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ClinicalTrials.gov public records Last synced Sep 17, 2026, 7:23 PM EDT

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Showing 1–24 of 495 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Advanced HER2+Breast Cancer Clear all
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 Aug 31, 2026 · Synced Sep 17, 2026, 7:23 PM EDT
Completed Phase 1 Interventional

A Phase I Study To Evaluate The Antitumor Activity And Safety Of AVX901

NCT01526473
View directory record Official record
Conditions
HER2+ Cancer
Interventions
AVX901
Biological
Lead sponsor
H. Kim Lyerly
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 28, 2018 · Synced Sep 17, 2026, 7:23 PM EDT
Terminated Phase 1 Interventional

A Study of SGN-CD228A in Advanced Solid Tumors

NCT04042480
View directory record Official record
Conditions
Cutaneous Melanoma, Pleural Mesothelioma, HER2 Negative Breast Neoplasms, Non-small Cell Lung Cancer, Colorectal Cancer, Pancreatic Ductal Adenocarcinoma
Interventions
SGN-CD228A
Drug
Lead sponsor
Seagen Inc.
Industry
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
10
States / cities
Birmingham, Alabama • Los Angeles, California • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2023 · Synced Sep 17, 2026, 7:23 PM EDT
Recruiting Phase 1Phase 2 Interventional

Study of GVV858 as a Single Agent or in Combination With Endocrine Therapy in Patients With HR+/HER2- Breast Cancer and Other Advanced Solid Tumors

NCT07288359
View directory record Official record
Conditions
Advanced HR+/HER2- Breast Cancer, Advanced CCNE1-amplified Solid Tumors, Metastatic Castration-resistant Prostate Cancer
Interventions
GVV858, Fulvestrant, Letrozole
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
3
States / cities
Atlanta, Georgia • Nashville, Tennessee • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 17, 2026, 7:23 PM EDT
Terminated Phase 1 Interventional

A Study of AC682 for the Treatment of Locally Advanced or Metastatic ER+ Breast Cancer

NCT05080842
View directory record Official record
Conditions
Breast Cancer
Interventions
AC682
Drug
Lead sponsor
Accutar Biotechnology Inc
Industry
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
5
States / cities
Denver, Colorado • Orlando, Florida • Sarasota, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2025 · Synced Sep 17, 2026, 7:23 PM EDT
Recruiting Phase 3 Interventional

A Study to Evaluate the Efficacy and Safety of Inavolisib in Combination With Phesgo Versus Placebo in Combination With Phesgo in Participants With PIK3CA-Mutated HER2-Positive Locally Advanced or Metastatic Breast Cancer

NCT05894239
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Inavolisib, Phesgo, Placebo, Taxane-based Chemotherapy, Optional Endocrine Therapy of Investigator's Choice
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2032
U.S. locations
20
States / cities
Gilbert, Arizona • Burbank, California • Corona, California + 17 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 17, 2026, 7:23 PM EDT
Completed Phase 2 Interventional Results available

A Study of Abemaciclib (LY2835219) in Women With HR+, HER2+ Locally Advanced or Metastatic Breast Cancer

NCT02675231
View directory record Official record
Conditions
Hormone Receptor Positive Breast Cancer, HER-2 Positive Breast Cancer
Interventions
Abemaciclib, Trastuzumab, Fulvestrant, Standard of Care Single Agent Chemotherapy
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Female only
Enrollment
237 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
32
States / cities
Bakersfield, California • Fullerton, California • Los Angeles, California + 22 more
Source: ClinicalTrials.gov public record
Updated Nov 25, 2024 · Synced Sep 17, 2026, 7:23 PM 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 14, 2026 · Synced Sep 17, 2026, 7:23 PM EDT
Active, not recruiting Phase 1 Interventional

Phase 1b Study of OP-1250 (Palazestrant) in Combination With Ribociclib, Alpelisib, Everolimus, or Atirmociclib in ER+, HER2- Breast Cancer

NCT05508906
View directory record Official record
Conditions
Metastatic Breast Cancer, ER-positive Breast Cancer, HER2-negative Breast Cancer, Breast Cancer, Locally Advanced Breast Cancer
Interventions
Palazestrant, Ribociclib, Alpelisib, Everolimus, Atirmociclib
Drug
Lead sponsor
Olema Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
14
States / cities
Gilbert, Arizona • San Francisco, California • Aurora, Colorado + 11 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Sep 17, 2026, 7:23 PM EDT
Completed Phase 2 Interventional Results available

