong J, Reid F, Toellner H, Alwandi A, Amer M, George D, Haynes K, Hughes K, Peakall L, Premakumar Y, Punjabi N, Ramwell A, Sawkins H, Ashwood J, Baker A, Baron C, Bhide I, Blake E, De Cates C, Esmail R, Hosamuddin H, Kapp J, Nguru N, Raja M, Thomson F, Ahmed H, Aishwarya G, Al-Huneidi R, Ali S, Aziz R, Burke D, Clarke B, Kausar A, Maskill D, Mecia L, Myers L, Smith ACD, Walker G, Wroe N, Donohoe C, Gibbons D, Jordan P, Keogh C, Kiely A, Lalor P, McCrohan M, Powell C, Foley MP, Reynolds J, Silke E, Thorpe O, Kong JTH, White C, Ali Q, Dalrymple J, Ge Y, Khan H, Luo RS, Paine H, Paraskeva B, Parker L, Pillai K, Salciccioli J, Selvadurai S, Sonagara V, Springford LR, Tan L, Appleton S, Leadholm N, Zhang Y, Ahern D, Cotter M, Cremen S, Durrigan T, Flack V, Hrvacic N, Jones H, Jong B, Keane K, O'Connell PR, O'sullivan J, Pek G, Shirazi S, Barker C, Brown A, Carr W, Chen Y, Guillotte C, Harte J, Kokayi A, Lau K, McFarlane S, Morrison S, Broad J, Kenefick N, Makanji D, 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Livesey C, McLachlan G, Mohammad M, Pranesh N, Richards C, Ross F, Sajid M, Brooke M, Francombe J, Gresly J, Hutchinson S, Kerrigan K, Matthews E, Nur S, Parsons L, Sandhu A, Vyas M, White F, Zulkifli A, Zuzarte L, Al-Mousawi A, Arya J, Azam S, Yahaya AA, Gill K, Hallan R, Hathaway C, Leptidis I, McDonagh L, Mitrasinovic S, Mushtaq N, Pang N, Peiris GB, Rinkoff S, Chan L, Christopher E, Farhan-Alanie MMH, Gonzalez-Ciscar A, Graham CJ, Lim H, McLean KA, Paterson HM, Rogers A, Roy C, Rutherford D, Smith F, Zubikarai G, Al-Khudairi R, Bamford M, Chang M, Cheng J, Hedley C, Joseph R, Mitchell B, Perera S, Rothwell L, Siddiqui A, Smith J, Taylor K, Wright OW, Baryan HK, Boyd G, Conchie H, Cox L, Davies J, Gardner S, Hill N, Krishna K, Lakin F, Scotcher S, Alberts J, Asad M, Barraclough J, Campbell A, Marshall D, Wakeford W, Cronbach P, D'Souza F, Gammeri E, Houlton J, Hall M, Kethees A, Patel R, Perera M, Prowle J, Shaid M, Webb E, Beattie S, Chadwick M, El-Taji O, Haddad S, Mann M, Patel M, Popat K, Rimmer L, Riyat H, Smith H, Anandarajah C, Cipparrone M, Desai K, Gao C, Goh ET, Howlader M, Jeffreys N, Karmarkar A, Mathew G, Mukhtar H, Ozcan E, Renukanthan A, Sarens N, Sinha C, Woolley A, Bogle R, Komolafe O, Loo F, Waugh D, Zeng R, Crewe A, Mathias J, Mills A, Owen A, Prior A, Saunders I, Baker A, Crilly L, McKeon J, Ubhi HK, Adeogun A, Carr R, Davison C, Devalia S, Hayat A, Karsan RB, Osborne C, Scott K, Weegenaar C, Wijeyaratne M, Babatunde F, Barnor-Ahiaku E, Beattie G, Chitsabesan P, Dixon O, Hall N, Ilenkovan N, Mackrell T, Nithianandasivam N, Orr J, Palazzo F, Saad M, Sandland-Taylor L, Sherlock J, Ashdown T, Chandler S, Garsaa T, Lloyd J, Loh SY, Ng S, Perkins C, Powell-Chandler A, Smith F, Underhill R. Perioperative intravenous contrast administration and the incidence of acute kidney injury after major gastrointestinal surgery: prospective, multicentre cohort study. Br J Surg 2020; 107:1023-1032. [PMID: 32026470 DOI: 10.1002/bjs.11453] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 09/21/2019] [Accepted: 11/08/2019] [Indexed: 01/14/2023]
Abstract
BACKGROUND This study aimed to determine the impact of preoperative exposure to intravenous contrast for CT and the risk of developing postoperative acute kidney injury (AKI) in patients undergoing major gastrointestinal surgery. METHODS This prospective, multicentre cohort study included adults undergoing gastrointestinal resection, stoma reversal or liver resection. Both elective and emergency procedures were included. Preoperative exposure to intravenous contrast was defined as exposure to contrast administered for the purposes of CT up to 7 days before surgery. The primary endpoint was the rate of AKI within 7 days. Propensity score-matched models were adjusted for patient, disease and operative variables. In a sensitivity analysis, a propensity score-matched model explored the association between preoperative exposure to contrast and AKI in the first 48 h after surgery. RESULTS A total of 5378 patients were included across 173 centres. Overall, 1249 patients (23·2 per cent) received intravenous contrast. The overall rate of AKI within 7 days of surgery was 13·4 per cent (718 of 5378). In the propensity score-matched model, preoperative exposure to contrast was not associated with AKI within 7 days (odds ratio (OR) 0·95, 95 per cent c.i. 0·73 to 1·21; P = 0·669). The sensitivity analysis showed no association between preoperative contrast administration and AKI within 48 h after operation (OR 1·09, 0·84 to 1·41; P = 0·498). CONCLUSION There was no association between preoperative intravenous contrast administered for CT up to 7 days before surgery and postoperative AKI. Risk of contrast-induced nephropathy should not be used as a reason to avoid contrast-enhanced CT.
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Williams H, Calvo I, Gaines A, Kalff S, Sajik D, Kulendra NJ, Meeson RL, Parsons K, Farrell M, Kulendra ER. Multi-centre retrospective study of the long-term outcome following suspected traumatic elbow luxation in 32 cats. J Small Anim Pract 2020; 61:354-362. [PMID: 32346883 DOI: 10.1111/jsap.13143] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 03/18/2020] [Accepted: 03/19/2020] [Indexed: 11/28/2022]
Abstract
OBJECTIVES To describe reduction techniques and clinical outcome in a series of traumatic elbow luxations in cats. MATERIALS AND METHODS Retrospective review of unilateral elbow luxations treated at five specialist referral centres. Data included signalment, aetiology, concurrent injuries, luxation direction, time to reduction, primary reduction technique, surgical procedure and complications. Cases were excluded if reduction technique was unknown. Telephone owner questionnaire follow-up was completed using a Feline Musculoskeletal Pain Index. RESULTS Thirty-two cats were included. Lateral luxations were most common (n = 21). Time (hours) until attempted initial closed reduction was <24 (n = 12), 24-48 (n = 13), >48 (n = 3) or unrecorded (n = 4). Luxation was treated by closed reduction alone (n = 7) or by surgery (n = 25); 14 of 25 cases underwent primary surgical reduction and 11 of 25 were secondary procedures following failure of closed reduction. Transcondylar bone tunnels and circumferential suture (n = 19) was the most commonly used surgical technique. Catastrophic (n = 1), major (n = 11) and minor complications (n = 5) were recorded; reluxation occurred more frequently after closed reduction (n = 8) than after open reduction with fixation (n = 0). Feline Musculoskeletal Pain Index data were available for 12 cats; outcome was good-excellent in all 12, with a median function score of 64.5/68 (range: 55-68) and a median pain score of 0/15 (range: 0-5). Outcome was not associated with reduction technique. CLINICAL SIGNIFICANCE Elbow reluxation occurred in 61% of cats following primary closed reduction but did not occur in any open reduction cases. Reluxation rate increased with duration from injury. Most cats had good-excellent owner-assessed outcome, regardless of reduction technique.
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Affiliation(s)
- H Williams
- Queen Mother Hospital for Animals, RVC, North Mymms, Hertfordshire, AL97TA, UK
| | - I Calvo
- Queen Mother Hospital for Animals, RVC, North Mymms, Hertfordshire, AL97TA, UK.,VETSIA Hospital Veterinario, Madrid, 28914, Spain
| | - A Gaines
- Animal Trust not for Profit Veterinary Surgeons, M359AA, UK
| | - S Kalff
- Fitzpatrick Referrals, Surrey, GU72QQ, UK
| | - D Sajik
- Queen Mother Hospital for Animals, RVC, North Mymms, Hertfordshire, AL97TA, UK
| | - N J Kulendra
- North Downs Specialist Referrals, Bletchingley, Surrey, RH14QP, UK
| | - R L Meeson
- Queen Mother Hospital for Animals, RVC, North Mymms, Hertfordshire, AL97TA, UK
| | - K Parsons
- Langford Veterinary Services, University of Bristol, Langford House, Langford, Bristol, BS405DU, UK
| | - M Farrell
- Davies Veterinary Specialists, Higham Gobion, Hitchin, SG53HR, UK
| | - E R Kulendra
- North Downs Specialist Referrals, Bletchingley, Surrey, RH14QP, UK
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19
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Cerbone M, Clement E, McClatchey M, Dobbin J, Gilbert C, Keane M, Boukhibar L, Williams H, Gagunashvili A, Dattani MT, Hurst J, Shah P. Sotos Syndrome Presenting with Neonatal Hyperinsulinaemic Hypoglycaemia, Extensive Thrombosis, and Multisystem Involvement. Horm Res Paediatr 2020; 92:64-70. [PMID: 30879005 DOI: 10.1159/000496545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Accepted: 12/27/2018] [Indexed: 11/19/2022] Open
Abstract
Initially described as an uncommon presenting feature of Sotos syndrome (SoS), over the last decades, congenital hyperinsulinaemic hypoglycaemia (CHI) has been increasingly reported in association with this condition. The mechanism responsible for CHI in SoS is unclear. We report the case of a neonate presenting with CHI and extensive venous and arterial thrombosis associated with kidney, heart, liver, skeleton, and brain abnormalities and finally diagnosed with SoS on whole genome sequencing. Our case describes an extended phenotype associated with SoS presenting with CHI (including thrombosis and liver dysfunction) and reinforces the association of transient CHI with SoS. The case also shows that an early neonatal diagnosis of rare genetic conditions is challenging, especially in acutely unwell patients, and that in complex cases with incomplete, atypical, or overlapping phenotypes, broad genomic testing by whole exome or whole genome sequencing may be a useful diagnostic strategy.
