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Showing 1–24 of 214 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Aromatase Inhibitor Clear all
Terminated Not applicable Interventional

The CEASE Study: Computer Based Educational Module for the Reduction of Arthralgia Syndrome Associated With Endocrine Therapy for Breast Cancer

NCT01351844
View directory record Official record
Conditions
Breast Cancer, Arthralgia
Interventions
Education and exercise intervention, Education and General Exercise
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 29, 2017 · Synced Sep 11, 2026, 4:14 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 10, 2019 · Synced Sep 11, 2026, 4:14 PM EDT
Completed Not applicable Interventional

Acupuncture in Treating Women With Stage I, Stage II, or Stage III Breast Cancer With Aromatase Inhibitor-Related Joint Pain

NCT01013337
View directory record Official record
Conditions
Breast Cancer, Recurrent Breast Cancer, Stage I Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer
Interventions
acupuncture therapy, sham intervention
Procedure
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 7, 2020 · Synced Sep 11, 2026, 4:14 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 29, 2020 · Synced Sep 11, 2026, 4:14 PM EDT
Completed Not applicable Interventional

Tonation Breathing Technique Method to Ease Aromatase Inhibitor-induced Joint and/or Muscle Pain

NCT05412953
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
Interventions
Questionnaire Administration, Tonation Breathing Technique
Other · Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 2, 2024 · Synced Sep 11, 2026, 4:14 PM EDT
Completed Phase 2 Interventional Results available

Vaginal Testosterone Cream vs ESTRING for Vaginal Dryness or Decreased Libido in Early Stage Breast Cancer Patients

NCT00698035
View directory record Official record
Conditions
Sexual Dysfunction, Physiological
Interventions
Testosterone Cream, Estring
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 1, 2014 · Synced Sep 11, 2026, 4:14 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Single Dosing of Zoledronic Acid in Cancer Therapy Induced Bone Loss (CTIBL)

NCT00712985
View directory record Official record
Conditions
Breast Cancer
Interventions
Zometa
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 23, 2014 · Synced Sep 11, 2026, 4:14 PM 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 Jul 13, 2026 · Synced Sep 11, 2026, 4:14 PM EDT
Completed Phase 4 Interventional Results available

Effect of Bisphosphonate on Bone Loss in Postmenopausal Women With Breast Cancer Initiating Aromatase Inhibitor Therapy

NCT00485953
View directory record Official record
Conditions
Bone Loss, Osteoporosis, Breast Cancer
Interventions
risedronate
Drug
Lead sponsor
Susan L. Greenspan
Other
Eligibility
55 Years and older · Female only
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced Sep 11, 2026, 4:14 PM EDT
Completed No phase listed Observational

Effects of Aromatase Inhibitor Therapy on Muscle Function

NCT03581552
View directory record Official record
Conditions
Breast Cancer, Breast Cancer Female
Interventions
Not listed
Lead sponsor
Tarah J Ballinger, MD
Other
Eligibility
18 Years and older · Female only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated May 9, 2021 · Synced Sep 11, 2026, 4:14 PM EDT
Completed Phase 2 Interventional Results available

A Trial Using ARV-471 or Anastrozole in Post-Menopausal Women With Breast Cancer Prior to Surgery

NCT05549505
View directory record Official record
Conditions
Breast Cancer
Interventions
ARV-471, Anastrozole, Surgical resection of breast tumor
Drug · Procedure
Lead sponsor
Arvinas Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
13
States / cities
Springdale, Arkansas • Los Angeles, California • Torrance, California + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Sep 11, 2026, 4:14 PM EDT
Completed Phase 2 Interventional

ICI 182780 in Treating Women With Metastatic Breast Cancer

NCT00012025
View directory record Official record
Conditions
Breast Cancer
Interventions
fulvestrant
Drug
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
24
States / cities
Mobile, Alabama • Scottsdale, Arizona • Jacksonville, Florida + 21 more
Source: ClinicalTrials.gov public record
Updated Jul 5, 2016 · Synced Sep 11, 2026, 4:14 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 23, 2015 · Synced Sep 11, 2026, 4:14 PM EDT
Completed Phase 1Phase 2 Interventional

Study of XL147 (SAR245408) or XL765 (SAR245409) in Combination With Letrozole in Subjects With Breast Cancer

NCT01082068
View directory record Official record
Conditions
Breast Cancer
Interventions
XL147 (SAR245408), XL765 (SAR245409), letrozole (Femara)
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older · Female only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
11
States / cities
Los Angeles, California • Denver, Colorado • Fort Meyers, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2016 · Synced Sep 11, 2026, 4:14 PM EDT
Terminated Phase 2 Interventional Results available

Vaginal Dehydroepiandrosterone (DHEA) in Postmenopausal Breast Cancer Survivors on Aromatase Inhibitors