Phase II Trial of Talazoparib in BRCA1/2 Wild-type HER2-negative Breast Cancer and Other Solid Tumors

NCT02401347
View directory record Official record
Conditions
Advanced Breast Cancer, HER2/Neu Negative, Triple-Negative Breast Cancer
Interventions
Talazoparib Tosylate
Drug
Lead sponsor
Melinda Telli
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Sep 17, 2026, 7:23 PM EDT
Terminated Phase 2 Interventional

Tesetaxel Plus 3 Different PD-(L)1 Inhibitors in Patients With Triple-Negative MBC and Tesetaxel Monotherapy in Patients With HER2-Negative MBC

NCT03952325
View directory record Official record
Conditions
Breast Cancer
Interventions
Tesetaxel, Nivolumab, Pembrolizumab, Atezolizumab
Drug
Lead sponsor
Odonate Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
294 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
9
States / cities
Fort Myers, Florida • St. Petersburg, Florida • Tallahassee, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2021 · Synced Sep 17, 2026, 7:23 PM EDT
Completed Phase 1 Interventional Results available

Study of Cirmtuzumab and Paclitaxel for Metastatic or Locally Advanced, Unresectable Breast Cancer

NCT02776917
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Cirmtuzumab + Paclitaxel
Drug
Lead sponsor
Barbara Parker, MD
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Sep 17, 2026, 7:23 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Testing the Addition of an Anti-cancer Drug, Copanlisib, to the Usual Maintenance Treatment (Trastuzumab and Pertuzumab) After Initial Chemotherapy in a Phase Ib/II Trial for Advanced HER2 Positive Breast Cancer

NCT04108858
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, HER2-Positive Breast Carcinoma, Metastatic Breast Carcinoma
Interventions
Copanlisib, Pertuzumab, Trastuzumab
Drug · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
5
States / cities
Los Angeles, California • Aurora, Colorado • Oklahoma City, Oklahoma + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Sep 17, 2026, 7:23 PM EDT
Recruiting Phase 1Phase 2 Interventional

Study of AMXT 1501 and DFMO in Combination With Standard Therapies in Advanced Solid Tumors

NCT07287917
View directory record Official record
Conditions
Melanoma (Skin Cancer), HER2-low Hormone Receptor Positive Breast Cancer
Interventions
AMXT 1501 Dicaprate, DFMO, Fulvestrant, Capivasertib, Pembrolizumab
Drug
Lead sponsor
Aminex Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
20
States / cities
Tucson, Arizona • La Jolla, California • Los Angeles, California + 15 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 17, 2026, 7:23 PM EDT
Completed Phase 2 Interventional Results available

A Phase II Study of Everolimus in Combination With Exemestane Versus Everolimus Alone Versus Capecitabine in Advance Breast Cancer.

NCT01783444
View directory record Official record
Conditions
Breast Cancer
Interventions
Capecitabine, Exemestane, Everolimus
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
309 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
19
States / cities
Los Angeles, California • San Diego, California • Fort Myers, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Feb 25, 2021 · Synced Sep 17, 2026, 7:23 PM EDT
Completed Phase 2 Interventional Results available

Study Of SU011248 Versus Chemotherapy For Patients With Previously Treated Triple Receptor Negative Breast Cancer

NCT00246571
View directory record Official record
Conditions
Breast Neoplasms
Interventions
SU011248, Chemotherapy
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
77
States / cities
Corona, California • Fullerton, California • Glendora, California + 59 more
Source: ClinicalTrials.gov public record
Updated Jul 11, 2012 · Synced Sep 17, 2026, 7:23 PM EDT
Completed Phase 1 Interventional

A Study To Assess The Tolerability And Clinical Activity Of Gedatolisib In Combination With Palbociclib/Letrozole Or Palbociclib/Fulvestrant In Women With Metastatic Breast Cancer

NCT02684032
View directory record Official record
Conditions
Breast Cancer
Interventions
Gedatolisib, Palbociclib, Letrozole, Fulvestrant
Drug
Lead sponsor
Celcuity Inc
Industry
Eligibility
18 Years and older · Female only
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
41
States / cities
Birmingham, Alabama • Corona, California • Fountain Valley, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jul 26, 2022 · Synced Sep 17, 2026, 7:23 PM EDT
Terminated Phase 2 Interventional Results available

