A Study of Yiqi Yangyin Formula in the Treatment of Primary Sjogren's Syndrome

This project aims to conduct a prospective, randomized, double-blind, controlled clinical study to clarify the efficacy and safety of the YiQi YangYin Formula in treating patients with primary Sjogren's syndrome (pSS) presenting with Qi and Yin deficiency syndrome, with the expectation of providing a scientific basis for the research and development of new traditional Chinese medicine drugs for the effective treatment of pSS.

NCT Number	NCT07145060
Lead Sponsor	China-Japan Friendship Hospital
Conditions	Primary Sjögren's Syndrome (pSS)
Enrollment	105 participants
Start Date	2025-09-01
Primary Completion	2028-01-31 (estimated)
Study Completion	2028-03-31 (estimated)
Updated on ClinicalTrials.gov	2025-08-28