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The Benefits and Risks of Iron interventionS in Children (BRISC) trial: Statistical analysis plan
Sabine Braat1, Leila Larson2,3, Julie A Simpson1
1Centre for Epidemiology and Biostatistics, University of Melbourne, Melbourne, Australia.
Insights
This study details the statistical analysis plan for the Benefits and Risks of Iron interventionS in Children (BRISC) trial. It ensures transparent and reproducible evaluation of iron supplementation
Area of Science:
- Pediatric Nutrition
- Public Health Interventions
- Clinical Trial Methodology
Background:
- The Benefits and Risks of Iron interventionS in Children (BRISC) trial investigates iron supplementation's effects in rural Bangladeshi children.
- Evaluates iron supplements versus multiple micronutrient powders (MNPs) against placebo.
Purpose of the Study:
- To outline the statistical analysis plan for the BRISC trial.
- To ensure transparency and reproducibility in analyzing trial data on child development, growth, and health outcomes.
Main Methods:
- A multi-site, three-arm, double-dummy blinded, parallel group, randomized controlled superiority trial.
- Involves 3300 children aged 8 months.
- Statistical analysis plan developed by trial statisticians in consultation with committees.
Main Results:
- This paper focuses on the statistical analysis plan, not preliminary results.
- The plan details the methodology for analyzing data collected post-intervention and post-follow-up.
Conclusions:
- The published statistical analysis plan supports transparent and reproducible reporting of BRISC trial findings.
- Facilitates rigorous evaluation of iron interventions in child populations.
Abstract:
Background: The Benefits and Risks of Iron interventionS in Children (BRISC) trial will evaluate the impact of universal supplementation with iron supplements or iron-containing multiple micronutrient powders (MNPs) compared with placebo given for 3 months on child development, growth, morbidity, laboratory indices of anaemia, iron deficiency, and inflammation at end of intervention and after a further 9 months post intervention in children aged 8 months living in rural Bangladesh. This paper describes the statistical analysis plan. Methods: BRISC is a multi-site, three-arm, double-dummy blinded, parallel group, randomised control superiority trial in 3300 children. The statistical analysis plan was developed by the trial statistician in consultation with the trial steering committee and trial management committee based on the protocol, data collection forms, and study outcomes available in the blinded study database. Conclusion: This detailed statistical analysis plan published prior to unblinding the allocated treatments will support the statistical analyses and reporting of the BRISC trial to be undertaken after unblinding. It allows for transparency as well as reproducibility of statistical analyses and reporting. Registration: Australian New Zealand Clinical Trials Registry ACTRN12617000660381 (registered on 8 May 2017); World Health Organization Universal Trial Number U1111-1196-1125.
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