Trastuzumab and Vinorelbine in Advanced Breast Cancer

NCT01185509
View directory record Official record
Conditions
Breast Cancer, Metastatic Breast Cancer
Interventions
trastuzumab, vinorelbine
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2018
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 22, 2019 · Synced Sep 17, 2026, 7:23 PM EDT
Completed Phase 1 Interventional

G1T48, an Oral SERD, Alone and in Combination With Palbociclib in ER-Positive, HER2-Negative Advanced Breast Cancer

NCT03455270
View directory record Official record
Conditions
Carcinoma, Ductal, Breast, Breast Cancer Female, Breast Neoplasm, Breast Cancer, Metastatic Breast Cancer, Advanced Breast Cancer, Stage IV Breast Cancer
Interventions
G1T48, Palbociclib
Drug
Lead sponsor
G1 Therapeutics, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
6
States / cities
Beverly Hills, California • Stanford, California • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 14, 2022 · Synced Sep 17, 2026, 7:23 PM EDT
Recruiting Phase 2 Interventional

Targeted Therapy Directed by Genetic Testing in Treating Patients With Locally Advanced or Advanced Solid Tumors, The ComboMATCH Screening Trial

NCT05564377
View directory record Official record
Conditions
Advanced Malignant Solid Neoplasm, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, Locally Advanced Malignant Solid Neoplasm, Malignant Female Reproductive System Neoplasm, Metastatic HER2-Negative Breast Carcinoma, Metastatic Malignant Solid Neoplasm, Recurrent Endometrial Carcinoma, Recurrent Fallopian Tube Carcinoma, Recurrent Malignant Female Reproductive System Neoplasm, Recurrent Malignant Solid Neoplasm, Recurrent Ovarian Carcinoma, Recurrent Primary Peritoneal Carcinoma, Unresectable HER2-Negative Breast Carcinoma, Unresectable Malignant Solid Neoplasm
Interventions
Alpelisib, Binimetinib, Biopsy Procedure, Biospecimen Collection, Bone Marrow Aspiration, Bone Marrow Biopsy, Bone Scan, Computed Tomography, Echocardiography Test, Fluorouracil, Fulvestrant, Ipatasertib, Leucovorin, Magnetic Resonance Imaging, Multigated Acquisition Scan, Mutation Carrier Screening, Neratinib Maleate, Nilotinib Hydrochloride Monohydrate, Olaparib, Oxaliplatin, Paclitaxel, Palbociclib, Panitumumab, Positron Emission Tomography, Selumetinib Sulfate, Sotorasib
Drug · Procedure · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
2,900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
478
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 354 more
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Sep 17, 2026, 7:23 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

A Study to Learn About the Study Medicine (Called PF-07220060 in Combination With PF-07104091) In Participants With Breast Cancer and Solid Tumors

NCT05262400
View directory record Official record
Conditions
Breast Cancer, Solid Tumors
Interventions
PF-07220060 + PF-07104091 combination dose escalation, PF-07104091 + PF-07220060 + fulvestrant dose expansion, PF-07104091 + PF-07220060 + letrozole dose expansion
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
235 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
12
States / cities
Los Angeles, California • Santa Monica, California • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 13, 2026 · Synced Sep 17, 2026, 7:23 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 Sep 17, 2026, 7:23 PM EDT
Completed Phase 1 Interventional

A First-in-Human Study of D-0502 Alone and in Combination With Palbociclib in Women With Advanced or Metastatic ER-Positive and HER2-Negative Breast Cancer

NCT03471663
View directory record Official record
Conditions
Breast Cancer
Interventions
D-0502, palbociclib
Drug
Lead sponsor
InventisBio Co., Ltd
Industry
Eligibility
18 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
11
States / cities
Fresno, California • Aurora, Colorado • New Haven, Connecticut + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 7, 2024 · Synced Sep 17, 2026, 7:23 PM EDT
Recruiting Phase 1 Interventional

Leflunomide in Patients With PTEN-Altered Advanced Solid Malignancies and HER2 Negative Breast Cancer

NCT04997993
View directory record Official record
Conditions
PTEN-Altered Advanced Solid Tumors and HER2 Negative Breast Cancer
Interventions
Leflunomide
Drug
Lead sponsor
Deborah Doroshow
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Sep 17, 2026, 7:23 PM EDT