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Affiliation(s)
- Manuela Cerbone
- Department of Endocrinology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, United Kingdom, .,Section of Genetics and Epigenetics in Health and Disease, Genetics and Genomic Medicine Program, UCL Great Ormond Street Institute of Child Health London, London, United Kingdom,
| | - Emma Clement
- Department of Clinical Genetics, Great Ormond Street Hospital for Children NHS Foundation Trust, London, United Kingdom
| | - Martin McClatchey
- Department of Paediatrics, Barking Havering & Redbridge Trust, London, United Kingdom
| | - Joanna Dobbin
- Department of Paediatrics, Barking Havering & Redbridge Trust, London, United Kingdom
| | - Clare Gilbert
- Department of Endocrinology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, United Kingdom
| | - Morgan Keane
- Department of Paediatrics, Barking Havering & Redbridge Trust, London, United Kingdom
| | - Lamia Boukhibar
- GOSgene, Genetics and Genomic Medicine, UCL Great Ormond Street Institute of Child Health London, London, United Kingdom
| | - Hywel Williams
- GOSgene, Genetics and Genomic Medicine, UCL Great Ormond Street Institute of Child Health London, London, United Kingdom
| | - Andrey Gagunashvili
- GOSgene, Genetics and Genomic Medicine, UCL Great Ormond Street Institute of Child Health London, London, United Kingdom
| | - Mehul T Dattani
- Department of Endocrinology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, United Kingdom.,Section of Genetics and Epigenetics in Health and Disease, Genetics and Genomic Medicine Program, UCL Great Ormond Street Institute of Child Health London, London, United Kingdom
| | - Jane Hurst
- Department of Clinical Genetics, Great Ormond Street Hospital for Children NHS Foundation Trust, London, United Kingdom
| | - Pratik Shah
- Department of Endocrinology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, United Kingdom
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20
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Williams H, Boyce S, Lim J, Patel M, Jacobs C, Muirhead R. Rectal Squamous Cell Carcinomas - Are They Really Rectal? Clin Oncol (R Coll Radiol) 2020; 32:343-344. [PMID: 31992487 DOI: 10.1016/j.clon.2020.01.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 12/24/2019] [Accepted: 01/09/2020] [Indexed: 11/16/2022]
Affiliation(s)
- H Williams
- Department of Medicine, Oxford University Hospitals NHS Trust, Oxford, UK
| | - S Boyce
- Department of Surgery, Oxford University Hospitals NHS Trust, Oxford, UK
| | - J Lim
- Department of Surgery, Great Western Hospitals NHS Foundation Trust, Swindon, UK
| | - M Patel
- Department of Surgery, Oxford University Hospitals NHS Trust, Oxford, UK
| | - C Jacobs
- Department of Oncology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - R Muirhead
- Department of Oncology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
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21
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Curiale MS, Gangar V, D’onorio A, Gambrel-Lenarz S, Mcallister JS, Bailey B, Bednar AM, Bowen B, Brown D, Bulthaus M, Cash J, Cirigliano M, Cox M, D’onorio A, David OE, Fraser J, Frye K, Gangar V, Gambrel-Lenarz S, Hanlin J, Helbig T, Johnson J, Jost-Keating K, Kora L, Koeritzer R, Kozlowski S, Kraemer M, Lally S, Lambeth B, Lawlor K, Lewandowski V, Lopez S, McDonald S, Mclntyre S, Naq M, Pierson M, Reinhard J, Richter D, Saunders L, Simpson P, Smoot L, Tong MS, Warburton D, Williams H, Wilson-Perry A, Yuan J. High-Sensitivity Dry Rehydratable Film Method for Enumeration of Coliforms in Dairy Products: Collaborative Study. J AOAC Int 2020. [DOI: 10.1093/jaoac/80.3.505] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
A dry-film coliform count plate that is inoculated with 5 mL sample was compared with the Violet Red Bile Agar plate method in a collaborative study by 18 laboratories. Products analyzed were 2% milk, chocolate milk, cream, vanilla ice cream, cottage cheese, and cheese. Collaborators tested blind duplicate uninoculated samples and samples inoculated at low, medium, and high level. Significantly (P< 0.05) higher numbers of coliforms were recovered by the dry-film method from 2% milk samples at the 3 inoculum levels, the chocolate milk at the low- and high-inoculum levels, and the cream at the high-inoculum level. Significantly higher counts were obtained by the agar method for cottage cheese samples at the low-inoculum level. The repeatability standard deviation for the dry-film method was significantly higher for the high-inoculum level chocolate milk sample and the medium-inoculum level cottage cheese. The same statistic was significantly higher for the agar method at all 3 inoculum levels in the 2% milk and the medium-inoculum level cream. The high-sensitivity dry rehydratable film method for enumeration of coliforms in dairy products has been adopted first action by AOAC INTERNATIONAL.
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Affiliation(s)
- Michael S Curiale
- Silliker Laboratories Group, Inc., Corporate Research Center, 160 Armory Dr, South Holland, IL 60473
| | - Vidhya Gangar
- Silliker Laboratories Group, Inc., Corporate Research Center, 160 Armory Dr, South Holland, IL 60473
| | - Armando D’onorio
- Silliker Laboratories Group, Inc., Corporate Research Center, 160 Armory Dr, South Holland, IL 60473
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22
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Treweek S, Bevan S, Bower P, Briel M, Campbell M, Christie J, Collett C, Cotton S, Devane D, El Feky A, Galvin S, Gardner H, Gillies K, Hood K, Jansen J, Littleford R, Parker A, Ramsay C, Restrup L, Sullivan F, Torgerson D, Tremain L, von Elm E, Westmore M, Williams H, Williamson PR, Clarke M. Trial Forge Guidance 2: how to decide if a further Study Within A Trial (SWAT) is needed. Trials 2020; 21:33. [PMID: 31910861 PMCID: PMC6945587 DOI: 10.1186/s13063-019-3980-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 12/09/2019] [Indexed: 12/29/2022] Open
Abstract
The evidence base available to trialists to support trial process decisions—e.g. how best to recruit and retain participants, how to collect data or how to share the results with participants—is thin. One way to fill gaps in evidence is to run Studies Within A Trial, or SWATs. These are self-contained research studies embedded within a host trial that aim to evaluate or explore alternative ways of delivering or organising a particular trial process. SWATs are increasingly being supported by funders and considered by trialists, especially in the UK and Ireland. At some point, increasing SWAT evidence will lead funders and trialists to ask: given the current body of evidence for a SWAT, do we need a further evaluation in another host trial? A framework for answering such a question is needed to avoid SWATs themselves contributing to research waste. This paper presents criteria on when enough evidence is available for SWATs that use randomised allocation to compare different interventions.
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Affiliation(s)
- Shaun Treweek
- Health Services Research Unit, University of Aberdeen, Aberdeen, UK.
| | - Simon Bevan
- National Institute for Health Research Evaluation, Trials and Studies Coordinating Centre, Southampton, UK
| | - Peter Bower
- MRC North West Hub for Trials Methodology Research, Centre for Primary Care and Health Services Research, University of Manchester, Manchester, UK
| | - Matthias Briel
- Department of Clinical Research, Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Marion Campbell
- Health Services Research Unit, University of Aberdeen, Aberdeen, UK
| | | | | | - Seonaidh Cotton
- Health Services Research Unit, University of Aberdeen, Aberdeen, UK
| | - Declan Devane
- HRB-Trials Methodology Research Network, National University of Ireland Galway, Galway, Ireland
| | - Adel El Feky
- Health Services Research Unit, University of Aberdeen, Aberdeen, UK
| | - Sandra Galvin
- HRB-Trials Methodology Research Network, National University of Ireland Galway, Galway, Ireland
| | - Heidi Gardner
- Health Services Research Unit, University of Aberdeen, Aberdeen, UK
| | - Katie Gillies
- Health Services Research Unit, University of Aberdeen, Aberdeen, UK
| | - Kerenza Hood
- Centre for Trials Research, College of Biomedical & Life Sciences, Cardiff University, Cardiff, UK
| | - Jan Jansen
- Division of Acute Care Surgery, University of Alabama at Birmingham, Birmingham, USA
| | - Roberta Littleford
- University of Queensland Centre for Clinical Research, University of Queensland, Brisbane, Australia
| | | | - Craig Ramsay
- Health Services Research Unit, University of Aberdeen, Aberdeen, UK
| | | | - Frank Sullivan
- School of Medicine, St Andrews University, St Andrews, UK
| | | | - Liz Tremain
- National Institute for Health Research Evaluation, Trials and Studies Coordinating Centre, Southampton, UK
| | - Erik von Elm
- Cochrane Switzerland, Institute of Social and Preventive Medicine (IUMSP), Lausanne University Hospital, Lausanne, Switzerland
| | - Matthew Westmore
- National Institute for Health Research Evaluation, Trials and Studies Coordinating Centre, Southampton, UK
| | - Hywel Williams
- Centre of Evidence-Based Dermatology, Queen's Medical Centre, Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - Paula R Williamson
- MRC North West Hub for Trials Methodology Research, Department of Biostatistics University of Liverpool, Liverpool, UK
| | - Mike Clarke
- Northern Ireland Methodology Hub, Queen's University Belfast, Belfast, UK
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23
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Smires S, Afach S, Mazaud C, Phan C, Garcia Doval I, Boyle R, Dellavalle R, Williams H, Grindlay D, Sbidian E, Le Cleach L. Méthodologie et description des revues systématiques et méta-analyses en dermatologie. Ann Dermatol Venereol 2019. [DOI: 10.1016/j.annder.2019.09.374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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24
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Nieto-Orellana A, Li H, Rosiere R, Wauthoz N, Williams H, Monteiro CJ, Bosquillon C, Childerhouse N, Keegan G, Coghlan D, Mantovani G, Stolnik S. Targeted PEG-poly(glutamic acid) complexes for inhalation protein delivery to the lung. J Control Release 2019; 316:250-262. [PMID: 31678655 DOI: 10.1016/j.jconrel.2019.10.012] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 09/02/2019] [Accepted: 10/06/2019] [Indexed: 12/18/2022]
Abstract
Pulmonary delivery is increasingly seen as an attractive, non-invasive route for the delivery of forthcoming protein therapeutics. In this context, here we describe protein complexes with a new 'complexing excipient' - vitamin B12-targeted poly(ethylene glycol)-block-poly(glutamic acid) copolymers. These form complexes in sub-200nm size with a model protein, suitable for cellular targeting and intracellular delivery. Initially we confirmed expression of vitamin B12-internalization receptor (CD320) by Calu-3 cells of the in vitro lung epithelial model used, and demonstrated enhanced B12 receptor-mediated cellular internalization of B12-targeted complexes, relative to non-targeted counterparts or protein alone. To develop an inhalation formulation, the protein complexes were spray dried adopting a standard protocol into powders with aerodynamic diameter within the suitable range for lower airway deposition. The cellular internalization of targeted complexes from dry powders applied directly to Calu-3 model was found to be 2-3 fold higher compared to non-targeted complexes. The copolymer complexes show no complement activation, and in vivo lung tolerance studies demonstrated that repeated administration of formulated dry powders over a 3 week period in healthy BALB/c mice induced no significant toxicity or indications of lung inflammation, as assessed by cell population count and quantification of IL-1β, IL-6, and TNF-α pro-inflammatory markers. Importantly, the in vivo data appear to suggest that B12-targeted polymer complexes administered as dry powder enhance lung retention of their protein payload, relative to protein alone and non-targeted counterparts. Taken together, our data illustrate the potential developability of novel B12-targeted poly(ethylene glycol)-poly(glutamic acid) copolymers as excipients suitable to be formulated into a dry powder product for the inhalation delivery of proteins, with no significant lung toxicity, and with enhanced protein retention at their in vivo target tissue.
