***EARLY BIRD DEADLINE TODAY*** *Presented by Steven A. Julious* *Dates:* 28 – 29 June, 2017 *How to find us:* Novotel, London Excel, UK *Register before 30th May for early bird prices!* *For further details or to register click **here* <http://www.psiweb.org/events/psi-events/2017/06/28/default-calendar/estimating-sample-sizes-in-clinical-trials> *About the course: * The three most important aspects of a clinical trial are: design, design and design. A sample size estimate is just one aspect of a clinical study design. The course describes calculations for sample size estimation in the design of clinical trials. It will be highlighted how the objectives of a clinical trial will impact sample size calculations. The course is a practical course and all methods will be illustrated with examples and case studies. *For more information on topics covered click **here* <http://www.psiweb.org/events/psi-events/2017/06/28/default-calendar/estimating-sample-sizes-in-clinical-trials> You may leave the list at any time by sending the command SIGNOFF allstat to [log in to unmask], leaving the subject line blank.