- Conditions
- Breast Neoplasms, Breast Cancer, Estrogen-receptor Positive Breast Cancer, Cancer, Breast, Breast Cancer Female, Breast Adenocarcinoma, Estrogen Receptor Positive Tumor, ER Positive
- Interventions
- H3B-6545
- Drug
- Lead sponsor
- Eisai Inc.
- Industry
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 151 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2023
- U.S. locations
- 23
- States / cities
- Goodyear, Arizona • Los Angeles, California • San Francisco, California + 18 more
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- Conditions
- Receptors, Estrogen, Genes, Erbb-2, Breast Neoplasms
- Interventions
- Palbociclib (75, 100, 125 milligram [mg]), H3B-6545 (150, 300, 450 mg)
- Drug
- Lead sponsor
- Eisai Inc.
- Industry
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 31 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2027
- U.S. locations
- 5
- States / cities
- Sarasota, Florida • Boston, Massachusetts • Kansas City, Missouri + 2 more