Advanced Breast Cancer

85

Review clinical trials related to Advanced Breast Cancer. Use filters to narrow results by trial status, phase, treatment, biological sex and sponsor.

Condition / disease
Location
Status: Recruiting

Real-world Study of Pyrotinib-containing Regimens of Advanced HER2-positive Breast Cancer

Given that pyrotinib has been proven to exert significant efficacy against HER2-positive advanced breast cancer in multiple Phase III studies, and the novel ADC drug disitamab vedotin has demonstrated potent anti-tumor activity, there remains insufficient real-world data on their sequential administration. This multicenter, prospective real-world study plans to enroll 500 patients with HER2-positive advanced breast cancer receiving first-line or second-line treatment. It aims to evaluate the efficacy and safety of sequential disitamab vedotin treatment after disease progression or intolerance to pyrotinib-based regimens (first-line: pyrotinib plus trastuzumab combined with chemotherapy; second-line: pyrotinib plus capecitabine). The primary endpoint is real-world second progression-free survival (rwPFS2), while secondary endpoints cover real-world progression-free survival (rwPFS), tumor response, overall survival (OS), time to treatment failure, safety profiles and patient-reported outcomes. It is currently expected to further validate the efficacy and safety of pyrotinib in patients with advanced HER2-positive breast cancer in the real-world setting, and to evaluate the efficacy and safety of recindopril trastuzumab following pyrotinib-containing regimens.

Participants needed: 500
Trial details
Phase: Phase 4Age: 18+Biological sex: AllType: InterventionalSponsor: Peking University People's HospitalUpdated: Jul 13, 2026Locations: 1
Eligibility criteria

Aged ≥ 18 years old; [+3]

Failure to sign the informed consent form; [+3]

Status: Recruiting

Study to Evaluate the Safety and Tolerability of Camizestrant in Combination With Atirmociclib in Women With Advanced Breast Cancer

A study to investigate camizestrant in combination with atirmociclib in participants with estrogen receptor (ER)-positive, human epidermal growth factor receptor 2 (HER2)-negative advanced breast cancer previously treated with a cyclin dependent kinase 4/6 (CDK4/6) inhibitor.

Participants needed: 24
Trial details
Phase: Phase 2Age: 18+Biological sex: FemaleType: InterventionalSponsor: AstraZenecaUpdated: Jul 13, 2026Locations: 6
Eligibility criteria

Participants with advanced adenocarcinoma of the breast and must have received p... [+9]

A participant who has received 2 or more lines of CDK4/6 inhibitors in the advan... [+8]

Status: Recruiting

A Phase 1 Study of BMS-986500 as Monotherapy or Combination Therapy in Advanced Solid Tumors

The purpose of this study is to assess BMS-986500 as monotherapy in advanced solid tumors and as combination therapy in CDK4/6 inhibitor pre-treated advanced breast cancer.

Participants needed: 234
Trial details
Phase: Phase 1Age: 18+Biological sex: AllType: InterventionalSponsor: Bristol-Myers SquibbUpdated: Jul 2, 2026Locations: 21
Eligibility criteria

Participants must be ≥ 18 years of age. [+4]

Participants must not have an active brain metastasis. [+4]

Status: Recruiting

Metarrestin (ML-246) in Subjects With Metastatic Solid Tumors

Background: Metastasis is the spread of cancer from one organ to a nonadjacent organ. It causes 90% of cancer deaths. No treatment specifically prevents or reduces metastasis. Researchers hope a new drug can help. It stops cancer cells from growing and spreading further and possibly shrink cancer lesions in distant organs. Objective: To find a safe dose of metarrestin and to see if this dose shrinks tumors. Eligibility: Adults age 18 and older with pancreatic cancer, breast cancer, or a solid tumor that has not been cured by standard therapies. Also, children age 12-17 with a solid tumor (other than a muscle tumor) with no standard therapy options. Design: Participants will be screened with: * blood tests * physical exam * documentation of disease confirmation or tumor biopsy * electrocardiogram to evaluate the heart * review of their medicines and their ability to do their normal activities Participants will take metarrestin by mouth until they cannot tolerate it or stop to benefit from it. They will keep a medicine diary. Participants will visit the Clinical Center. During the first month there are two brief hospital stays required with visits weekly or every other week thereafter. They will repeat some of the screening tests. They will fill out questionnaires. They will have tests of their cognitive function. They will have an electroencephalogram to record brain activity. They will have a computed tomography (CT) scan or magnetic resonance imaging (MRI). A CT is a series of X-rays of the body. An MRI uses magnets and radio waves to take pictures of the body. Adult participants may have tumor biopsies. Participants will have a follow-up visit 30 days after treatment ends. Then they will have follow-up phone calls or emails every 6 months for the rest of their life or until the study ends. ...

