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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Advanced HER2 Positive Breast Carcinoma Clear all
Completed Phase 1 Interventional

Safety, Tolerability & Potential Anti-cancer Activity of Increasing Doses of AZD5363 in Different Treatment Schedules

NCT01226316
View directory record Official record
Conditions
Advanced Solid Malignancy, Safety and Tolerability, Pharmacokinetics, Pharmacodynamics, Tumour Response, Advanced or Metastatic Breast Cancer, Ovarian Cancer, Cervical Cancer, Endometrial Cancer, PIK3CA, AKT1, PTEN, ER Positive, HER2 Positive
Interventions
AZD5363
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
285 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2024
U.S. locations
12
States / cities
Los Angeles, California • Stanford, California • West Hollywood, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2025 · Synced Jun 25, 2026, 3:22 PM EDT
Terminated Phase 1Phase 2 Interventional

A First-in-human Study Using BDC-1001 as a Single Agent and in Combination With Nivolumab in Advanced HER2-Expressing Solid Tumors

NCT04278144
View directory record Official record
Conditions
HER2-positive Solid Tumors, HER2-positive Breast Cancer, HER2-positive Colorectal Cancer, HER2-positive Gastroesophageal Cancer, HER2-positive Endometrial Cancer
Interventions
BDC-1001, Nivolumab
Drug
Lead sponsor
Bolt Biotherapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
11
States / cities
Palo Alto, California • Washington D.C., District of Columbia • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2025 · Synced Jun 25, 2026, 3:22 PM EDT
No Longer Available No phase listed Expanded access

Expanded Access Study Of Palbociclib (PD-0332991) In Combination With Letrozole As Treatment Of Post-Menopausal Women With HR-Positive, Her2-Negative Advanced Breast Cancer For Whom Letrozole Therapy Is Deemed Appropriate

NCT02142868
View directory record Official record
Conditions
Advanced Breast Cancer (Female)
Interventions
Palbociclib, Letrozole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
44
States / cities
Bakersfield, California • Washington D.C., District of Columbia • Duluth, Georgia + 30 more
Source: ClinicalTrials.gov public record
Updated Dec 20, 2018 · Synced Jun 25, 2026, 3:22 PM EDT
Completed Phase 2 Interventional Results available

Trial of Exemestane +/- MM-121 in Postmenopausal Women With Locally Advanced or Metastatic Estrogen Receptor Positive and/or Progesterone Receptor Positive Her2 Negative Breast Cancer

NCT01151046
View directory record Official record
Conditions
Her2 Negative Breast Cancer Patients
Interventions
MM-121, Placebo, Exemestane
Drug
Lead sponsor
Merrimack Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
18
States / cities
Birmingham, Alabama • Glendale, Arizona • Anaheim, California + 13 more
Source: ClinicalTrials.gov public record
Updated May 11, 2016 · Synced Jun 25, 2026, 3:22 PM EDT
Completed Phase 1 Interventional

Phase 1b Study of PD-0332991 in Combination With T-DM1(Trastuzumab-DM1)

NCT01976169
View directory record Official record
Conditions
Advanced Breast Cancer
Interventions
PD-0332991 and T-DM1
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 90 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 7, 2022 · Synced Jun 25, 2026, 3:22 PM EDT
Active, not recruiting Phase 1 Interventional

DS8201a and Pembrolizumab in Participants With Locally Advanced/Metastatic Breast or Non-Small Cell Lung Cancer

NCT04042701
View directory record Official record
Conditions
Breast Cancer, Non-small Cell Lung Carcinoma
Interventions
Trastuzumab deruxtecan (DS-8201a), Pembrolizumab
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
10
States / cities
San Francisco, California • New Haven, Connecticut • Jacksonville, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2025 · Synced Jun 25, 2026, 3:22 PM EDT
Active, not recruiting Phase 2 Interventional Results available

TVB-2640 and Trastuzumab With Paclitaxel or Endocrine Therapy for Treatment of HER2 Positive Metastatic Breast Cancer

NCT03179904
View directory record Official record
Conditions
Advanced Breast Carcinoma, HER2-Positive Breast Carcinoma, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, HER2-positive Breast Cancer
Interventions
Anastrozole, Denifanstat, Exemestane, Fulvestrant, Echocardiography, Letrozole, Paclitaxel, Trastuzumab, Computed Tomography, Magnetic Resonance Imaging, Biospecimen Collection, Biopsy
Drug · Procedure · Biological
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Jun 25, 2026, 3:22 PM EDT
Completed Phase 2 Interventional Results available

Lapatinib and Bevacizumab for Metastatic Breast Cancer

NCT00444535
View directory record Official record
Conditions
Neoplasms, Breast
Interventions
lapatinib, bevacizumab
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2020
U.S. locations
9
States / cities
Tucson, Arizona • San Francisco, California • Hollywood, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 24, 2021 · Synced Jun 25, 2026, 3:22 PM EDT
Terminated Phase 1 Interventional Results available

A Study of Ipatasertib Plus Palbociclib and Fulvestrant Versus Placebo Plus Palbociclib and Fulvestrant in Hormone Receptor Positive and HER2 Negative Locally Advanced Unresectable or Metastatic Breast Cancer

