Table 2 Number of ADs (95 % CI) per 10,000 registered trials per time period
From: Adaptive designs undertaken in clinical research: a review of registered clinical trials
Year | Total number | Total number of | Number of ADs per 10,000 |
|---|---|---|---|
of ADs | registered trials | registered trials (95 % CI) | |
2001–2005 | 10 | 9502 | 11 (4, 17) |
2006–2008 | 37 | 17,116 | 22 (15, 29) |
2009–2011 | 50 | 17,097 | 29 (21, 37) |
2012–2013 a | 46 | 11,037 | 38 (27, 50) |