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ClinicalTrials.gov public records Last synced Sep 28, 2026, 10:44 AM EDT

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Showing 25–41 of 17 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Placebo - Anastrozole Clear all
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 17, 2017 · Synced Sep 28, 2026, 10:44 AM 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, 10:44 AM 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 4, 2016 · Synced Sep 28, 2026, 10:44 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Partial Double-Blind, Placebo-Controlled Study to Assess the Effect of Anastrozole on the Endometrium in Healthy Volunteers

NCT00467493
View directory record Official record
Conditions
Menstruation Disorders
Interventions
Anastrozole
Drug
Lead sponsor
Meditrina Pharmaceuticals
Industry
Eligibility
25 Years to 45 Years · Female only
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
2
States / cities
Kalamazoo, Michigan • Southfield, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 2, 2009 · Synced Sep 28, 2026, 10:44 AM EDT
Completed Early Phase 1 Interventional

High Dose Vit D Musculoskeletal Symptoms & Bone Density in Anastrozole-Treated Breast Cancer With Marginal Vit D Status

NCT00263185
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Vitamin D, Calcium carbonate, Vitamin D, Placebo
Dietary Supplement · Drug · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 21, 2014 · Synced Sep 28, 2026, 10:44 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Brain Blood Flow Responses to Stress: Sex Differences

NCT06253702
View directory record Official record
Conditions
Cerebrovascular Disorders
Interventions
Indomethacin, Placebo, Orilissa, Testosterone gel, Anastrozole, Estradiol
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 40 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Sep 28, 2026, 10:44 AM EDT
Completed Phase 2 Interventional Results available

Adjuvant Ribociclib With Endocrine Therapy in Hormone Receptor+/HER2- High Risk Early Breast Cancer

NCT03078751
View directory record Official record
Conditions
Breast Cancer
Interventions
Ribociclib, Adjuvant endocrine therapy, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
33
States / cities
Tucson, Arizona • Fayetteville, Arkansas • Bakersfield, California + 28 more
Source: ClinicalTrials.gov public record
Updated Oct 10, 2021 · Synced Sep 28, 2026, 10:44 AM 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, 10:44 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Regulation of Cortisol Metabolism and Fat Patterning

NCT00694733
View directory record Official record
Conditions
Obesity, Menopausal Syndrome
Interventions
Placebo injection, Depo Lupron/Aromatase inhibitor, Depo Lupron/placebo, placebo, Estrogen cream
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 62 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 15, 2022 · Synced Sep 28, 2026, 10:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cardiovascular Outcomes of Low Testosterone

NCT02758431
View directory record Official record
Conditions
Hypogonadism
Interventions
Acyline, Placebo Gel, Placebo Tablet, Testosterone Gel, Arimidex
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 75 Years · Male only
Enrollment
232 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 9, 2024 · Synced Sep 28, 2026, 10:44 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 22, 2026 · Synced Sep 28, 2026, 10:44 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 7, 2025 · Synced Sep 28, 2026, 10:44 AM EDT
Completed Phase 3 Interventional Results available

A Global Study to Compare the Effects of Fulvestrant and Arimidex in a Subset of Patients With Breast Cancer.

NCT01602380
View directory record Official record
Conditions
Hormone Receptor Positive Breast Cancer
Interventions
faslodex 500mg, arimidex 1mg, faslodex dummy, arimidex dummy
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years · Female only
Enrollment
462 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2026
U.S. locations
12
States / cities
Modesto, California • Savannah, Georgia • Auburn, Maine + 9 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 28, 2026, 10:44 AM EDT
Terminated Phase 3 Interventional Results available

Aromatase Inhibitors in the Treatment of Male Infertility

NCT00440180
View directory record Official record
Conditions
Obesity, Oligospermia
Interventions
Anastrozole, Placebo
Drug
Lead sponsor
University of Utah
Other
Eligibility
16 Years to 80 Years · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 5, 2016 · Synced Sep 28, 2026, 10:44 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Impact of Estradiol Addback

NCT01862835
View directory record Official record
Conditions
Normal Healthy Volunteers
Interventions
Degarelix, Testosterone, Anastrozole, Estrogen patch
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
60 Years to 80 Years · Male only
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 6, 2019 · Synced Sep 28, 2026, 10:44 AM 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 15, 2016 · Synced Sep 28, 2026, 10:44 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 6, 2025 · Synced Sep 28, 2026, 10:44 AM EDT