Overview Immune Therapy in HR-positive/HER2-negative Metastatic Breast Cancer(ENIGMA) Status: Not yet recruiting Trial end date: 2026-08-01 Target enrollment: Participant gender: Summary This study is a prospective, open-label, phase II clinical study for patients with HR+/HER2- advanced breast cancer. Phase: Phase 2 Details Lead Sponsor: Fudan UniversityTreatments: Albumin-Bound PaclitaxelPaclitaxel