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ClinicalTrials.gov public records Last synced Oct 11, 2026, 9:54 AM EDT

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Showing 49–72 of 83 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Early Stage HER2-Positive Breast Carcinoma Clear all
Completed Phase 3 Interventional Results available

A Phase III Randomized Trial of Metformin vs Placebo in Early Stage Breast Cancer

NCT01101438
View directory record Official record
Conditions
Breast Cancer
Interventions
metformin hydrochloride, placebo
Drug · Other
Lead sponsor
Canadian Cancer Trials Group
Network
Eligibility
18 Years to 74 Years
Enrollment
3,649 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2023
U.S. locations
280
States / cities
Anchorage, Alaska • Fairbanks, Alaska • Scottsdale, Arizona + 213 more
Source: ClinicalTrials.gov public record
Updated Sep 13, 2023 · Synced Oct 11, 2026, 9:54 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Pharmacokinetics, Efficacy, and Safety of Subcutaneous Administration of the Fixed-Dose Combination of Pertuzumab and Trastuzumab in Combination With Chemotherapy in Participants With HER2-Positive Early Breast Cancer

NCT03493854
View directory record Official record
Conditions
Early Breast Cancer
Interventions
Cyclophosphamide, Doxorubicin, Docetaxel, Paclitaxel, Pertuzumab IV, FDC of Pertuzumab and Trastuzumab SC, Trastuzumab IV, Trastuzumab SC, Surgery, Post-operative Radiotherapy, Hormone Therapy
Drug · Procedure · Radiation
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
4
States / cities
Rockville, Maryland • Farmington, New Mexico • Charlotte, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2024 · Synced Oct 11, 2026, 9:54 AM EDT
Recruiting Phase 1 Interventional

DecipHER Trial - DC1 Tx for Early-Stage TNBC and ER Low Positive Breast Cancer

NCT05504707
View directory record Official record
Conditions
Triple Negative Breast Cancer, HER2-negative Breast Cancer
Interventions
HER2 - primed Dendritic cells, HER3 - primed Dendritic cells
Biological
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 11, 2026, 9:54 AM EDT
Terminated Not applicable Interventional Results available

Preoperative Stereotactic Ablative Body Radiotherapy (SABR) for Early-Stage Breast Cancer

NCT03137693
View directory record Official record
Conditions
Breast Cancer, Breast Cancer Female, Breast Adenocarcinoma
Interventions
Standard of Care Schedule Variation: SABR, Breast-conserving Surgery
Other · Procedure
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
50 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Feb 23, 2023 · Synced Oct 11, 2026, 9:54 AM EDT
Active, not recruiting Phase 2 Interventional

Clinical Trial Assessing the Safety of Neoadjuvant Palbociclib in Combination With Endocrine Therapy

NCT05069038
View directory record Official record
Conditions
Breast Cancer
Interventions
Palbociclib 125mg
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older · Female only
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2032
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 11, 2026, 9:54 AM 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 29, 2025 · Synced Oct 11, 2026, 9:54 AM EDT
Completed Early Phase 1 Interventional

Docetaxel,Carboplatin,Trastuzumab and Bevacizumab for Breast Cancer and Bone Marrow Micrometastases

NCT00949247
View directory record Official record
Conditions
Breast Cancer
Interventions
bevacizumab, trastuzumab, carboplatin, docetaxel, laboratory biomarker analysis
Biological · Drug · Other
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
5
States / cities
Cleveland, Ohio • Mayfield Heights, Ohio • Orange, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2020 · Synced Oct 11, 2026, 9:54 AM EDT
Completed Phase 2 Interventional Results available

A Study of Trastuzumab Emtansine (T-DM1) Sequentially With Anthracycline-based Chemotherapy, as Adjuvant or Neoadjuvant Therapy for Patients With Early Stage Herceptin (HER)2-positive Breast Cancer

NCT01196052
View directory record Official record
Conditions
Breast Cancer
Interventions
Trastuzumab emtansine
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
15
States / cities
Fort Myers, Florida • Lafayette, Indiana • Scarborough, Maine + 11 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2014 · Synced Oct 11, 2026, 9:54 AM EDT
Completed Phase 2 Interventional Results available

Nanoparticle Albumin-Bound (Nab) Paclitaxel/Cyclophosphamide in Early-Stage Breast Cancer

NCT00629499
View directory record Official record
Conditions
Breast Cancer
Interventions
nab paclitaxel, Cyclophosphamide, Trastuzumab
Drug
Lead sponsor
SCRI Development Innovations, LLC
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
10
States / cities
Lakeland, Florida • St. Petersburg, Florida • Louisville, Kentucky + 7 more
Source: ClinicalTrials.gov public record
Updated Nov 24, 2021 · Synced Oct 11, 2026, 9:54 AM EDT
Recruiting Phase 2 Interventional

