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ClinicalTrials.gov public records Last synced Oct 23, 2026, 1:41 PM EDT

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Showing 73–96 of 1,358 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: HER2- Breast Cancer Clear all
Completed Phase 1 Interventional

Open-Label Study Evaluating the Safety and Tolerability of LJM716, BYL719 and Trastuzumab in Patients With Metastatic HER2+ Breast Cancer

NCT02167854
View directory record Official record
Conditions
Breast Cancer
Interventions
BYL719, LJM716, TRASTUZUMAB
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
6
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Commack, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2021 · Synced Oct 23, 2026, 1:41 PM EDT
Recruiting Phase 2 Interventional

Alpelisib/iNOS Inhibitor/Nab-paclitaxel in Patients With HER2 Negative Metaplastic Breast Cancer (MpBC)

NCT05660083
View directory record Official record
Conditions
HER2-negative Breast Cancer, Metastatic Breast Cancer, Metaplastic Breast Carcinoma, TNBC - Triple-Negative Breast Cancer
Interventions
L-NMMA
Drug
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
3
States / cities
Bethesda, Maryland • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 23, 2026, 1:41 PM EDT
Active, not recruiting No phase listed Observational

A Study of Ado-trastuzumab Emtansine (T-DM1)-Induced Peripheral Neuropathy in HER2-positive Breast Cancer Patients

NCT05889988
View directory record Official record
Conditions
Breast Neoplasm
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
21
States / cities
Aitkin, Minnesota • Baxter, Minnesota • Brainerd, Minnesota + 17 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2025 · Synced Oct 23, 2026, 1:41 PM EDT
Completed Phase 1 Interventional

Ritonavir and Its Effects on Biomarkers in Women Undergoing Surgery for Newly Diagnosed Breast Cancer

NCT01009437
View directory record Official record
Conditions
Breast Cancer
Interventions
ritonavir, therapeutic conventional surgery
Drug · Procedure
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years and older · Female only
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
2
States / cities
Minneapolis, Minnesota • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 5, 2017 · Synced Oct 23, 2026, 1:41 PM EDT
Terminated Phase 1Phase 2 Interventional

Vaccine Therapy in Treating Patients With HER2/Neu Positive or Negative Stage IV Breast Cancer or Other HER2/Neu Positive Cancers

NCT00095862
View directory record Official record
Conditions
Breast Cancer, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
allogeneic GM-CSF-secreting breast cancer vaccine, recombinant interferon alfa, cyclophosphamide
Biological · Drug
Lead sponsor
Wiseman Research Initiatives LLC
Industry
Eligibility
18 Years to 120 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2004
U.S. locations
3
States / cities
Glendale, California • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 5, 2018 · Synced Oct 23, 2026, 1:41 PM EDT
Completed Phase 2 Interventional Results available

A Study of Abemaciclib (LY2835219) In Participants With Previously Treated Breast Cancer That Has Spread

NCT02102490
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Abemaciclib
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Female only
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
27
States / cities
Sedona, Arizona • Tucson, Arizona • San Francisco, California + 22 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2020 · Synced Oct 23, 2026, 1:41 PM EDT
Active, not recruiting Phase 2 Interventional

PF-07104091 as a Single Agent and in Combination Therapy

NCT04553133
View directory record Official record
Conditions
Small Cell Lung Cancer, Ovarian Cancer, Breast Cancer
Interventions
PF-07104091 monotherapy dose escalation, PF-07104091 + palbociclib + fulvestrant, PF-07104091 + palbociclib + letrozole, PF-07104091 monotherapy dose expansion (ovarian), PF-07104091 monotherapy dose expansion (SCLC), PF-07104091 + Fulvestrant (post CDK4/6), PF-0704091 + Fulvestrant (post CDK4/6)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
17
States / cities
Clive, Iowa • Des Moines, Iowa • Louisville, Kentucky + 7 more
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 23, 2026, 1:41 PM EDT
Recruiting Phase 2 Interventional

Fulvestrant+Abemaciclib With Run-In of Fulvestrant in Er-Positive, Her2-Negative Metastatic Breast Cancer

NCT05305924
View directory record Official record
Conditions
ER-Positive Breast Cancer, HER2-negative Breast Cancer
Interventions
Fulvestrant Run-In
Drug
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Oct 23, 2026, 1:41 PM EDT
Withdrawn Phase 1Phase 2 Interventional

