Overview Traditional Chinese Medicine as Preventive Method for Osteoporosis Induced by Adjuvant Endocrine Therapy Status: Completed Trial end date: 2019-09-01 Target enrollment: Participant gender: Summary To test the efficacy of two Traditional Chinese Medicine in preventing osteoporosis in patients receiving adjuvant endocrine therapy. Phase: Phase 2 Details Lead Sponsor: Shanghai Jiao Tong University School of MedicineTreatments: Letrozole