Work out ethics review timeline instantly with clear inputs, formula shown and shareable results.
Ethics approval takes far longer than researchers plan for. Three weeks of preparation plus eight weeks of full committee review plus one three-week amendment round is fourteen weeks - over three months. Multi-site studies needing governance approvals at each site routinely take six months or more.
Total time
total = preparation + committee review + amendment rounds x 3 weeks
Review durations
2 weeks exempt, 4 expedited, 8 full committee, 16 multi-site
Because responses usually wait for the next committee meeting cycle, which is typically monthly, plus the researcher's turnaround time.
No. Any participant contact before approval is a serious breach that can invalidate the data and trigger institutional sanctions.