Trastuzumab Deruxtecan Alone or in Combination With Anastrozole for the Treatment of Early Stage HER2 Low, Hormone Receptor Positive Breast Cancer

NCT04553770
View directory record Official record
Conditions
Early-stage Breast Cancer, Hormone Receptor Positive Breast Carcinoma, Invasive Breast Cancer, Stage II Breast Cancer, Stage IIA Breast Cancer, Stage IIB Breast Cancer, Stage III Breast Cancer
Interventions
Anastrozole, Therapeutic Conventional Surgery, Trastuzumab Deruxtecan
Drug · Procedure · Biological
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
9
States / cities
Fullerton, California • Los Alamitos, California • Los Angeles, California + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 10, 2025 · Synced Oct 11, 2026, 9:54 AM EDT
Completed Phase 3 Interventional Results available

ALTTO (Adjuvant Lapatinib And/Or Trastuzumab Treatment Optimisation) Study; BIG 2-06/N063D

NCT00490139
View directory record Official record
Conditions
Neoplasms, Breast
Interventions
Lapatinib, Trastuzumab
Drug · Biological
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
8,381 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2021
U.S. locations
260
States / cities
Mobile, Alabama • Anchorage, Alaska • Tucson, Arizona + 221 more
Source: ClinicalTrials.gov public record
Updated Mar 21, 2025 · Synced Oct 11, 2026, 9:54 AM EDT
Active, not recruiting Phase 3 Interventional

A Trial to Evaluate Efficacy and Safety of Ribociclib With Endocrine Therapy as Adjuvant Treatment in Patients With HR+/HER2- Early Breast Cancer

NCT03701334
View directory record Official record
Conditions
Early Breast Cancer
Interventions
Ribociclib, Endocrine Therapy (ET)
Drug · Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
5,101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2030
U.S. locations
73
States / cities
Birmingham, Alabama • Goodyear, Arizona • Jonesboro, Arkansas + 68 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 11, 2026, 9:54 AM EDT
Not listed Phase 2 Interventional

A Prospective Study of Breast Cancer Patients With Abnormal Strain Imaging

NCT02993198
View directory record Official record
Conditions
HER2 Positive Breast Cancer, Cardiovascular Abnormalities
Interventions
Carvedilol
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Female only
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 3, 2024 · Synced Oct 11, 2026, 9:54 AM EDT
Completed Not applicable Interventional

T-Cell Response in Patients Receiving Trastuzumab and/or Chemotherapy for HER2-Positive Solid Tumors

NCT00433407
View directory record Official record
Conditions
Breast Cancer, Lung Cancer, Ovarian Cancer, Prostate Cancer, Sarcoma, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
trastuzumab
Biological
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
Not listed
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 4, 2012 · Synced Oct 11, 2026, 9:54 AM EDT
Completed Phase 3 Interventional Results available

Study Evaluating The Effects Of Neratinib After Adjuvant Trastuzumab In Women With Early Stage Breast Cancer

NCT00878709
View directory record Official record
Conditions
Breast Cancer
Interventions
neratinib, placebo
Drug · Other
Lead sponsor
Puma Biotechnology, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
2,840 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
185
States / cities
Anniston, Alabama • Birmingham, Alabama • Phoenix, Arizona + 147 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2021 · Synced Oct 11, 2026, 9:54 AM EDT
Recruiting Phase 3 Interventional

Phase IIIb Study of Ribociclib + ET in Early Breast Cancer

NCT05827081
View directory record Official record
Conditions
Early Breast Cancer
Interventions
Ribociclib, Letrozole, Ansastrozole, Goserelin, Leuprolide, Exemestane
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
1,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
85
States / cities
Birmingham, Alabama • Anchorage, Alaska • Goodyear, Arizona + 74 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 11, 2026, 9:54 AM EDT
Recruiting Early Phase 1 Interventional

Neoadjuvant Therapy and Contrast-enhanced Mammography for Early Stage Breast Cancer

NCT06220214
View directory record Official record
Conditions
Breast Cancer, Locally Advanced Breast Cancer, Neoadjuvant Chemotherapy, HER2-positive Breast Cancer, Triple Negative Breast Cancer, TNBC, Triple Negative Breast Cancer
Interventions
CEDM, CEDBT, Omnipaque 350mgI/mL Solution for Injection
Diagnostic Test · Drug
Lead sponsor
Alison Stopeck
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Oct 11, 2026, 9:54 AM EDT
Active, not recruiting Phase 3 Interventional Results available

