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ClinicalTrials.gov public records Last synced Oct 5, 2026, 5:08 AM EDT

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Showing 1–24 of 93 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: anastrozole (1 mg/day) Clear all
Completed Phase 2 Interventional Results available

Bay98-7196, Dose Finding / POC Study

NCT02203331
View directory record Official record
Conditions
Endometriosis
Interventions
Placebo, Levonorgestrel, Anastrozole, Lupron / Leuprolide acetate
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older · Female only
Enrollment
319 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
25
States / cities
San Diego, California • San Francisco, California • Gainesville, Florida + 22 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2023 · Synced Oct 5, 2026, 5:08 AM EDT
Completed Phase 1Phase 2 Interventional Results available

A Pharmacokinetic and Randomized Trial of Neoadjuvant Treatment With Anastrozole Plus AZD0530 in Postmenopausal Patients With Hormone Receptor Positive Breast Cancer

NCT01216176
View directory record Official record
Conditions
Breast Cancer
Interventions
Anastrozole, AZD0530 (saracatinib), Placebo
Drug
Lead sponsor
Joyce Marie Slingerland, MD
Other
Eligibility
18 Years and older · Female only
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2018
U.S. locations
2
States / cities
Palo Alto, California • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 8, 2025 · Synced Oct 5, 2026, 5:08 AM EDT
Not listed Phase 2 Interventional

NEOADjuvant Aromatase Inhibitor and Pertuzumab/Trastuzumab for Women With Breast Cancer

NCT02689921
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Exemestane, Letrozole, Anastrozole, Leuprolide Acetate, Pertuzumab, Trastuzumab
Drug
Lead sponsor
Midwestern Regional Medical Center
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
2
States / cities
Newnan, Georgia • Zion, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 28, 2018 · Synced Oct 5, 2026, 5:08 AM EDT
Active, not recruiting Phase 3 Interventional

OP-1250 (Palazestrant) vs. Standard of Care for the Treatment of ER+/HER2- Advanced Breast Cancer

NCT06016738
View directory record Official record
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 – 2028
U.S. locations
47
States / cities
Tucson, Arizona • Fountain Valley, California • Glendale, California + 39 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 5, 2026, 5:08 AM 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 15, 2026 · Synced Oct 5, 2026, 5:08 AM EDT
Completed Phase 2 Interventional Results available

Palbociclib in Combination With Adjuvant Endocrine Therapy for Hormone Receptor Positive, HER2 Negative Invasive Breast Cancer

NCT02040857
View directory record Official record
Conditions
Breast Cancer
Interventions
Palbociclib, Aromatase Inhibitor
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2024
U.S. locations
10
States / cities
San Francisco, California • Indianapolis, Indiana • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Oct 5, 2026, 5:08 AM EDT
Completed Phase 4 Interventional

Aromatase Inhibitors and Weight Loss in Severely Obese Men With Hypogonadism

NCT03490513
View directory record Official record
Conditions
Hypogonadism, Hypogonadotropic, Obesity
Interventions
anastrozole (1 mg/day), Placebo
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
40 Years to 65 Years · Male only
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Oct 5, 2026, 5:08 AM EDT
Completed Phase 2 Interventional Results available

A Study for Safety and Effectiveness of IMC-A12 by Itself or Combined With Antiestrogens to Treat Breast Cancer

NCT00728949
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
IMC-A12 (cixutumumab), tamoxifen, Anastrozole, Letrozole, Exemestane, Fulvestrant
Biological · Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Female only
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
9
States / cities
Scottsdale, Arizona • Chicago, Illinois • Westwood, Kansas + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 6, 2018 · Synced Oct 5, 2026, 5:08 AM EDT
Completed Phase 2 Interventional Results available

Anastrozole in Patients With Pulmonary Arterial Hypertension

NCT01545336
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Anastrozole, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
3
States / cities
Philadelphia, Pennsylvania • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 27, 2016 · Synced Oct 5, 2026, 5:08 AM EDT
Active, not recruiting Phase 3 Interventional