NCT04493333
View directory record Official record
Conditions
Vaginal Atrophy, Postmenopausal Symptoms, Breast Cancer Female, Long-term Survivors
Interventions
Vaginal Dehydroepiandrosterone, Vaginal Polycarbophil Moisturizer
Drug · Combination Product
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Nov 26, 2024 · Synced Sep 11, 2026, 4:14 PM EDT
Completed Phase 1 Interventional

Effects of Letrozole on Precocious Puberty Due to McCune Albright Syndrome

NCT00006174
View directory record Official record
Conditions
McCune Albright Syndrome, Polyostotic Fibrous Dysplasia, Precocious Puberty
Interventions
Letrozole
Drug
Lead sponsor
National Institute of Dental and Craniofacial Research (NIDCR)
NIH
Eligibility
1 Year to 8 Years · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 11, 2026, 4:14 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 29, 2017 · Synced Sep 11, 2026, 4:14 PM EDT
Completed No phase listed Observational

Observational Study to Evaluate Mechanisms of Aromatase Inhibitor Associated Musculoskeletal Symptoms

NCT02118636
View directory record Official record
Conditions
Breast Cancer, Arthralgia
Interventions
Not listed
Lead sponsor
Lynn Henry
Other
Eligibility
21 Years and older · Female only
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 6, 2016 · Synced Sep 11, 2026, 4:14 PM EDT
Completed Phase 2 Interventional Results available

Phase II Trial of SAHA & Tamoxifen for Patients With Breast Cancer

NCT00365599
View directory record Official record
Conditions
Breast Cancer
Interventions
suberoylanilide hydroxamic acid (SAHA, Vorinostat), tamoxifen citrate (Tamoxifen)
Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
8
States / cities
San Francisco, California • Boynton Beach, Florida • Orlando, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2014 · Synced Sep 11, 2026, 4:14 PM EDT
Completed Not applicable Interventional Results available

Vorinostat in Treating Patients With Stage IV Breast Cancer Receiving Hormone Therapy

NCT01720602
View directory record Official record
Conditions
Male Breast Cancer, Recurrent Breast Cancer, Stage IV Breast Cancer
Interventions
vorinostat, anastrozole, letrozole, exemestane, positron emission tomography, F-18 16 alpha-fluoroestradiol, fludeoxyglucose F 18, laboratory biomarker analysis
Drug · Procedure · Radiation + 1 more
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 6, 2020 · Synced Sep 11, 2026, 4:14 PM EDT
Completed Phase 3 Interventional

Phase III Study of Atamestane Plus Toremifene Versus Letrozole in Advanced Breast Cancer

NCT00044291
View directory record Official record
Conditions
Breast Neoplasms, Neoplasms, Hormone-dependent
Interventions
atamestane, toremifene, letrozole, aromatase inhibition, hormone therapy, endocrine therapy, antiestrogen therapy
Drug · Procedure
Lead sponsor
Intarcia Therapeutics
Industry
Eligibility
18 Years and older · Female only
Enrollment
865 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
17
States / cities
Lake Havasu City, Arizona • Tucson, Arizona • Greenbrae, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2015 · Synced Sep 11, 2026, 4:14 PM EDT
Active, not recruiting Phase 2 Interventional

REVIVE: Replens Versus Intra-Vaginal Estrogen for the Treatment of Vaginal Dryness on Aromatase Inhibitor Therapy

NCT01984138
View directory record Official record
Conditions
Estrogen Receptor Positive Breast Cancer, Breast Cancer
Interventions
ESTRING, Replens, Vagifem
Drug
Lead sponsor
Polly A. Niravath, MD
Other
Eligibility
18 Years and older · Female only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Sep 11, 2026, 4:14 PM EDT
Recruiting Phase 1Phase 2 Interventional

First-in-Human Study of Tersolisib (STX-478) as Monotherapy and in Combination With Other Antineoplastic Agents in Participants With Advanced Solid Tumors

NCT05768139
View directory record Official record
Conditions
Breast Cancer, Solid Tumors, Adult
Interventions
STX-478, Fulvestrant, Ribociclib, Palbociclib, Letrozole, Anastrozole, Exemestane, Tamoxifen, Abemaciclib, Imlunestrant, Metformin
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
880 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
28
States / cities
Los Angeles, California • San Francisco, California • Aurora, Colorado + 22 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Sep 11, 2026, 4:14 PM EDT
Completed Not applicable Interventional Results available

Evaluation of Blood/Imaging Based Biomarkers, Aromatase Inhibitor Induced Musculoskeletal Syndrome

NCT03665077
View directory record Official record
Conditions
Aromatase Inhibitor Induced Musculoskeletal Syndrome (AIMSS), Breast Cancer
Interventions
Initial blood draw, Initial SWE ultrasound, Blood draw at three months, Blood draw at six months, SWE ultrasound at six months
Diagnostic Test
Lead sponsor
University of Arizona
Other
Eligibility
21 Years and older · Female only
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 23, 2023 · Synced Sep 11, 2026, 4:14 PM EDT