Trastuzumab Deruxtecan (T-DXd) Alone or in Sequence With THP, Versus Standard Treatment (ddAC-THP), in HER2-positive Early Breast Cancer

NCT05113251
View directory record Official record
Conditions
Breast Neoplasms, Breast Cancer, HER2-positive Early Breast Cancer
Interventions
Trastuzumab Deruxtecan, Paclitaxel, Trastuzumab, Pertuzumab, Doxorubicin, cyclophosphamide
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
927 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
22
States / cities
Springdale, Arkansas • Beverly Hills, California • Glendale, California + 19 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 11, 2026, 9:54 AM EDT
Recruiting No phase listed Observational

Evaluating Minimal Residual Disease (MRD) Through Longitudinal Circulating Tumor DNA (ctDNA) Profiling in Breast Malignancies

NCT07211178
View directory record Official record
Conditions
Breast Cancer, TNBC - Triple-Negative Breast Cancer, HR Positive/HER-2 Negative Breast Cancer, HER2 + Breast Cancer, Early Stage Breast Cancer
Interventions
There are no interventions in this observational study.
Other
Lead sponsor
Tempus AI
Industry
Eligibility
18 Years to 99 Years
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2033
U.S. locations
16
States / cities
Birmingham, Alabama • Whittier, California • Weston, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 11, 2026, 9:54 AM EDT
Completed Phase 2 Interventional Results available

A Study of Neoadjuvant Letrozole + Taselisib Versus Letrozole + Placebo in Post-Menopausal Women With Breast Cancer (LORELEI)

NCT02273973
View directory record Official record
Conditions
Breast Cancer
Interventions
Letrozole, Placebo, Taselisib
Drug · Other
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
334 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
8
States / cities
Santa Ana, California • Boston, Massachusetts • Basking Ridge, New Jersey + 5 more
Source: ClinicalTrials.gov public record
Updated May 21, 2018 · Synced Oct 11, 2026, 9:54 AM EDT
Active, not recruiting Phase 3 Interventional

A Study Evaluating the Efficacy and Safety of Adjuvant Giredestrant Compared With Physician's Choice of Adjuvant Endocrine Monotherapy in Participants With Estrogen Receptor-Positive, HER2-Negative Early Breast Cancer (lidERA Breast Cancer)

NCT04961996
View directory record Official record
Conditions
Early Breast Cancer
Interventions
Giredestrant, Physician's Choice of Endocrine Therapy, LHRH Agonist
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
4,170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2033
U.S. locations
72
States / cities
Daphne, Alabama • Bakersfield, California • Fullerton, California + 66 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 11, 2026, 9:54 AM EDT
Completed Not applicable Interventional Results available

FLT PET in Measuring Treatment Response in Patients With Newly Diagnosed Estrogen Receptor-Positive, HER2-Negative Stage I-III Breast Cancer

NCT01928186
View directory record Official record
Conditions
Estrogen Receptor Positive, HER2/Neu Negative, Male Breast Carcinoma, Stage IA Breast Cancer, Stage IB Breast Cancer, Stage IIA Breast Cancer, Stage IIB Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer
Interventions
Fluorothymidine F-18, Positron Emission Tomography, Laboratory Biomarker Analysis, Run-in (short pre-surgery course) of endocrine-targeted therapy
Drug · Procedure · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 15, 2018 · Synced Oct 11, 2026, 9:54 AM EDT
Completed Phase 2 Interventional Results available

Adj TC + Herceptin Early Stage Breast Cancer

NCT00493649
View directory record Official record
Conditions
Breast Cancer
Interventions
Taxotere, Cytoxan, Herceptin
Drug
Lead sponsor
US Oncology Research
Industry
Eligibility
18 Years to 70 Years · Female only
Enrollment
493 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
69
States / cities
Birmingham, Alabama • Phoenix, Arizona • Sedona, Arizona + 62 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2016 · Synced Oct 11, 2026, 9:54 AM EDT
Withdrawn Phase 3 Interventional

Efficacy and Safety Study of EG1206A (EirGenix' Pertuzumab) Compared With EU-sourced Perjeta® (Pertuzumab) in Patients With HER2-positive Hormone Receptor Negative Early Breast Cancer.

NCT06884254
View directory record Official record
Conditions
Early Breast Cancer
Interventions
EG1206A, Perjeta
Drug
Lead sponsor
EirGenix, Inc.
Industry
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Oct 11, 2026, 9:54 AM EDT