Skip to main content

Research Repository

Advanced Search

All Outputs (13)

Identifying women giving birth preterm and care at the time of birth: a prospective audit of births at six hospitals in India, Kenya, Pakistan and Uganda (2020)
Journal Article
Mitchell, E. J., Benjamin, S., Ononge, S., Ditai, J., Qureshi, Z., Masood, S. N., …Duley, L. (2020). Identifying women giving birth preterm and care at the time of birth: a prospective audit of births at six hospitals in India, Kenya, Pakistan and Uganda. BMC Pregnancy and Childbirth, 20(1), Article 439. https://doi.org/10.1186/s12884-020-03126-0

Background: Globally, 15 million infants are born preterm each year, and one million die due to complications of prematurity. Over 60% of preterm births occur in Sub-Saharan Africa and south Asia. Care at birth for premature infants may be critical f... Read More about Identifying women giving birth preterm and care at the time of birth: a prospective audit of births at six hospitals in India, Kenya, Pakistan and Uganda.

Cost-benefit of outcome adjudication in nine randomised stroke trials (2020)
Journal Article
Godolphin, P. J., Bath, P. M., Algra, A., Berge, E., Chalmers, J., Eliasziw, M., …Montgomery, A. A. (2020). Cost-benefit of outcome adjudication in nine randomised stroke trials. Clinical Trials, 17(5), 576-580. https://doi.org/10.1177/1740774520939231

Background: Central adjudication of outcomes is common for randomised trials and should control for differential misclassification. However, few studies have estimated the cost of the adjudication process. Methods: We estimated the cost of adjudicat... Read More about Cost-benefit of outcome adjudication in nine randomised stroke trials.

Standard care informed by the result of a placental growth factor blood test versus standard care alone in women with reduced fetal movement at or after 36+0 weeks’ gestation: a pilot randomised controlled trial (2020)
Journal Article
Armstrong-Buisseret, L., Godolphin, P. J., Bradshaw, L., Mitchell, E., Ratcliffe, S., Storey, C., & Heazell, A. E. P. (2020). Standard care informed by the result of a placental growth factor blood test versus standard care alone in women with reduced fetal movement at or after 36+0 weeks’ gestation: a pilot randomised controlled trial. Pilot and Feasibility Studies, 6, Article 23. https://doi.org/10.1186/s40814-020-0561-z

Background Biomarkers of placental function can potentially aid the diagnosis and prediction of pregnancy complications. This randomised controlled pilot trial assessed whether for women with reduced fetal movement (RFM), intervention directed by... Read More about Standard care informed by the result of a placental growth factor blood test versus standard care alone in women with reduced fetal movement at or after 36+0 weeks’ gestation: a pilot randomised controlled trial.

Prehospital Transdermal Glyceryl Trinitrate for Ultra-Acute Intracerebral Hemorrhage (2019)
Journal Article
Bath, P. M., Woodhouse, L. J., Krishnan, K., Appleton, J. P., Anderson, C. S., Berge, E., …Sprigg, N. (2019). Prehospital Transdermal Glyceryl Trinitrate for Ultra-Acute Intracerebral Hemorrhage. Stroke, 50(11), 3064-3071. https://doi.org/10.1161/STROKEAHA.119.026389

Background and Purpose— Pilot trials suggest that glyceryl trinitrate (GTN; nitroglycerin) may improve outcome when administered early after stroke onset. Methods— We undertook a multicentre, paramedic-delivered, ambulance-based, prospective ran... Read More about Prehospital Transdermal Glyceryl Trinitrate for Ultra-Acute Intracerebral Hemorrhage.

Outcome Assessment by Central Adjudicators Versus Site Investigators in Stroke Trials: A Systematic Review and Meta-Analysis (2019)
Journal Article
Godolphin, P. J., Bath, P. M., Algra, A., Berge, E., Brown, M. M., Chalmers, J., …on behalf of the Adjudicating Outcomes in Stroke Trials Collaboration*. (2019). Outcome Assessment by Central Adjudicators Versus Site Investigators in Stroke Trials: A Systematic Review and Meta-Analysis. Stroke, 50(8), 2187-2196. https://doi.org/10.1161/strokeaha.119.025019

© 2019 American Heart Association, Inc. Background and Purpose-In randomized stroke trials, central adjudication of a trial's primary outcome is regularly implemented. However, recent evidence questions the importance of central adjudication in rando... Read More about Outcome Assessment by Central Adjudicators Versus Site Investigators in Stroke Trials: A Systematic Review and Meta-Analysis.