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Affiliation(s)
- A Nieto-Orellana
- Molecular Therapeutics and Formulation Division, School of Pharmacy, University of Nottingham, Nottingham, UK
| | - H Li
- Molecular Therapeutics and Formulation Division, School of Pharmacy, University of Nottingham, Nottingham, UK
| | - R Rosiere
- Laboratory of Pharmaceutics and Biopharmaceutics (ULBGAL), Université Libre de Bruxelles, Bruxelles, BE, Belgium
| | - N Wauthoz
- Laboratory of Pharmaceutics and Biopharmaceutics (ULBGAL), Université Libre de Bruxelles, Bruxelles, BE, Belgium
| | - H Williams
- Centre for Biomolecular Sciences, University of Nottingham, Nottingham, UK
| | - C J Monteiro
- Molecular Therapeutics and Formulation Division, School of Pharmacy, University of Nottingham, Nottingham, UK
| | - C Bosquillon
- Molecular Therapeutics and Formulation Division, School of Pharmacy, University of Nottingham, Nottingham, UK
| | | | - G Keegan
- Vectura Group plc, Chippenhafm, UK
| | | | - G Mantovani
- Molecular Therapeutics and Formulation Division, School of Pharmacy, University of Nottingham, Nottingham, UK.
| | - S Stolnik
- Molecular Therapeutics and Formulation Division, School of Pharmacy, University of Nottingham, Nottingham, UK.
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25
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Turner-Stokes L, Rose H, Lakra C, Williams H, Ashford SA, Siegert RJ. Goal-setting and attainment in prolonged disorders of consciousness – development of a structured approach. Brain Inj 2019; 34:78-88. [PMID: 31661982 DOI: 10.1080/02699052.2019.1682190] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- L. Turner-Stokes
- King’s College London, Faulty of Nursing, Midwifery and Palliative care, Department of Palliative Care, Policy and Rehabilitation, Cicely Saunders Institute, London, UK
- Regional Hyper-acute Rehabilitation Unit, Northwick Park Hospital, London North West University Healthcare NHS Trust, London, UK
| | - H. Rose
- Regional Hyper-acute Rehabilitation Unit, Northwick Park Hospital, London North West University Healthcare NHS Trust, London, UK
| | - C. Lakra
- Regional Hyper-acute Rehabilitation Unit, Northwick Park Hospital, London North West University Healthcare NHS Trust, London, UK
| | - H. Williams
- Regional Hyper-acute Rehabilitation Unit, Northwick Park Hospital, London North West University Healthcare NHS Trust, London, UK
| | - S. A. Ashford
- King’s College London, Faulty of Nursing, Midwifery and Palliative care, Department of Palliative Care, Policy and Rehabilitation, Cicely Saunders Institute, London, UK
- Regional Hyper-acute Rehabilitation Unit, Northwick Park Hospital, London North West University Healthcare NHS Trust, London, UK
| | - R. J. Siegert
- School of Public Health & Psychosocial Studies and School of Clinical Sciences, Auckland University of Technology, Auckland, New Zealand
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26
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Abstract
Abstract
Background
Myocardial infarction (MI) and hypertension lead to myocardial injury, which induces negative remodelling and cardiac fibrosis. Cardiac fibrosis, which involves inflammatory cell infiltration and myofibroblast activation, causes worldwide mortality and morbidity. In response to MI or hypertension induced by prolonged angiotensin II (AngII) exposure, activated myofibroblasts produce extracellular matrix proteins. However, if unchecked, excessive collagen deposition occurs leading to myocardial stiffening, heart failure and arrhythmias.
Purpose
The underlying mechanisms leading to pathological collagen deposition are not fully elucidated. There is debate regarding the involvement of the Wnt signalling pathway and its product Wnt Inducible Signalling pathway protein-1 (WISP-1) in cardiac fibrosis. Therefore, this project aimed to investigate the interaction of AngII and the Wnt/β-catenin signalling pathway in cardiac fibrosis.
Methods
The effect of AngII (100nM) on collagen levels in human cardiac fibroblasts was investigated in vitro (data expressed as fold change from control ± SEM). In vivo experiments (n=6–8) determined the involvement of the Wnt/b-catenin pathway, specifically WISP-1, in response to AngII infusion (500ng/kg/min) for 4 weeks (Apolipoprotein E−/−/WISP-1+/+ vs. ApolipoproteinE−/−/WISP-1−/− mice on a high-fat diet, data expressed as mean positive pixel % ± SEM).
Results
AngII significantly increased collagen type 1 protein levels produced by human cardiac fibroblasts (2.94±0.75 vs 1±0, p<0.05). Inhibition of Wnt/b-catenin signalling with 25nM iCRT14 significantly suppressed AngII-induced collagen levels (0.46±0.07 vs. 1±0, p<0.05). As expected, AngII infusion significantly induced hypertension in all mice. Immunohistochemistry demonstrated type 1 collagen was markedly higher in AngII mice than control mice (1.07±0.27 vs. 0.29±0.06, p<0.05). However, in the absence of WISP-1, AngII did not enhance collagen type 1 levels. Further immunohistochemical analysis of murine hearts demonstrated that AngII infusion caused significant alterations in the Wnt/β-catenin signalling markers AXIN-2 (35±3.9 vs. 10.7±2.6 p<0.05) and PPAR-d (92±1.4 vs. 17.3±4.3 p<0.05). This effect was reduced by WISP-1 deletion. Furthermore, AngII-infusion disrupted N-cadherin junctions (0.55±0.08 vs. 0.29±0.02 p<0.05) suggesting modulation of cell-to-cell contacts and enhanced β-catenin signalling.
Conclusion
This study indicates that AngII enhances cardiac fibrosis via modulation of the Wnt signalling pathway, in part via WISP-1. Further delineation of this interaction may lead to the use of Wnt/β-catenin or WISP-1 inhibitors to suppress myocardial injury induced cardiac fibrosis in post-MI or hypertensive patients.
Acknowledgement/Funding
Elizabeth Blackwell Institute, British Heart Foundation
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Affiliation(s)
| | - Z Li
- University of Bristol, Bristol, United Kingdom
| | - M Young
- University of Bristol, Bristol, United Kingdom
| | - B A Brown
- University of Bristol, Bristol, United Kingdom
| | - J L Johnson
- University of Bristol, Bristol, United Kingdom
| | - H Williams
- University of Bristol, Bristol, United Kingdom
| | - S J George
- University of Bristol, Bristol, United Kingdom
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27
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Gorman KM, Meyer E, Grozeva D, Spinelli E, McTague A, Sanchis-Juan A, Carss KJ, Bryant E, Reich A, Schneider AL, Pressler RM, Simpson MA, Debelle GD, Wassmer E, Morton J, Sieciechowicz D, Jan-Kamsteeg E, Paciorkowski AR, King MD, Cross JH, Poduri A, Mefford HC, Scheffer IE, Haack TB, McCullagh G, Millichap JJ, Carvill GL, Clayton-Smith J, Maher ER, Raymond FL, Kurian MA, McRae JF, Clayton S, Fitzgerald TW, Kaplanis J, Prigmore E, Rajan D, Sifrim A, Aitken S, Akawi N, Alvi M, Ambridge K, Barrett DM, Bayzetinova T, Jones P, Jones WD, King D, Krishnappa N, Mason LE, Singh T, Tivey AR, Ahmed M, Anjum U, Archer H, Armstrong R, Awada J, Balasubramanian M, Banka S, Baralle D, Barnicoat A, Batstone P, Baty D, Bennett C, Berg J, Bernhard B, Bevan AP, Bitner-Glindzicz M, Blair E, Blyth M, Bohanna D, Bourdon L, Bourn D, Bradley L, Brady A, Brent S, Brewer C, Brunstrom K, Bunyan DJ, Burn J, Canham N, Castle B, Chandler K, Chatzimichali E, Cilliers D, Clarke A, Clasper S, Clayton-Smith J, Clowes V, Coates A, Cole T, Colgiu I, Collins A, Collinson MN, Connell F, Cooper N, Cox H, Cresswell L, Cross G, Crow Y, D’Alessandro M, Dabir T, Davidson R, Davies S, de Vries D, Dean J, Deshpande C, Devlin G, Dixit A, Dobbie A, Donaldson A, Donnai D, Donnelly D, Donnelly C, Douglas A, Douzgou S, Duncan A, Eason J, Ellard S, Ellis I, Elmslie F, Evans K, Everest S, Fendick T, Fisher R, Flinter F, Foulds N, Fry A, Fryer A, Gardiner C, Gaunt L, Ghali N, Gibbons R, Gill H, Goodship J, Goudie D, Gray E, Green A, Greene P, Greenhalgh L, Gribble S, Harrison R, Harrison L, Harrison V, Hawkins R, He L, Hellens S, Henderson A, Hewitt S, Hildyard L, Hobson E, Holden S, Holder M, Holder S, Hollingsworth G, Homfray T, Humphreys M, Hurst J, Hutton B, Ingram S, Irving M, Islam L, Jackson A, Jarvis J, Jenkins L, Johnson D, Jones E, Josifova D, Joss S, Kaemba B, Kazembe S, Kelsell R, Kerr B, Kingston H, Kini U, Kinning E, Kirby G, Kirk C, Kivuva E, Kraus A, Kumar D, Kumar VKA, Lachlan K, Lam W, Lampe A, Langman C, Lees M, Lim D, Longman C, Lowther G, Lynch SA, Magee A, Maher E, Male A, Mansour S, Marks K, Martin K, Maye U, McCann E, McConnell V, McEntagart M, McGowan R, McKay K, McKee S, McMullan DJ, McNerlan S, McWilliam C, Mehta S, Metcalfe K, Middleton A, Miedzybrodzka Z, Miles E, Mohammed S, Montgomery T, Moore D, Morgan S, Morton J, Mugalaasi H, Murday V, Murphy H, Naik S, Nemeth A, Nevitt L, Newbury-Ecob R, Norman A, O’Shea R, Ogilvie C, Ong KR, Park SM, Parker MJ, Patel C, Paterson J, Payne S, Perrett D, Phipps J, Pilz DT, Pollard M, Pottinger C, Poulton J, Pratt N, Prescott K, Price S, Pridham A, Procter A, Purnell H, Quarrell O, Ragge N, Rahbari R, Randall J, Rankin J, Raymond L, Rice D, Robert L, Roberts E, Roberts J, Roberts P, Roberts G, Ross A, Rosser E, Saggar A, Samant S, Sampson J, Sandford R, Sarkar A, Schweiger S, Scott R, Scurr I, Selby A, Seller A, Sequeira C, Shannon N, Sharif S, Shaw-Smith C, Shearing E, Shears D, Sheridan E, Simonic I, Singzon R, Skitt Z, Smith A, Smith K, Smithson S, Sneddon L, Splitt M, Squires M, Stewart F, Stewart H, Straub V, Suri M, Sutton V, Swaminathan GJ, Sweeney E, Tatton-Brown K, Taylor C, Taylor R, Tein M, Temple IK, Thomson J, Tischkowitz M, Tomkins S, Torokwa A, Treacy B, Turner C, Turnpenny P, Tysoe C, Vandersteen A, Varghese V, Vasudevan P, Vijayarangakannan P, Vogt J, Wakeling E, Wallwark S, Waters J, Weber A, Wellesley D, Whiteford M, Widaa S, Wilcox S, Wilkinson E, Williams D, Williams N, Wilson L, Woods G, Wragg C, Wright M, Yates L, Yau M, Nellåker C, Parker M, Firth HV, Wright CF, FitzPatrick DR, Barrett JC, Hurles ME, Al Turki S, Anderson C, Anney R, Antony D, Artigas MS, Ayub M, Balasubramaniam S, Barrett JC, Barroso I, Beales P, Bentham J, Bhattacharya S, Birney E, Blackwood D, Bobrow M, Bochukova E, Bolton P, Bounds R, Boustred C, Breen G, Calissano M, Carss K, Chatterjee K, Chen L, Ciampi A, Cirak S, Clapham P, Clement G, Coates