About this trial
This is a study to evaluate the safety, tolerability, and pharmacokinetic characteristics of HRS-6209 combined with other treatment regimens in breast cancer patients, and preliminarily observe its anti-tumor efficacy.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Women aged 18-75 years.
ECOG performance status 0-1.
Menopausal status.
Evidence of radiographic disease progression during or after the last systemic anti-tumor therapy prior to the first study drug administration.
Disqualifiers
Symptomatic visceral metastasis and other conditions, and the researcher judged that endocrine therapy was not suitable for use.
History of clinically serious cardiovascular disease.
The ECG examination was abnormal.
Patients with clinically significant endometrial abnormalities, including but not limited to endometrial hyperplasia and dysfunctional uterine bleeding.
Trial design
Single group
Treatments tested in this trial
HRS-6209 Capsules
DrugOral HRS-6209 capsules.
Letrozole Tablets
DrugOral Letrozole tablets.
HRS-2189 Tablets
DrugHRS-2189 tablets.
Treatment groups
Trial outcomes
Primary outcomes
Dose-limiting toxicity (DLT)
Maximum tolerated dose (MTD)
Recommended phase II dose (RP2D)
Adverse events (AEs)
Secondary outcomes
Best overall response (BOR)
Duration of response (DoR)
Clinical benefit rate (CBR)
Progression-free survival (PFS)
Sponsors and contacts
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