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Showing 1–24 of 223 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 2 Interventional

Chemotherapy Plus Peripheral Stem Cell Transplantation in Treating Women With Metastatic Breast Cancer

NCT00004900
View directory record Official record
Conditions
Breast Cancer
Interventions
filgrastim, anastrozole, carboplatin, cisplatin, cyclophosphamide, etoposide, thiotepa, peripheral blood stem cell transplantation, radiation therapy
Biological · Drug · Procedure + 1 more
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years to 65 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 29, 2013 · Synced Sep 28, 2026, 9:03 PM EDT
Terminated Phase 2 Interventional Results available

Study of Anastrozole +/- AZD8931 in Postmenopausal Women With Endocrine Therapy Naive Breast Cancer

NCT01151215
View directory record Official record
Conditions
Neoplasms, Breast Neoplasms, Breast Cancer
Interventions
AZD8931, anastrozole, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older · Female only
Enrollment
482 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Lake Success, New York
Source: ClinicalTrials.gov public record
Updated Jul 24, 2014 · Synced Sep 28, 2026, 9:03 PM EDT
Terminated Phase 2 Interventional Results available

Phase II Study of Everolimus Beyond Progression

NCT02269670
View directory record Official record
Conditions
Estrogen Receptor-positive Breast Cancer, HER2-negative Breast Cancer, Progesterone Receptor-positive Breast Cancer, Recurrent Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer
Interventions
everolimus, anastrozole, letrozole, tamoxifen citrate, fulvestrant, megestrol acetate
Drug
Lead sponsor
Emory University
Other
Eligibility
19 Years and older · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
3
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced Sep 28, 2026, 9:03 PM EDT
Completed Phase 2 Interventional

Open Label Arimidex in Gynecomastia

NCT00241436
View directory record Official record
Conditions
Gynecomastia
Interventions
Anastrozole (ARIMIDEX™)
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
11 Years to 18 Years · Male only
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 26, 2011 · Synced Sep 28, 2026, 9:03 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Data Analysis for Drug Repurposing for Effective Alzheimer's Medicines (DREAM)- Anastrozole vs Exemestane/Letrozole

NCT05635357
View directory record Official record
Conditions
Breast Cancer
Interventions
Anastrozole, Exemestane/Letrozole
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
65 Years and older
Enrollment
16,989 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 27, 2025 · Synced Sep 28, 2026, 9:03 PM EDT
Suspended Phase 3 Interventional

Testing Low Dose Tamoxifen for Invasive Breast Cancer, LoTam Trial

NCT06671912
View directory record Official record
Conditions
Anatomic Stage 0 Breast Cancer AJCC v8, Anatomic Stage 1 Breast Cancer AJCC v8, Anatomic Stage IIA Breast Cancer AJCC v8, Estrogen Receptor-Positive Breast Carcinoma, HER2-Negative Breast Carcinoma, Breast Ductal Carcinoma In Situ, Breast Lobular Carcinoma In Situ
Interventions
Anastrozole, Letrozole, Exemestane, Tamoxifen, Mammogram, Magnetic Resonance Imaging, Dual X-ray Absorptiometry, Biospecimen Collection, Questionnaire Administration
Drug · Procedure · Biological + 1 more
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
1,556 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
728
States / cities
Anchorage, Alaska • Gilbert, Arizona • Goodyear, Arizona + 559 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 28, 2026, 9:03 PM EDT
Completed Phase 2 Interventional Results available

Endocrine Response in Women With Invasive Lobular Breast Cancer

NCT02206984
View directory record Official record
Conditions
Breast Cancer
Interventions
Tamoxifen, Anastrozole, Fulvestrant
Drug
Lead sponsor
Priscilla McAuliffe
Other
Eligibility
Female only
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2024
U.S. locations
12
States / cities
Birmingham, Alabama • San Francisco, California • Washington D.C., District of Columbia + 8 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Sep 28, 2026, 9:03 PM EDT
Completed Phase 2 Interventional Results available

Study of Avastin (Bevacizumab) to Reverse Acquired Estrogen Independence in Previously Hormone Responsive Metastatic Breast Ca.

