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ClinicalTrials.gov public records Last synced Sep 30, 2026, 8:43 PM EDT

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Showing 1–24 of 294 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: aromatase inhibition therapy Clear all
Active, not recruiting Phase 3 Interventional Results available

S1207 Hormone Therapy With or Without Everolimus in Treating Patients With Breast Cancer

NCT01674140
View directory record Official record
Conditions
Breast Cancer
Interventions
anastrozole, everolimus, exemestane, goserelin acetate, letrozole, leuprolide acetate, tamoxifen citrate, placebo
Drug · Other
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years and older
Enrollment
1,939 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2030
U.S. locations
1455
States / cities
Birmingham, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 887 more
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Sep 30, 2026, 8:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

IH636 Grape Seed Extract in Preventing Breast Cancer in Postmenopausal Women at Risk of Developing Breast Cancer

NCT00100893
View directory record Official record
Conditions
Breast Cancer
Interventions
IH636 grape seed proanthocyanidin extract
Dietary Supplement
Lead sponsor
City of Hope Medical Center
Other
Eligibility
40 Years to 75 Years · Female only
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2013
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Jun 8, 2015 · Synced Sep 30, 2026, 8:43 PM EDT
Completed No phase listed Observational

Effect of Tamoxifen or an Aromatase Inhibitor on Estrogen Metabolism in Women Treated for Newly Diagnosed Breast Cancer

NCT00569543
View directory record Official record
Conditions
Breast Cancer
Interventions
high performance liquid chromatography, laboratory biomarker analysis, mass spectrometry, medical chart review
Other
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
2
States / cities
Rochester, Minnesota • Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 1, 2023 · Synced Sep 30, 2026, 8:43 PM EDT
Completed Phase 3 Interventional

The Evaluation of the Efficacy and Tolerability of FASLODEX (Fulvestrant) and AROMASIN (Exemestane) in Hormone Receptor Positive Postmenopausal Women With Advanced Breast Cancer

NCT00065325
View directory record Official record
Conditions
Locally Advanced Breast Cancer, Metastatic Breast Cancer
Interventions
Fulvestrant, Exemestane
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
32 Years to 91 Years · Female only
Enrollment
694 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2014
U.S. locations
51
States / cities
Birmingham, Alabama • Arcadia, California • Fountain Valley, California + 48 more
Source: ClinicalTrials.gov public record
Updated Feb 24, 2015 · Synced Sep 30, 2026, 8:43 PM EDT
Withdrawn Phase 2 Interventional

Neoadjuvant and Adjuvant Exemestane in Treating Postmenopausal Women With Locally Advanced Hormone Receptor-Positive Breast Cancer

NCT00080613
View directory record Official record
Conditions
Stage II Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer
Interventions
exemestane, adjuvant therapy, aromatase inhibition, conventional surgery, endocrine therapy, hormone therapy, neoadjuvant therapy, surgery
Drug · Procedure
Lead sponsor
Robert H. Lurie Cancer Center
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 10, 2013 · Synced Sep 30, 2026, 8:43 PM EDT
Terminated Phase 2 Interventional Results available

Aromatase Inhibitors in Premenopausal Breast Cancer Patients With Chemotherapy-Induced Ovarian Failure

NCT00555477
View directory record Official record
Conditions
Breast Cancer
Interventions
anastrozole
Drug
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
3
States / cities
Baltimore, Maryland • Boston, Massachusetts • Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 19, 2014 · Synced Sep 30, 2026, 8:43 PM EDT
Withdrawn Phase 2 Interventional

Efficacy Evaluation of Sabizabulin Monotherapy Versus Active Control for Treatment of ER+HER2- Metastatic Breast Cancer

NCT05079360
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Sabizabulin, Exemestane monotherapy, exemestane plus everolimus, or selective estrogen receptor modulator
Drug
Lead sponsor
Veru Inc.
Industry
Eligibility
18 Years to 100 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
26
States / cities
Anchorage, Alaska • Chandler, Arizona • Gilbert, Arizona + 22 more
Source: ClinicalTrials.gov public record
Updated Mar 24, 2023 · Synced Sep 30, 2026, 8:43 PM EDT
Completed Phase 3 Interventional Results available

