On the basis of clinical trials, the probability of efficacy of new drug is 0.81. According to efficacy trial data which select patients for treatment under advantageous conditions for short time period.
Drug is a chemical substance that causes a change in an organism's when it consumed and it can benefited ( uses as a medicine) or it can be harmful. For this reason drug is tested on the bases of trial.
The main purpose of clinical drug testing to check for drug use and misuses, so that it promotes safety,etc.It used to treat cure, prevent or diagnosis a disease.
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