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ClinicalTrials.gov public records Last synced Jun 25, 2026, 8:12 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: HER2- Breast Cancer Clear all
Not listed No phase listed Observational

Breast Cancer Tumor Heterogeneity

NCT02108561
View directory record Official record
Conditions
Breast Cancer
Interventions
Post Surgical Her2 testing
Other
Lead sponsor
Anne Arundel Health System Research Institute
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Annapolis, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 8, 2018 · Synced Jun 25, 2026, 8:12 AM EDT
Completed No phase listed Observational

A Study Assessing Risk Factors for Oral Mucositis/Stomatitis and Ocular Surface Events in NSCLC and Breast Cancer

NCT06686602
View directory record Official record
Conditions
Advanced/Metastatic NSCLC, Advanced/Metastatic HER2-negative Breast Cancer
Interventions
No drug
Other
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
13,759 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 18, 2025 · Synced Jun 25, 2026, 8:12 AM EDT
Recruiting Phase 1Phase 2 Interventional

The Evaluation of PC14586 in Patients With Advanced Solid Tumors Harboring a TP53 Y220C Mutation (PYNNACLE)

NCT04585750
View directory record Official record
Conditions
Advanced Solid Tumor, Advanced Malignant Neoplasm, Metastatic Cancer, Metastatic Solid Tumor, Lung Cancer, Ovarian Cancer, Endometrial Cancer, Prostate Cancer, Colorectal Cancer, Breast Cancer, Other Cancer, Locally Advanced, Head and Neck Cancer, Gall Bladder Cancer, Small Cell Lung Cancer, Small Cell Lung Cancer ( SCLC ), Small Cell Lung Carcinoma, NSCLC, NSCLC (Non-small Cell Lung Cancer), SCLC, Non-Small Cell Lung Carcinoma, Triple Negative Breast Cancer, TNBC, HER2+ Breast Cancer, Non-Small Cell Lung Cancer, ER/PR Positive Breast Cancer, HER2- Breast Cancer, HER2-positive Breast Cancer, HER2-negative Breast Cancer, ER/PR(+), Her2(-) Breast Cancer
Interventions
rezatapopt, pembrolizumab
Drug
Lead sponsor
PMV Pharmaceuticals, Inc
Industry
Eligibility
12 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
32
States / cities
Irvine, California • La Jolla, California • Los Angeles, California + 25 more
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Jun 25, 2026, 8:12 AM EDT
Completed Phase 2 Interventional Results available

Phase II Trial of the Cyclin-Dependent Kinase Inhibitor PD 0332991 in Patients With Cancer

NCT01037790
View directory record Official record
Conditions
Adult Solid Tumor, Adenocarcinoma of the Colon, Adenocarcinoma of the Rectum, Adult Central Nervous System Germ Cell Tumor, Adult Teratoma, Benign Teratoma, Estrogen Receptor-negative Breast Cancer, Estrogen Receptor-positive Breast Cancer, Familial Testicular Germ Cell Tumor, HER2-negative Breast Cancer, HER2-positive Breast Cancer, Male Breast Cancer, Ovarian Immature Teratoma, Ovarian Mature Teratoma, Ovarian Monodermal and Highly Specialized Teratoma, Progesterone Receptor-negative Breast Cancer, Progesterone Receptor-positive Breast Cancer, Recurrent Breast Cancer, Recurrent Colon Cancer, Recurrent Extragonadal Germ Cell Tumor, Recurrent Extragonadal Non-seminomatous Germ Cell Tumor, Recurrent Extragonadal Seminoma, Recurrent Malignant Testicular Germ Cell Tumor, Recurrent Melanoma, Recurrent Ovarian Germ Cell Tumor, Recurrent Rectal Cancer, Stage III Extragonadal Non-seminomatous Germ Cell Tumor, Stage III Extragonadal Seminoma, Stage III Malignant Testicular Germ Cell Tumor, Stage III Ovarian Germ Cell Tumor, Stage IV Breast Cancer, Stage IV Colon Cancer, Stage IV Extragonadal Non-seminomatous Germ Cell Tumor, Stage IV Extragonadal Seminoma, Stage IV Melanoma, Stage IV Ovarian Germ Cell Tumor, Stage IV Rectal Cancer, Testicular Immature Teratoma, Testicular Mature Teratoma
Interventions
PD-0332991
Drug
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 10, 2021 · Synced Jun 25, 2026, 8:12 AM EDT
Completed Phase 1 Interventional

