As the CRO partner of this project, the LINKS team responded quickly to the needs of the sponsor with its professional and efficient work attitude, ensuring the high-quality completion of the full process of clinical trial services within the planned cycle. During the process, the LINKS team made careful plans, focused on execution, and closely connected. In the conclusion stage, the team worked closely together and obtained the summary stamps from six centers within two and a half months after completing the follow-up of the last subject, and the other three centers completed it one after another. They also assisted in the finalization of the statistical report and completed the writing of the summary report within 10 days after the database was locked. In the correction stage, the medical team provided efficient and accurate clinical supplement support, helping the sponsor to quickly obtain registration approval within 9 months.