G, Collier D, Cosgrove C, Cox T, Craddock N, Crooks L, Curran S, Curtis D, Daly A, Day-Williams A, Day IN, Down T, Du Y, Dunham I, Edkins S, Ellis P, Evans D, Faroogi S, Fatemifar G, Fitzpatrick DR, Flicek P, Flyod J, Foley AR, Franklin CS, Futema M, Gallagher L, Geihs M, Geschwind D, Griffin H, Grozeva D, Guo X, Guo X, Gurling H, Hart D, Hendricks A, Holmans P, Howie B, Huang L, Hubbard T, Humphries SE, Hurles ME, Hysi P, Jackson DK, Jamshidi Y, Jing T, Joyce C, Kaye J, Keane T, Keogh J, Kemp J, Kennedy K, Kolb-Kokocinski A, Lachance G, Langford C, Lawson D, Lee I, Lek M, Liang J, Lin H, Li R, Li Y, Liu R, Lönnqvist J, Lopes M, Iotchkova V, MacArthur D, Marchini J, Maslen J, Massimo M, Mathieson I, Marenne G, McGuffin P, McIntosh A, McKechanie AG, McQuillin A, Metrustry S, Mitchison H, Moayyeri A, Morris J, Muntoni F, Northstone K, O'Donnovan M, Onoufriadis A, O'Rahilly S, Oualkacha K, Owen MJ, Palotie A, Panoutsopoulou K, Parker V, Parr JR, Paternoster L, Paunio T, Payne F, Pietilainen O, Plagnol V, Quaye L, Quail MA, Raymond L, Rehnström K, Ring S, Ritchie GR, Roberts N, Savage DB, Scambler P, Schiffels S, Schmidts M, Schoenmakers N, Semple RK, Serra E, Sharp SI, Shin SY, Skuse D, Small K, Southam L, Spasic-Boskovic O, St Clair D, Stalker J, Stevens E, St Pourcian B, Sun J, Suvisaari J, Tachmazidou I, Tobin MD, Valdes A, Van Kogelenberg M, Vijayarangakannan P, Visscher PM, Wain LV, Walters JT, Wang G, Wang J, Wang Y, Ward K, Wheeler E, Whyte T, Williams H, Williamson KA, Wilson C, Wong K, Xu C, Yang J, Zhang F, Zhang P, Aitman T, Alachkar H, Ali S, Allen L, Allsup D, Ambegaonkar G, Anderson J, Antrobus R, Armstrong R, Arno G, Arumugakani G, Ashford S, Astle W, Attwood A, Austin S, Bacchelli C, Bakchoul T, Bariana TK, Baxendale H, Bennett D, Bethune C, Bibi S, Bitner-Glindzicz M, Bleda M, Boggard H, Bolton-Maggs P, Booth C, Bradley JR, Brady A, Brown M, Browning M, Bryson C, Burns S, Calleja P, Canham N, Carmichael J, Carss K, Caulfield M, Chalmers E, Chandra A, Chinnery P, Chitre M, Church C, Clement E, Clements-Brod N, Clowes V, Coghlan G, Collins P, Cooper N, Creaser-Myers A, DaCosta R, Daugherty L, Davies S, Davis J, De Vries M, Deegan P, Deevi SV, Deshpande C, Devlin L, Dewhurst E, Doffinger R, Dormand N, Drewe E, Edgar D, Egner W, Erber WN, Erwood M, Everington T, Favier R, Firth H, Fletcher D, Flinter F, Fox JC, Frary A, Freson K, Furie B, Furnell A, Gale D, Gardham A, Gattens M, Ghali N, Ghataorhe PK, Ghurye R, Gibbs S, Gilmour K, Gissen P, Goddard S, Gomez K, Gordins P, Gräf S, Greene D, Greenhalgh A, Greinacher A, Grigoriadou S, Grozeva D, Hackett S, Hadinnapola C, Hague R, Haimel M, Halmagyi C, Hammerton T, Hart D, Hayman G, Heemskerk JW, Henderson R, Hensiek A, Henskens Y, Herwadkar A, Holden S, Holder M, Holder S, Hu F, Huissoon A, Humbert M, Hurst J, James R, Jolles S, Josifova D, Kazmi R, Keeling D, Kelleher P, Kelly AM, Kennedy F, Kiely D, Kingston N, Koziell A, Krishnakumar D, Kuijpers TW, Kumararatne D, Kurian M, Laffan MA, Lambert MP, Allen HL, Lawrie A, Lear S, Lees M, Lentaigne C, Liesner R, Linger R, Longhurst H, Lorenzo L, Machado R, Mackenzie R, MacLaren R, Maher E, Maimaris J, Mangles S, Manson A, Mapeta R, Markus HS, Martin J, Masati L, Mathias M, Matser V, Maw A, McDermott E, McJannet C, Meacham S, Meehan S, Megy K, Mehta S, Michaelides M, Millar CM, Moledina S, Moore A, Morrell N, Mumford A, Murng S, Murphy E, Nejentsev S, Noorani S, Nurden P, Oksenhendler E, Ouwehand WH, Papadia S, Park SM, Parker A, Pasi J, Patch C, Paterson J, Payne J, Peacock A, Peerlinck K, Penkett CJ, Pepke-Zaba J, Perry DJ, Pollock V, Polwarth G, Ponsford M, Qasim W, Quinti I, Rankin S, Rankin J, Raymond FL, Rehnstrom K, Reid E, Rhodes CJ, Richards M, Richardson S, Richter A, Roberts I, Rondina M, Rosser E, Roughley C, Rue-Albrecht K, Samarghitean C, Sanchis-Juan A, Sandford R, Santra S, Sargur R, Savic S, Schulman S, Schulze H, Scott R, Scully M, Seneviratne S, Sewell C, Shamardina O, Shipley D, Simeoni I, Sivapalaratnam S, Smith K, Sohal A, Southgate L, Staines S, Staples E, Stauss H, Stein P, Stephens J, Stirrups K, Stock S, Suntharalingam J, Tait RC, Talks K, Tan Y, Thachil J, Thaventhiran J, Thomas E, Thomas M, Thompson D, Thrasher A, Tischkowitz M, Titterton C, Toh CH, Toshner M, Treacy C, Trembath R, Tuna S, Turek W, Turro E, Van Geet C, Veltman M, Vogt J, von Ziegenweldt J, Vonk Noordegraaf A, Wakeling E, Wanjiku I, Warner TQ, Wassmer E, Watkins H, Webster A, Welch S, Westbury S, Wharton J, Whitehorn D, Wilkins M, Willcocks L, Williamson C, Woods G, Wort J, Yeatman N, Yong P, Young T, Yu P. Bi-allelic Loss-of-Function CACNA1B Mutations in Progressive Epilepsy-Dyskinesia. Am J Hum Genet 2019; 104:948-956. [PMID: 30982612 DOI: 10.1016/j.ajhg.2019.03.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 03/04/2019] [Indexed: 12/11/2022] Open
Abstract
The occurrence of non-epileptic hyperkinetic movements in the context of developmental epileptic encephalopathies is an increasingly recognized phenomenon. Identification of causative mutations provides an important insight into common pathogenic mechanisms that cause both seizures and abnormal motor control. We report bi-allelic loss-of-function CACNA1B variants in six children from three unrelated families whose affected members present with a complex and progressive neurological syndrome. All affected individuals presented with epileptic encephalopathy, severe neurodevelopmental delay (often with regression), and a hyperkinetic movement disorder. Additional neurological features included postnatal microcephaly and hypotonia. Five children died in childhood or adolescence (mean age of death: 9 years), mainly as a result of secondary respiratory complications. CACNA1B encodes the pore-forming subunit of the pre-synaptic neuronal voltage-gated calcium channel Cav2.2/N-type, crucial for SNARE-mediated neurotransmission, particularly in the early postnatal period. Bi-allelic loss-of-function variants in CACNA1B are predicted to cause disruption of Ca2+ influx, leading to impaired synaptic neurotransmission. The resultant effect on neuronal function is likely to be important in the development of involuntary movements and epilepsy. Overall, our findings provide further evidence for the key role of Cav2.2 in normal human neurodevelopment.
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Williams H, Hamiko M, Schiller W, Mellert F, Fimmers R, Probst C. Retrograde Autologous Priming in Surgery of Thoracic Aortic Aneurysm. Thorac Cardiovasc Surg 2019. [DOI: 10.1055/s-0039-1678860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- H. Williams
- Rheinische Friedrich-Wilhelms-Universität Bonn, Klinik und Poliklinik für Herzchirurgie, Bonn, Germany
| | - M. Hamiko
- Rheinische Friedrich-Wilhelms-Universität Bonn, Klinik und Poliklinik für Herzchirurgie, Bonn, Germany
| | - W. Schiller
- Rheinische Friedrich-Wilhelms-Universität Bonn, Klinik und Poliklinik für Herzchirurgie, Bonn, Germany
| | - F. Mellert
- Rheinische Friedrich-Wilhelms-Universität Bonn, Klinik und Poliklinik für Herzchirurgie, Bonn, Germany
| | - R. Fimmers
- Institut für Medizinische Biometrie, Informatik und Epidemiologie Bonn, Bonn, Germany
| | - C. Probst
- Rheinische Friedrich-Wilhelms-Universität Bonn, Klinik und Poliklinik für Herzchirurgie, Bonn, Germany
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Martin CA, Sarlós K, Logan CV, Thakur RS, Parry DA, Bizard AH, Leitch A, Cleal L, Ali NS, Al-Owain MA, Allen W, Altmüller J, Aza-Carmona M, Barakat BA, Barraza-García J, Begtrup A, Bogliolo M, Cho MT, Cruz-Rojo J, Dhahrabi HAM, Elcioglu NH, Gorman GS, Jobling R, Kesterton I, Kishita Y, Kohda M, Le Quesne Stabej P, Malallah AJ, Nürnberg P, Ohtake A, Okazaki Y, Pujol R, Ramirez MJ, Revah-Politi A, Shimura M, Stevens P, Taylor RW, Turner L, Williams H, Wilson C, Yigit G, Zahavich L, Alkuraya FS, Surralles J, Iglesias A, Murayama K, Wollnik B, Dattani M, Heath KE, Hickson ID, Jackson AP, Jackson AP. Mutations in TOP3A Cause a Bloom Syndrome-like Disorder. Am J Hum Genet 2018; 103:456. [PMID: 30193137 PMCID: PMC6128302 DOI: 10.1016/j.ajhg.2018.08.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Brown BA, Williams H, Bond AR, Angelini GD, Johnson JL, George SJ. Carotid artery ligation induced intimal thickening and proliferation is unaffected by ageing. J Cell Commun Signal 2018; 12:529-537. [PMID: 29185213 PMCID: PMC6039339 DOI: 10.1007/s12079-017-0431-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Accepted: 10/27/2017] [Indexed: 01/20/2023] Open
Abstract
Following interventions to treat atherosclerosis, such as coronary artery bypass graft surgery, restenosis occurs in approximately 40% of patients. Identification of proteins regulating intimal thickening could represent targets to prevent restenosis. Our group previously demonstrated that in a murine model of vascular occlusion, Wnt4 protein expression and β-catenin signalling was upregulated which promoted vascular smooth muscle cell (VSMC) proliferation and intimal thickening. In this study, the effect of age on VSMC proliferation, intimal hyperplasia and Wnt4 expression was investigated. In vitro proliferation of VSMCs isolated from young (2 month) or old (18-20 month) C57BL6/J mice was assessed by immunocytochemistry for EdU incorporation. As previously reported, 400 ng/mL recombinant Wnt4 protein increased proliferation of VSMCs from young mice. However, this response was absent in VSMCs from old mice. As our group previously reported reduced intimal hyperplasia in Wnt4+/- mice compared to wildtype controls, we hypothesised that impaired Wnt4 signalling with age may result in reduced neointimal formation. To investigate this, carotid artery ligation was performed in young and old mice and neointimal area was assessed 21 days later. Surprisingly, neointimal area and percentage lumen occlusion were not significantly affected by age. Furthermore, neointimal cell density and proliferation were also unchanged. These data suggest that although Wnt4-mediated proliferation was impaired with age in primary VSMCs, carotid artery ligation induced neointimal formation and proliferation were unchanged in old mice. These results imply that Wnt4-mediated proliferation is unaffected by age in vivo, suggesting that therapeutic Wnt4 inhibition could inhibit restenosis in patients of all ages.
