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>Duration</td><td>Purpose</td><td>Percent of Drugs Successfully Tested</td></tr> | + | <table align ="center "><tr><td></td><td>Number of Patients</td><td>Duration</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 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>100 - 500 </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 II]] </td><td>100 - 500 </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>1000 - 8000 </td><td>1 - 4 years </td><td>Safety, effectiveness, dosage </td><td>25 - 30 percent</td></tr> | <tr><td>[[Phase III]] </td><td>1000 - 8000 </td><td>1 - 4 years </td><td>Safety, effectiveness, dosage </td><td>25 - 30 percent</td></tr> | ||
<tr><td>[[Phase IV]]</td></tr></table> | <tr><td>[[Phase IV]]</td></tr></table> |
Revision as of 04:45, 4 August 2008
Clinical Trials involve the following Phases
Testing in Humans
Number of Patients | Duration | Purpose | Percent of Drugs Successfully Tested | |
Phase I | 20 - 100 | Several months | Mainly safety | 70 percent |
Phase II | 100 - 500 | Several months to 2 years | Some short-term safety, but mainly effectiveness | 33 percent |
Phase III | 1000 - 8000 | 1 - 4 years | Safety, effectiveness, dosage | 25 - 30 percent |
Phase IV |