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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Aromatase Inhibitor Clear all
Completed Early Phase 1 Interventional Results available

Breast Cancer, Aromatase Inhibitor Therapy, and Sexual Functioning: The Effects of Vaginal Testosterone Therapy

NCT01697345
View directory record Official record
Conditions
Breast Cancer, Vaginal Dryness, Dyspareunia, Sexual Health Quality of Life
Interventions
Testosterone
Drug
Lead sponsor
Creighton University
Other
Eligibility
50 Years and older · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jan 23, 2014 · Synced Sep 28, 2026, 10:13 AM EDT
Completed No phase listed Observational Results available

Real-World Effectiveness of Palbociclib in Combination With an Aromatase Inhibitor

NCT05361655
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Palbociclib + an aromatase inhibitor, Aromatase inhibitor
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
2,888 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 6, 2024 · Synced Sep 28, 2026, 10:13 AM EDT
Terminated Phase 2 Interventional Results available

Intermittent Letrozole Therapy in Postmenopausal Women With Metastatic Breast Cancer

NCT00549822
View directory record Official record
Conditions
Breast Cancer
Interventions
Letrozole
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 21, 2017 · Synced Sep 28, 2026, 10:13 AM EDT
Completed No phase listed Observational

Drug Withdrawal in Women With Progressive Breast Cancer While on Aromatase Inhibitor Therapy

NCT00916162
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
35 Years and older · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 7, 2013 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Phase 1 Interventional

PTC299 and Hormonal Agent for Treatment of Metastatic Breast Cancer

NCT00508586
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
PTC299
Drug
Lead sponsor
PTC Therapeutics
Industry
Eligibility
18 Years and older · Female only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
3
States / cities
Indianapolis, Indiana • New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 2, 2016 · Synced Sep 28, 2026, 10:13 AM EDT
Recruiting Phase 3 Interventional

A Study Evaluating Adherence, Tolerability, and Patient Reported Outcomes of Giredestrant in Participants With ER+/HER2- Early Breast Cancer Who Are Intolerant to Adjuvant Aromatase Inhibitor Therapy (novERA Breast Cancer)

NCT07541079
View directory record Official record
Conditions
Early Breast Cancer
Interventions
Giredestrant
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2034
U.S. locations
2
States / cities
Fountain Valley, California • Sterling Heights, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 13, 2026 · Synced Sep 28, 2026, 10:13 AM EDT
Suspended Not applicable Interventional

Insulin Sensitivity in Men With the Metabolic Syndrome

NCT00433173
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
intravenous glucose tolerance test, testosterone, anastrozole, goserelin acetate implant, aerobic capacity (VO2 Max), MRI, muscle biopsy, measurement of resting metabolic rate (energy expenditure), Dual energy x-ray absorptiometry, Fasting oral glucose tolerance test
Procedure · Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
50 Years to 75 Years · Male only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
2
States / cities
Baltimore, Maryland • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 1, 2010 · Synced Sep 28, 2026, 10:13 AM 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 28, 2026, 10:13 AM EDT
Terminated Phase 2 Interventional Results available

Sorafenib and Fulvestrant in Treating Patients With Locally Advanced or Metastatic Breast Cancer That Did Not Respond to Aromatase Inhibitor Therapy

NCT00722072
View directory record Official record
Conditions
Breast Cancer
Interventions
fulvestrant, sorafenib tosylate
Drug
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
18 Years to 120 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 25, 2018 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Phase 2 Interventional Results available

Study of Fulvestrant +/- Everolimus in Post-Menopausal, Hormone-Receptor + Metastatic Breast Ca Resistant to AI

NCT01797120
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Fulvestrant, Everolimus, Placebo
Drug
Lead sponsor
PrECOG, LLC.
Other
Eligibility
18 Years and older
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
25
States / cities
Greenbrae, California • Stanford, California • Rockford, Illinois + 21 more
Source: ClinicalTrials.gov public record
Updated May 29, 2018 · Synced Sep 28, 2026, 10:13 AM 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 28, 2026, 10:13 AM EDT
Completed Not applicable Interventional

Acupressure for Aromatase Inhibitor-Associated Musculoskeletal Symptoms in Patients With Breast Cancer

NCT06228768
View directory record Official record
Conditions
Postmenopausal, Breast Cancer
Interventions
Acupressure
Other
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Not applicable Interventional