Prehospital transdermal glyceryl trinitrate in patients with ultra-acute presumed stroke (RIGHT-2): an ambulance-based, randomised, sham-controlled, blinded, phase 3 trial (2019)
Journal Article
Bath, P. M., Scutt, P., Anderson, C. S., Appleton, J. P., Berge, E., Cala, L., …Mir, R. (2019). Prehospital transdermal glyceryl trinitrate in patients with ultra-acute presumed stroke (RIGHT-2): an ambulance-based, randomised, sham-controlled, blinded, phase 3 trial. Lancet, 393(10175), 1009-1020. https://doi.org/10.1016/S0140-6736%2819%2930194-1

© 2019 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license Background: High blood pressure is common in acute stroke and is a predictor of poor outcome; however, large trials of lowering blood pressure... Read More about Prehospital transdermal glyceryl trinitrate in patients with ultra-acute presumed stroke (RIGHT-2): an ambulance-based, randomised, sham-controlled, blinded, phase 3 trial.

Short email with attachment versus long email without attachment when contacting authors to request unpublished data for a systematic review: a nested randomised trial (2019)
Journal Article
Godolphin, P. J., Bath, P. M., & Montgomery, A. A. (2019). Short email with attachment versus long email without attachment when contacting authors to request unpublished data for a systematic review: a nested randomised trial. BMJ Open, 9(1), Article e25273. https://doi.org/10.1136/bmjopen-2018-025273

Objective: Systematic reviews often rely on the acquisition of unpublished analyses or data. We carried out a nested randomised trial comparing two different approaches for contacting authors to request additional data for a systematic review. Part... Read More about Short email with attachment versus long email without attachment when contacting authors to request unpublished data for a systematic review: a nested randomised trial.

Central adjudication of serious events did not affect trial's safety results: data from the Efficacy of Nitric Acid in Stroke (ENOS trial) (2018)
Journal Article
Godolphin, P., Montgomery, A., Woodhouse, L., Bereczki, D., Berge, E., Collins, R., …ENOS Investigators. (2018). Central adjudication of serious events did not affect trial's safety results: data from the Efficacy of Nitric Acid in Stroke (ENOS trial). PLoS ONE, 13(11), Article e0208142. https://doi.org/10.1371/journal.pone.0208142

Background and Purpose: Central adjudication of serious adverse events (SAEs) can be undertaken in clinical trials, especially for open-label studies where outcome assessment may be at risk of bias. This study explored the effect of central adjudicat... Read More about Central adjudication of serious events did not affect trial's safety results: data from the Efficacy of Nitric Acid in Stroke (ENOS trial).

Central masked adjudication of stroke diagnosis at trial entry offered no advantage over diagnosis by local clinicians: secondary analysis and simulation (2018)
Journal Article
Godolphin, P., Hepburn, T., Sprigg, N., Walker, L., Berge, E., Collins, R., …Montgomery, A. (2018). Central masked adjudication of stroke diagnosis at trial entry offered no advantage over diagnosis by local clinicians: secondary analysis and simulation. Contemporary Clinical Trials Communications, 12, 176-181. https://doi.org/10.1016/j.conctc.2018.11.002

Background Central adjudication of stroke type is commonly implemented in large multicentre clinical trials. We investigated the effect of central adjudication of diagnosis of stroke type at trial entry in the Efficacy of Nitric Oxide in Stroke (E... Read More about Central masked adjudication of stroke diagnosis at trial entry offered no advantage over diagnosis by local clinicians: secondary analysis and simulation.

Robust assessment of two-treatment higher-order cross-over designs against missing values (2018)
Journal Article
Godolphin, P., & Godolphin, E. (2019). Robust assessment of two-treatment higher-order cross-over designs against missing values. Computational Statistics and Data Analysis, 132, 31-45. https://doi.org/10.1016/j.csda.2018.06.020

© 2018 Elsevier B.V. In scientific experiments where human behaviour or animal response is intrinsically involved, such as clinical trials, there is a strong possibility of recording missing values. Missing data in a clinical trial has the potential... Read More about Robust assessment of two-treatment higher-order cross-over designs against missing values.

Robustness of crossover trials against subject drop-out – Examples of perpetually connected designs (2017)
Journal Article
Godolphin, P., & Godolphin, E. (2019). Robustness of crossover trials against subject drop-out – Examples of perpetually connected designs. Statistical Methods in Medical Research, 28(3), 788-800. https://doi.org/10.1177/0962280217736541

When performing a repeated measures experiment, such as a clinical trial, there is a risk of subject drop-out during the experiment. If one or more subjects leave the study prematurely, a situation could arise where the eventual design is disconnecte... Read More about Robustness of crossover trials against subject drop-out – Examples of perpetually connected designs.

Investigating the effect of independent blinded digital image assessment on the STOP GAP trial (2017)
Journal Article
Patsko, E., Godolphin, P. J., Thomas, K. S., Hepburn, T., Mitchell, E., Craig, F. E., …Montgomery, A. A. (2017). Investigating the effect of independent blinded digital image assessment on the STOP GAP trial. Trials, 18(1), Article 53. https://doi.org/10.1186/s13063-017-1779-9

Background Blinding is the process of keeping treatment assignment hidden and is used to minimise the possibility of bias. Trials at high risk of bias have been shown to report larger treatment effects than low risk studies. In dermatology, one popu... Read More about Investigating the effect of independent blinded digital image assessment on the STOP GAP trial.