Catrin Tudur Smith

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Best practice for analysis of shared clinical trial data

Sally Hollis, Christine Fletcher, Frances Lynn, 2016, BMC Medical Research Methodology.

One‐stage individual participant data meta‐analysis models: estimation of treatment‐covariate interactions must avoid ecological bias by separating out within‐trial and across‐trial information

Richard D Riley, Joie Ensor, Danielle L Burke, 2016, Statistics in medicine.

Investigation of 2‐stage meta‐analysis methods for joint longitudinal and time‐to‐event data through simulation and real data application

Catrin Tudur Smith, Ruwanthi Kolamunnage-Dona, Maria Sudell, 2017, Statistics in medicine.

Assessing key assumptions of network meta‐analysis: a review of methods

Catrin Tudur Smith, Paula Williamson, Sarah Donegan, 2013, Research synthesis methods.

The Value of Source Data Verification in a Cancer Clinical Trial

Catrin Tudur Smith, John P. Neoptolemos, Janet Dunn, 2012, PloS one.

Treatment outcome after failure of a first antiepileptic drug

Laura J. Bonnett, Catrin Tudur Smith, Sarah Donegan, 2014, Neurology.

Investigation of one‐stage meta‐analysis methods for joint longitudinal and time‐to‐event data through simulation and real data application

Catrin Tudur Smith, Maria Sudell, François Gueyffier, 2018, Statistics in medicine.

UK publicly funded Clinical Trials Units supported a controlled access approach to share individual participant data but highlighted concerns

Catrin Tudur Smith, Mike Clarke, Paula Williamson, 2016, Journal of clinical epidemiology.

Individual participant data meta-analyses compared with meta-analyses based on aggregate data

Catrin Tudur Smith, Paula R Williamson, Maria Sudell, 2011, The Cochrane database of systematic reviews.

Quality‐of‐life outcomes of initiating treatment with standard and newer antiepileptic drugs in adults with new‐onset epilepsy: Findings from the SANAD trial

Catrin Tudur Smith, Maria Sudell, Anthony G Marson, 2015, Epilepsia.

Assessing the consistency assumption by exploring treatment by covariate interactions in mixed treatment comparison meta‐analysis: individual patient‐level covariates versus aggregate trial‐level covariates

Catrin Tudur Smith, Paula Williamson, Sarah Donegan, 2012, Statistics in medicine.

Network meta‐analysis including treatment by covariate interactions: Consistency can vary across covariate values

Nicky J Welton, Sofia Dias, Catrin Tudur Smith, 2017, Research synthesis methods.

Risk-proportionate clinical trial monitoring: an example approach from a non-commercial trials unit

Catrin Tudur Smith, Paula Williamson, Carrol Gamble, 2014, Trials.