Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Nov 2, 2026, 11:21 AM EST

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Showing 697–720 of 754 matching trials from the live ClinicalTrials.gov search.
Conditions
Estrogen Receptor Negative, HER2/Neu Negative, Progesterone Receptor Negative, Triple-Negative Breast Carcinoma
Interventions
Dynamic Contrast-Enhanced Magnetic Resonance Imaging, Laboratory Biomarker Analysis, Scintimammography, Technetium Tc-99m Sestamibi
Procedure · Other · Radiation + 1 more
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2028
U.S. locations
6
States / cities
Houston, Texas • Nassau Bay, Texas • Sugar Land, Texas + 1 more
Conditions
Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage IIA Breast Cancer AJCC v8, Anatomic Stage IIB Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, Anatomic Stage IIIB Breast Cancer AJCC v8, Anatomic Stage IIIC Breast Cancer AJCC v8, Cancer Survivor, Estrogen Receptor Positive, HER2/Neu Negative, Progesterone Receptor Positive, Prognostic Stage II Breast Cancer AJCC v8, Prognostic Stage IIA Breast Cancer AJCC v8, Prognostic Stage IIB Breast Cancer AJCC v8, Prognostic Stage III Breast Cancer AJCC v8, Prognostic Stage IIIA Breast Cancer AJCC v8, Prognostic Stage IIIB Breast Cancer AJCC v8, Prognostic Stage IIIC Breast Cancer AJCC v8, Sedentary Lifestyle
Interventions
Exercise Intervention, Informational Intervention, Laboratory Biomarker Analysis, Monitoring Device, Questionnaire Administration, Physical Performance Testing
Behavioral · Other · Device
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
19 Years to 64 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Recruiting Phase 4 Interventional Accepts healthy volunteers

Cyclic vs. Constant Estradiol: Regimens' Effects on Brain Health

NCT07831499
Conditions
Menopause, Healthy Adult, Brain, Postmenopausal
Interventions
Cyclic Estradiol, Continuous Estradiol
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
38 Years to 60 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Invasive Breast Carcinoma, Localized Estrogen Receptor-Positive Breast Carcinoma, Localized Human Epidermal Growth Factor Receptor (HER2)-Negative Breast Carcinoma
Interventions
Abemaciclib, Biospecimen Collection, Imlunestrant, Questionnaire Administration, Radiologic Imaging Procedure
Drug · Procedure · Other
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Los Angeles, California
Conditions
HER2/Neu Positive, Recurrent Breast Carcinoma, Stage IIIC Breast Cancer AJCC v7, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Endoxifen Hydrochloride, Laboratory Biomarker Analysis, Pharmacological Study, Questionnaire Administration
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Conditions
Breast Cancer Metastatic
Interventions
Zenocutuzumab, Trastuzumab, Vinorelbine, Endocrine therapy
Drug
Lead sponsor
Merus B.V.
Industry
Eligibility
18 Years and older · Female only
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
3
States / cities
Los Angeles, California • Kansas City, Kansas • Nashville, Tennessee
Conditions
Breast Cancer
Interventions
goserelin, letrozole, leuprolide acetate, conventional surgery
Drug · Procedure
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
2
States / cities
Seattle, Washington
Completed Phase 2 Interventional Results available

ER Reactivation Therapy for Breast Cancer

NCT02188745
Conditions
Metastatic Breast Cancer
Interventions
17B-estradiol, Letrozole, Anastrozole, Exemestane
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
3
States / cities
Springfield, Massachusetts • Rochester, Minnesota • Lebanon, New Hampshire
Conditions
Metastatic Breast Cancer, HER2-negative Breast Cancer, ER+ Breast Cancer, Advanced Breast Cancer, Metastatic Breast Cancer With Bone Involvement, Bone Metastases in Subjects With Advanced Breast Cancer, ER-Positive HER2-Negative Breast Cancer, Estrogen Receptor-positive Breast Cancer, Hormone-sensitive Metastatic Breast Cancer, Hormone-Sensitive Breast Cancer
Interventions
RYZ101, Standard of Care Endocrine Therapy
Drug
Lead sponsor
RayzeBio, Inc.
Industry
Eligibility
Not listed
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2033
U.S. locations
25
States / cities
Phoenix, Arizona • Irvine, California • San Diego, California + 21 more
Completed Phase 2 Interventional Accepts healthy volunteers

AFTER: Altering Fat Through Estrogen and Raloxifene

NCT00149604
Conditions
Postmenopause
Interventions
conjugated estrogens, Raloxifene, exercise plus mild caloric restriction for weight loss
Drug · Behavioral
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
50 Years to 70 Years · Female only
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2006
U.S. locations
1
States / cities
Denver, Colorado
Conditions
Breast Carcinoma
Interventions
quality-of-life assessment, Questionnaire Administration
Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older · Female only
Enrollment
307 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2016
U.S. locations
227
States / cities
Mobile, Alabama • Fort Smith, Arkansas • Fresno, California + 154 more
Completed Phase 1 Interventional Accepts healthy volunteers

