About this trial
The purpose of this study is to evaluate safety, tolerability, pharmacokinetics (PK), pharmacodynamics, and preliminary antitumor activity of BG-75098 alone and in combination with BGB-43395 and fulvestrant in participants with advanced solid tumors.
Eligibility criteria
Qualifiers
Participants must have measurable disease as assessed by RECIST v1.1.
Participants must have a stable Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1.
Participants must have adequate organ function.
Dose Escalation Part A: Participants with histologically or cytologically confirmed advanced, metastatic, or unresectable solid tumors potentially associated with cyclin-dependent kinase 2 (CDK2) dependency. Participants should have received prior treatment with available standard-of-care (SOC) systemic therapies for advanced/metastatic disease, or for whom standard therapy is not available or not tolerated.
Disqualifiers
For all cohorts: Prior therapy selectively targeting CDK2 inhibition or degradation.
For combination cohorts: Prior therapy selectively targeting CDK4. Prior CDK4/6 inhibitor standard of care therapy is permitted and required in local regions where it is approved and available.
Participants with active leptomeningeal disease or uncontrolled, untreated brain metastasis.
Trial design
Treatments tested in this trial
- BG-75098
- BGB-43395
- Fulvestrant