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ClinicalTrials.gov public records Last synced Oct 5, 2026, 3:41 PM EDT

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Showing 25–48 of 52 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Aromatase Inhibitor (AI) Clear all
Recruiting No phase listed Observational

Observational Study of Bone Complications in People With Post-menopausal Breast Cancer Who Have Stopped Treatment With Denosumab and Aromatase Inhibitors

NCT05590949
View directory record Official record
Conditions
Breast Cancer
Interventions
Physical Evaluation, Dual-energy X-ray absorptiometry scans, Trabecular Bone Score
Other · Diagnostic Test
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 5, 2026, 3:41 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 Oct 5, 2026, 3:41 PM EDT
Completed No phase listed Observational

Examining the Relationships Between Sleep, Fatigue, and Pain in Aromatase Inhibitor-treated Patients

NCT01983995
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
University of Michigan
Other
Eligibility
50 Years and older · Female only
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 25, 2016 · Synced Oct 5, 2026, 3:41 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Oral Health and Oral Health-Related Quality of Life in Early Stage Breast Cancer Survivors

NCT01272570
View directory record Official record
Conditions
Breast Cancer, Xerostomia
Interventions
Not listed
Lead sponsor
University of Michigan
Other
Eligibility
50 Years and older · Female only
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 27, 2015 · Synced Oct 5, 2026, 3:41 PM EDT
Active, not recruiting Phase 1 Interventional

A Study of LY3484356 in Participants With Advanced or Metastatic Breast Cancer or Endometrial Cancer

NCT04188548
View directory record Official record
Conditions
Breast Cancer, Advanced Breast Cancer, Metastatic Breast Cancer, Endometrial Cancer
Interventions
LY3484356, Abemaciclib, Everolimus, Alpelisib, Trastuzumab, Aromatase Inhibitor (AI), Pertuzumab
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
379 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
42
States / cities
Gilbert, Arizona • Phoenix, Arizona • Springdale, Arkansas + 31 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Oct 5, 2026, 3:41 PM EDT
Completed Phase 2 Interventional Results available

Study of MEDI-573 Plus Standard Endocrine Therapy for Women With Hormone-sensitive Metastatic Breast Cancer

NCT01446159
View directory record Official record
Conditions
Hormone-sensitive, HER-2 Negative Metastatic Breast Cancer
Interventions
MEDI-573, Aromatase Inhibitor
Drug
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 99 Years · Female only
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
34
States / cities
Scottsdale, Arizona • Bakersfield, California • Pleasant Hill, California + 28 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2020 · Synced Oct 5, 2026, 3:41 PM EDT
Recruiting Phase 3 Interventional

Evaluating the Addition of Adjuvant Chemotherapy to Ovarian Function Suppression Plus Endocrine Therapy in Premenopausal Patients With pN0-1, ER-Positive/HER2-Negative Breast Cancer and an Oncotype Recurrence Score Less Than or Equal to 25

NCT05879926
View directory record Official record
Conditions
Breast Cancer
Interventions
Ovarian Function Suppression + Aromatase Inhibitor, Adjuvant Chemotherapy + Ovarian Function Suppression
Drug
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
3,960 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2034
U.S. locations
1226
States / cities
Birmingham, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 809 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 5, 2026, 3:41 PM EDT
Completed Phase 2 Interventional Results available

Paclitaxel, Cyclophosphamide & Doxorubicin, Autologous Dendritic Cells & Surgery in Stage II/III Breast Cancer (Women)

NCT00499083
View directory record Official record
Conditions
Breast Cancer
Interventions
therapeutic autologous dendritic cells, aromatase inhibition therapy, cyclophosphamide, doxorubicin hydrochloride, paclitaxel, tamoxifen citrate, gene expression analysis, protein expression analysis, reverse transcriptase-polymerase chain reaction, immunoenzyme technique, immunohistochemistry staining method, laboratory biomarker analysis, adjuvant therapy, biopsy, conventional surgery, neoadjuvant therapy, radiation therapy
Biological · Drug · Genetic + 3 more
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 120 Years · Female only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
2
States / cities
Tampa, Florida • Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 29, 2023 · Synced Oct 5, 2026, 3:41 PM EDT
Terminated Phase 2 Interventional Results available

