Clinical Trials
From DrugPedia: A Wikipedia for Drug discovery
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Testing in Humans | Testing in Humans | ||
| - | + | <table align ="center"><tr><td></td><td>Number of Patients </td><td>Length</td><td>Purpose</td><td>Percent of Drugs Successfully Tested</td></tr> | |
| - | + | <tr><td>[[Phase I]]</td><td>20 - 100</td><td>Several months</td><td>Mainly safety</td><td>70 percent</td></tr> | |
| - | + | <tr><td>[[Phase II]] </td><td> Upto several hundred </td><td>Several months to 2 years</td><td>Some short-term safety, but mainly effectiveness </td><td>33 percent</td></tr> | |
| - | + | <tr><td>[[Phase III]] </td><td>Several hundred to several thousand </td><td>1 - 4 years </td><td>Safety, effectiveness, dosage </td><td>25 - 30 percent</td></tr> | |
| - | + | <tr><td>[[Phase IV]]</td></tr></table> | |
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Revision as of 05:12, 31 July 2008
Clinical Trials involve the following Phases
Testing in Humans
| Number of Patients | Length | Purpose | Percent of Drugs Successfully Tested | |
| Phase I | 20 - 100 | Several months | Mainly safety | 70 percent |
| Phase II | Upto several hundred | Several months to 2 years | Some short-term safety, but mainly effectiveness | 33 percent |
| Phase III | Several hundred to several thousand | 1 - 4 years | Safety, effectiveness, dosage | 25 - 30 percent |
| Phase IV |
