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Changes to aspects of ongoing randomised controlled trials with fixed designs
BACKGROUND: Despite careful planning, changes to some aspects of an ongoing randomised clinical trial (RCT), with a fixed design, may be warranted. We sought to elucidate the distinction between legitimate versus illegitimate changes to serve as a guide for less experienced clinical trialists and ot...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7268339/ https://www.ncbi.nlm.nih.gov/pubmed/32493444 http://dx.doi.org/10.1186/s13063-020-04374-3 |