Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
Eisai Inc.
Age
18–any
Sex
FEMALE
Healthy volunteers
Not accepted
You may be eligible if
1. Pre- or post-menopausal women.
2. ER-positive, HER2-negative breast cancer that is advanced or metastatic.
3. Progressed on prior therapy. Multiple prior lines of therapy allowed in Phase 1 and 2. Participants under amendment 6 (or subsequent amendments) must have received prior cyclin-dependent kinase (CDK4/6) inhibitor therapy. Up to one prior chemotherapy in the metastatic setting is allowed.
4. A recent archival tumor tissue obtained within 6 months prior to enrollment or a fresh tumor biopsy must be provided. A second biopsy after initiating trial therapy is not required.
5. Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 or 1.
6. Adequate bone marrow and organ function.
7. Participants under amendment 6 (or subsequent amendments) must have measurable disease at baseline as per Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 criteria.
8. Participants under amendment 6 (or subsequent amendments) must have ESR1 Y537S mutation in absence of ESR1 D538G mutation as per the results of a central laboratory from a Nucleic Acids Whole Blood sample.
You may not be if
1. Participants must have at least one measurable lesion.
2. Participant with inflammatory breast cancer.
3. Participant has received more than one prior chemotherapy regimen for metastatic disease (Phase 2 only).
4. Females of childbearing potential who are unable or unwilling to follow adequate contraceptive measures.
Clareo Health | Trial of H3B-6545, in Women With Locally Advanced or Metastatic Estrogen Receptor-positive, HER2 Negative Breast Cancer