Characteristics of Interim Publications of Randomized Clinical Trials and Comparison With Final Publications

JAMA. 2018 Jan 23;319(4):404-406. doi: 10.1001/jama.2017.20653.


This study describes the number of interim reports of ongoing randomized trials published between 2006 and 2015, the reasons for interim reporting, and differences in the abstract conclusions between interim and final publications.

Publication types

  • Comparative Study
  • Research Support, N.I.H., Extramural

MeSH terms

  • Humans
  • Publications
  • Publishing*
  • Randomized Controlled Trials as Topic*
  • Research Design
  • Time Factors