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Affiliation(s)
- B A Brown
- Bristol Medical School, , University of Bristol, Research Floor Level Seven, Bristol Royal Infirmary, Upper Maudlin Street, Bristol, BS2 8HW, UK
| | - H Williams
- Bristol Medical School, , University of Bristol, Research Floor Level Seven, Bristol Royal Infirmary, Upper Maudlin Street, Bristol, BS2 8HW, UK
| | - A R Bond
- Bristol Medical School, , University of Bristol, Research Floor Level Seven, Bristol Royal Infirmary, Upper Maudlin Street, Bristol, BS2 8HW, UK
| | - G D Angelini
- Bristol Medical School, , University of Bristol, Research Floor Level Seven, Bristol Royal Infirmary, Upper Maudlin Street, Bristol, BS2 8HW, UK
| | - J L Johnson
- Bristol Medical School, , University of Bristol, Research Floor Level Seven, Bristol Royal Infirmary, Upper Maudlin Street, Bristol, BS2 8HW, UK
| | - S J George
- Bristol Medical School, , University of Bristol, Research Floor Level Seven, Bristol Royal Infirmary, Upper Maudlin Street, Bristol, BS2 8HW, UK.
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31
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Andolino C, Hess C, Prince T, Williams H, Chernin M. Drug-induced keratin 9 interaction with Hsp70 in bladder cancer cells. Cell Stress Chaperones 2018; 23:1137-1142. [PMID: 29802537 PMCID: PMC6111075 DOI: 10.1007/s12192-018-0913-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Revised: 04/05/2018] [Accepted: 05/08/2018] [Indexed: 12/18/2022] Open
Abstract
A pull-down experiment (co-immunoprecipitation) was performed on a T24 human bladder cancer cell lysate treated with the Hsp inhibitor VER155008 using an Hsp70 antibody attached to Dynabeads. Keratin 9, a cytoskeleton intermediate filament protein, was identified by LC MS/MS analysis. This novel finding was confirmed by Western blotting, RT-PCR, and immunocytochemistry. Other members of the keratin family of proteins have been shown to be involved in cancer progression, most recently identified to be associated with cell invasion and metastasis. The specific role of keratin 9 expression in these cells is yet to be determined.
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Affiliation(s)
- C Andolino
- Biology Department, Bucknell University, 1 Dent Drive, Lewisburg, PA, 17837, USA
| | - C Hess
- Biology Department, Bucknell University, 1 Dent Drive, Lewisburg, PA, 17837, USA
| | - T Prince
- Department of Urology, Geisinger Clinic, Danville, PA, USA
| | - H Williams
- Department of Urology, Geisinger Clinic, Danville, PA, USA
| | - M Chernin
- Biology Department, Bucknell University, 1 Dent Drive, Lewisburg, PA, 17837, USA.
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Martin CA, Sarlós K, Logan CV, Thakur RS, Parry DA, Bizard AH, Leitch A, Cleal L, Ali NS, Al-Owain MA, Allen W, Altmüller J, Aza-Carmona M, Barakat BAY, Barraza-García J, Begtrup A, Bogliolo M, Cho MT, Cruz-Rojo J, Dhahrabi HAM, Elcioglu NH, Gorman GS, Jobling R, Kesterton I, Kishita Y, Kohda M, Le Quesne Stabej P, Malallah AJ, Nürnberg P, Ohtake A, Okazaki Y, Pujol R, Ramirez MJ, Revah-Politi A, Shimura M, Stevens P, Taylor RW, Turner L, Williams H, Wilson C, Yigit G, Zahavich L, Alkuraya FS, Surralles J, Iglesias A, Murayama K, Wollnik B, Dattani M, Heath KE, Hickson ID, Jackson AP. Mutations in TOP3A Cause a Bloom Syndrome-like Disorder. Am J Hum Genet 2018; 103:221-231. [PMID: 30057030 PMCID: PMC6080766 DOI: 10.1016/j.ajhg.2018.07.001] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 06/29/2018] [Indexed: 11/21/2022] Open
Abstract
Bloom syndrome, caused by biallelic mutations in BLM, is characterized by prenatal-onset growth deficiency, short stature, an erythematous photosensitive malar rash, and increased cancer predisposition. Diagnostically, a hallmark feature is the presence of increased sister chromatid exchanges (SCEs) on cytogenetic testing. Here, we describe biallelic mutations in TOP3A in ten individuals with prenatal-onset growth restriction and microcephaly. TOP3A encodes topoisomerase III alpha (TopIIIα), which binds to BLM as part of the BTRR complex, and promotes dissolution of double Holliday junctions arising during homologous recombination. We also identify a homozygous truncating variant in RMI1, which encodes another component of the BTRR complex, in two individuals with microcephalic dwarfism. The TOP3A mutations substantially reduce cellular levels of TopIIIα, and consequently subjects' cells demonstrate elevated rates of SCE. Unresolved DNA recombination and/or replication intermediates persist into mitosis, leading to chromosome segregation defects and genome instability that most likely explain the growth restriction seen in these subjects and in Bloom syndrome. Clinical features of mitochondrial dysfunction are evident in several individuals with biallelic TOP3A mutations, consistent with the recently reported additional function of TopIIIα in mitochondrial DNA decatenation. In summary, our findings establish TOP3A mutations as an additional cause of prenatal-onset short stature with increased cytogenetic SCEs and implicate the decatenation activity of the BTRR complex in their pathogenesis.
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Affiliation(s)
- Carol-Anne Martin
- MRC Human Genetics Unit, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh EH4 2XU, UK
| | - Kata Sarlós
- Center for Chromosome Stability and Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, Blegdamsvej 3B, 2200 Copenhagen N, Denmark
| | - Clare V Logan
- MRC Human Genetics Unit, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh EH4 2XU, UK
| | - Roshan Singh Thakur
- Center for Chromosome Stability and Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, Blegdamsvej 3B, 2200 Copenhagen N, Denmark
| | - David A Parry
- MRC Human Genetics Unit, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh EH4 2XU, UK
| | - Anna H Bizard
- Center for Chromosome Stability and Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, Blegdamsvej 3B, 2200 Copenhagen N, Denmark
| | - Andrea Leitch
- MRC Human Genetics Unit, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh EH4 2XU, UK
| | - Louise Cleal
- MRC Human Genetics Unit, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh EH4 2XU, UK
| | | | - Mohammed A Al-Owain
- Department of Medical Genetics, King Faisal Specialist Hospital and Research Center, Riyadh 11211, Saudi Arabia
| | | | - Janine Altmüller
- Cologne Center for Genomics, University of Cologne, 50931 Cologne, Germany
| | - Miriam Aza-Carmona
- Institute of Medical and Molecular Genetics and Skeletal dysplasia multidisciplinary Unit, Hospital Universitario La Paz, Universidad Autónoma de Madrid, IdiPaz, Madrid 28046, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras, Madrid 28029, Spain
| | | | - Jimena Barraza-García
- Institute of Medical and Molecular Genetics and Skeletal dysplasia multidisciplinary Unit, Hospital Universitario La Paz, Universidad Autónoma de Madrid, IdiPaz, Madrid 28046, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras, Madrid 28029, Spain
| | - Amber Begtrup
- GeneDx, 207 Perry Parkway, Gaithersburg, MD 20877, USA
| | - Massimo Bogliolo
- Centro de Investigación Biomédica en Red de Enfermedades Raras, Madrid 28029, Spain; Department of Genetics and Microbiology, Universitat Autònoma de Barcelona, Bellaterra 08193, Spain
| | - Megan T Cho
- GeneDx, 207 Perry Parkway, Gaithersburg, MD 20877, USA
| | - Jaime Cruz-Rojo
- Department of Pediatric Endocrinology & Dysmorphology, Hospital 12 Octubre, Madrid 28041, Spain
| | | | - Nursel H Elcioglu
- Department of Pediatric Genetics, Marmara University Medical School, Istanbul 34722, Turkey
| | - Gráinne S Gorman
- Wellcome Centre for Mitochondrial Research, Institute of Neuroscience, School of Medical Education, Newcastle University, Newcastle upon Tyne NE2 4HH, UK
| | | | - Ian Kesterton
- Cytogenetics Department, Viapath Analytics, Guy's Hospital, London SE1 9RT, UK
| | - Yoshihito Kishita
- Intractable Disease Research Center, Graduate School of Medicine, Juntendo University, 2-1-1, Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Masakazu Kohda
- Intractable Disease Research Center, Graduate School of Medicine, Juntendo University, 2-1-1, Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | | | | | - Peter Nürnberg
- Cologne Center for Genomics, University of Cologne, 50931 Cologne, Germany
| | - Akira Ohtake
- Department of Pediatrics, Faculty of Medicine, Saitama Medical University, 38 Morohongo, Moroyama, Saitama 350-0495, Japan
| | - Yasushi Okazaki
- Intractable Disease Research Center, Graduate School of Medicine, Juntendo University, 2-1-1, Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Roser Pujol
- Centro de Investigación Biomédica en Red de Enfermedades Raras, Madrid 28029, Spain; Department of Genetics and Microbiology, Universitat Autònoma de Barcelona, Bellaterra 08193, Spain
| | - Maria José Ramirez
- Centro de Investigación Biomédica en Red de Enfermedades Raras, Madrid 28029, Spain; Department of Genetics and Microbiology, Universitat Autònoma de Barcelona, Bellaterra 08193, Spain
| | - Anya Revah-Politi
- Institute for Genomic Medicine, Columbia University Medical Center, New York, NY 10032, USA
| | - Masaru Shimura
- Center for Medical Genetics, Department of Metabolism, Chiba Children's Hospital, 579-1, Heta-cho, Midori-ku, Chiba 266-0007, Japan
| | - Paul Stevens
- Cytogenetics Department, Viapath Analytics, Guy's Hospital, London SE1 9RT, UK
| | - Robert W Taylor
- Wellcome Centre for Mitochondrial Research, Institute of Neuroscience, School of Medical Education, Newcastle University, Newcastle upon Tyne NE2 4HH, UK
| | - Lesley Turner
- Memorial University of Newfoundland, St. John's, NL A1C 5S7, Canada
| | - Hywel Williams
- UCL Great Ormond Street Institute of Child Health, 30 Guilford Street, London WC1N 1EH, UK
| | | | - Gökhan Yigit
- Institute of Human Genetics, University Medical Center Göttingen, 37073 Göttingen, Germany
| | - Laura Zahavich
- The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
| | - Fowzan S Alkuraya
- Department of Genetics, King Faisal Specialist Hospital and Research Center, Riyadh 11211, Saudi Arabia
| | - Jordi Surralles
- Centro de Investigación Biomédica en Red de Enfermedades Raras, Madrid 28029, Spain; Department of Genetics and Microbiology, Universitat Autònoma de Barcelona, Bellaterra 08193, Spain; Department of Genetics and Biomedical Research Institute Sant Pau, Hospital de la Santa Creu i Sant Pau, Barcelona 08041, Spain
| | - Alejandro Iglesias
- Department of Pediatrics, Division of Clinical Genetics, Columbia University Medical Center, New York, NY 10032, USA
| | - Kei Murayama
- Center for Medical Genetics, Department of Metabolism, Chiba Children's Hospital, 579-1, Heta-cho, Midori-ku, Chiba 266-0007, Japan
| | - Bernd Wollnik
- Institute of Human Genetics, University Medical Center Göttingen, 37073 Göttingen, Germany
| | - Mehul Dattani
- UCL Great Ormond Street Institute of Child Health, 30 Guilford Street, London WC1N 1EH, UK
| | - Karen E Heath
- Institute of Medical and Molecular Genetics and Skeletal dysplasia multidisciplinary Unit, Hospital Universitario La Paz, Universidad Autónoma de Madrid, IdiPaz, Madrid 28046, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras, Madrid 28029, Spain
| | - Ian D Hickson
- Center for Chromosome Stability and Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, Blegdamsvej 3B, 2200 Copenhagen N, Denmark.