NCT04060862
View directory record Official record
Conditions
Breast Cancer
Interventions
Ipatasertib, Placebo, Palbociclib, Fulvestrant
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
5
States / cities
Atlanta, Georgia • Chicago, Illinois • Boston, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2024 · Synced Jun 25, 2026, 3:22 PM EDT
Terminated Phase 1 Interventional Results available

Study of Infigratinib in Combination With Tamoxifen in Hormone Receptor Positive, HER2 Negative, FGFR Altered Advanced Breast Cancer

NCT04504331
View directory record Official record
Conditions
Breast Cancer, HER2-negative Breast Cancer, ER Positive Breast Cancer, PR-Positive Breast Cancer
Interventions
Infigratinib, Tamoxifen, Omnipaque 350, Iopamidol, Computed tomography (CT)
Drug · Diagnostic Test
Lead sponsor
Jennifer Lee Caswell-Jin
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Jun 25, 2026, 3:22 PM EDT
Active, not recruiting Phase 3 Interventional Results available

Study of Trastuzumab Deruxtecan (T-DXd) vs Investigator's Choice Chemotherapy in HER2-low, Hormone Receptor Positive, Metastatic Breast Cancer

NCT04494425
View directory record Official record
Conditions
Advanced or Metastatic Breast Cancer
Interventions
Trastuzumab deruxtecan, Capecitabine, Paclitaxel, Nab-Paclitaxel
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 105 Years
Enrollment
866 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
27
States / cities
Scottsdale, Arizona • Springdale, Arkansas • Duarte, California + 23 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Jun 25, 2026, 3:22 PM EDT
Not listed Phase 1 Interventional

Safety and Pharmacokinetic Study of MM-302 in Patients With Advanced Breast Cancer

NCT01304797
View directory record Official record
Conditions
Breast Cancer
Interventions
MM-302 Monotherapy, MM-302 in combination with trastuzumab, MM-302 in combination with trastuzumab q3w, MM-302 in combination with trastuzumab and cyclophosphamide
Drug
Lead sponsor
Merrimack Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
5
States / cities
San Francisco, California • Indianapolis, Indiana • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 5, 2017 · Synced Jun 25, 2026, 3:22 PM EDT
Active, not recruiting Phase 3 Interventional

Vepdegestrant (ARV-471/PF-07850327) + Palbociclib vs Letrozole + Palbociclib in ER(+)/HER2(-) Advanced Breast Cancer

NCT05909397
View directory record Official record
Conditions
Breast Cancer
Interventions
Vepdegestrant (ARV-471/PF-07850327), Palbociclib, Letrozole
Drug · Combination Product
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
3
States / cities
Plantation, Florida • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Jun 25, 2026, 3:22 PM EDT
Completed Phase 1Phase 2 Interventional Results available

A Study of Trastuzumab Emtansine (Trastuzumab-MCC-DM1, T-DM1) in Combination With Pertuzumab Administered to Patients With Human Epidermal Growth Factor Receptor-2 (HER2)-Positive Locally Advanced or Metastatic Breast Cancer Who Have Previously Received Trastuzumab

NCT00875979
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Trastuzumab emtansine [Kadcyla] 3.0 mg/kg, Trastuzumab emtansine [Kadcyla] 3.6 mg/kg, Pertuzumab 420 mg
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
10
States / cities
Boca Raton, Florida • Deerfield Beach, Florida • Maywood, Illinois + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 23, 2013 · Synced Jun 25, 2026, 3:22 PM EDT
Active, not recruiting Phase 2Phase 3 Interventional Results available

A Study Evaluating the Efficacy and Safety of Inavolisib + Palbociclib + Fulvestrant vs Placebo + Palbociclib + Fulvestrant in Participants With PIK3CA-Mutant, Hormone Receptor-Positive, HER2-Negative, Locally Advanced or Metastatic Breast Cancer

NCT04191499
View directory record Official record
Conditions
Breast Cancer
Interventions
Inavolisib, Placebo, Palbociclib, Fulvestrant
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
325 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
10
States / cities
Beverly Hills, California • Boston, Massachusetts • New York, New York + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Jun 25, 2026, 3:22 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

A Safety and Activity Study of SBT6050 in Combination With Other HER2-directed Therapies for HER2-positive Cancers

NCT05091528
View directory record Official record
Conditions
HER2-positive Breast Cancer, HER2-positive Gastric Cancer, HER2-positive Colorectal Cancer, HER2-expressing Non-small Cell Lung Cancer
Interventions
SBT6050, trastuzumab deruxtecan, tucatinib, trastuzumab, capecitabine
Drug
Lead sponsor
Silverback Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 17, 2022 · Synced Jun 25, 2026, 3:22 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Phase I-II Study of Interferon-gamma in Patients With HER-2 Positive Breast Cancer

NCT03112590
View directory record Official record
Conditions
Breast Cancer, Breast Cancer, Male, Breast Cancer Female, HER2-positive Breast Cancer
Interventions
Interferon-gamma (IFN-γ), Paclitaxel, Trastuzumab, Pertuzumab, Post Therapy Surgery
Biological · Drug · Other + 1 more
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Apr 18, 2023 · Synced Jun 25, 2026, 3:22 PM EDT
Completed Phase 1Phase 2 Interventional Results available

An Open-Label, Phase Ib/II Clinical Trial Of Cdk 4/6 Inhibitor, Ribociclib (Lee011), In Combination With Trastuzumab Or T-Dm1 For Advanced/Metastatic Her2-Positive Breast Cancer.

