Abdel-Fattah, MohammedOmar, Muhammad ImranJohnson, DianaCooper, DavidConstable, LyndaTripathee, SheelaMacLennan, SaraDimitropoulos, KonstantinosEvans, SuzanneHashim, HashimKilonzo, MaryLarcombe, JamesLittle, PaulMurchie, PeterMyint, Phyo KyawN'Dow, JamesPaterson, CatherinePowell, KarenScotland, GrahamThiruchelvam, NikeshYoung, AmandaCotton, SeonaidhNorrie, JohnMacLennan, Graeme2024-12-032024-12-032024-12Abdel-Fattah, M, Omar, M I, Johnson, D, Cooper, D, Constable, L, Tripathee, S, MacLennan, S, Dimitropoulos, K, Evans, S, Hashim, H, Kilonzo, M, Larcombe, J, Little, P, Murchie, P, Myint, P K, N'Dow, J, Paterson, C, Powell, K, Scotland, G, Thiruchelvam, N, Young, A, Cotton, S, Norrie, J & MacLennan, G 2024, 'CATHETER II : a randomised controlled trial comparing the clinical and cost effectiveness of various washout policies versus no washout policy in preventing catheter associated complications in adults living with long term catheters', BMJ Open, vol. 14, no. 12, e087203. https://doi.org/10.1136/bmjopen-2024-0872032044-6055ORCID: /0000-0001-5340-0081/work/173415424ORCID: /0000-0001-9646-3904/work/173415527ORCID: /0000-0001-9968-5991/work/173415668ORCID: /0000-0003-1405-6964/work/173415681ORCID: /0000-0002-1039-5646/work/173415926ORCID: /0000-0002-3450-4536/work/173416295ORCID: /0000-0002-1597-3126/work/173416361ORCID: /0000-0003-3852-6158/work/173417147ORCID: /0000-0003-0479-1228/work/177759914https://hdl.handle.net/2164/24698Acknowledgments We thank B. Braun Medical AG for donating the supply of washout solutions (Uro-Tainer NaCl 0.9% and Uro-Tainer Twin Suby G) for this study. We are grateful for the secretarial, data co-ordination and data monitoring support from Dianne Dejean, Rebecca Bruce and Gillian Ferry. We acknowledge the support from Amanda Cardy on behalf of the NHS Research Scotland Primary Care Network. We also gratefully acknowledge the support of the Centre for Healthcare Randomised Trials; the Clinical Research Networks; the participants and their carers; the Trial Steering and Data Monitoring Committees and the teams at sites (Angela Allan, Sirjana Devkota, Judith Falconer, Fiona Flett, Danielle Pirie, Pauline Ganley, Gayle Hutcheon, Lynne Walker, Debra Barnett, Lucy Shipp, Jemma Tuffney, Cerian Williams, Dr Stacey Fisher, Katie Boichat, Dr James Kennard, Kate Hannaby, Dr Robin Fox, Libby Thomas, Dr Vibhore Prasad, Rachael Ludlow, Sarah Shelton, Mr Nikesh Thiruchelvam, Dr Suzanne Biers, Kelly Leonard, Dr Grace Ding, Lydia Owen, Dr Tony Avery, Lucy Morton, Kirsty Williams, Dr Matthew Gaw, Donna Jacob, Gareth Kennard-Holden, Lisa Roche, Alison Doherty, Lisa Mellish, Meryl Rees, Lisa Roche, Naveen Uddin, Dr Lois Mugleston, Sarah Richardson, Helen Greaves, Charlotte Adams-Heath, Eve Etell-Kirby, Josie Newton, Joanna Wright, Dr Matthew Wallard, Dr William Briggs, Lisa Westwood, Dr Rina Miah, Beverley Buck, Jill Ducker, Nicky Todd, Jacqui Vicars, Dr Zelda Cheng, Sue Harrison, Varsha Margrette, Professor Kamlesh Khunti, John Cvancara, Kate Ellis, Karen Nelson, Sara-Jane Barlow, Emma Temlett, Nicholas Faure Walker, Oluwaseun Adeyemi, David Benerayan, Pearl Dulawan, Philip Francisco, Ida Peralta, Amelia Te, Dr Gareth Forbes, Thomas Brophy, Joyce Banda, Hannah Butler, Houda Chea, Benedykt Cien, Ananya Saha, Sebastian Shereen, Dr Richard Reed, Tracey Leaper, Tracey Worland, Carrie Felgate, Paula Coventry, Lisa Dyche, Lucy Hamilton, Geraint Hughes, Jill Dimopoulos, Louise Jones, Christina Tanney, Lyndsey Wilkinson, Dr Sam Glanville, Natasha Campbell, Dr Jonathan Wild, Dr Nasir Hannan, Sarah Mead, Rebecca Roberts, Nicole Weir, Shalom Srirangam, Carl Andrews, Laura Bennett, Rachel Harding, Jeanette Hargreaves, Farzana Masters, Dr Areej Paracha, Dr Adrian Beltran-Martinez, Katie Dale, Dr Samuel Lassa, Rebecca Price, Julie Shaw, Dr Magdy Al-Gohary, Katie Cook, Karen O'Rourke, Dr Nick Wooding, Clare Murray, Dr Susan Waldron, Dr Kyle Knox, Katherine Blaze, Sam Towers, Dr Claire Hombersley, Sara Ward, Dr David Lewis, Carol Burgess, Carrie Gelhardt, Ann Kent, Dr Jonathan Marsden, Johanna Brown, Claire Sampson, Dr Jack Bond, Samantha McErlane, Dr Adam Lewandowski, Dr Hannah Ferrington, Dr Victoria Glover, Jill Larkin, Debbie Warwick). We are also grateful to Ruth Thomas for drafting the documentation for the study and to Hanne Bruhn for her help in this.141506495engR MedicineSupplementary DataRJournal article10.1136/bmjopen-2024-0872031412