During the design of the post-market re-evaluation study of antiviral oral liquid in the treatment of adult cold

the hypothesis was put forward based on the comprehensive analysis of the sponsor’s research orientation

research background and research basis

which was that the anti-viral oral solution had a significant effect on adult cold after expanding dose. The randomized controlled trial was determined to verify the hypothesis. The key elements such as subjects

interventions

controls and outcome indicators were designed with reference to the characteristics of the Chinese herb combinations in the formula to infer the indications

the instruction

the early website survey

results of clinician interviews and foreign clinical trials of common cold drugs. At the same time

this study designed the contents and methods to control the quality against the potential risks that might affect the quality of study.