Practical help for specifying the target difference in sample size calculations for RCTs: the DELTA2 five-stage study, including a workshop

by Jonathan A Cook, Steven A Julious, William Sones, Lisa V Hampson, Catherine Hewitt, Jesse A Berlin, Deborah Ashby, Richard Emsley, Dean A Fergusson, Stephen J Walters, Edward CF Wilson, Graeme MacLennan, Nigel Stallard, Joanne C Rothwell, Martin Bland, Louise Brown, Craig R Ramsay, Andrew Cook, David Armstrong, Douglas Altman, Luke D Vale
Published 2019-10-01

Comparison of Bayesian and frequentist group-sequential clinical trial designs

by Nigel Stallard, Susan Todd, Elizabeth G. Ryan, Simon Gates
Published 2020-01-01

Using Bayesian adaptive designs to improve phase III trials: a respiratory care example

by Elizabeth G. Ryan, Julie Bruce, Andrew J. Metcalfe, Nigel Stallard, Sarah E. Lamb, Kert Viele, Duncan Young, Simon Gates
Published 2019-05-01

An adaptive two-arm clinical trial using early endpoints to inform decision making: design for a...

by Nick Parsons, Nigel Stallard, Helen Parsons, Philip Wells, Martin Underwood, James Mason, Andrew Metcalfe
Published 2019-12-01

Statistical consideration when adding new arms to ongoing clinical trials: the potentials and the caveats

by Kim May Lee, Louise C. Brown, Thomas Jaki, Nigel Stallard, James Wason
Published 2021-03-01