Neoadj ph 2 AI Plus Everolimus in Postmenopausal Women w/ ER Pos/HER2 Neg, Low Risk Score

NCT02236572
View directory record Official record
Conditions
Breast Cancer
Interventions
Everolimus
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older · Female only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 1, 2022 · Synced Oct 5, 2026, 3:41 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

A Study of GDC-0810 Single Agent or in Combination With Palbociclib and/or a Luteinizing Hormone-Releasing Hormone (LHRH) Agonist in Women With Locally Advanced or Metastatic Estrogen Receptor Positive Breast Cancer

NCT01823835
View directory record Official record
Conditions
Breast Cancer
Interventions
GDC-0810, LHRH Agonist, Palbociclib
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
8
States / cities
San Diego, California • Boston, Massachusetts • St Louis, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 18, 2021 · Synced Oct 5, 2026, 3:41 PM EDT
Recruiting Phase 3 Interventional

A Study to Evaluate the Efficacy and Safety of Inavolisib in Combination With Phesgo Versus Placebo in Combination With Phesgo in Participants With PIK3CA-Mutated HER2-Positive Locally Advanced or Metastatic Breast Cancer

NCT05894239
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Inavolisib, Phesgo, Placebo, Taxane-based Chemotherapy, Optional Endocrine Therapy of Investigator's Choice
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2032
U.S. locations
20
States / cities
Gilbert, Arizona • Burbank, California • Corona, California + 17 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 5, 2026, 3:41 PM EDT
Completed Not applicable Interventional

Hypnosis to Reduce Aromatase Inhibitor Pain and Improve Adherence

NCT02657993
View directory record Official record
Conditions
Breast Neoplasms, Musculoskeletal Pain
Interventions
Hypnosis, Attention Control
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older · Female only
Enrollment
191 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 22, 2021 · Synced Oct 5, 2026, 3:41 PM EDT
Completed Phase 2 Interventional

Preventing Sexual Dysfunction With Aromatase Inhibitors

NCT01603303
View directory record Official record
Conditions
Breast Cancer
Interventions
Questionnaires, Education Materials, Luvena, Hyalo-Gyn, Vaginal Lubricant, Interactive Internet-Based Website, Telephone Counseling.
Behavioral · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 18, 2017 · Synced Oct 5, 2026, 3:41 PM EDT
Active, not recruiting No phase listed Observational

A Real-life Study to Understand the Use and Effects of Palbociclib in US Patients With Breast Cancer

NCT06495164
View directory record Official record
Conditions
Breast Cancer, Malignant Neoplasm of Breast
Interventions
Palbociclib, Aromatase inhibitor, Ribociclib, Abemaciclib
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Oct 5, 2026, 3:41 PM EDT
Recruiting Phase 2 Interventional

Evaluating the Use of a Medication 'Switch' vs Guideline-directed Interventions for Relieving Side Effects of Aromatase Inhibitors Among Breast Cancer Patients

NCT07071038
View directory record Official record
Conditions
Breast Cancer, Adjuvant Treatment, Early Stage Breast Cancer
Interventions
Switch, Guideline Directed Intervention (GDI)
Drug · Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Oct 5, 2026, 3:41 PM EDT
Completed Phase 2 Interventional Results available

Study Assessing the Efficacy and Safety of Alpelisib Plus Fulvestrant or Letrozole, Based on Prior Endocrine Therapy, in Patients With PIK3CA Mutant, HR+, HER2- Advanced Breast Cancer Who Have Progressed on or After Prior Treatments