Phase III Study to Assess AZD9833+ CDK4/6 Inhibitor in HR+/HER2-MBC With Detectable ESR1m Before Progression (SERENA-6)

NCT04964934
View directory record Official record
Conditions
ER-Positive HER2-Negative Breast Cancer
Interventions
AZD9833, AZD9833 Placebo, Anastrozole, Anastrozole placebo, Letrozole, Letrozole placebo, Palbociclib, Abemaciclib, Luteinizing hormone-releasing hormone (LHRH) agonist, Ribociclib
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
315 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
64
States / cities
Phoenix, Arizona • Hot Springs, Arkansas • Little Rock, Arkansas + 56 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 5, 2026, 5:08 AM EDT
Enrolling by invitation Phase 3 Interventional

Safety Extension Study for Subjects With HR+, HER2- Breast Cancer for Subjects Who Have Completed the OVELIA Study

NCT05645536
View directory record Official record
Conditions
Breast Cancer
Interventions
TOL2506, Tamoxifen, Letrozole tablets, Anastrozole Tablets, Exemestane Tablets
Drug
Lead sponsor
Tolmar Inc.
Industry
Eligibility
18 Years to 51 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
17
States / cities
Greenbrae, California • Fort Lauderdale, Florida • Lexington, Kentucky + 14 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 5, 2026, 5:08 AM EDT
Terminated Phase 2 Interventional Results available

Aromatase Inhibitor and Durvalumab in Postmenopausal Breast Cancer

NCT03874325
View directory record Official record
Conditions
Breast Cancer, Hormone Receptor Positive Tumor
Interventions
Durvalumab, Anastrozole 1mg, Letrozole 2.5mg, Exemestane 25 MG
Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 31, 2022 · Synced Oct 5, 2026, 5:08 AM EDT
Completed Phase 2 Interventional Results available

Bevacizumab Given With Either Anastrozole or Fulvestrant With Trastuzumab for Postmenopausal Metastatic Breast Cancer

NCT00405938
View directory record Official record
Conditions
Breast Cancer, Breast Neoplasms
Interventions
Bevacizumab, Anastrozole, Fulvestrant
Drug
Lead sponsor
SCRI Development Innovations, LLC
Other
Eligibility
18 Years and older · Female only
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
11
States / cities
Fort Myers, Florida • Jacksonville, Florida • Orlando, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 18, 2021 · Synced Oct 5, 2026, 5:08 AM EDT
Recruiting Phase 1 Interventional

Prototype DAA/TAA Vaccine Targeting MUC1 for Immune Interception and Prevention in Ductal Carcinoma In Situ

NCT06218303
View directory record Official record
Conditions
Ductal Carcinoma in Situ
Interventions
MUC1 Peptide Vaccine, Hiltonol®, Aromatase Inhibitor, Selective estrogen receptor modulator (SERM)
Biological · Drug
Lead sponsor
Finn, Olivera, PhD
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 5, 2026, 5:08 AM EDT
Active, not recruiting Phase 3 Interventional

A Comparative Study of AZD9833 Plus Palbociclib Versus Anastrozole Plus Palbociclib in Patients With ER-Positive HER2 Negative Breast Cancer Who Have Not Received Any Systemic Treatment for Advanced Disease

NCT04711252
View directory record Official record
Conditions
ER-Positive HER2-Negative Breast Cancer
Interventions
AZD9833, Anastrozole, Anastrozole placebo, AZD9833 placebo, Palbociclib, Luteinizing hormone-releasing hormone (LHRH) agonist
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
1,371 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
30
States / cities
Mobile, Alabama • Springdale, Arkansas • Harbor City, California + 25 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 5, 2026, 5:08 AM EDT
Completed Phase 2 Interventional Results available

A Neoadjuvant Study of Abemaciclib (LY2835219) in Postmenopausal Women With Hormone Receptor Positive, HER2 Negative Breast Cancer

