Scoping review of registration of observational studies finds inadequate registration policies, increased registration, and a debate converging toward proregistration

• Published in: Journal of clinical epidemiology Vol. 180; p. 111686
• Main Authors: Malmsiø, Daniel, Norlén, Simon, Jespersen, Cecilie, Neesgaard, Victoria Emilie, Song, Zexing, Chan, An-Wen, Hróbjartsson, Asbjørn
• Format: Journal Article
• Language: English
• Published: United States Elsevier Inc 01.04.2025; Elsevier Limited
• Subjects: Bias; Clinical trials; Cohort analysis; Convergence; Documents; Epidemiology; Human subjects; Humans; Internal Medicine; Observational studies; Observational Studies as Topic - standards; Observational Studies as Topic - statistics & numerical data; Observational study; Observational study policy; Observational study registration; Observational study registry; Policies; Registration; Registries - standards; Registries - statistics & numerical data; Scoping review; Study registry; Trends; Observational study registry; Scoping review; Observational study; Study registry; Observational study registration; Observational study policy

We aimed to examine a) the policies of national and international clinical trial registries regarding observational studies; b) the time trends of observational study registration; and c) the published arguments for and against observational study registration. Scoping review of registry practices a...