Undertaking studies within a trial to evaluate recruitment and retention strategies for RCTs: lessons learnt from the PROMETHEUS research programme by Parker, A, Arundel, C, Clark, L, Coleman, E, Doherty, L, Hewitt , CE, Beard, D, Bower, P, Cooper, C, Culliford, L, Devane, D, Emsley, R, Eldridge, S, Galvin, S, Gillies, K, Montgomery, A, Sutton, CJ, Treweek, S, Torgerson, DJ

IMPlementation of An online Relatives’ Toolkit for psychosis or bipolar (IMPART study): iterative multiple case study to identify key factors impacting on staff uptake and use by Lobban, F, Appelbe, D, Appleton, V, Billsborough, J, Fisher, NR, Foster, S, Gill, B, Glentworth, D, Harrop, C, Johnson, S, Jones, SH, Kovacs, TZ, Lewis, E, Mezes, B, Morton, C, Murray, E, O’Hanlon, P, Pinfold, V, Rycroft-Malone, J, Siddle, R, Smith, J, Sutton, CJ, Viglienghi, P, Walker, A

Staff training to improve participant recruitment into surgical randomised controlled trials: A feasibility study within a trial (SWAT) across four host trials simultaneously by Parker, A, Arundel, C, Mills, N, Rooshenas, L, Jepson, M, Donovan, JL, Blazeby, JM, Coleman, E, Clark, L, Doherty, L, Hewitt, CE, Partha Sarathy, P, Beard, D, Bower, P, Brealey, S, Brocklehurst, P, Cooper, C, Croft, J, Culliford, L, Dias, J, Devane, D, Eldridge, S, Emsley, R, Galvin, S, Gemperle-Mannion, E, Jayne, DG, Metcalfe, AJ, Montgomery, A, Rangan, A, Sutton, CJ, Tharmanathan, P, Treweek, S, Torgerson, D