NCT02441946
View directory record Official record
Conditions
Breast Cancer, Hormone Receptor Positive Tumor, Early-Stage Breast Carcinoma
Interventions
Abemaciclib, Loperamide, Anastrozole
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Female only
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
27
States / cities
Bakersfield, California • La Jolla, California • Los Angeles, California + 23 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2020 · Synced Oct 5, 2026, 5:08 AM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

Study of the Effect of Testosterone and Estradiol on NP Responses to Acute and Chronic Salt Loading

NCT01763541
View directory record Official record
Conditions
Hypertension
Interventions
leuprolide acetate, Anastrozole
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 40 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 19, 2017 · Synced Oct 5, 2026, 5:08 AM EDT
Completed Phase 2 Interventional Results available

A Phase II Study of Everolimus in Combination With Exemestane Versus Everolimus Alone Versus Capecitabine in Advance Breast Cancer.

NCT01783444
View directory record Official record
Conditions
Breast Cancer
Interventions
Capecitabine, Exemestane, Everolimus
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
309 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
19
States / cities
Los Angeles, California • San Diego, California • Fort Myers, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2021 · Synced Oct 5, 2026, 5:08 AM EDT
Terminated Phase 2 Interventional Results available

Fulvestrant and Anastrozole as Consolidation Therapy in Postmenopausal Women With Advanced Non-small Cell Lung Cancer

NCT00932152
View directory record Official record
Conditions
Non-small Cell Lung Cancer, Postmenopausal Women
Interventions
fulvestrant (Faslodex), anastrozole (Arimidex), Bevacizumab (Avastin), Best supportive care
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 19, 2017 · Synced Oct 5, 2026, 5:08 AM EDT
Active, not recruiting Phase 1 Interventional

A Phase 1b Study of T-DXd Combinations in HER2-low Advanced or Metastatic Breast Cancer

NCT04556773
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Trastuzumab deruxtecan, Durvalumab, Paclitaxel, Capivasertib, Anastrozole, Fulvestrant, Capecitabine
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
9
States / cities
Commack, New York • Harrison, New York • New York, New York + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Oct 5, 2026, 5:08 AM EDT
Completed Phase 3 Interventional Results available

Exemestane, Letrozole, or Anastrozole in Treating Postmenopausal Women Who Are Undergoing Surgery for Stage II or Stage III Breast Cancer

NCT00265759
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 23, 2025 · Synced Oct 5, 2026, 5:08 AM EDT
Active, not recruiting Phase 3 Interventional

A Trial to Evaluate Efficacy and Safety of Ribociclib With Endocrine Therapy as Adjuvant Treatment in Patients With HR+/HER2- Early Breast Cancer

NCT03701334
View directory record Official record
Conditions
Early Breast Cancer
Interventions
Ribociclib, Endocrine Therapy (ET)
Drug · Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
5,101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2030
U.S. locations
73
States / cities
Birmingham, Alabama • Goodyear, Arizona • Jonesboro, Arkansas + 68 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 5, 2026, 5:08 AM EDT
Completed Phase 4 Interventional Results available

Rheumatological Evaluation of Anastrozole and Letrozole as Adjuvant Treatment in Post-menopausal Women With Breast Cancer

NCT00688909
View directory record Official record
Conditions
Breast Cancer
Interventions
letrozole
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
50 Years and older · Female only
Enrollment
261 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
48
States / cities
Huntsville, Alabama • Little Rock, Arkansas • Grass Valley, California + 43 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2021 · Synced Oct 5, 2026, 5:08 AM EDT
Active, not recruiting Phase 3 Interventional

Fulvestrant and/or Anastrozole in Treating Postmenopausal Patients With Stage II-III Breast Cancer Undergoing Surgery

NCT01953588
View directory record Official record
Conditions
Estrogen Receptor-positive Breast Cancer, HER2-negative Breast Cancer, Invasive Ductal Breast Carcinoma, Invasive Lobular Breast Carcinoma, Recurrent Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer
Interventions
fulvestrant, anastrozole
Drug
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older · Female only
Enrollment
1,473 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
856
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 524 more
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 5, 2026, 5:08 AM EDT