NCT00240071
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Avastin, Hormonal therapy
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 80 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 29, 2019 · Synced Sep 28, 2026, 9:03 PM EDT
Terminated Phase 2 Interventional Results available

Phase 2 Anastrozole and Vandetanib (ZD6474) in Neoadjuvant Treatment of Postmenopausal Hormone Receptor-Positive Breast Cancer

NCT00481845
View directory record Official record
Conditions
Breast Cancer
Interventions
Vandetanib, Anastrozole
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 6, 2017 · Synced Sep 28, 2026, 9:03 PM EDT
Completed Phase 2 Interventional Results available

Pembrolizumab and Doxorubicin Hydrochloride or Anti-Estrogen Therapy in Treating Patients With Triple-Negative or Hormone Receptor-Positive Metastatic Breast Cancer

NCT02648477
View directory record Official record
Conditions
Estrogen Receptor Negative, Estrogen Receptor Positive, HER2/Neu Negative, Progesterone Receptor Negative, Progesterone Receptor Positive, Stage IV Breast Cancer, Triple-Negative Breast Carcinoma
Interventions
Anastrozole, Doxorubicin Hydrochloride, Exemestane, Laboratory Biomarker Analysis, Letrozole, Pembrolizumab
Drug · Other · Biological
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
6
States / cities
Corona, California • Duarte, California • Lancaster, California + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2024 · Synced Sep 28, 2026, 9:03 PM EDT
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Anastrozole Adjuvant Trial - Study of Anastrozole Compared to NOLVADEX (Tamoxifen Citrate) for Adjuvant Treatment of Early Breast Cancer Clinical Studies), Adjunct Cytotoxic Chemotherapy and Malignant Joint Tumor

NCT06154590
View directory record Official record
Conditions
Metastatic Breast Cancer, Tumor, Muscle Neoplasms, Chronic Pain
Interventions
Method(s)1 Attribution, Method(s)2 Attribution,
Drug
Lead sponsor
DR. DIANE CHISESI NFS. MD. PHD.
Other
Eligibility
44 Years to 59 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Colorado Springs, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 3, 2023 · Synced Sep 28, 2026, 9:03 PM EDT
Completed Phase 2 Interventional Results available

Onapristone and Anastrozole for the Treatment of Refractory Hormone Receptor Positive Endometrial Cancer

NCT04719273
View directory record Official record
Conditions
Refractory Endometrial Adenocarcinoma, Refractory Endometrial Carcinoma, Refractory Endometrial Clear Cell Adenocarcinoma, Refractory Endometrial Endometrioid Adenocarcinoma, Refractory Endometrial Mixed Cell Adenocarcinoma, Refractory Endometrial Serous Adenocarcinoma, Refractory Endometrial Undifferentiated Carcinoma
Interventions
Extended-release Onapristone, Anastrozole, Quality-of-Life Assessment, Questionnaire Administration, Estrogen Receptor Positive (Positive Estrogen Receptor; ESR Positive; ESR1 Positive; ER Positive; Estrogen Receptor Alpha Positive), Progesterone Receptor Positive ( PGR Positive; PR Positive)
Drug · Other · Diagnostic Test
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older · Female only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
2
States / cities
Abington, Pennsylvania • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 28, 2026, 9:03 PM EDT
Recruiting Phase 2 Interventional

A Study of the Impact of Endocrine Therapy on Surgical Outcomes in People With Lobular Breast Cancer

NCT07483307
View directory record Official record
Conditions
Breast Cancer, HER2-negative Breast Cancer, HER2 Negative Breast Carcinoma, ER+ Breast Cancer, Lobular Breast Carcinoma
Interventions
Neoadjuvant endocrine therapy
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
50 Years and older · Female only
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 28, 2026, 9:03 PM EDT
Completed Not applicable Interventional

Omega-3 Fatty Acids in Preventing Joint Symptoms in Patients With Stage I-III Breast Cancer Receiving Anastrozole, Exemestane, or Letrozole

NCT01478477
View directory record Official record
Conditions
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
omega-3 fatty acid supplement, Placebo, Clinical assessments, Assessment of therapy complications, Magnetic Resonance Imaging, Correlative/special studies
Dietary Supplement · Other · Procedure
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 26, 2023 · Synced Sep 28, 2026, 9:03 PM EDT
Recruiting Phase 3 Interventional

A Study of Camizestrant in ER+/HER2- Early Breast Cancer After at Least 2 Years of Standard Adjuvant Endocrine Therapy

NCT05774951
View directory record Official record
Conditions
Breast Cancer, Early Breast Cancer
Interventions
Camizestrant, Tamoxifen, Anastrozole, Letrozole, Exemestane
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
4,300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2036
U.S. locations
126
States / cities
Birmingham, Alabama • Dothan, Alabama • Anchorage, Alaska + 110 more
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 28, 2026, 9:03 PM EDT
Terminated Phase 2 Interventional Results available

Aromatase Inhibitor Therapy With or Without Fulvestrant for the Treatment of HR Positive Metastatic Breast Cancer With an ERS1 Activating Mutation, the INTERACT Study

