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Special Issue 

The collection, analysis and reporting of adverse events in randomised controlled trials
Edited by Victoria Cornelius (Imperial College London, UK) and Rachel Phillips (Imperial College London, UK)

Special Issue 
The use of electronic consent (e-Consent) in randomised trials


Special Issue
Reducing financial hardships from cancers
Edited by Dr Matthew Banegas and Dr Janet S. de Moor


Thematic series
Case studies of experience with interim data and IDMCs in RCTs
Edited by Prof Matthew Sydes (MRC Clinical Trials Unit at UCL)


Article collection
COVID-19 trial protocols

Article collection
Impact of COVID-19 on clinical trials


Thematic series
Big data for randomized trials
Edited by Dr Lars Hemkens

Thematic series
The future of pragmatic trials
Edited by Professor Marion Campbell and Professor Sandra Eldridge


Article collection
Sample size calculations and specifying the target difference for randomized trials
Collection published 5 November 2018

Thematic series
Building capacity for evidence informed trial management
Edited by Dr Roberta Littleford and Prof Shaun Treweek


Thematic series
Ten years of Trials

Article collection
Study protocols of trials in the Translating Research, Integrated Public Health Outcomes and Delivery (TRIPOD) project
Collection published 9 September 2016


Cross-journal collection
Qualitative methods, trials and systematic reviews
Edited by Prof David Gough and Dr Claire Snowdon

Cross-journal collection
Extending evidence-based medicine
Edited by Prof Trisha Greenhalgh

Thematic series
Stepped wedge randomized controlled trials
Edited by Prof David Torgerson
Collection published 17 August 2015

Cross-journal collection
New ways to publish research findings


Article collection
Study protocols of trials in the Tailored Implementation for Chronic Diseases (TICD) project

Article collection
The ISRCTN registry column


Cross-journal collection
Translating research in elder care: An applied program of health services research

Article collection
Study designs of trials within CHART: The Consortium of Hospitals Advancing Research on Tobacco
Collection published 1 August 2012


Thematic series
Five years of Trials


Thematic series
Sharing clinical research data
Edited by Dr Andrew Vickers


Thematic series
Standardization of outcomes
Edited by Prof Doug Altman

Annual Journal Metrics