NCT02657343
View directory record Official record
Conditions
Breast Cancer
Interventions
Ribociclib, T-DM1, Trastuzumab, Fulvestrant
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 31, 2022 · Synced Jun 25, 2026, 3:22 PM EDT
Terminated Phase 2 Interventional Results available

A Phase II Study Comparing The Efficacy Of Venetoclax + Fulvestrant Vs. Fulvestrant In Women With Estrogen Receptor-Positive, Her2-Negative Locally Advanced Or Metastatic Breast Cancer Who Experienced Disease Recurrence Or Progression During Or After CDK4/6 Inhibitor Therapy

NCT03584009
View directory record Official record
Conditions
Estrogen Receptor-positive (ER+)/Human Epidermal Growth Factor Receptor (HER2)-Negative Locally Advanced or Metastatic Breast Cancer
Interventions
Venetoclax, Fulvestrant
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older · Female only
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
21
States / cities
Phoenix, Arizona • Springdale, Arkansas • La Jolla, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2022 · Synced Jun 25, 2026, 3:22 PM EDT
Completed Phase 1 Interventional

Everolimus, Letrozole and Trastuzumab in HR- and HER2/Neu-positive Patients

NCT02152943
View directory record Official record
Conditions
Advanced Malignant Solid Neoplasm, Estrogen Receptor Positive, HER2/Neu Positive, Postmenopausal, Premenopausal, Progesterone Receptor Positive, Recurrent Breast Carcinoma, Refractory Breast Carcinoma, Refractory Hormone Receptor Positive Breast Carcinoma, Stage IIIA Breast Cancer AJCC v7, Stage IIIB Breast Cancer AJCC v7, Stage IIIC Breast Cancer AJCC v7, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Everolimus, Laboratory Biomarker Analysis, Letrozole, Trastuzumab
Drug · Other · Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
5
States / cities
Houston, Texas • Nassau Bay, Texas • Sugar Land, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 18, 2020 · Synced Jun 25, 2026, 3:22 PM EDT
Terminated Phase 1 Interventional Results available

Phase I Study of Ixabepilone Plus Lapatinib With or Without Capecitabine in the Treatment of Human Epidermal Growth Factor Receptor 2 (HER2)-Positive Breast Cancer

NCT00634088
View directory record Official record
Conditions
Locally Advanced or Metastatic Breast Cancer
Interventions
Ixabepilone, 32 mg/m^2 + Lapatinib, 1000 mg, Ixabepilone, 32 mg/m^2 + Lapatinib, 1250 mg, Ixabepilone, 40 mg/m^2 + Lapatinib, 1250 mg, Ixabepilone + Lapatinib + Capecitabine
Drug
Lead sponsor
R-Pharm
Industry
Eligibility
18 Years and older · Female only
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 9, 2016 · Synced Jun 25, 2026, 3:22 PM EDT
Recruiting Phase 3 Interventional

Palazestrant in Combination With Ribociclib for the First-line Treatment of ER+/HER2- Advanced Breast Cancer

NCT07085767
View directory record Official record
Conditions
Breast Cancer, Locally Advanced Breast Cancer, Metastatic Breast Cancer, ER Positive Breast Cancer, HER2 Negative Breast Carcinoma
Interventions
Palazestrant, Letrozole-matching placebo, Ribociclib, Letrozole, Palazestrant matching-placebo
Drug
Lead sponsor
Olema Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
37
States / cities
Hot Springs, Arkansas • Beverly Hills, California • San Francisco, California + 34 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Jun 25, 2026, 3:22 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Vaccine Therapy in Treating Patients With Stage IV Breast Cancer

NCT00791037
View directory record Official record
Conditions
HER2-positive Breast Cancer, Male Breast Cancer, Recurrent Breast Cancer, Stage IV Breast Cancer
Interventions
HER-2/neu peptide vaccine, leukapheresis, ex vivo-expanded HER2-specific T cells, cyclophosphamide, sargramostim, laboratory biomarker analysis
Biological · Procedure · Drug + 1 more
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 24, 2017 · Synced Jun 25, 2026, 3:22 PM EDT
Terminated Phase 2 Interventional Results available

Phase II Study of Everolimus Beyond Progression

NCT02269670
View directory record Official record
Conditions
Estrogen Receptor-positive Breast Cancer, HER2-negative Breast Cancer, Progesterone Receptor-positive Breast Cancer, Recurrent Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer
Interventions
everolimus, anastrozole, letrozole, tamoxifen citrate, fulvestrant, megestrol acetate
Drug
Lead sponsor
Emory University
Other
Eligibility
19 Years and older · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
3
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced Jun 25, 2026, 3:22 PM EDT