Study Evaluating Premarin and Bazedoxifene Potential Interaction

NCT00745173
Conditions
Postmenopause
Interventions
Premarin
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
35 Years to 70 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Austin, Texas
Conditions
Estrogen Receptor Negative, Estrogen Receptor Positive, HER2/Neu Negative, HER2/Neu Positive, Progesterone Receptor Negative, Progesterone Receptor Positive, Recurrent Breast Carcinoma, Stage IIIC Breast Cancer AJCC v6, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Bevacizumab, Ixabepilone, Laboratory Biomarker Analysis, Nab-paclitaxel, Paclitaxel, Questionnaire Administration
Biological · Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
799 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2017
U.S. locations
703
States / cities
Scottsdale, Arizona • Fort Smith, Arkansas • Jonesboro, Arkansas + 472 more
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Estrogen-receptor-positive Breast Cancer, Metastatic HER2-Negative Breast Carcinoma, Metastatic Breast Cancer
Interventions
Biospecimen Collection, Bone Scan, Capecitabine, Computed Tomography, Magnetic Resonance Imaging, Questionnaire Administration
Procedure · Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Scottsdale, Arizona
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Lebanon, New Hampshire
Conditions
Estrogen Receptor Negative, HER2/Neu Negative, Metastatic Breast Cancer, Progesterone Receptor Negative, Recurrent Breast Carcinoma, Triple Negative Breast Cancer
Interventions
Pembrolizumab, Cisplatin
Biological · Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Metastatic Breast Cancer
Interventions
Enobosarm & Abemaciclib Combo, non-steroidal AI, or steroidal AI (exemestane with or without everolimus) or Fulvestrant
Drug
Lead sponsor
Veru Inc.
Industry
Eligibility
18 Years to 100 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
30
States / cities
Chandler, Arizona • Gilbert, Arizona • Tucson, Arizona + 26 more
Conditions
Early Breast Cancer
Interventions
Giredestrant, Anastrozole, Palbociclib, Surgery
Drug · Procedure
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older · Female only
Enrollment
221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
10
States / cities
Burbank, California • Laguna Hills, California • San Luis Obispo, California + 7 more
Conditions
Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage IIA Breast Cancer AJCC v8, Anatomic Stage IIB Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, Anatomic Stage IIIB Breast Cancer AJCC v8, Anatomic Stage IIIC Breast Cancer AJCC v8, Estrogen Receptor Positive, HER2/Neu Negative, Progesterone Receptor Positive, Prognostic Stage II Breast Cancer AJCC v8, Prognostic Stage IIA Breast Cancer AJCC v8, Prognostic Stage IIB Breast Cancer AJCC v8, Prognostic Stage III Breast Cancer AJCC v8, Prognostic Stage IIIA Breast Cancer AJCC v8, Prognostic Stage IIIB Breast Cancer AJCC v8, Prognostic Stage IIIC Breast Cancer AJCC v8
Interventions
Durvalumab, Tremelimumab
Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Houston, Texas
Conditions
Estrogen Receptor-negative Breast Cancer, Estrogen Receptor-positive Breast Cancer, Inflammatory Breast Cancer, Male Breast Cancer, Progesterone Receptor-negative Breast Cancer, Progesterone Receptor-positive Breast Cancer, Stage IIIB Breast Cancer, Stage IV Breast Cancer
Interventions
tamoxifen citrate, busulfan, thiotepa, melphalan, aldesleukin, sargramostim, peripheral blood stem cell transplantation, radiation therapy
Drug · Biological · Procedure + 1 more
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
19 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2009
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Breast Cancer
Interventions
Gedatolisib, Palbociclib, Letrozole, Fulvestrant
Drug
Lead sponsor
Celcuity Inc
Industry
Eligibility
18 Years and older · Female only
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
41
States / cities
Birmingham, Alabama • Corona, California • Fountain Valley, California + 17 more
Conditions
Estrogen Receptor-positive Breast Cancer, Musculoskeletal Complications, Progesterone Receptor-positive Breast Cancer, Recurrent Breast Cancer, Stage IA Breast Cancer, Stage IB Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer
Interventions
anastrozole
Drug
Lead sponsor
ECOG-ACRIN Cancer Research Group
Network
Eligibility
18 Years and older · Female only
Enrollment
1,046 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2026
U.S. locations
2
States / cities
Boston, Massachusetts • East Orange, New Jersey
Conditions
Menstrual Migraines, Menstrual Bleeding, Menstrual Spotting
Interventions
Estradiol or Placebo
Drug
Lead sponsor
Scott and White Hospital & Clinic
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Temple, Texas
Completed Phase 2 Interventional Accepts healthy volunteers Results available

LY353381 in Preventing Breast Cancer in Women With Hyperplasia

NCT00005879
Conditions
Breast Cancer
Interventions
arzoxifene, Placebo
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
199 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2008
U.S. locations
2
States / cities
Kansas City, Kansas • Dallas, Texas