| | - Andrew P Jackson
- MRC Human Genetics Unit, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh EH4 2XU, UK.
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Williams H, Johnson J, George S. WISP-1/CCN4 protects against athrosclerosis in atheroprone mice. Atherosclerosis 2018. [DOI: 10.1016/j.atherosclerosis.2018.06.900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Schaiberger G, Pucar D, Patel V, Bateson B, Williams H, Bates W. Para-atrial non-acute mediastinal hematoma after left atrial maze procedure mimicking tumor in a patient with treated melanoma. J Nucl Cardiol 2018; 25:1430-1432. [PMID: 28432672 DOI: 10.1007/s12350-017-0881-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Accepted: 03/14/2017] [Indexed: 11/30/2022]
Abstract
INTRODUCTION The Cox Maze III procedure is considered the gold standard open surgical procedure for management of atrial fibrillation. This article outlines a unique case of a para-atrial mediastinal hematoma following a bilateral thoracoscopic left atrial Maze procedure mimicking malignancy. REPORT A 60-year-old male, with past history of melanoma, underwent bilateral thoracoscopic left atrial mini maze procedure with radiofrequency energy and exclusion of the left atrial appendage. Seven months later, a chest computed tomography (CT) scan was performed to evaluate for pulmonary embolism. The CT scan unexpectedly showed an ill-defined, heterogeneous para-atrial mass immediately superior to the left atrium concerning for tumor and mediastinal adenopathy. The mass was moderately hypermetabolic on subsequent 2-[fluorine-18]fluoro-2-deoxy-D-glucose (FDG) positron emission tomography (PET) scan. A follow-up PET/CT three months later demonstrated near-complete resolution of the para-atrial mass with minimal residual hematoma. CONCLUSION Non-acute mediastinal hematoma following a maze procedure can potentially be confused with a tumor mass and/or lymphadenopathy on CT and FDG PET/CT. With knowledge of the potential for false-positive FDG uptake in a hematoma, the lesion was monitored, and unnecessary biopsy was avoided.
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Affiliation(s)
- G Schaiberger
- Department of Radiology, Augusta University Medical Center, 1120 15th St, Augusta, GA, 30912, USA
| | - D Pucar
- Department of Radiology, Augusta University Medical Center, 1120 15th St, Augusta, GA, 30912, USA
| | - V Patel
- Department of Cardiothoracic Surgery, Augusta University Medical Center, 1120 15th St, Augusta, GA, 30912, USA
| | - B Bateson
- Department of Cardiothoracic Surgery, Augusta University Medical Center, 1120 15th St, Augusta, GA, 30912, USA.
| | - H Williams
- Department of Radiology, Augusta University Medical Center, 1120 15th St, Augusta, GA, 30912, USA
| | - W Bates
- Department of Radiology, Augusta University Medical Center, 1120 15th St, Augusta, GA, 30912, USA
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Abstract
We describe our training experience as members of a drug and alcohol liaison service within a major general teaching hospital. This type of liaison work offers valuable experience in the joint management of patients with well established substance misuse problems and also provides the opportunity for early recognition and preventative interventions.
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Campbell M, Macaulay C, Eagleson K, Hooke B, Williams H, Justo R, Webb K. Improving Paediatric Health Service Translation Through Consumer Co-Design. Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Boitor R, Kong K, Shipp D, Varma S, Koloydenko A, Kulkarni K, Elsheikh S, Schut TB, Caspers P, Puppels G, van der Wolf M, Sokolova E, Nijsten TEC, Salence B, Williams H, Notingher I. Automated multimodal spectral histopathology for quantitative diagnosis of residual tumour during basal cell carcinoma surgery. Biomed Opt Express 2017; 8:5749-5766. [PMID: 29296502 PMCID: PMC5745117 DOI: 10.1364/boe.8.005749] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Revised: 11/10/2017] [Accepted: 11/12/2017] [Indexed: 05/11/2023]
Abstract
Multimodal spectral histopathology (MSH), an optical technique combining tissue auto-fluorescence (AF) imaging and Raman micro-spectroscopy (RMS), was previously proposed for detection of residual basal cell carcinoma (BCC) at the surface of surgically-resected skin tissue. Here we report the development of a fully-automated prototype instrument based on MSH designed to be used in the clinic and operated by a non-specialist spectroscopy user. The algorithms for the AF image processing and Raman spectroscopy classification had been first optimised on a manually-operated laboratory instrument and then validated on the automated prototype using skin samples from independent patients. We present results on a range of skin samples excised during Mohs micrographic surgery, and demonstrate consistent diagnosis obtained in repeat test measurement, in agreement with the reference histopathology diagnosis. We also show that the prototype instrument can be operated by clinical users (a skin surgeon and a core medical trainee, after only 1-8 hours of training) to obtain consistent results in agreement with histopathology. The development of the new automated prototype and demonstration of inter-instrument transferability of the diagnosis models are important steps on the clinical translation path: it allows the testing of the MSH technology in a relevant clinical environment in order to evaluate its performance on a sufficiently large number of patients.
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Affiliation(s)
- Radu Boitor
- School of Physics and Astronomy, University Park, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Kenny Kong
- School of Physics and Astronomy, University Park, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Dustin Shipp
- School of Physics and Astronomy, University Park, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Sandeep Varma
- Circle Nottingham Ltd NHS Treatment Centre, Lister Road, Nottingham NG7 2FT, UK
| | - Alexey Koloydenko
- Mathematics Department, Royal Holloway University of London, Egham, TW20 OEX, UK
| | - Kusum Kulkarni
- Department of Pathology, Nottingham University Hospitals NHS Trust, QMC Campus, Derby Road, Nottingham, NG7 2UH, UK
| | - Somaia Elsheikh
- Department of Pathology, Nottingham University Hospitals NHS Trust, QMC Campus, Derby Road, Nottingham, NG7 2UH, UK
| | - Tom Bakker Schut
- Erasmus-University Medical Center Rotterdam, Department of Dermatology, The Netherlands
- RiverD International, Marconistraat 16, Rotterdam 3029 AK, The Netherlands
| | - Peter Caspers
- Erasmus-University Medical Center Rotterdam, Department of Dermatology, The Netherlands
- RiverD International, Marconistraat 16, Rotterdam 3029 AK, The Netherlands
| | - Gerwin Puppels
- Erasmus-University Medical Center Rotterdam, Department of Dermatology, The Netherlands
- RiverD International, Marconistraat 16, Rotterdam 3029 AK, The Netherlands
| | | | - Elena Sokolova
- RiverD International, Marconistraat 16, Rotterdam 3029 AK, The Netherlands
| | - T. E. C. Nijsten
- Erasmus-University Medical Center Rotterdam, Department of Dermatology, The Netherlands
| | | | - Hywel Williams
- Centre of Evidence-Based Dermatology, Nottingham University Hospital NHS Trust, QMC Campus, Derby Road, NG7 2UH, UK
| | - Ioan Notingher
- School of Physics and Astronomy, University Park, University of Nottingham, Nottingham, NG7 2RD, UK
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Alexander L, Cooper K, Mitchell D, Williams H. Evaluation of a musculoskeletal physiotherapy service and associated cost benefits. Physiotherapy 2017. [DOI: 10.1016/j.physio.2017.11.173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Hamedi N, Antoniou S, Edwards F, Edwards F, Spratling L, Long G, Butt J, Anandan A, Cross J, Stebbings A, Cutting H, Lobban TCA, Williams H. 92Pan London ‘know your pulse’ awareness campaign during world heart rhythm week 2017. Europace 2017. [DOI: 10.1093/europace/eux283.087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Tan J, Linos E, Sendelweck MA, van Zuuren EJ, Ersser S, Dellavalle RP, Williams H. Shared decision making and patient decision aids in dermatology. Br J Dermatol 2017; 175:1045-1048. [PMID: 27790692 DOI: 10.1111/bjd.14803] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/10/2016] [Indexed: 11/30/2022]
Abstract
Shared decision making combines individual patient interests and values with clinical best evidence under the guiding principle of patient autonomy. Patient decision aids can support shared decision making and facilitate decisions that have multiple options with varying outcomes for which patients may attribute different values. Given the variable psychosocial impact of skin disease on individuals and relative uncertainty regarding best treatments and their adherence in many dermatological conditions, informed shared decision making, supported by patient decision aids, should constitute a central component of dermatological care.
