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Fulvestrant clinical trials

Directory of U.S. ClinicalTrials.gov public records that list Fulvestrant as a study intervention. Browse Fulvestrant recruiting trials, filter by phase, sponsor, or location, and open the official ClinicalTrials.gov study record for each result.

ClinicalTrials.gov public records Last synced Oct 23, 2026, 9:19 PM EDT

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

Official matching trials
294
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Fulvestrant
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Showing 37–48 of 294 matching trials for Fulvestrant.
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Live official records

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Recruiting Phase 2 Interventional

A Study of Alisertib in Combination With Endocrine Therapy in Patients With HR-positive, HER2-negative Recurrent or Metastatic Breast Cancer

NCT06369285
View directory record Official record
Conditions
Hormone Receptor Positive HER-2 Negative Breast Cancer, Metastatic Breast Cancer, Recurrent Breast Cancer
Interventions
Alisertib, Endocrine therapy
Drug
Lead sponsor
Puma Biotechnology, Inc.
Industry
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
35
States / cities
Birmingham, Alabama • Phoenix, Arizona • Beverly Hills, California + 28 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 23, 2026, 9:19 PM EDT
Recruiting Phase 1 Interventional

Open-Label Study of BBO-10203 in Subjects With Advanced Solid Tumors

NCT06625775
View directory record Official record
Conditions
Solid Tumor, Adult, Metastatic Breast Cancer, Advanced Breast Cancer, HER2 Mutation-Related Tumors, HER2-positive Metastatic Breast Cancer, KRAS Mutant Metastatic Colorectal Cancer, Metastatic Lung Cancer, Metastatic Colorectal Cancer, Advanced Lung Cancer, HR-positive, HER2-negative Advanced Breast Cancer, HER2-positive Advanced Breast Cancer
Interventions
BBO-10203, Trastuzumab, Fulvestrant, Ribociclib, FOLFOX, Bevacizumab
Drug
Lead sponsor
TheRas, Inc., d/b/a BBOT (BridgeBio Oncology Therapeutics)
Industry
Eligibility
18 Years and older
Enrollment
392 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
19
States / cities
Duarte, California • Los Angeles, California • San Diego, California + 13 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 23, 2026, 9:19 PM EDT
Recruiting Phase 1Phase 2 Interventional

SRS & Abemaciclib w/wo Imlunestrant in the Management of HR+/HER2- Breast CA Brain Metastases

NCT04923542
View directory record Official record
Conditions
Brain Metastases, HR+ Metastatic Breast Cancer
Interventions
Stereotactic Radiosurgery (SRS), Abemaciclib, Endocrine therapy
Radiation · Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
2
States / cities
Tampa, Florida • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 23, 2026, 9:19 PM EDT
Recruiting Phase 1Phase 2 Interventional

Study of AVZO-021 in Patients With Advanced Solid Tumors

NCT05867251
View directory record Official record
Conditions
Advanced Solid Tumor, HR+/HER2- Breast Cancer, HR+, HER2-, Advanced Breast Cancer, CCNE1 Amplification, Epithelial Ovarian Cancer, Primary Peritoneal Cancer, Fallopian Tube Cancer, Endometrial Cancer, TNBC - Triple-Negative Breast Cancer
Interventions
AVZO-021, Palbociclib, Fulvestrant, Letrozole, Ribociclib, Abemaciclib, Carboplatin, Sacituzumab Govitecan-hziy
Drug
Lead sponsor
Avenzo Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
430 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
11
States / cities
New Haven, Connecticut • Sarasota, Florida • Tampa, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 23, 2026, 9:19 PM EDT
Recruiting Phase 1 Interventional

A Study of BG-75098 Alone and in Combination With Other Agents in Adults With Advanced Solid Tumors

NCT07226349
View directory record Official record
Conditions
Advanced Solid Tumor
Interventions
BG-75098, BGB-43395, Fulvestrant
Drug
Lead sponsor
BeOne Medicines
Industry
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
8
States / cities
Birmingham, Alabama • Duarte, California • New Haven, Connecticut + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 23, 2026, 9:19 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

A Study of Lenvatinib, Pembrolizumab, and Fulvestrant in People With Breast Cancer

NCT06110793
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Lenvatinib, Pembrolizuma, Fulvestrant
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
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 28, 2026 · Synced Oct 23, 2026, 9:19 PM EDT
Recruiting Phase 3 Interventional