Three Drug Combination Therapy Versus Conventional Treatment of Children With Congenital Adrenal Hyperplasia

NCT00001521
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia (CAH)
Interventions
Fludrocortisone, Hydrocortisone, Letrozole, Flutamide, Testolactone
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
2 Years to 18 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 12, 2025 · Synced Sep 30, 2026, 8:43 PM EDT
Completed Not applicable Interventional Results available

Hormone Therapy Or Chemotherapy Before Surgery Based on Gene Expression Analysis in Treating Patients With Breast Cancer

NCT01293032
View directory record Official record
Conditions
Ductal Breast Carcinoma in Situ, Lobular Breast Carcinoma in Situ, Stage II Breast Cancer, Stage IIA Breast Cancer, Stage IIB Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer
Interventions
Neoadjuvant Therapy, Therapeutic Conventional Surgery, Laboratory Biomarker Analysis, Gene Expression Analysis, Systemic Chemotherapy, Tamoxifen Citrate, Aromatase Inhibition Therapy
Procedure · Other · Genetic + 1 more
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older · Female only
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
7
States / cities
Washington D.C., District of Columbia • Charlotte, North Carolina • Greensboro, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2016 · Synced Sep 30, 2026, 8:43 PM EDT
Completed Phase 2 Interventional Results available

Zoledronic Acid in Aromatase Inhibitor Induced Musculoskeletal Symptoms

NCT01194440
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 12, 2018 · Synced Sep 30, 2026, 8:43 PM EDT
Recruiting Phase 2 Interventional

Solifenacin Compared to Clonidine for Reducing Hot Flashes Among Breast Cancer Patients

NCT01530373
View directory record Official record
Conditions
Hot Flashes, Breast Cancer
Interventions
solifenacin, Clonidine
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years and older · Female only
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2028
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Sep 30, 2026, 8:43 PM EDT
Completed Not applicable Interventional Results available

Zoledronate in Treating Osteopenia or Osteoporosis in Postmenopausal Women Receiving Letrozole for Stage I, Stage II, or Stage IIIA Primary Breast Cancer

NCT00436917
View directory record Official record
Conditions
Breast Cancer, Osteoporosis
Interventions
zoledronic acid, Letrozole as adjuvant therapy
Drug · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 120 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2016
U.S. locations
2
States / cities
Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 11, 2019 · Synced Sep 30, 2026, 8:43 PM EDT
Completed Not applicable Interventional Results available

Letrozole as a Treatment of Endometrial Cancer

NCT00997373
View directory record Official record
Conditions
Endometrial Carcinoma
Interventions
Letrozole
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
40 Years and older · Female only
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
2
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Sep 30, 2026, 8:43 PM EDT
Terminated Phase 2 Interventional

Letrozole and Goserelin or Leuprolide in Treating Premenopausal Estrogen Receptor-Positive Patients With Stage IV Breast Cancer

NCT00498901
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 9, 2013 · Synced Sep 30, 2026, 8:43 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 27, 2023 · Synced Sep 30, 2026, 8:43 PM EDT
Not yet recruiting Not applicable Interventional

SOLIS: Single-Dose Radiotherapy With Omission of Lumpectomy for Intact Small Breast Cancers

NCT07844759
View directory record Official record
Conditions
Breast Cancer, Early-Stage Breast Carcinoma, Hormone Receptor-Positive Breast Cancer, HER2-Negative Breast Cancer
Interventions
Stereotactic Radiation Therapy, Endocrine Therapy
Radiation · Drug
Lead sponsor
Renaissance Institute of Precision Oncology and Radiosurgery
Other
Eligibility
50 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2032
U.S. locations
1
States / cities
Winter Park, Florida
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Sep 30, 2026, 8:43 PM EDT
Completed Phase 4 Interventional Results available