A Study to Evaluate the Antitumor Activity and Safety of IPI-504 in Patients With Advanced Breast Cancer

NCT00627627
View directory record Official record
Conditions
Breast Cancer
Interventions
IPI-504
Drug
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 80 Years · Female only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
7
States / cities
Washington D.C., District of Columbia • Boca Raton, Florida • Lake Worth, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2010 · Synced Oct 23, 2026, 1:41 PM EDT
Active, not recruiting Phase 1 Interventional

A Phase 1b Study of T-DXd Combinations in HER2-low Advanced or Metastatic Breast Cancer

NCT04556773
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Trastuzumab deruxtecan, Durvalumab, Paclitaxel, Capivasertib, Anastrozole, Fulvestrant, Capecitabine
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
9
States / cities
Commack, New York • Harrison, New York • New York, New York + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Oct 23, 2026, 1:41 PM EDT
Terminated No phase listed Observational

An Observational Study of Patients Receiving T-DXd for Treatment of HER2+, and HER2-low Unresectable and/or Metastatic Breast Cancer

NCT05592483
View directory record Official record
Conditions
Breast Cancer
Interventions
None (Observational Study)
Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
40
States / cities
Mobile, Alabama • Chandler, Arizona • Little Rock, Arkansas + 36 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2024 · Synced Oct 23, 2026, 1:41 PM EDT
Completed Phase 2 Interventional Results available

Neoadjuvant GW572016 to Treat Breast Cancer

NCT00206427
View directory record Official record
Conditions
Breast Cancer
Interventions
GW572016, lapatinib
Drug
Lead sponsor
Baylor Breast Care Center
Other
Eligibility
18 Years and older · Female only
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2012
U.S. locations
3
States / cities
Los Angeles, California • Albuquerque, New Mexico • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 29, 2021 · Synced Oct 23, 2026, 1:41 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 23, 2026, 1:41 PM EDT
Terminated Phase 1 Interventional

Intrathecal Pertuzumab and Trastuzumab in Patients With New Untreated Asymptomatic or Low Symptomatic Brain Metastasis in HER2 Positive Breast Cancer

NCT02598427
View directory record Official record
Conditions
HER2 Positive Untreated Metastatic Breast Cancer, Asymptomatic or Low Symptomatic Brain Metastasis in Breast Cancer
Interventions
Pertuzumab, Trastuzumab
Drug
Lead sponsor
Kimberly Blackwell
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 28, 2018 · Synced Oct 23, 2026, 1:41 PM EDT
Completed Phase 2 Interventional

Biological and Clinical Effects of Palbociclib With Ovarian Suppression and Letrozole in the Neoadjuvant Treatment of Breast Cancer

NCT03628066
View directory record Official record
Conditions
Breast Cancer
Interventions
Letrozole, Palbociclib, Goserelin, Oncotype DX Breast Recurrence Score
Drug · Diagnostic Test
Lead sponsor
NSABP Foundation Inc
Network
Eligibility
18 Years and older · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
11
States / cities
Fountain Valley, California • Laguna Hills, California • Long Beach, California + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2022 · Synced Oct 23, 2026, 1:41 PM EDT
Completed Phase 1 Interventional Results available

Efficacy and Safety of Everolimus in Combination Therapy, in Patients With HER2-overexpressing Metastatic Breast Cancer

NCT00426556
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Everolimus, Trastuzumab, Paclitaxel
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
11
States / cities
*see Various Departments*, California • Fountain Valley, California • Loma Linda, California + 8 more
Source: ClinicalTrials.gov public record
Updated Dec 28, 2015 · Synced Oct 23, 2026, 1:41 PM EDT
Completed Phase 1 Interventional

Clinical Trial of the Combination of Intravenous Alvespimycin (KOS-1022), Trastuzumab With or Without Paclitaxel in Patients With Advanced Solid Tumor Malignancies or Her2 Positive Metastatic Breast Cancer Who Have Previously Failed Trastuzumab Therapy