Acupuncture for Aromatase Inhibitor Induced Joint Pain

NCT00826397
View directory record Official record
Conditions
Breast Cancer
Interventions
Acupuncture, Sham Acupuncture
Procedure
Lead sponsor
Columbia University
Other
Eligibility
45 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 5, 2017 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Not applicable Interventional

Trial of Vaginal Estrogen for Urogenital Symptom Relief in Women on Aromatase Inhibitors

NCT02528383
View directory record Official record
Conditions
Breast Cancer
Interventions
Vagifem
Behavioral
Lead sponsor
Susan Tannenbaum
Other
Eligibility
18 Years and older · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 17, 2017 · Synced Sep 28, 2026, 10:13 AM EDT
Terminated Phase 1 Interventional

RO4929097 and Letrozole in Treating Post-Menopausal Women With Hormone Receptor-Positive Stage II or Stage III Breast Cancer

NCT01208441
View directory record Official record
Conditions
Estrogen Receptor-positive Breast Cancer, HER2-negative Breast Cancer, Progesterone Receptor-positive Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer
Interventions
letrozole, gamma-secretase/Notch signalling pathway inhibitor RO4929097, therapeutic conventional surgery, breast biopsy, diagnostic laboratory biomarker analysis, pharmacological study
Drug · Procedure · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
3
States / cities
Birmingham, Alabama • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 29, 2013 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Phase 2 Interventional Results available

Fulvestrant and Bevacizumab in Treating Patients With Metastatic Breast Cancer

NCT00423917
View directory record Official record
Conditions
Breast Cancer
Interventions
bevacizumab, fulvestrant
Biological · Drug
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
205
States / cities
Scottsdale, Arizona • Hollywood, Florida • Jacksonville, Florida + 127 more
Source: ClinicalTrials.gov public record
Updated May 7, 2018 · Synced Sep 28, 2026, 10:13 AM EDT
Withdrawn Phase 2 Interventional

Neoadjuvant and Adjuvant Exemestane in Treating Postmenopausal Women With Locally Advanced Hormone Receptor-Positive Breast Cancer

NCT00080613
View directory record Official record
Conditions
Stage II Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer
Interventions
exemestane, adjuvant therapy, aromatase inhibition, conventional surgery, endocrine therapy, hormone therapy, neoadjuvant therapy, surgery
Drug · Procedure
Lead sponsor
Robert H. Lurie Cancer Center
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 9, 2013 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Phase 2 Interventional

Impact of Endocrine Therapy and Abemaciclib on Host and Tumor Immune Cell Repertoire/Function in Advanced ER+/HER2- Breast Cancer

NCT04352777
View directory record Official record
Conditions
Metastatic Breast Cancer, Locally Advanced Breast Cancer, Hormone Receptor Positive Tumor
Interventions
Abemaciclib, Fulvestrant, Aromatase Inhibitors
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 19, 2025 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Phase 2 Interventional Results available

Comparison of Anastrozole Verses Clomiphene Citrate in Stimulating Follicular Growth and Ovulation in Infertile Women With Ovulatory Dysfunction

NCT00213148
View directory record Official record
Conditions
Anovulation
Interventions
Anastrozole 1 mg, Anastrozole 5 mg, Anastrozole 10 mg, Clomiphene Citrate 50 mg, Clomiphene Citrate 100 mg
Drug
Lead sponsor
EMD Serono
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
271 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Rockland, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 16, 2018 · Synced Sep 28, 2026, 10:13 AM 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 28, 2026, 10:13 AM 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 28, 2026, 10:13 AM EDT
Completed Not applicable Interventional

Effect of Low Intensity Vibration (LIV) on Aromatase Inhibitor- Induced Musculoskeletal Dysfunction in Early Stage Breast Cancer Survivors

NCT03712813
View directory record Official record
Conditions
Breast Cancer
Interventions
Macrodyne LivMD plate
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Phase 2 Interventional Results available

Zoledronic Acid in Aromatase Inhibitor Induced Musculoskeletal Symptoms

NCT01194440
View directory record Official record
Conditions
Ductal Carcinoma in Situ, Estrogen Receptor-positive Breast Cancer, Progesterone Receptor-positive Breast Cancer, Stage I Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer
Interventions
letrozole, zoledronic acid
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Female only
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 11, 2018 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Phase 2 Interventional Results available

Pulmonary Hypertension and Anastrozole Trial

NCT03229499
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Anastrozole, Placebo Oral Tablet
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
7
States / cities
Stanford, California • Aurora, Colorado • Baltimore, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 30, 2024 · Synced Sep 28, 2026, 10:13 AM EDT