Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jun 27, 2026, 3:51 AM EDT

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Metastatic Breast Cancer, ER-positive Breast Cancer, HER2-negative Breast Cancer, Breast Cancer, Locally Advanced Breast Cancer
Interventions
Palazestrant, Ribociclib, Alpelisib, Everolimus, Atirmociclib
Drug
Lead sponsor
Olema Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
14
States / cities
Gilbert, Arizona • San Francisco, California • Aurora, Colorado + 11 more
Conditions
Advanced or Metastatic ER+ HER2- Breast Cancer (mBC), Advanced or Metastatic Non-Small Cell Lung Cancer (NSCLC), Advanced or Metastatic Castration-Resistant Prostate Cancer (mCRPC), Metastatic Breast Cancer, Fulvestrant, Palazestrant
Interventions
OP-3136, Fulvestrant, Palazestrant
Drug
Lead sponsor
Olema Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
7
States / cities
Sarasota, Florida • New Orleans, Louisiana • Boston, Massachusetts + 4 more
Conditions
Breast Cancer, Locally Advanced Breast Cancer, Metastatic Breast Cancer, ER Positive Breast Cancer, HER2 Negative Breast Carcinoma
Interventions
Palazestrant, Letrozole-matching placebo, Ribociclib, Letrozole, Palazestrant matching-placebo
Drug
Lead sponsor
Olema Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
37
States / cities
Hot Springs, Arkansas • Beverly Hills, California • San Francisco, California + 34 more
Conditions
Breast Cancer, Advanced Breast Cancer, Metastatic Breast Cancer, ER Positive Breast Cancer, HER2 Negative Breast Carcinoma
Interventions
Palazestrant, Fulvestrant, Anastrozole, Letrozole, Exemestane
Drug
Lead sponsor
Olema Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
510 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
47
States / cities
Tucson, Arizona • Fountain Valley, California • Glendale, California + 39 more