Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Nov 12, 2026, 9:24 PM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–2 of 2 matching trials from the live ClinicalTrials.gov search.
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
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