NCT03056755
View directory record Official record
Conditions
Breast Cancer
Interventions
Alpelisib, Fulvestrant, Letrozole, Goserelin, Leuprolide
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 99 Years
Enrollment
383 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
25
States / cities
Gilbert, Arizona • Phoenix, Arizona • Anaheim, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Oct 5, 2026, 3:41 PM EDT
Completed No phase listed Observational Results available

Pilot Study to Evaluate the Effect of Aromatase Inhibitor Therapy on Pain Threshold in Breast Cancer Patients

NCT01814397
View directory record Official record
Conditions
Breast Cancer, Pain, Arthralgia
Interventions
Anastrozole, exemestane, letrozole
Drug
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
21 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 7, 2024 · Synced Oct 5, 2026, 3:41 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 Oct 5, 2026, 3:41 PM EDT
Recruiting Phase 3 Interventional

A Study of Camizestrant in ER+/HER2- Early Breast Cancer After at Least 2 Years of Standard Adjuvant Endocrine Therapy

NCT05774951
View directory record Official record
Conditions
Breast Cancer, Early Breast Cancer
Interventions
Camizestrant, Tamoxifen, Anastrozole, Letrozole, Exemestane
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
4,300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2036
U.S. locations
126
States / cities
Birmingham, Alabama • Dothan, Alabama • Anchorage, Alaska + 110 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 5, 2026, 3:41 PM EDT
Active, not recruiting Phase 2 Interventional

Levels of Circulating Tumor DNA as a Predictive Marker for Early Switch in Treatment for Patients With Metastatic (Stage IV) Breast Cancer

NCT05826964
View directory record Official record
Conditions
Breast Cancer, ER-positive Breast Cancer, HER2-negative Breast Cancer, Metastatic Breast Cancer
Interventions
AI+CDK4/6i, SERD+CDK4/6i, mTOR inhibitor + AI, mTOR inhibitor + SERD, mTOR inhibitor + Selective estrogen receptor modulator, PI3K inhibitor + SERD, PI3K inhibitor + AI, Chemotherapy, Oral SERD, PARPi, AKT inhibitor, Step 3 Arm 2
Drug · Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Oct 5, 2026, 3:41 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 Oct 5, 2026, 3:41 PM EDT
Recruiting Phase 2 Interventional

NeoTAILOR: ABiomarker-directed Approach to Guide Neoadjuvant Therapy for Patients With Stage II/III ER-positive, HER2-negative Breast Cancer

NCT05837455
View directory record Official record
Conditions
Breast Cancer, Cancer of the Breast
Interventions
VENTANA MIB-1 Ki67 assay, Oncotype DX® Recurrence Score, PAM50-based Prosigna breast cancer gene signature assay, Anastrozole, Combination anthracycline and/or taxane based treatment
Device · Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 5, 2026, 3:41 PM EDT
Withdrawn Not applicable Interventional

Vitamin B12 for Aromatase Inhibitors Associated Musculoskeletal Symptoms in Breast Cancer

NCT04205786
View directory record Official record
Conditions
HR-positive Breast Cancer
Interventions
Vitamin B12, Blood collection, Brief Pain Inventory - Short Form survey, FACT-ES Trial Outcome Index (Version 4), Questionnaire to Assess Adherence to Aromatase Inhibitors, Demographics Questionnaire
Dietary Supplement · Other
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
19 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 21, 2024 · Synced Oct 5, 2026, 3:41 PM EDT
Completed No phase listed Observational

Aromatase Inhibitor-Associated Musculoskeletal Symptoms in Non-Metastatic, Post Menopausal Breast Cancer Patients

NCT01051609
View directory record Official record
Conditions
Breast Cancer
Interventions
History and Physical Exam, Grip Strength Measurement, Surveys, Blood Collection, Ultrasound of Hand/Wrist
Other · Behavioral · Procedure
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 9, 2016 · Synced Oct 5, 2026, 3:41 PM EDT