Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 7, 2026, 6:39 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 223 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Anastrozole (Arimidex) Clear all
Active, not recruiting Phase 3 Interventional

A Study Evaluating the Efficacy and Safety of Adjuvant Giredestrant Compared With Physician's Choice of Adjuvant Endocrine Monotherapy in Participants With Estrogen Receptor-Positive, HER2-Negative Early Breast Cancer (lidERA Breast Cancer)

NCT04961996
View directory record Official record
Conditions
Early Breast Cancer
Interventions
Giredestrant, Physician's Choice of Endocrine Therapy, LHRH Agonist
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
4,170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2033
U.S. locations
72
States / cities
Daphne, Alabama • Bakersfield, California • Fullerton, California + 66 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 7, 2026, 6:39 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 5, 2022 · Synced Oct 7, 2026, 6:39 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Aromatase Inhibition Versus Testosterone in Older Men With Low Testosterone: Randomized-Controlled Trial.

NCT00104572
View directory record Official record
Conditions
Hypogonadism, Diabetes, Sarcopenia, Osteoporosis, Depression
Interventions
Androgel (Testosterone Gel), Anastrozole (Aromatase Inhibitor), Placebo tablet, Placebo gel, Calcium Cardone 500mg with vitamin D 400 IU
Drug · Dietary Supplement
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
65 Years and older · Male only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 6, 2018 · Synced Oct 7, 2026, 6:39 PM EDT
Active, not recruiting Not applicable Interventional Results available

A Study to Evaluate Genetic Predictors of Aromatase Inhibitor Musculoskeletal Symptoms (AIMSS)

NCT01824836
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 7, 2026, 6:39 PM EDT
Completed Phase 2 Interventional Results available

Radiation Therapy, Palbociclib, and Hormone Therapy in Treating Breast Cancer Patients With Bone Metastasis

NCT03691493
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Estrogen Receptor Positive, HER2/Neu Negative, Metastatic Breast Carcinoma, Metastatic Malignant Neoplasm in the Bone, Progesterone Receptor Positive, Prognostic Stage IV Breast Cancer AJCC v8
Interventions
Anastrozole, Exemestane, Fulvestrant, Letrozole, Palbociclib, Radiation Therapy, Tamoxifen
Drug · Radiation
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
10
States / cities
Atlanta, Georgia • Augusta, Georgia • Columbus, Georgia + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2025 · Synced Oct 7, 2026, 6:39 PM EDT
Terminated Phase 2 Interventional Results available

Sorafenib and Letrozole, Anastrozole, or Exemestane in Treating Postmenopausal Women With Estrogen Receptor-Positive and/or Progesterone Receptor-Positive Metastatic Breast Cancer

NCT00573755
View directory record Official record
Conditions
Breast Cancer
Interventions
anastrozole, exemestane, letrozole, sorafenib tosylate, placebo
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 120 Years · Female only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 5, 2016 · Synced Oct 7, 2026, 6:39 PM EDT
Completed Phase 2 Interventional Results available

ER Reactivation Therapy for Breast Cancer

NCT02188745
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 7, 2026, 6:39 PM EDT
Recruiting Phase 3 Interventional

Phase IIIb Study of Ribociclib + ET in Early Breast Cancer

NCT05827081
View directory record Official record
Conditions
Early Breast Cancer
Interventions
Ribociclib, Letrozole, Ansastrozole, Goserelin, Leuprolide, Exemestane
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
1,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
85
States / cities
Birmingham, Alabama • Anchorage, Alaska • Goodyear, Arizona + 74 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 7, 2026, 6:39 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Impact of Endogenous E2 on SSI and GH Rebound

NCT02026973
View directory record Official record
Conditions
Normal Healthy Volunteers
Interventions
Fulvestrant, Anastrozole, Placebo, Somatostatin
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
55 Years to 80 Years · Female only
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 16, 2016 · Synced Oct 7, 2026, 6:39 PM 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 7, 2026, 6:39 PM 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 7, 2026, 6:39 PM EDT
Terminated Phase 1 Interventional

Effect of Varying Testosterone Levels on Insulin Sensitivity in Men With Idiopathic Hypogonadotropic Hypogonadism (IHH)

NCT03118479
View directory record Official record
Conditions
Hypogonadotropic Hypogonadism, Kallmann Syndrome
Interventions
Anastrozole Pill, Testosterone, Placebo Oral Tablet
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Male only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 18, 2017 · Synced Oct 7, 2026, 6:39 PM EDT
Recruiting Phase 2 Interventional

Trastuzumab Deruxtecan Alone or in Combination With Anastrozole for the Treatment of Early Stage HER2 Low, Hormone Receptor Positive Breast Cancer

NCT04553770
View directory record Official record
Conditions
Early-stage Breast Cancer, Hormone Receptor Positive Breast Carcinoma, Invasive Breast Cancer, Stage II Breast Cancer, Stage IIA Breast Cancer, Stage IIB Breast Cancer, Stage III Breast Cancer
Interventions
Anastrozole, Therapeutic Conventional Surgery, Trastuzumab Deruxtecan
Drug · Procedure · Biological
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
9
States / cities
Fullerton, California • Los Alamitos, California • Los Angeles, California + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 10, 2025 · Synced Oct 7, 2026, 6:39 PM EDT
Active, not recruiting Phase 3 Interventional Results available

