Browsing Centre for Clinical Trials & Methodology by Author "Hooper, R"
Now showing items 1-20 of 21
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The batched stepped wedge design: A design robust to delays in cluster recruitment
Kasza, J; Bowden, R; Hooper, R; Forbes, AB (2022) -
Cluster randomised trials with baseline data: sample size and optimal designs
Copas, A; Hooper, R (SAGE Publications, 2019-10-03) -
Completeness of reporting and risks of overstating impact in cluster randomised trials: a systematic review
Turner, EL; Platt, AC; Gallis, JA; Tetreault, K; Easter, C; McKenzie, JE; Nash, S; Forbes, AB; Hemming, K; Group, CBOR (Elsevier, 2021-08-01) -
Cutting edge or blunt instrument: how to decide if a stepped wedge design is right for you.
Hooper, R; Eldridge, SM (2020-06-16) -
The Early Youth Engagement in first episode psychosis (EYE-2) study: pragmatic cluster randomised controlled trial of implementation, effectiveness and cost-effectiveness of a team-based motivational engagement intervention to improve engagement.
Greenwood, K; Webb, R; Gu, J; Fowler, D; de Visser, R; Bremner, S; Abramowicz, I; Perry, N; Clark, S; O'Donnell, A (2021-04-12)BACKGROUND: Early Intervention in Psychosis (EIP) services improve health outcomes for young people with psychosis in the medium-long term, but 25% of young people disengage in the first 12 months with costs to their mental ... -
Editors' Choice - July 2023.
Tovey, D; Tricco, AC; Hooper, R; Veroniki, A-A (2023-07) -
External validation of prognostic models predicting pre-eclampsia: individual participant data meta-analysis.
Snell, KIE; Allotey, J; Smuk, M; Hooper, R; Chan, C; Ahmed, A; Chappell, LC; Von Dadelszen, P; Green, M; Kenny, L (2020-11-02)BACKGROUND: Pre-eclampsia is a leading cause of maternal and perinatal mortality and morbidity. Early identification of women at risk during pregnancy is required to plan management. Although there are many published ... -
Facedown Positioning Following Surgery for Large Full-Thickness Macular Hole: A Multicenter Randomized Clinical Trial.
Pasu, S; Bell, L; Zenasni, Z; Lanz, D; Simmonds, IA; Thompson, A; Yorston, D; Laidlaw, DAH; Bunce, C; Hooper, R (American Medical Association, 2020-05-07)Importance: The value of facedown positioning following surgery for large full-thickness macular holes is unknown. Objective: To determine whether advice to position facedown postoperatively improves the outcome for large ... -
Health Economic Evaluation Alongside Stepped Wedge Trials: A Methodological Systematic Review
Lung, T; Si, L; Hooper, R; Di Tanna, GL (2020-10-05) -
HEALTH ECONOMIC EVALUATION ALONGSIDE STEPPED WEDGE TRIALS: A METHODOLOGICAL SYSTEMATIC REVIEW AND RECOMMENDATIONS OF APPROPRIATE MODELLING APPROACHES
Di Tanna, GL; Lung, T; Si, L; Hooper, R (2021-06) -
The hunt for efficient, incomplete designs for stepped wedge trials with continuous recruitment and continuous outcome measures
Hooper, R; Kasza, J; Forbes, A (BioMed Central, 2020-11-17) -
Key concepts in clinical epidemiology: Stepped wedge trials
Hooper, R (Elsevier, 2021-04-20) -
Optimal incomplete stepped wedge trials with continuous recruitment
Hooper, R; Forbes, A; Kasza, J (2019) -
PMU56 Health Economic Evaluation Alongside Stepped Wedge Trials: A Methodological Systematic Review and Recommendations of Appropriate Modelling Approaches
Di, TG; Lung, T; Si, L; Hooper, R (2021-06-01) -
Re-randomisation trials in multi-episode settings: Estimands and independence estimators
Kahan, BC; White, IR; Hooper, R; Eldridge, S (2022) -
Sample size and power calculations for open cohort longitudinal cluster randomized trials.
Kasza, J; Hooper, R; Copas, A; Forbes, AB (John Wiley and Sons, 2020-03-04)When calculating sample size or power for stepped wedge or other types of longitudinal cluster randomized trials, it is critical that the planned sampling structure be accurately specified. One common assumption is that ... -
Sperm selection for assisted reproduction by prior hyaluronan binding: the HABSelect RCT
Kirkman-Brown, J; Pavitt, S; Khalaf, Y; Lewis, S; Hooper, R; Bhattacharya, S; Coomarasamy, A; Sharma, V; Brison, D; Forbes, G (2019-02-01)Background Sperm selection for intracytoplasmic sperm injection (ICSI) has traditionally relied on standardised methods of sperm processing combined with subjective sperm selection (motility/morphology). In 2012, live birth ... -
The staircase cluster randomised trial design: A pragmatic alternative to the stepped wedge.
Grantham, KL; Forbes, AB; Hooper, R; Kasza, J (2023-11-30)This article introduces the 'staircase' design, derived from the zigzag pattern of steps along the diagonal of a stepped wedge design schematic where clusters switch from control to intervention conditions. Unlike a complete ... -
Statistical analysis plan for the Early Youth Engagement in first episode psychosis (EYE-2) study: a pragmatic cluster randomised controlled trial of implementation, effectiveness and cost-effectiveness of a team-based motivational engagement intervention to improve engagement.
Jones, CI; Bremner, S; Hooper, R; Gu, J; Bartl, G; Greenwood, K (2021-10-23)BACKGROUND: Early Intervention in Psychosis (EIP) services improve health outcomes for young people with psychosis in the medium-long term, but 25% of young people disengage in the first 12 months with costs to their mental ... -
Tailored psychological intervention for anxiety or depression in COPD (TANDEM): a randomised controlled trial.
Taylor, SJC; Sohanpal, R; Steed, L; Marshall, K; Chan, C; Yaziji, N; Barradell, AC; Font-Gilabert, P; Healey, A; Hooper, R (2023-08-24)This multi-centre, pragmatic, randomised controlled trial evaluated whether a tailored psychological intervention based on a cognitive behavioural approach for people with COPD and symptoms of anxiety and/or depression ...