Safety Study of AMG 386 to Treat HER2-positive Locally Recurrent or Metastatic Breast Cancer

NCT00807859
View directory record Official record
Conditions
Breast Cancer, Breast Neoplasms, Breast Tumors, Cancer, Locally Recurrent and Metastatic Breast Cancer, Metastases, Metastatic Cancer, Oncology, Solid Tumors, Tumors
Interventions
AMG 386 30 mg/kg, Paclitaxel and Trastuzumab, AMG 386 30 mg/kg, Capecitabine and Lapatinib, AMG 386 10 mgkg, Paclitaxel and Trastuzumab, AMG 386 10 mg/kg, Capecitabine and Lapatinib
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years and older · Female only
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
13
States / cities
Tucson, Arizona • Boca Raton, Florida • Iowa City, Iowa + 9 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2022 · Synced Jun 25, 2026, 8:12 AM EDT
Terminated Phase 2 Interventional Results available

Evaluation of Biomarkers Associated With Response to Subsequent Therapies in Subjects With HER2-Positive Metastatic Breast Cancer

NCT02213042
View directory record Official record
Conditions
Neoplasms, Breast
Interventions
Lapatinib, Trastuzumab, Aromatase Inhibitors (AIs)
Drug · Biological
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
3
States / cities
Mobile, Alabama • Boston, Massachusetts • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 12, 2021 · Synced Jun 25, 2026, 8:12 AM EDT
Completed Phase 1 Interventional

Durvalumab and Eribulin in Her2-negative Metastatic Breast Cancer and Recurrent Ovarian Cancer

NCT03430518
View directory record Official record
Conditions
HER2-Negative Metastatic Breast Cancer, Recurrent Ovarian Cancer
Interventions
Durvalumab, Eribulin
Drug
Lead sponsor
Amy Tiersten
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 4, 2020 · Synced Jun 25, 2026, 8:12 AM EDT
Completed Phase 1Phase 2 Interventional

Study of TT-00420 (Tinengotinib) Tablet as Monotherapy and Combination Therapy in Patients With Advanced Solid Tumors

NCT04742959
View directory record Official record
Conditions
Advanced Solid Tumor, Cholangiocarcinoma, HER2-negative Breast Cancer, Triple Negative Breast Cancer, Bladder Cancer, Small-cell Lung Cancer, Prostate Cancer, Thyroid Cancer, Sarcoma, Gastric Cancer, Gallbladder Cancer
Interventions
TT-00420, Nab-Paclitaxel
Drug · Combination Product
Lead sponsor
TransThera Sciences (Nanjing), Inc.
Industry
Eligibility
18 Years and older
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
6
States / cities
Duarte, California • Chicago, Illinois • New Brunswick, New Jersey + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 25, 2024 · Synced Jun 25, 2026, 8:12 AM EDT
Completed Phase 2 Interventional Results available

Lapatinib +/- Trastuzumab In Addition To Standard Neoadjuvant Breast Cancer Therapy.

NCT00524303
View directory record Official record
Conditions
Neoplasms, Breast
Interventions
Trastuzumab, Paclitaxel, FEC75, Lapatinib
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
23
States / cities
Fountain Valley, California • Los Angeles, California • Denver, Colorado + 18 more
Source: ClinicalTrials.gov public record
Updated Nov 10, 2016 · Synced Jun 25, 2026, 8:12 AM EDT
Completed Phase 1Phase 2 Interventional Results available

A Phase 1/2 Study Of HKI-272 (Neratinib) in Combination With Trastuzumab (Herceptin) In Subjects With Advanced Breast Cancer

NCT00398567
View directory record Official record
Conditions
Advanced Breast Cancer
Interventions
HKI-272, trastuzumab
Drug
Lead sponsor
Puma Biotechnology, Inc.
Industry
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2018
U.S. locations
6
States / cities
Duarte, California • Los Angeles, California • Pasadena, California + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2018 · Synced Jun 25, 2026, 8:12 AM EDT
Completed Phase 2 Interventional

