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What is an “ongoing” clinical trial? An analysis of different sources revealed heterogeneous definitions of when a clinical trial starts and ends: a meta-research study
BACKGROUND: Although the concept of an “ongoing study” seems self-explanatory, it is difficult to determine whether a trial is underway. OBJECTIVE: To analyze the definitions of “ongoing clinical trial” across different clinical trial registries, methodological guidelines, and other sources. DESIGN...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Associação Paulista de Medicina - APM
2023
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10353842/ https://www.ncbi.nlm.nih.gov/pubmed/37466498 http://dx.doi.org/10.1590/1516-3180.2022.0634.R2.100523 |