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Affiliation(s)
- J Tan
- Western University, London, ON, Canada.
| | - E Linos
- Department of Dermatology, University of California, San Francisco School of Medicine, San Francisco, CA, U.S.A
| | | | - E J van Zuuren
- Department of Dermatology, Leiden University Medical Centre, Leiden, the Netherlands
| | - S Ersser
- School of Healthcare, University of Leeds, Leeds, U.K
| | - R P Dellavalle
- Denver Veterans Affairs Medical Center, Denver, CO, U.S.A
| | - H Williams
- Centre of Evidence Based Dermatology, University of Nottingham, Nottingham, U.K
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Youkhana K, Tutaeva V, Williams H, Corbali O, Krishnamurthy S, Metpally R, Kip N. Assessing cancer risk in patients with HFE gene variants and type 1 hereditary hemochromatosis. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx369.094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Shoemark A, Moya E, Hirst RA, Patel MP, Robson EA, Hayward J, Scully J, Fassad MR, Lamb W, Schmidts M, Dixon M, Patel-King RS, Rogers AV, Rutman A, Jackson CL, Goggin P, Rubbo B, Ollosson S, Carr S, Walker W, Adler B, Loebinger MR, Wilson R, Bush A, Williams H, Boustred C, Jenkins L, Sheridan E, Chung EMK, Watson CM, Cullup T, Lucas JS, Kenia P, O'Callaghan C, King SM, Hogg C, Mitchison HM. High prevalence of CCDC103 p.His154Pro mutation causing primary ciliary dyskinesia disrupts protein oligomerisation and is associated with normal diagnostic investigations. Thorax 2017; 73:157-166. [PMID: 28790179 DOI: 10.1136/thoraxjnl-2017-209999] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 06/07/2017] [Accepted: 07/03/2017] [Indexed: 11/03/2022]
Abstract
RATIONALE Primary ciliary dyskinesia is a genetically heterogeneous inherited condition characterised by progressive lung disease arising from abnormal cilia function. Approximately half of patients have situs inversus. The estimated prevalence of primary ciliary dyskinesia in the UK South Asian population is 1:2265. Early, accurate diagnosis is key to implementing appropriate management but clinical diagnostic tests can be equivocal. OBJECTIVES To determine the importance of genetic screening for primary ciliary dyskinesia in a UK South Asian population with a typical clinical phenotype, where standard testing is inconclusive. METHODS Next-generation sequencing was used to screen 86 South Asian patients who had a clinical history consistent with primary ciliary dyskinesia. The effect of a CCDC103 p.His154Pro missense variant compared with other dynein arm-associated gene mutations on diagnostic/phenotypic variability was tested. CCDC103 p.His154Pro variant pathogenicity was assessed by oligomerisation assay. RESULTS Sixteen of 86 (19%) patients carried a homozygous CCDC103 p.His154Pro mutation which was found to disrupt protein oligomerisation. Variable diagnostic test results were obtained including normal nasal nitric oxide levels, normal ciliary beat pattern and frequency and a spectrum of partial and normal dynein arm retention. Fifteen (94%) patients or their sibling(s) had situs inversus suggesting CCDC103 p.His154Pro patients without situs inversus are missed. CONCLUSIONS The CCDC103 p.His154Pro mutation is more prevalent than previously thought in the South Asian community and causes primary ciliary dyskinesia that can be difficult to diagnose using pathology-based clinical tests. Genetic testing is critical when there is a strong clinical phenotype with inconclusive standard diagnostic tests.
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Affiliation(s)
- Amelia Shoemark
- Department of Paediatric Respiratory Medicine, Royal Brompton and Harefield NHS Trust, National Heart and Lung Institute, London, UK
| | - Eduardo Moya
- Division of Services for Women and Children, Women's and Newborn Unit Bradford Royal Infirmary, University of Bradford, Bradford, UK
| | - Robert A Hirst
- Department of Infection, Centre for PCD Diagnosis and Research, Immunity and Inflammation, University of Leicester, Leicester, UK
| | - Mitali P Patel
- Genetics and Genomic Medicine, University College London, UCL Great Ormond Street Institute of Child Health, London, UK
| | - Evelyn A Robson
- Division of Services for Women and Children, Women's and Newborn Unit Bradford Royal Infirmary, University of Bradford, Bradford, UK
| | - Jane Hayward
- Genetics and Genomic Medicine, University College London, UCL Great Ormond Street Institute of Child Health, London, UK.,North East Thames Regional Genetics Service, Great Ormond Street Hospital for Children, London, UK
| | - Juliet Scully
- Genetics and Genomic Medicine, University College London, UCL Great Ormond Street Institute of Child Health, London, UK.,Neuroscience and Mental Health Research Institute, School of Medicine and School of Bioscience, Cardiff University, London, UK
| | - Mahmoud R Fassad
- Genetics and Genomic Medicine, University College London, UCL Great Ormond Street Institute of Child Health, London, UK.,Human Genetics Department, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - William Lamb
- Genetics and Genomic Medicine, University College London, UCL Great Ormond Street Institute of Child Health, London, UK
| | - Miriam Schmidts
- Genome Research Division, Human Genetics Department, Radboud University Medical Center and Radboud Institute for Molecular Life Sciences, Nijmegen, The Netherlands.,Pediatric Genetics Division, Center for Pediatrics and Adolescent Medicine, University of Freiburg Medical Center, Freiburg, Germany
| | - Mellisa Dixon
- Department of Paediatric Respiratory Medicine, Royal Brompton and Harefield NHS Trust, National Heart and Lung Institute, London, UK
| | - Ramila S Patel-King
- Department of Molecular Biology and Biophysics, University of Connecticut Health Center, Farmington, Connecticut, USA
| | - Andrew V Rogers
- Department of Paediatric Respiratory Medicine, Royal Brompton and Harefield NHS Trust, National Heart and Lung Institute, London, UK.,Department of Respiratory Medicine, Royal Brompton and Harefield NHS Trust, London, UK
| | - Andrew Rutman
- Department of Infection, Centre for PCD Diagnosis and Research, Immunity and Inflammation, University of Leicester, Leicester, UK
| | - Claire L Jackson
- Primary Ciliary Dyskinesia Centre, University Hospital Southampton NHS Foundation Trust and Clinical and Experimental Sciences Academic Unit, University of Southampton Faculty of Medicine, Southampton, UK.,NIHR Southampton Respiratory Biomedical Research Unit, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Patricia Goggin
- Primary Ciliary Dyskinesia Centre, University Hospital Southampton NHS Foundation Trust and Clinical and Experimental Sciences Academic Unit, University of Southampton Faculty of Medicine, Southampton, UK.,NIHR Southampton Respiratory Biomedical Research Unit, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Bruna Rubbo
- Primary Ciliary Dyskinesia Centre, University Hospital Southampton NHS Foundation Trust and Clinical and Experimental Sciences Academic Unit, University of Southampton Faculty of Medicine, Southampton, UK.,NIHR Southampton Respiratory Biomedical Research Unit, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Sarah Ollosson
- Department of Paediatric Respiratory Medicine, Royal Brompton and Harefield NHS Trust, National Heart and Lung Institute, London, UK
| | - Siobhán Carr
- Department of Paediatric Respiratory Medicine, Royal Brompton and Harefield NHS Trust, National Heart and Lung Institute, London, UK
| | - Woolf Walker
- Primary Ciliary Dyskinesia Centre, University Hospital Southampton NHS Foundation Trust and Clinical and Experimental Sciences Academic Unit, University of Southampton Faculty of Medicine, Southampton, UK.,NIHR Southampton Respiratory Biomedical Research Unit, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Beryl Adler
- Department of Paediatrics, Luton and Dunstable Hospital NHS Trust, Luton, UK
| | - Michael R Loebinger
- Department of Respiratory Medicine, Royal Brompton and Harefield NHS Trust, London, UK
| | - Robert Wilson
- Department of Respiratory Medicine, Royal Brompton and Harefield NHS Trust, London, UK
| | - Andrew Bush
- Department of Paediatric Respiratory Medicine, Royal Brompton and Harefield NHS Trust, National Heart and Lung Institute, London, UK.,Department of Paediatric Respiratory Medicine, National Heart and Lung Institute, Imperial College, London, UK
| | - Hywel Williams
- Centre for Translational Omics-GOSgene, Genetics and Genomic Medicine, University College London, Institute of Child Health, London, UK
| | - Christopher Boustred
- North East Thames Regional Genetics Service, Great Ormond Street Hospital for Children, London, UK
| | - Lucy Jenkins
- North East Thames Regional Genetics Service, Great Ormond Street Hospital for Children, London, UK
| | - Eamonn Sheridan
- Yorkshire Regional Genetics Service and School of Medicine, University of Leeds, St. James's University Hospital, Leeds, UK
| | - Eddie M K Chung
- Population, Policy and Practice Programme, University College London, UCL Great Ormond Street Institute of Child Health, London, UK
| | - Christopher M Watson
- Yorkshire Regional Genetics Service and School of Medicine, University of Leeds, St. James's University Hospital, Leeds, UK
| | - Thomas Cullup
- North East Thames Regional Genetics Service, Great Ormond Street Hospital for Children, London, UK
| | - Jane S Lucas
- Primary Ciliary Dyskinesia Centre, University Hospital Southampton NHS Foundation Trust and Clinical and Experimental Sciences Academic Unit, University of Southampton Faculty of Medicine, Southampton, UK.,NIHR Southampton Respiratory Biomedical Research Unit, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Priti Kenia
- Department of Respiratory Paediatrics, Birmingham Children's Hospital NHS Foundation Trust, Birmingham, UK
| | - Christopher O'Callaghan
- Department of Infection, Centre for PCD Diagnosis and Research, Immunity and Inflammation, University of Leicester, Leicester, UK.,Infection, Immunity, Inflammation and Physiological Medicine, University College London, Institute of Child Health, London, UK
| | - Stephen M King
- Department of Molecular Biology and Biophysics, University of Connecticut Health Center, Farmington, Connecticut, USA.,Institute for Systems Genomics, University of Connecticut Health Center, Farmington, Connecticut, USA
| | - Claire Hogg
- Department of Paediatric Respiratory Medicine, Royal Brompton and Harefield NHS Trust, National Heart and Lung Institute, London, UK
| | - Hannah M Mitchison
- Genetics and Genomic Medicine, University College London, UCL Great Ormond Street Institute of Child Health, London, UK
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Swinbourne F, Jeffery N, Tivers M, Artingstall R, Bird F, Charlesworth T, Doran I, Freeman A, Hall J, Hattersley R, Henken J, Hughes J, de la Puerta B, Rutherford L, Ryan T, Williams H, Woods S, Nicholson I. The incidence of surgical site dehiscence following full-thickness gastrointestinal biopsy in dogs and cats and associated risk factors. J Small Anim Pract 2017; 58:495-503. [DOI: 10.1111/jsap.12696] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Revised: 05/01/2017] [Accepted: 05/01/2017] [Indexed: 11/28/2022]
Affiliation(s)
- F. Swinbourne
- Willows Referral Service; Shirley Solihull B90 4NH UK
| | - N. Jeffery
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences; Texas A&M University; College Station Texas 77843 USA
| | - M.S. Tivers
- School of Veterinary Sciences; University of Bristol; Langford Bristol BS40 5DU UK
| | - R. Artingstall
- Vale Referrals; The Animal Hospital; Stinchcombe Dursley GL11 6AJ UK
| | - F. Bird
- Pride Veterinary Hospital; Derby DE24 8HY UK
| | | | - I. Doran
- School of Veterinary Sciences; University of Bristol; Langford Bristol BS40 5DU UK
| | - A. Freeman
- Small Animal Teaching Hospital, Institute of Veterinary Science; University of Liverpool; Neston Wirral CH64 7TE UK
| | - J. Hall
- Northwest Surgeons; Sutton Weaver Cheshire WA7 3FW UK
| | | | - J. Henken
- Village Vet Highgate; London NW51BX UK
| | - J. Hughes
- North Downs Specialist Referrals; Bletchingley Surrey RH1 4QP UK
| | - B. de la Puerta