Mucoadhesive Oral Wound Rinse in Preventing and Treating Stomatitis in Patients With ER- or PR-Positive Metastatic or Locally Recurrent Breast Cancer That Cannot be Removed by Surgery Receiving Everolimus

NCT02015559
View directory record Official record
Conditions
Estrogen Receptor-positive Breast Cancer, HER2-negative Breast Cancer, Oral Complications, Progesterone Receptor-positive Breast Cancer, Recurrent Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer
Interventions
mucoadhesive oral wound rinse, laboratory biomarker analysis
Drug · Other
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 20, 2020 · Synced Jun 25, 2026, 8:12 AM EDT
Active, not recruiting Phase 3 Interventional

A Study of Tucatinib or Placebo With Trastuzumab and Pertuzumab for Metastatic HER2+ Breast Cancer

NCT05132582
View directory record Official record
Conditions
HER2 Positive Breast Cancer
Interventions
Tucatinib, Trastuzumab, Pertuzumab, Combination product: Trastuzumab + Pertuzumab, Placebo
Drug
Lead sponsor
Seagen, a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years and older
Enrollment
654 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
76
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Little Rock, Arkansas + 45 more
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced Jun 25, 2026, 8:12 AM EDT
Completed Phase 2 Interventional Results available

Doxorubicin and Cyclophosphamide Followed By Trastuzumab, Paclitaxel, and Lapatinib in Treating Patients With Early-Stage HER2-Positive Breast Cancer That Has Been Removed By Surgery

NCT00436566
View directory record Official record
Conditions
Breast Cancer, Cardiac Toxicity
Interventions
trastuzumab, cyclophosphamide, doxorubicin hydrochloride, lapatinib ditosylate, paclitaxel, gene expression analysis, reverse transcriptase-polymerase chain reaction, fluorophotometry, laboratory biomarker analysis, mass spectrometry, adjuvant therapy, quality-of-life assessment
Biological · Drug · Genetic + 2 more
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 120 Years
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 4, 2022 · Synced Jun 25, 2026, 8:12 AM EDT
Completed Phase 3 Interventional Results available

A Study of Palbociclib (PD-0332991) + Letrozole vs. Letrozole For 1st Line Treatment Of Postmenopausal Women With ER+/HER2- Advanced Breast Cancer (PALOMA-2)

NCT01740427
View directory record Official record
Conditions
Breast Neoplasms
Interventions
PD-0332991, Letrozole, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Female only
Enrollment
666 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
136
States / cities
Bellflower, California • Beverly Hills, California • Fullerton, California + 83 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2024 · Synced Jun 25, 2026, 8:12 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

A Phase 1b/2 Study of T-DXd Combinations in HER2-positive Metastatic Breast Cancer

NCT04538742
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Trastuzumab deruxtecan, Durvalumab, Paclitaxel, Pertuzumab, Tucatinib
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
245 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
10
States / cities
Fort Myers, Florida • St. Petersburg, Florida • Commack, New York + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 7, 2025 · Synced Jun 25, 2026, 8:12 AM EDT
Withdrawn Phase 2 Interventional

Feasibility of Chemotherapy De-escalation in Early-Stage HER2 Positive Breast Cancer

NCT04419181
View directory record Official record
Conditions
HER2-positive Breast Cancer
Interventions
Docetaxel, Carboplatin, Trastuzumab, Pertuzumab, Trastuzumab emtansine
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Jun 25, 2026, 8:12 AM EDT
Active, not recruiting Phase 3 Interventional Results available

Randomized, Open Label, Clinical Study of the Targeted Therapy, Palbociclib, to Treat Metastatic Breast Cancer

NCT02947685
View directory record Official record
Conditions
HER-2 Positive Breast Cancer, Estrogen Receptor Positive Breast Cancer
Interventions
palbociclib, trastuzumab, pertuzumab, letrozole, Anastrozole, Exemestane, Fulvestrant
Drug
Lead sponsor
Alliance Foundation Trials, LLC.
Other
Eligibility
18 Years and older
Enrollment
518 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
35
States / cities
San Francisco, California • Washington D.C., District of Columbia • Clearwater, Florida + 30 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Jun 25, 2026, 8:12 AM EDT
Completed Phase 2 Interventional Results available

