control group: taking yinhuang buccal tablets placebo

2 trials

Sponsors

Beijing Hospital of Traditional Chinese Medicine

Early Phase 1

Effects of Yinhuang buccal tablets on the microecology of upper respiratory tract and intestinal metabolites in healthy people

Active, not recruitingChiCTR2000029633

Beijing Hospital of Traditional Chinese Medicine

Start: 2020-03-01Updated: 2020-02-10

Effects of Yinhuang buccal tablets on the microecology of upper respiratory tract and intestinal metabolites in healthy people

Active, not recruitingITMCTR2000002979

Beijing Hospital of Traditional Chinese Medicine

Start: 2020-03-01Updated: 2023-02-20