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How often do US-based human subjects research studies register on time, and how often do they post their results? A statistical analysis of the Clinicaltrials.gov database
CONTEXT: The Food and Drug Administration Modernization Act of 1997 (FDAMA) and the FDA Amendment Act of 2007 (FDAAA), respectively, established mandates for registration of interventional human research studies on the website clinicaltrials.gov (CTG) and for posting of results of completed studies....
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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BMJ Group
2012
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3432835/ https://www.ncbi.nlm.nih.gov/pubmed/22936820 http://dx.doi.org/10.1136/bmjopen-2012-001186 |