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ClinicalTrials.gov public records Last synced Sep 29, 2026, 2:25 PM EDT

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Showing 1–24 of 392 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Inoperable, Locally Advanced or Metastatic, ER-positive Breast Cancer
Interventions
Giredestrant, Abemaciclib, Ipatasertib, Inavolisib, Ribociclib, Everolimus, Samuraciclib, PH FDC SC, Palbociclib, Atezolizumab
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older · Female only
Enrollment
316 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
12
States / cities
Duarte, California • Irvine, California • San Francisco, California + 9 more
Conditions
Estrogen Receptor Negative, HER2 Positive Breast Carcinoma, HER2/Neu Negative, Invasive Breast Carcinoma, Progesterone Receptor Negative, Stage I Breast Cancer AJCC v7, Stage IA Breast Cancer AJCC v7, Stage IB Breast Cancer AJCC v7, Stage II Breast Cancer AJCC v6 and v7, Stage IIA Breast Cancer AJCC v6 and v7, Stage IIB Breast Cancer AJCC v6 and v7, Triple-Negative Breast Carcinoma
Interventions
Undergo EBRT, Laboratory Biomarker Analysis, Quality-of-Life Assessment, Questionnaire Administration, Partial Breast Irradiation
Radiation · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
30 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
8
States / cities
Gilbert, Arizona • Jacksonville, Florida • Honolulu, Hawaii + 5 more
Conditions
Advanced Breast Carcinoma, Locally Advanced Breast Carcinoma, Metastatic Breast Carcinoma, Recurrent Breast Carcinoma, Stage III Breast Cancer AJCC v7, Stage IIIA Breast Cancer AJCC v7, Stage IIIB Breast Cancer AJCC v7, Stage IIIC Breast Cancer AJCC v7, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Biopsy, Biospecimen Collection, Laboratory Biomarker Analysis
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Conditions
Breast Cancer, Stage IV Breast Cancer
Interventions
tamoxifen
Drug
Lead sponsor
ECOG-ACRIN Cancer Research Group
Network
Eligibility
18 Years and older
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2022
U.S. locations
292
States / cities
Birmingham, Alabama • Mobile, Alabama • Fort Smith, Arkansas + 203 more
Conditions
Breast Cancer
Interventions
Standard fractionation whole breast irradiation, Hypofractionated whole breast irradiation, Concurrent boost, Sequential boost
Radiation
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older · Female only
Enrollment
2,354 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
386
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Tucson, Arizona + 304 more
Conditions
Advanced Estrogen Receptor Positive HER2- Breast Cancer
Interventions
GS-5829, Exemestane, Fulvestrant
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older · Female only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
6
States / cities
Stanford, California • Boston, Massachusetts • Minneapolis, Minnesota + 3 more
Conditions
Breast Cancer, Cancer, Cancer of the Breast, HER2-negative Breast Cancer, ER+ Breast Cancer, Estrogen-receptor-positive Breast Cancer
Interventions
Intensity modulated radiation therapy (IMRT)
Radiation
Lead sponsor
Youssef Zeidan
Other
Eligibility
40 Years and older · Female only
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2033
U.S. locations
2
States / cities
Boca Raton, Florida • Miami, Florida
Conditions
Breast Cancer
Interventions
Letrozole, Fish Oil
Drug · Dietary Supplement
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
2
States / cities
Houston, Texas • San Antonio, Texas
Conditions
Breast Cancer
Interventions
GDC-9545, Palbociclib, LHRH Agonist
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
6
States / cities
Aurora, Colorado • Boston, Massachusetts • New York, New York + 1 more
Conditions
Breast Cancer
Interventions
Lifestyle intervention, Mail-based
Behavioral
Lead sponsor
Ontario Clinical Oncology Group (OCOG)
Other
Eligibility
Female only
Enrollment
338 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2018
U.S. locations
4
States / cities
Torrance, California • Boston, Massachusetts • Seattle, Washington
Conditions
Breast Cancer, Breast Carcinoma, Breast Tumors, Malignant Neoplasm of Breast
Interventions
Paclitaxel, Alisertib
Drug
Lead sponsor
US Oncology Research
Industry
Eligibility
18 Years and older · Female only
Enrollment
169 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2024
U.S. locations
1
States / cities
Including Dallas and Austin, Texas
Conditions
