About this trial
Assessment of the safety and efficacy of HLD-0117 as monotherapy in patients with estrogen receptor positive (ER+) metastatic breast cancer (MBC) or locally advanced breast cancer that have progressed on prior systemic therapies.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Female (assigned at birth), ≥18 years old, and able to provide informed consent
Histologically confirmed metastatic or locally advanced breast cancer
Postmenopausal status defined by surgical or natural menopause, or ovarian suppression with a GnRH agonist
Prior treatment including at least one endocrine therapy in the metastatic setting, at least one CDK4/6 inhibitor (in the adjuvant and/or metastatic setting), and no more than two prior cytotoxic regimens in the metastatic setting
Disqualifiers
Inflammatory breast cancer or known brain metastases
Recent major bleeding or uncontrolled bleeding disorder
Ongoing corticosteroid use >10 mg/day (prednisone equivalent)
Recent anticancer or investigational therapy within 14 days (28 days for fulvestrant)
Trial design
Sequential
Treatments tested in this trial
HLD-0117
DrugA treatment cycle consists of 28 days. Treatment may continue until disease progression or study discontinuation (withdrawal of consent, intercurrent illness, unacceptable adverse event or any other changes unacceptable for further treatment, etc.)
Treatment groups
Trial outcomes
Primary outcomes
Dose Limiting Toxicities (DLTs)
Frequency of dose-limiting toxicities (DLTs)
AEs, ECGs, Labs and Clinical Changes
Frequency and severity of adverse events (AEs) and abnormal electrocardiogram (ECG), laboratory and clinical changes from baseline
Secondary outcomes
Objective response rate (ORR)
Objective response rate (ORR) per RECIST in evaluable patients
Duration of response (DOR)
Duration of response (DOR)
Progression-free survival (rPFS)
Radiographic progression-free survival (rPFS)
Disease Control Rate (DCR)
Disease Control Rate (DCR)
Sponsors and contacts
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