Year
|
Number of UK trials registered
|
% registered with ClinGov
|
% registered with ISRCTN
|
---|
1990
|
25
|
4
|
96
|
1991
|
10
|
0
|
100
|
1992
|
21
|
25
|
75
|
1993
|
42
|
16.7
|
83.2
|
1994
|
57
|
7.6
|
92.4
|
1995
|
132
|
7.6
|
92.4
|
1996
|
88
|
6.9
|
93.1
|
1997
|
132
|
8.3
|
91.7
|
1998
|
151
|
15.1
|
84.9
|
1999
|
188
|
8.5
|
91.5
|
2000
|
236
|
5.5
|
94.5
|
2001
|
265
|
13.6
|
86.4
|
2002
|
447
|
3.6
|
96.4
|
2003
|
533
|
8.3
|
91.7
|
2004
|
430
|
9.3
|
90.7
|
2005
|
458
|
13.5
|
86.5
|
2006
|
434
|
15.7
|
84.3
|
2007
|
291
|
31.3
|
68.7
|
2008
|
284
|
31.7
|
68.3
|
2009
|
334
|
35
|
65
|
Total
|
4,568
| | |
- ClinGov, US Clinical Trials Government Register; ISRCTN, International Standard Randomised Controlled Trial Number.