A Study of Single-Agent Eribulin Mesylate as First-Line Therapy for Locally Recurrent or Metastatic Human Epidermal Growth Factor Receptor Two (HER2) Negative Breast Cancer

NCT01268150
View directory record Official record
Conditions
Locally Recurrent, Metastatic Breast Cancer ( HER2 Negative)
Interventions
Eribulin mesylate
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
17
States / cities
Miami, Florida • Augusta, Georgia • Macon, Georgia + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 21, 2023 · Synced Jun 25, 2026, 8:12 AM EDT
Completed Phase 1 Interventional Results available

Chemokine Modulation Therapy and Standard Chemotherapy Before Surgery for the Treatment of Early Stage Triple Negative Breast Cancer

NCT04081389
View directory record Official record
Conditions
Anatomic Stage 0 Breast Cancer AJCC v8, Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage IA Breast Cancer AJCC v8, Anatomic Stage IB Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage IIA Breast Cancer AJCC v8, Anatomic Stage IIB Breast Cancer AJCC v8, Early-Stage Breast Carcinoma, Estrogen Receptor Negative, HER2/Neu Negative, Progesterone Receptor Negative, Prognostic Stage 0 Breast Cancer AJCC v8, Prognostic Stage I Breast Cancer AJCC v8, Prognostic Stage IA Breast Cancer AJCC v8, Prognostic Stage IB Breast Cancer AJCC v8, Prognostic Stage II Breast Cancer AJCC v8, Prognostic Stage IIA Breast Cancer AJCC v8, Prognostic Stage IIB Breast Cancer AJCC v8, Triple-Negative Breast Carcinoma
Interventions
Celecoxib, Cyclophosphamide, Doxorubicin, Doxorubicin Hydrochloride, Paclitaxel, Recombinant Interferon Alfa-2b, Rintatolimod
Drug · Biological
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Sep 10, 2023 · Synced Jun 25, 2026, 8:12 AM EDT
Completed Phase 2 Interventional Results available

Fulvestrant Plus Enzalutamide in ER+/Her2- Advanced Breast Cancer

NCT02953860
View directory record Official record
Conditions
Breast Cancer
Interventions
Fulvestrant with Enzalutamide
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
3
States / cities
Aurora, Colorado • Lone Tree, Colorado • Germantown, Tennessee
Source: ClinicalTrials.gov public record
Updated May 13, 2021 · Synced Jun 25, 2026, 8:12 AM EDT
Recruiting Phase 3 Interventional

A Study to Learn About the Study Medicine Called PF-07248144 in Combination With Fulvestrant in People With HR-positive, HER2-negative Advanced or Metastatic Breast Cancer Who Progressed After a Prior Line of Treatment.

NCT07062965
View directory record Official record
Conditions
Breast Cancer
Interventions
PF-07248144, Fulvestrant, Everolimus, Exemestane
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
102
States / cities
Chandler, Arizona • Gilbert, Arizona • Glendale, Arizona + 85 more
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Jun 25, 2026, 8:12 AM EDT
Terminated Phase 2 Interventional Results available

A Study of DS-8201a in Metastatic Breast Cancer Previously Treated With Trastuzumab Emtansine (T-DM1)

NCT03248492
View directory record Official record
Conditions
Breast Cancer
Interventions
DS-8201a
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
253 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
36
States / cities
Anchorage, Alaska • Tucson, Arizona • Los Angeles, California + 26 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2025 · Synced Jun 25, 2026, 8:12 AM EDT
Completed Phase 2 Interventional Results available

Lapatinib Ditosylate, Trastuzumab, Paclitaxel, and Surgery in Treating Patients With Breast Cancer

NCT01688609
View directory record Official record
Conditions
HER2-positive Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer
Interventions
lapatinib ditosylate, paclitaxel, trastuzumab, therapeutic conventional surgery, pharmacological study, laboratory biomarker analysis
Drug · Biological · Procedure + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
20 Years and older · Female only
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 10, 2017 · Synced Jun 25, 2026, 8:12 AM EDT
Active, not recruiting No phase listed Observational

Real-World Treatment Patterns and Outcomes in HER2-Altered Metastatic Breast Cancer Patients in the United States

NCT07342309
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Not listed
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
7,933 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Ridgefield, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Jun 25, 2026, 8:12 AM EDT