Table 1 Characteristics of the 52 randomised placebo-controlled clinical trials
From: Placebo-controlled clinical trials: how trial documents justify the use of randomisation and placebo
N(%) | ||
|---|---|---|
Phase of the clinical trial | ||
II | 11 (21) | |
III | 40 (77) | |
IV | 1 (2) | |
Type of trial | ||
International multi-centre trial | 46 (88) | |
Investigator-initiated national study | 6 (12) | |
Target condition of the trial | ||
Depression | 12 (23) | |
Other psychiatric condition | 4 (8) | |
Diabetes | 7 (13) | |
Epilepsy | 6 (12) | |
Alzheimer’s disease and/or other cognitive disorders | 6 (12) | |
Cancer | 1 (2) | |
Obesity | 2 (4) | |
Others | 14 (27) |