Determining external randomised pilot trial feasibility in preparation for a definitive trial: a web-based survey of corresponding authors of external pilot trial publications by Mellor, K, Dutton, SJ, Hopewell, S

How are progression decisions made following external randomised pilot trials? A qualitative interview study and framework analysis by Mellor, K, Dutton, SJ, Hopewell, S, Albury, C

Recommendations for progression criteria during external randomised pilot trial design, conduct, analysis and reporting by Mellor, K, Albury, C, Dutton, SJ, Eldridge, S, Hopewell, S

Radiographic malunion after ankle fractures in older adults: definitions and new thresholds derived from clinical outcome data from the AIM trial by Knight, R, Keene, DJ, Dutton, SJ, Handley, R, Willett, K

A simulation study to compare longitudinal methods for the analysis of randomised trials and the implications for sample size calculation by Copsey, B, Dutton, SJ, Fitzpatrick, R, Lamb, SE, Cook, JA

Better Outcomes for Older people with Spinal Trouble (BOOST) trial: statistical analysis plan for a randomised controlled trial of a combined physical and psychological interventio... by Marian, IR, Williamson, E, Garrett, A, Lamb, SE, Dutton, SJ

Inclusion of progression criteria in external randomised pilot trials: a cross-sectional study of funding applications submitted to the NIHR Research for Patient Benefit Programme by Mellor, K, Harwood, J, Hejdenberg, J, Morgan, B, Dutton, SJ, Hopewell, S

Progressive exercise compared with best practice advice, with or without corticosteroid injection, for the treatment of rotator cuff disorders: statistical analysis plan for the Ge... by Marian, IR, Hopewell, S, Keene, DJ, Cureton, L, Lamb, SE, Dutton, SJ

Duration of treatment effect should be considered in the design and interpretation of clinical trials: results of a discrete choice experiment by Copsey, B, Buchanan, J, Fitzpatrick, R, Lamb, SE, Dutton, SJ, Cook, JA

Statistical analysis plan for a pragmatic phase III randomised controlled trial examining behaviour change physiotherapy intervention to increase physical activity following hip an... by Ooms, AG, Dutton, SJ, Parsons, S, Fordham, B, Hing, C, Lamb, SE, Smith, T

When factorial design randomized control trials are no plain sailing by Marian, IR, Dutton, SJ, Virdee, PS, Mansouri, A, Peckham, N, Chester-Jones, M, Hopewell, S

Getting Recovery Right After Neck Dissection (GRRAND-F): mixed-methods feasibility study to design a pragmatic randomised controlled trial protocol by Gallyer, VH, Smith, TO, Fordham, B, Dutton, SJ, Chester-Jones, M, Lamb, SE, Winter, SC

Challenges in factorial design randomized control trials by Marian, IR, Dutton, SJ, Virdee, PS, Mansouri, A, Peckham, N, Chester-Jones, M, Hopewell, S

Economic costs, health-related quality of life outcomes and cost-utility of a physical and psychological group intervention targeted at older adults with neurogenic claudication by Maredza, M, Kamran, K, Marian, IR, Dutton, SJ, Williamson, E, Lamb, SE, Stavros, P

Interleukin-2 Therapy of Autoimmunity in Diabetes (ITAD): a phase 2, multicentre, double-blind, randomized, placebo-controlled trial by Marcovecchio, ML, Wicker, LS, Dunger, DB, Dutton, SJ, Kopijasz, S, Scudder, C, Todd, JA, Johnson, PRV

Sample size calculations are poorly conducted and reported in many randomized trials of hip and knee osteoarthritis: results of a systematic review by Copsey, B, Thompson, J, Vadher, K, Ali, U, Dutton, SJ, Fitzpatrick, R, Lamb, S, Cook, JA

Behaviour change physiotherapy intervention to increase physical activity following hip and knee replacement (PEP-TALK): study protocol for a pragmatic randomised controlled trial by Smith, TO, Parsons, SR, Fordham, B, Ooms, AG, Dutton, SJ, Barber, VS, Png, ME, Lamb, SE, Et al.

Progression from external pilot to definitive randomised controlled trial: a methodological review of progression criteria reporting by Mellor, K, Eddy, S, Peckham, N, Bond, CM, Campbell, MJ, Lancaster, GA, Thabane, L, Eldridge, SM, Dutton, SJ, Hopewell, S

Platelet rich plasma injection for acute Achilles tendon rupture: two-year follow-up of the PATH-2 randomised, placebo-controlled, superiority trial by Keene, D, Alsousou, J, Harrison, P, O'connor, HM, Wagland, S, Dutton, SJ, Hulley, P, Lamb, SE, Willett, K

Clinical effectiveness of symptomatic therapy compared to standard step up care for the treatment of low impact psoriatic oligoarthritis: the 2-arm parallel group randomised POISE... by Rombach, I, Tucker, L, Tillett, W, Jadon, D, Watson, M, Francis, A, Sinomati, Y, Dutton, SJ, Coates, L