Article info
PDFResearch methods
Original research
Progression from external pilot to definitive randomised controlled trial: a methodological review of progression criteria reporting
- Correspondence to Katie Mellor; katie.mellor{at}ndorms.ox.ac.uk
Citation
Progression from external pilot to definitive randomised controlled trial: a methodological review of progression criteria reporting
Publication history
- Received January 4, 2021
- Accepted June 8, 2021
- First published June 28, 2021.
Online issue publication
June 28, 2021
Supplementary Data
This web only file has been produced by the BMJ Publishing Group from an electronic file supplied by the author(s) and has not been edited for content.
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Copyright information
© Author(s) (or their employer(s)) 2021. Re-use permitted under CC BY. Published by BMJ. https://creativecommons.org/licenses/by/4.0/This is an open access article distributed in accordance with the Creative Commons Attribution 4.0 Unported (CC BY 4.0) license, which permits others to copy, redistribute, remix, transform and build upon this work for any purpose, provided the original work is properly cited, a link to the licence is given, and indication of whether changes were made. See: https://creativecommons.org/licenses/by/4.0/.