NCT04256941
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Metastatic Breast Carcinoma, Prognostic Stage IV Breast Cancer AJCC v8
Interventions
Abemaciclib, Anastrozole, Fulvestrant, Letrozole, Palbociclib, Ribociclib
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 26, 2024 · Synced Sep 28, 2026, 9:03 PM EDT
Recruiting Phase 3 Interventional

A Study of Tersolisib (LY4064809/STX-478) With Other Anti-Cancer Treatments in Participants With Advanced Breast Cancer With a Genetic Change (PIK3CA)

NCT07174336
View directory record Official record
Conditions
Breast Neoplasms, Neoplasm Metastasis
Interventions
LY4064809, Placebo, Ribociclib, Palbociclib, Abemaciclib, Anastrozole, Letrozole, Exemestane, Fulvestrant
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2033
U.S. locations
127
States / cities
Anchorage, Alaska • Chandler, Arizona • Phoenix, Arizona + 109 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Sep 28, 2026, 9:03 PM EDT
Recruiting Phase 3 Interventional

A Study to Evaluate the Efficacy and Safety of Inavolisib in Combination With Phesgo Versus Placebo in Combination With Phesgo in Participants With PIK3CA-Mutated HER2-Positive Locally Advanced or Metastatic Breast Cancer

NCT05894239
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Inavolisib, Phesgo, Placebo, Taxane-based Chemotherapy, Optional Endocrine Therapy of Investigator's Choice
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2032
U.S. locations
20
States / cities
Gilbert, Arizona • Burbank, California • Corona, California + 17 more
Source: ClinicalTrials.gov public record
Updated Sep 20, 2026 · Synced Sep 28, 2026, 9:03 PM EDT
Recruiting Phase 2 Interventional

Abemaciclib for the Treatment of Recurrent Ovarian or Endometrial Cancer

NCT04469764
View directory record Official record
Conditions
Recurrent Endometrial Carcinoma, Recurrent Fallopian Tube Carcinoma, Recurrent Ovarian Carcinoma, Recurrent Primary Peritoneal Carcinoma
Interventions
Abemaciclib, Anastrozole, Letrozole
Drug
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
Female only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 28, 2026, 9:03 PM EDT
Completed Phase 3 Interventional Results available

A Study to Compare the Safety and Efficacy of an Aromatase Inhibitor in Combination With Lapatinib, Trastuzumab or Both for the Treatment of Hormone Receptor Positive, HER2+ Metastatic Breast Cancer

NCT01160211
View directory record Official record
Conditions
Neoplasms, Breast
Interventions
Lapatinib, Trastuzumab, Aromatase Inhibitor
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
369 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2022
U.S. locations
4
States / cities
Hollywood, Florida • Augusta, Georgia • Germantown, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2025 · Synced Sep 28, 2026, 9:03 PM EDT
Terminated Not applicable Interventional Results available

GCC 1366: Anti-Proliferative Response to NeoAdjuvant AIs in Overweight and Obese Patients

NCT02095184
View directory record Official record
Conditions
Breast Cancer
Interventions
Anastrozole, Letrozole
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older · Female only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 28, 2026, 9:03 PM EDT
Completed No phase listed Observational

Quality of Life in Postmenopausal Women Who Are Receiving Either Exemestane or Anastrozole With or Without Celecoxib for Stage I, Stage II, or Stage IIIA Primary Breast Cancer

NCT00090974
View directory record Official record
Conditions
Breast Cancer
Interventions
quality-of-life assessment
Procedure
Lead sponsor
Eastern Cooperative Oncology Group
Network
Eligibility
0 Years to 120 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
224
States / cities
Fairbanks, Alaska • Phoenix, Arizona • Fairfield, California + 144 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2023 · Synced Sep 28, 2026, 9:03 PM EDT
Completed Phase 2 Interventional Results available

Anastrozole and ZD1839 Compared With Fulvestrant and ZD1839 in Postmenopausal Women w/ Metastatic Breast Cancer

NCT00057941
View directory record Official record
Conditions
Estrogen Receptor-positive Breast Cancer, Progesterone Receptor-positive Breast Cancer, Recurrent Breast Cancer, Stage IV Breast Cancer
Interventions
anastrozole, gefitinib, fulvestrant, laboratory biomarker analysis
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 11, 2014 · Synced Sep 28, 2026, 9:03 PM EDT
Completed Phase 3 Interventional Results available

Phase 3 Trial of Elacestrant Versus Standard of Care for the Treatment of ER+/HER2- Advanced Breast Cancer

NCT03778931
View directory record Official record
Conditions
Breast Cancer
Interventions
Elacestrant, Standard of Care
Drug
Lead sponsor
Stemline Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
478 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
104
States / cities
Tucson, Arizona • Jonesboro, Arkansas • Fullerton, California + 84 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2025 · Synced Sep 28, 2026, 9:03 PM EDT