Breast Cancer, HER2-positive Breast Cancer, ER Positive Breast Cancer, PR-Positive Breast Cancer
Interventions
Neratinib, Letrozole (L) or Anastrozole (A), Trastuzumab
Drug
Lead sponsor
Ruth O'Regan
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
4
States / cities
Chicago, Illinois • Rochester, New York • Hershey, Pennsylvania + 1 more
Conditions
Stage IV (Metastatic) Breast Cancer, Metastatic Breast Cancer, ER Positive Breast Cancer, PR-Positive Breast Cancer, HER2-negative Breast Cancer, Invasive Breast Cancer
Interventions
NERATINIB, FULVESTRANT
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
2
States / cities
Boston, Massachusetts • Nashville, Tennessee
Conditions
Breast Neoplasms
Interventions
Gefitinib, Tamoxifen
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years · Female only
Enrollment
317 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2015
U.S. locations
4
States / cities
Berkeley, California • Palm Springs, California • St Louis, Missouri + 1 more
Conditions
Breast Cancer
Interventions
Single nucleotide polymorphism (SNP), high performance liquid chromatography, measurements by DXA, questionnaire administration
Genetic · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
4
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota + 1 more
Conditions
Estrogen Receptor-positive Breast Cancer, HER2-negative Breast Cancer, Oral Complications, Progesterone Receptor-positive Breast Cancer, Recurrent Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer
Interventions
mucoadhesive oral wound rinse, laboratory biomarker analysis
Drug · Other
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Breast Cancer
Interventions
ZN-c5, Abemaciclib
Drug
Lead sponsor
Zeno Alpha Inc.
Industry
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Gilbert, Arizona • Charleston, South Carolina
Conditions
Breast Cancer
Interventions
Arm A: Gedatolisib + Palbociclib + Fulvestrant, Arm B: Ribociclib + Fulvestrant, Arm C: Gedatolisib + Palbociclib + Letrozole, Arm D: Ribociclib + Letrozole
Drug
Lead sponsor
Celcuity Inc
Industry
Eligibility
18 Years and older
Enrollment
1,180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2033
U.S. locations
22
States / cities
Duarte, California • Fullerton, California • Los Angeles, California + 19 more
Conditions
Breast Cancer
Interventions
anastrozole, exemestane, letrozole, Therapeutic Conventional Surgery
Drug · Procedure
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
Female only
Enrollment
622 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2019
U.S. locations
3
States / cities
St Louis, Missouri • Houston, Texas • Laredo, Texas
Conditions
Breast Cancer
Interventions
Outcomes4Me, Semi-structured interview
Other
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland
Conditions
Breast Neoplasm
Interventions
AFP464, AFP464 + Faslodex
Drug
Lead sponsor
Tigris Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Adult Solid Neoplasm, Estrogen Receptor Negative, Estrogen Receptor Positive, HER2/Neu Negative, Male Breast Carcinoma, Progesterone Receptor Negative, Recurrent Breast Carcinoma, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer, Triple-Negative Breast Carcinoma
Interventions
Carboplatin, Laboratory Biomarker Analysis, Paclitaxel, Pharmacological Study, Veliparib
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
3
States / cities
Hershey, Pennsylvania • Pittsburgh, Pennsylvania
Conditions
Ductal Carcinoma in Situ, Estrogen Receptor-positive Breast Cancer, Progesterone Receptor-positive Breast Cancer, Stage I Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer
Interventions
letrozole, zoledronic acid
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Female only
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Estrogen Receptor Negative, Estrogen Receptor Positive, HER2/Neu Negative, HER2/Neu Positive, Invasive Breast Carcinoma, Progesterone Receptor Negative, Progesterone Receptor Positive, Stage IA Breast Cancer, Stage II Breast Cancer, Stage IIA Breast Cancer, Stage IIB Breast Cancer, Stage III Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Triple-Negative Breast Carcinoma
Interventions
Cyclophosphamide, Doxorubicin Hydrochloride, Laboratory Biomarker Analysis, Paclitaxel, Radiation Therapy, Therapeutic Conventional Surgery, Trastuzumab
Drug · Other · Radiation + 2 more
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older · Female only
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2025
U.S. locations
4
States / cities
Bellevue, Nebraska • Grand Island, Nebraska • Omaha, Nebraska