Aromatase Inhibitors and Weight Loss in Severely Obese Hypogonadal Male Veterans (Pilot)

NCT02959853
View directory record Official record
Conditions
Hypogonadism, Severe Obesity
Interventions
Anastrazole, weight loss
Drug · Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
35 Years to 65 Years · Male only
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 30, 2020 · Synced Sep 30, 2026, 8:43 PM EDT
Active, not recruiting Phase 2 Interventional Results available

Pre-Operative Window of Adjuvant Endocrine Therapy to Inform RT Decisions in Older Women With Early-Stage Breast Cancer

NCT04272801
View directory record Official record
Conditions
Breast Cancer Female
Interventions
tamoxifen, letrozole, anastrozole, or exemestane, Patient reported outcomes
Drug · Behavioral
Lead sponsor
Shayna Showalter, MD
Other
Eligibility
65 Years and older · Female only
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
2
States / cities
Charlottesville, Virginia • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 22, 2025 · Synced Sep 30, 2026, 8:43 PM EDT
Recruiting Phase 2 Interventional

Molecular Analyses to Predict Pathways of Endocrine Resistance Following Short Term Neoadjuvant Endocrine Treatment in Patients With Hormone Receptor-Positive HER2-negative Breast Cancer

NCT06361940
View directory record Official record
Conditions
Breast Cancer
Interventions
Aromatase inhibitors or tamoxifen
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Sep 30, 2026, 8:43 PM EDT
Recruiting Not applicable Interventional

Acutherapy to Prevent Aromatase Inhibitor-Associated Arthralgias in Non-Hispanic Black Postmenopausal Women With Early-Stage Breast Cancer

NCT06534125
View directory record Official record
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, HER2-Negative Breast Carcinoma, Hormone Receptor-Positive Breast Carcinoma
Interventions
Acupressure Therapy, Acupuncture Therapy, Aromatase Inhibition Therapy, Discussion, Survey Administration
Procedure · Device · Drug + 1 more
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Female only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
4
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Sep 30, 2026, 8:43 PM EDT
Active, not recruiting Phase 1 Interventional

AKT Inhibitor, Ipatasertib, With Endocrine and CDK 4/6 Inhibitor for Patients With Metastatic Breast Cancer (TAKTIC)

NCT03959891
View directory record Official record
Conditions
Breast Cancer
Interventions
Ipatasertib, Fulvestrant, Aromatase Inhibitor, Palbociclib
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 30, 2026, 8:43 PM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of Exemestane Plus Dasatinib Versus Placebo for Advanced ER+ Breast Cancer

NCT00767520
View directory record Official record
Conditions
Breast Cancer
Interventions
Exemestane + Dasatinib, Exemestane + Placebo
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
4
States / cities
Fountain Valley, California • Riverside, California • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2013 · Synced Sep 30, 2026, 8:43 PM EDT
Completed No phase listed Observational Results available

Loss of Grip Strength, BMI, and Adjuvant Endocrine Therapy Breast Cancer

NCT01896050
View directory record Official record
Conditions
Breast Cancer, Arthralgia, Obesity
Interventions
anastrozole, letrozole, exemestane, Tamoxifen
Drug
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 28, 2016 · Synced Sep 30, 2026, 8:43 PM EDT
Active, not recruiting Phase 2 Interventional

Alpelisib (BYL719) in Combination With Continued Endocrine Therapy Following Progression on Endocrine Therapy in Hormone Receptor Positive, HER2 Negative, PIK3CA Mutant Metastatic Breast Cancer

NCT04762979
View directory record Official record
Conditions
Hormone Receptor Positive Breast Carcinoma, HER2-negative Breast Cancer, PIK3CA Mutant Metastatic Breast Cancer
Interventions
Alpelisib, Fulvestrant, Aromatase inhibitor
Drug
Lead sponsor
Marina N Sharifi
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
4
States / cities
Chicago, Illinois • Omaha, Nebraska • Hershey, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 2, 2026 · Synced Sep 30, 2026, 8:43 PM EDT