What is a Clinical Trial?

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A clinical trial is the test or research carried out targeting people in order to develop a drug, prove the safety and effectiveness of the drug and confirm the absorption, distribution, metabolism, excretion, pharmaceutical efficacy and clinical effect of the drug. All drugs are released as new drugs after verifying the safety and effectiveness of the drug through clinical trial and receiving the approval of health authorities. The clinical trial is carried out on a precise scientific basis according to the systematic ethical guideline and this kind of testing is necessary to promote the health of human beings.
What is a Clinical Trial?

Step 01

The first clinical trial Stage to determine the effective amount of drug targeting 100~300 patients and examine the effectiveness and safety of drug

Step 02

The second clinical trial Stage to administer candidate substance to animals to examine the effectiveness and safety of drug and estimate the range of dosage for people

Step 03

The third clinical trial Stage to determine the effectiveness of drug targeting hundreds and thousands of patients and review any side effects at the probability of 1/1000 and safety for long-term administration

Step 04

The fourth clinical trial Stage to collect additional data on the actual safety of drug and search for new applicable symptoms through the side effect investigation after released to the market