- Department of Clinical Services, Royal Veterinary College; Queen Mother Hospital for Animals; North Mymms Hatfield AL9 7TA UK
| | - L. Rutherford
- Southern Counties Veterinary Specialists; Ringwood Hampshire BH24 3JW UK
| | - T. Ryan
- Easter Bush Veterinary Centre, Royal (Dick) School of Veterinary Studies; University of Edinburgh; Roslin Midlothian EH25 9RG UK
| | - H. Williams
- School of Veterinary Sciences; University of Bristol; Langford Bristol BS40 5DU UK
| | - S. Woods
- Northwest Surgeons; Sutton Weaver Cheshire WA7 3FW UK
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Antoniou S, Papastergiou J, De Rango F, Griffiths D, Hamedi N, Williams H, Dolores Murillo M, Tous S, Lobban T, Alves Da Costa F. P4608Benefits of active involvement of community pharmacists in know your pulse awareness campaign. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx504.p4608] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- S. Antoniou
- Barts Health NHS Trust, London, United Kingdom
| | - J. Papastergiou
- University of Toronto, Center for Practice Excellence, Toronto, Canada
| | - F. De Rango
- Shoppers Drug Mart, Pharmacy, Toronto, Canada
| | | | - N. Hamedi
- Southwark Clinical Commissioning Group, London, United Kingdom
| | - H. Williams
- Southwark Clinical Commissioning Group, London, United Kingdom
| | - M. Dolores Murillo
- Sociedad Española de Farmacia Familiar y Comunitaria SEFAC, Madrid, Spain
| | - S. Tous
- Sociedad Española de Farmacia Familiar y Comunitaria SEFAC, Madrid, Spain
| | - T. Lobban
- Atrial Fibrillation Association, Warwickshire, United Kingdom
| | - F. Alves Da Costa
- Centre for Interdisciplinary Research Egas Moniz (CiiEM, ISCSEM), Lisbon, Portugal
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45
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Williams H, Hodgkinson A, Brown A, Byrne R, Burgess V, Hamedi N, Balazs J. P3617Improving the uptake of anticoagulation for prevention of atrial fibrillation related stroke. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx504.p3617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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46
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Reid ES, Williams H, Anderson G, Benatti M, Chong K, James C, Ocaka L, Hemingway C, Little D, Brown R, Parker A, Holden S, Footitt E, Rahman S, Gissen P, Mills PB, Clayton PT. Mutations in SLC25A22: hyperprolinaemia, vacuolated fibroblasts and presentation with developmental delay. J Inherit Metab Dis 2017; 40:385-394. [PMID: 28255779 PMCID: PMC5393281 DOI: 10.1007/s10545-017-0025-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Revised: 01/07/2017] [Accepted: 02/03/2017] [Indexed: 12/19/2022]
Abstract
Mutations in SLC25A22 are known to cause neonatal epileptic encephalopathy and migrating partial seizures in infancy. Using whole exome sequencing we identified four novel SLC25A22 mutations in six children from three families. Five patients presented clinical features similar to those in the literature including hypotonia, refractory neonatal-onset seizures and developmental delay. However, the sixth patients presented atypically with isolated developmental delay, developing late-onset (absence) seizures only at 7 years of age. Abnormal metabolite levels have not been documented in the nine patients described previously. One patient in our series was referred to the metabolic clinic because of persistent hyperprolinaemia and another three had raised plasma proline when tested. Analysis of the post-prandial plasma amino acid response in one patient showed abnormally high concentrations of several amino acids. This suggested that, in the fed state, when amino acids are the preferred fuel for the liver, trans-deamination of amino acids requires transportation of glutamate into liver mitochondria by SLC25A22 for deamination by glutamate dehydrogenase; SLC25A22 is an important mitochondrial glutamate transporter in liver as well as in brain. Electron microscopy of patient fibroblasts demonstrated widespread vacuolation containing neutral and phospho-lipids as demonstrated by Oil Red O and Sudan Black tinctorial staining; this might be explained by impaired activity of the proline/pyrroline-5-carboxylate (P5C) shuttle if SLC25A22 transports pyrroline-5-carboxylate/glutamate-γ-semialdehyde as well as glutamate.
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Affiliation(s)
- Emma S Reid
- Centre for Translational Omics, Genetics and Genomic Medicine, UCL Great Ormond Street Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK
| | - Hywel Williams
- Centre for Translational Omics, Genetics and Genomic Medicine, UCL Great Ormond Street Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK
| | - Glenn Anderson
- Histopathology Department, Great Ormond Street Hospital NHS Foundation Trust, Great Ormond Street, London, WC1N 3JH, UK
| | - Malika Benatti
- Histopathology Department, Great Ormond Street Hospital NHS Foundation Trust, Great Ormond Street, London, WC1N 3JH, UK
| | - Kling Chong
- Radiology Department, Great Ormond Street Hospital NHS Foundation Trust, Great Ormond Street, London, WC1N 3JH, UK
| | - Chela James
- Centre for Translational Omics, Genetics and Genomic Medicine, UCL Great Ormond Street Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK
| | - Louise Ocaka
- Centre for Translational Omics, Genetics and Genomic Medicine, UCL Great Ormond Street Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK
| | - Cheryl Hemingway
- Neurology Department, Great Ormond Street Hospital NHS Foundation Trust, Great Ormond Street, London, WC1N 3JH, UK
| | - Daniel Little
- Centre for Translational Omics, Genetics and Genomic Medicine, UCL Great Ormond Street Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK
- The Medical Research Council Laboratory for Molecular Cell Biology, University College London, Gower Street, London, WC1E 6BT, UK
| | - Richard Brown
- Peterborough and Stamford Hospitals NHS Foundation Trust, Edith Cavell Campus, Bretton Gate, Peterborough, PE3 9GZ, UK
| | - Alasdair Parker
- Child Development Centre, Addenbrooke's Hospital, Cambridge, CB2 0QQ, UK
| | - Simon Holden
- Clinical Genetics, Addenbrooke's Hospital, Cambridge, CB2 0QQ, UK
| | - Emma Footitt
- Metabolic Medicine Department, Great Ormond Street Hospital NHS Foundation Trust, Great Ormond Street, London, WC1N 3JH, UK
| | - Shamima Rahman
- Metabolic Medicine Department, Great Ormond Street Hospital NHS Foundation Trust, Great Ormond Street, London, WC1N 3JH, UK
- Mitochondrial Research Group, Genetics and Genomic Medicine, UCL Great Ormond Street Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK
| | - Paul Gissen
- Centre for Translational Omics, Genetics and Genomic Medicine, UCL Great Ormond Street Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK
- The Medical Research Council Laboratory for Molecular Cell Biology, University College London, Gower Street, London, WC1E 6BT, UK
- Metabolic Medicine Department, Great Ormond Street Hospital NHS Foundation Trust, Great Ormond Street, London, WC1N 3JH, UK
| | - Philippa B Mills
- Centre for Translational Omics, Genetics and Genomic Medicine, UCL Great Ormond Street Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK
| | - Peter T Clayton
- Centre for Translational Omics, Genetics and Genomic Medicine, UCL Great Ormond Street Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK.
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Quraishi M, Segal J, Mullish B, McCune V, Hawkey P, Colville A, Williams H, Hart A, Iqbal T. National survey of practice of faecal microbiota transplantation for Clostridium difficile infection in the UK. J Hosp Infect 2017; 95:444-445. [DOI: 10.1016/j.jhin.2016.10.023] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 10/25/2016] [Indexed: 10/20/2022]
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Avery KNL, Williamson PR, Gamble C, O'Connell Francischetto E, Metcalfe C, Davidson P, Williams H, Blazeby JM. Informing efficient randomised controlled trials: exploration of challenges in developing progression criteria for internal pilot studies. BMJ Open 2017; 7:e013537. [PMID: 28213598 PMCID: PMC5318608 DOI: 10.1136/bmjopen-2016-013537] [Citation(s) in RCA: 210] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 12/19/2016] [Accepted: 01/19/2017] [Indexed: 01/22/2023] Open
Abstract
OBJECTIVES Designing studies with an internal pilot phase may optimise the use of pilot work to inform more efficient randomised controlled trials (RCTs). Careful selection of preagreed decision or 'progression' criteria at the juncture between the internal pilot and main trial phases provides a valuable opportunity to evaluate the likely success of the main trial and optimise its design or, if necessary, to make the decision not to proceed with the main trial. Guidance on the appropriate selection and application of progression criteria is, however, lacking. This paper outlines the key issues to consider in the optimal development and review of operational progression criteria for RCTs with an internal pilot phase. DESIGN A structured literature review and exploration of stakeholders' opinions at a Medical Research Council (MRC) Hubs for Trials Methodology Research workshop. Key stakeholders included triallists, methodologists, statisticians and funders. RESULTS There is considerable variation in the use of progression criteria for RCTs with an internal pilot phase, although 3 common issues predominate: trial recruitment, protocol adherence and outcome data. Detailed and systematic reporting around the decision-making process for stopping, amending or proceeding to a main trial is uncommon, which may hamper understanding in the research community about the appropriate and optimal use of RCTs with an internal pilot phase. 10 top tips for the development, use and reporting of progression criteria for internal pilot studies are presented. CONCLUSIONS Systematic and transparent reporting of the design, results and evaluation of internal pilot trials in the literature should be encouraged in order to facilitate understanding in the research community and to inform future trials.
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Affiliation(s)
- Kerry N L Avery
- Medical Research Council ConDuCT-II Hub for Trials Methodology Research, School of Social and Community Medicine, University of Bristol, Bristol, UK
| | - Paula R Williamson
- Medical Research Council North West Hub for Trials Methodology Research, Department of Biostatistics, University of Liverpool, Liverpool, UK
| | - Carrol Gamble
- Medical Research Council North West Hub for Trials Methodology Research, Department of Biostatistics, University of Liverpool, Liverpool, UK
| | - Elaine O'Connell Francischetto
- Medical Research Council ConDuCT-II Hub for Trials Methodology Research, School of Social and Community Medicine, University of Bristol, Bristol, UK
| | - Chris Metcalfe
- Medical Research Council ConDuCT-II Hub for Trials Methodology Research, School of Social and Community Medicine, University of Bristol, Bristol, UK
| | - Peter Davidson
- National Institute for Health Research Evaluation, Trials and Studies Coordinating Centre, University of Southampton, Southampton, UK
| | - Hywel Williams
- Centre of Evidence-Based Dermatology, University of Nottingham, Queen's Medical Centre, Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - Jane M Blazeby
- Medical Research Council ConDuCT-II Hub for Trials Methodology Research, School of Social and Community Medicine, University of Bristol, Bristol, UK
- Division of Surgery, Head and Neck, University Hospitals Bristol NHS Foundation Trust, Bristol, UK
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Williams H, Gnade C, Ryken K, Racek A, Salinas E, Ginader T, Goodheart M. Factors Influencing BRCA Positive Women to Undergo Risk Reducing Surgery. Gynecol Oncol 2016. [DOI: 10.1016/j.ygyno.2016.08.299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Racek A, Joglekar S, Goad L, Hoff T, Williams H, Ginader T, Goodheart M. Timing and duration of primary debulking surgery on degree of cytoreduction. Gynecol Oncol 2016. [DOI: 10.1016/j.ygyno.2016.08.315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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