About this trial
This study is a multicenter, open-label, randomized controlled Phase 3 clinical trial. It is planned to enroll 240 female patients with locally advanced or metastatic breast cancer followed by disease progression after previous endocrine therapy.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Women aged 18 to 75 years old (including both values).
ECOG Physical Strength Status (PS) : 0 to 1 point.
Patients with locally advanced or metastatic breast cancer confirmed by histology.
Patients previously received 1-2 lines of endocrine therapy.
Disqualifiers
Patients with rapid disease progress and investigators determine that endocrine therapy is not suitable or tolerant.
A history of severe clinical cardiovascular diseases.
Patients with uncontrollable tumor-related pain as judged by investigators.
Severe infection exists within 4 weeks before the first study administration.
Trial design
Parallel
Treatments tested in this trial
HRS-8080 Tablet
DrugHRS-8080 tablet orally administered.
Fulvestrant injection
DrugFulvestrant injection.
Exemestane tablets
DrugExemestane tablets orally administered.
Everolimus Tablets
DrugEverolimus tablets orally administered.
Anastrozole Tablets
DrugAnastrozole tablets orally administered.
Letrozole Tablets
DrugLetrozole tablets orally administered.
Treatment groups
Trial outcomes
Primary outcomes
Progression free survival (PFS) evaluated by the blinded independent central review (BICR).
Secondary outcomes
Progression free survival (PFS) evaluated by investigators.
Overall response rate (ORR).
Clinical benefit rate (CBR).
Duration of response (DOR).
Sponsors and contacts
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