NCT00803556
View directory record Official record
Conditions
Solid Tumor, Breast Cancer
Interventions
Alvespimycin, Trastuzumab, Paclitaxel
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
2
States / cities
Indianapolis, Indiana • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 27, 2011 · Synced Oct 23, 2026, 1:41 PM EDT
Completed Phase 1 Interventional

Study of Antibody Drug Conjugate in Patients With Advanced Breast Cancer Expressing HER2

NCT02952729
View directory record Official record
Conditions
Advanced Breast Cancer, Advanced Nonsmall Cell Lung Cancer, Advanced Gastric Cancer
Interventions
XMT-1522
Drug
Lead sponsor
Mersana Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
5
States / cities
Tampa, Florida • Boston, Massachusetts • Nashville, Tennessee + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 24, 2021 · Synced Oct 23, 2026, 1:41 PM EDT
Terminated Not applicable Interventional

A Feasibility Trial of a Web Based App Intervention in Hormone Positive Breast Cancer Patients to Improve Adherence to Endocrine Therapy

NCT05488145
View directory record Official record
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, HER2-Negative Breast Carcinoma, Hormone Receptor-Positive Breast Carcinoma
Interventions
Best Practice, Internet-Based Intervention, Questionnaire Administration, Survey Administration
Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
4
States / cities
Atlanta, Georgia • Johns Creek, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 17, 2026 · Synced Oct 23, 2026, 1:41 PM EDT
Recruiting Phase 2 Interventional

A Phase II Study Evaluating the Efficacy and Safety of Inavolisib Plus Ribociclib Plus Fulvestrant Versus Placebo Plus Ribociclib Plus Fulvestrant in Participants With Advanced Breast Cancer

NCT07405801
View directory record Official record
Conditions
Breast Cancer
Interventions
Inavolisib, Ribociclib, Fulvestrant, Placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
10
States / cities
Anaheim, California • Palo Alto, California • Jacksonville, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 23, 2026, 1:41 PM EDT
Completed Phase 3 Interventional Results available

Study of Sacituzumab Govitecan-hziy Versus Treatment of Physician's Choice in Participants With HR+/HER2- Metastatic Breast Cancer

NCT03901339
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Sacituzumab Govitecan-hziy, Eribulin, Capecitabine, Gemcitabine, Vinorelbine
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
543 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
55
States / cities
Avondale, Arizona • Tucson, Arizona • Fayetteville, Arkansas + 40 more
Source: ClinicalTrials.gov public record
Updated Oct 21, 2024 · Synced Oct 23, 2026, 1:41 PM EDT
Recruiting Phase 2 Interventional

Trial of Pre-operative Neratinib and Endocrine Therapy With Trastuzumab in ER-Positive, HER-2 Positive Breast Cancers

NCT04886531
View directory record Official record
Conditions
Breast Cancer, HER2-positive Breast Cancer, ER Positive Breast Cancer, PR-Positive Breast Cancer
Interventions
Neratinib, Letrozole (L) or Anastrozole (A), Trastuzumab
Drug
Lead sponsor
Ruth O'Regan
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
4
States / cities
Chicago, Illinois • Rochester, New York • Hershey, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 23, 2026, 1:41 PM EDT
Terminated Phase 1 Interventional

Tucatinib, Trastuzumab, and Capecitabine With SRS for Brain Metastases From HER-2 Positive Breast Cancer

NCT05553522
View directory record Official record
Conditions
Brain Metastases, HER2-positive Breast Cancer
Interventions
Combined use of SRS with Tucatinib, Trastuzumab, and Capecitabine
Combination Product
Lead sponsor
Baptist Health South Florida
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 31, 2025 · Synced Oct 23, 2026, 1:41 PM EDT
Terminated Phase 2 Interventional Results available

Denosumab in Treating Patients With ER and/or PR Positive, HER2 Negative Metastatic Breast Cancer With Bone Metastases and Detectable Circulating Tumor Cells

NCT03070002
View directory record Official record
Conditions
Breast Carcinoma Metastatic in the Bone, Circulating Tumor Cell Count, Estrogen Receptor Positive, HER2/Neu Negative, Progesterone Receptor Positive, Stage IV Breast Cancer
Interventions
Denosumab, Laboratory Biomarker Analysis
Biological · Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
2
States / cities
Chicago, Illinois • Lake Forest, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 20, 2018 · Synced Oct 23, 2026, 1:41 PM EDT