Current developments in CRTs and SW-CRT designs 2018

21st to 22nd November 2018

This annual meeting consists of a series of short talks, poster presentations and discussions and workshops about new perspectives for the design, the analysis, and the reporting of cluster and stepped wedge designs.

Click here to download the programme, and click below for presentations that the speakers are happy to share.

Richard Hooper ‘Cluster randomised trials with continuous recruitment: optimal design of a parallel groups trial with a prospective baseline period

Lazaro Mwandigha ‘Power calculation for Cluster Randomised Trials (CRT) with truncated outcomes: A motivating example using truncated Poisson distributed outcomes from a planned malaria vector control CRT study

Alan Girling ‘An algorithm to optimise the sampling strategy within the clusters of a stepped-wedge design

Murielle Mbekwe ‘A note about the association between Crespi’s R and prevalence

Charles Weijer, Monica Taljaard, Cory Goldstein ‘Workshop on Ethics in CRTs’ Slides 1 Slides 2 Slides 3 Slides 4

Stephanie Dixon ‘Analysis of the stepped wedge cluster randomized trial with small number of clusters: An empirical assessment of available methods for a binary outcome

Andrew Forbes ‘When a design with more subjects per cluster is more efficient than more clusters with fewer subjects per cluster: An example with a multiple-period cluster randomised crossover trial

Christopher Jarvis ‘Cluster reallocation – A new method for assessing the presence of spatial spillover in cluster randomised trials

Jessica Kasza ‘Optimal allocation of clusters in staircase cluster randomised trial designs

Paul Seed ‘Nothing is as expected! Statistical lessons from CRADLE 3 – a multinational stepped wedge RCT in a low resource setting

Karla Hemming ‘Reporting back on the results from a crowdsourcing review conducted at the Current Developments in Cluster Randomised Trials and Stepped Wedge Designs 2017

Kelsey Grantham can be contacted at if anyone would like a copy of her slides on ‘How many times should a cluster randomised crossover trial cross over?’