DM&QC manager assigns a research assistant data management (RA data mangement) to entry CDS and give a data management supervisor or QC staffs support to verify the clinical data recorded to be complied with the approval protocol and ICH GCP, checks and summarizes findings, protecting document to prevent other users form unintentionally modifying data in addition to stop protection for data correction, submits the CDS to research and development department, and supports clinical research related to the implementation of quality assurance.