Hormone Therapy With or Without Combination Chemotherapy in Treating Women Who Have Undergone Surgery for Node-Negative Breast Cancer (The TAILORx Trial)

NCT00310180
View directory record Official record
Conditions
Breast Adenocarcinoma, Hormone Receptor Positive, Stage IA Breast Cancer AJCC v7, Stage IB Breast Cancer AJCC v7, Stage IIA Breast Cancer AJCC v6 and v7, Stage IIB Breast Cancer AJCC v6 and v7, Stage IIIB Breast Cancer AJCC v7
Interventions
Anastrozole, Exemestane, Laboratory Biomarker Analysis, Letrozole, Quality-of-Life Assessment, Radiation Therapy, Tamoxifen Citrate
Drug · Other · Radiation
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 75 Years · Female only
Enrollment
10,273 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2030
U.S. locations
1160
States / cities
Anniston, Alabama • Birmingham, Alabama • Mobile, Alabama + 723 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 7, 2026, 6:39 PM EDT
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 7, 2026, 6:39 PM EDT
Completed No phase listed Observational

Anastrozole and Letrozole

NCT00762294
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
UConn Health
Other
Eligibility
40 Years and older · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 15, 2011 · Synced Oct 7, 2026, 6:39 PM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Efficacy, Safety, and Pharmacokinetics of Giredestrant Plus Palbociclib Compared With Anastrozole Plus Palbociclib for Postmenopausal Women With Estrogen Receptor-Positive and HER2-Negative Untreated Early Breast Cancer (coopERA Breast Cancer)

NCT04436744
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 2, 2023 · Synced Oct 7, 2026, 6:39 PM EDT
Terminated Phase 2 Interventional Results available

Goserelin and Letrozole or Anastrozole in Premenopausal Patients With Stage II-III Estrogen Receptor-Positive Breast Cancer

NCT01368263
View directory record Official record
Conditions
Estrogen Receptor-positive Breast Cancer, HER2-negative Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer
Interventions
goserelin acetate, letrozole, anastrozole, chemotherapy, Surgery
Drug · Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 3, 2015 · Synced Oct 7, 2026, 6:39 PM EDT
Completed Not applicable Interventional Results available

Serum Estradiol Levels In Postmenopausal Women With Breast Cancer Receiving Adjuvant Aromatase Inhibitors and Vaginal Estrogen

NCT00984399
View directory record Official record
Conditions
Atrophic Vaginitis, Breast Cancer
Interventions
Vagifem® (vaginal 17β-estradiol) questionnaire & menopause symptom checklist
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2024
U.S. locations
5
States / cities
Basking Ridge, New Jersey • Commack, New York • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Oct 7, 2026, 6:39 PM EDT
Completed Phase 3 Interventional Results available

S0226 Anastrozole With or Without Fulvestrant as First-Line Therapy in Postmenopausal Women With Metastatic Breast Cancer

NCT00075764
View directory record Official record
Conditions
Breast Cancer
Interventions
anastrozole, fulvestrant
Drug
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years and older · Female only
Enrollment
695 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2018
U.S. locations
418
States / cities
Anniston, Alabama • Mobile, Alabama • Anchorage, Alaska + 289 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2021 · Synced Oct 7, 2026, 6:39 PM EDT
Completed No phase listed Observational

Breast Density, Hormone Levels, and Anticancer Drug Levels in Women With Invasive Breast Cancer Who Are Receiving Exemestane or Anastrozole

NCT00316836
View directory record Official record
Conditions
Breast Cancer
Interventions
mammography
Procedure
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older · Female only
Enrollment
554 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
311
States / cities
Fairbanks, Alaska • Scottsdale, Arizona • Fort Smith, Arkansas + 222 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2019 · Synced Oct 7, 2026, 6:39 PM EDT
Completed Phase 2 Interventional Results available

Neoadjuvant Endocrine Therapy in Hormone Receptor-Positive, Human Epidermal Growth Factor Receptor 2 (HER2)-Negative Node-Negative Breast Cancer

NCT03219476
View directory record Official record
Conditions
Breast Cancer, Invasive Breast Cancer
Interventions
Anastrozole, Letrozole, Exemestane, Tamoxifen
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older · Female only
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Oct 7, 2026, 6:39 PM EDT
Active, not recruiting Phase 2 Interventional Results available

TRADE: Dose Escalation Tolerability of Abemaciclib in HR+ HER2- Early Stage Breast Cancer

NCT06001762
View directory record Official record
Conditions
Breast Cancer, Early-stage Breast Cancer, High Risk Breast Carcinoma
Interventions
Abemaciclib, Tamoxifen, Anastrozole, Letrozole, Exemestane, LHRH Agonist
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
12
States / cities
Stamford, Connecticut • Brewer, Maine • Scarborough, Maine + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 7, 2026, 6:39 PM EDT
Completed Phase 2 Interventional Results available

Everolimus Combined With Anti-estrogen Therapy in Hormone-Receptor-Positive HER-2 Negative Advanced Breast Cancer

NCT02291913
View directory record Official record
Conditions
Breast Cancer
Interventions
Everolimus, Exemestane, Tamoxifen, Fulvestrant, Anastrozole, Letrozole, Toremifine
Drug
Lead sponsor
SCRI Development Innovations, LLC
Other
Eligibility
18 Years and older · Female only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
8
States / cities
Fort Myers, Florida • Hollywood, Florida • Pensacola, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2020 · Synced Oct 7, 2026, 6:39 PM EDT