- Editorial, Administrative Changes (correction of minor typographical errors; clarifications made to previously approved descriptions of research)
- Data, Data Collection, and Data Collection Materials (revised study diaries; revised questionnaires or QOL surveys given to participants)
- Recruitment of Subjects (changes in the way subjects are recruited; a new or revised advertisement)
- Principal Investigator Contact Information
To open the trial record for editing, refer to Updating Trial Information.