| phase |
When something is in phase with another wave, it is said to be moving in the same direction and same wavelength, frequency, pitch etc. with the other wave.
출처: library.thinkquest.org/11924/glossary.html
|
|---|---|
| phase I trial |
The first stage in testing a new drug in humans. The studies are usually done to gather preliminary information on the chemical action and safety of the drug using healthy volunteers. Usually done without a comparison group.
출처: www.aegis.com/pubs/cria/2003/CR030902.html
|
| phase II trial |
The second stage in testing a new drug in humans. Performed in patients with the disease or condition being studied. The main purpose is to evaluate the activity of a drug, and to possibly provide information on how well the drug works.
출처: www.aegis.com/pubs/cria/2003/CR030902.html
|
| phase III trial |
The third and usually final stage in testing a new drug in humans. Used to collect information about the safety of a drug and how well it works. Once this phase is complete, the drug manufacturers may request permission from the Food and Drug Administration to market the drug.
출처: www.aegis.com/pubs/cria/2003/CR030902.html
|
| phase IV trial |
A large trial designed to evaluate the long-term safety and effectiveness of a drug that has been approved by the Food and Drug Administration.
출처: www.aegis.com/pubs/cria/2003/CR030902.html
|