A Study Evaluating the Efficacy and Safety of Inavolisib Plus Fulvestrant Compared With Alpelisib Plus Fulvestrant in Participants With HR-Positive, HER2-Negative, PIK3CA Mutated, Locally Advanced or Metastatic Breast Cancer Post CDK4/6i and Endocrine Combination Therapy

NCT05646862
View directory record Official record
Conditions
Breast Cancer
Interventions
Inavolisib, Fulvestrant, Alpelisib, Bupropion, Omeprazole, Midazolam
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
39
States / cities
Greenbrae, California • Los Alamitos, California • Los Angeles, California + 32 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 23, 2026, 9:19 PM EDT
Completed Phase 2 Interventional Results available

Evaluating Cancer Response to Treatment With Abemaciclib and Fulvestrant in Women With Recurrent Endometrial Cancer

NCT03643510
View directory record Official record
Conditions
Adenocarcinoma of Endometrium
Interventions
Fulvestrant, Abemaciclib
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 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 25, 2026 · Synced Oct 23, 2026, 9:19 PM EDT
Completed Phase 2 Interventional Results available

Phase 2a Study of ZW25 in Combination With Palbociclib Plus Fulvestrant

NCT04224272
View directory record Official record
Conditions
HER2+/HR+ Breast Cancer
Interventions
ZW25 (Zanidatamab), Palbociclib, Fulvestrant
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
3
States / cities
Santa Monica, California • Nashville, Tennessee • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 23, 2026, 9:19 PM EDT
Recruiting Phase 2 Interventional

Functional Imaging in Prediction of Response to Abemaciclib for Advanced Hormone Receptor-Positive, HER2-Negative Breast Cancer

NCT06179303
View directory record Official record
Conditions
Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, Locally Advanced Unresectable HER2-Negative Breast Carcinoma, Locally Advanced Unresectable Hormone Receptor-Positive Breast Carcinoma, Metastatic HER2-Negative Breast Carcinoma, Metastatic Hormone Receptor-Positive Breast Carcinoma
Interventions
Abemaciclib, Anastrozole, Biospecimen Collection, Computed Tomography, Diagnostic Imaging Testing, Exemestane, Fludeoxyglucose F-18, Fluorine F 18 Fluoro Furanyl Norprogesterone, Fulvestrant, Gonadotropin-releasing Hormone Analog, Letrozole, Positron Emission Tomography, Tamoxifen, Therapeutic Estradiol
Drug · Procedure · Other + 1 more
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
3
States / cities
St Louis, Missouri • Chapel Hill, North Carolina • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 23, 2026, 9:19 PM EDT
Completed Phase 2 Interventional Results available

Alisertib With or Without Fulvestrant in Treating Patients With Locally Advanced or Metastatic, Endocrine-Resistant Breast Cancer

NCT02860000
View directory record Official record
Conditions
Estrogen Receptor Status, HER2/Neu Negative, Invasive Breast Carcinoma, Postmenopausal, Stage III Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer
Interventions
Alisertib, Fulvestrant, Laboratory Biomarker Analysis
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
8
States / cities
Washington D.C., District of Columbia • Boston, Massachusetts • Ann Arbor, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 23, 2026, 9:19 PM EDT
Terminated Phase 1 Interventional Results available

Phase 1b/2 Study of TTI-101 in Combination for Patients With Metastatic Hormone Receptor-Positive and HER2-Negative Breast Cancer

NCT05384119
View directory record Official record
Conditions
Breast Cancer
Interventions
TTI-101, Palbociclib, Aromatase inhibitor (AI), fulvestrant, ribociclib
Drug
Lead sponsor
Tvardi Therapeutics, Incorporated
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
6
States / cities
Fort Lauderdale, Florida • St Louis, Missouri • Nashville, Tennessee + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 23, 2026, 9:19 PM EDT

About this Fulvestrant clinical trials directory page

What this page lists
U.S. ClinicalTrials.gov public records that list Fulvestrant as a study intervention, including recruiting, not yet recruiting, and active not recruiting trials.
How to narrow results
Use the filters above to scope by condition, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, age, or NCT ID within Fulvestrant.
Where the data comes from
Records are sourced from the official ClinicalTrials.gov public API. Each result links back to the official study page, which is the source of truth for eligibility, enrollment, and contact information.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, ranking of trials by quality, or AI-generated medical summaries.

Related: all therapy pages, browse by condition, browse by U.S. city, browse by sponsor, or open the full search for Fulvestrant.