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

ABSTRACT 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 sourc...

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Autors principals:	Rafael Leite Pacheco, Ana Luiza Cabrera Martimbianco, Rachel Riera
Format:	Artigo
Idioma:	Inglês
Publicat:	Associação Paulista de Medicina 2023-07-01
Col·lecció:	São Paulo Medical Journal
Matèries:	Randomized controlled trials as topic Controlled clinical trials as topic Clinical trial [publication type] Study classification Study category Ongoing studies
Accés en línia:	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-31802024000100300&lng=en&tlng=en
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