Participants needed: 116
Trial details
Phase: Phase 1Age: 12-120Biological sex: AllType: InterventionalSponsor: National Cancer Institute (NCI)Updated: Jul 2, 2026Locations: 2
Eligibility criteria

histologically or cytologically confirmed solid tumors (Phase IA). [+22]

minor surgical procedure (such as biliary stenting) within 14 days. Note: if liv... [+22]

Status: Recruiting

Study of RGT-490 in Patients With PIK3CA-Mutated Advanced Solid Tumors

This is a phase 1/1b, open-label, multicenter study consisting of sequential parts designed to evaluate the safety, tolerability, and effects pharmacokinetic (PK) profile, and antitumor activity of RGT-490, an investigational oral therapy, in adults with locally advanced or metastatic solid tumors including breast cancer. Participants enrolled in the study have advanced disease that is not amendable to curative treatment and whose tumors harbor alterations in the PI3KCA gene.

Participants needed: 63
Trial details
Phase: Phase 1Age: 18+Biological sex: AllType: InterventionalSponsor: Regor Pharmaceuticals Inc.Updated: Jul 2, 2026Locations: 5
Eligibility criteria

Adults with metastatic or locally advanced, unresectable solid tumors that have... [+4]

Diabetes mellitus requiring anti-hyperglycemic medication. [+5]

Status: Not yet recruiting

Timing of ctDNA Testing in HR+/HER2- Advanced Breast Cancer

This multicenter, prospective observational cohort study aims to investigate the impact of ctDNA level and key actionable gene mutation status on prognosis and treatment response in patients with advanced HR+/HER2- breast cancer.

Participants needed: 400
Trial details
Age: 18+Biological sex: AllType: ObservationalSponsor: Geneplus-Beijing Co. Ltd.Updated: Jul 2, 2026Locations: 1
Eligibility criteria

Histologically confirmed advanced breast cancer, molecular subtype HR+/HER2- [+3]

The subject has not signed the informed consent form. [+2]

Status: Recruiting

Saruparib (AZD5305) Plus Camizestrant Compared With CDK4/6 Inhibitor Plus Endocrine Therapy or Plus Camizestrant in HR-Positive, HER2-Negative (IHC 0, 1+, 2+/ ISH Non-amplified), BRCA1, BRCA2, or PALB2m Advanced Breast Cancer

The primary objective of the study is to measure efficacy of saruparib (AZD5305) plus camizestrant compared with physician's choice CDK4/6i plus ET in patients with BRCA1, BRCA2, or PALB2m, HR-positive, HER2-negative (defined as IHC 0, 1+, 2+/ ISH non-amplified) advanced breast cancer

Participants needed: 500
Trial details
Phase: Phase 3Age: 18+Biological sex: AllType: InterventionalSponsor: AstraZenecaUpdated: Jun 29, 2026Locations: 301
Eligibility criteria

Adult females, pre/peri-menopausal and/or post-menopausal, and adult males [+6]

Participants with history of MDS/AML or with features suggestive of MDS/AML [+26]

Status: Recruiting

Phase 1/2 Study of ETX-636 in Participants With Advanced Solid Tumors

Phase 1/2, open-label study of ETX-636 in participants with advanced solid tumors

Participants needed: 233
Trial details
Phase: Phase 1, Phase 2Age: 18+Biological sex: AllType: InterventionalSponsor: Ensem TherapeuticsUpdated: Jun 23, 2026Locations: 15
Eligibility criteria

Metastatic or locally advanced and unresectable solid tumor that has progressed... [+4]

Has history (within ≤2 years before screening) of a solid tumor or hematological... [+5]

Status: Recruiting

Decision Support Tool for Patients With Advanced Breast Cancer

The goal of this pilot study is to understand and improve the shared decision-making process between people with advanced breast cancer and their providers regarding their care and treatment. As part of this study, the researchers will evaluate a decision support tool called COAST that was designed to support patients and providers in having meaningful conversations. The main questions it aims to answer are: 1. Can the COAST tool improve the quality of communication between patients and their oncology providers? 2. Is the COAST tool acceptable, appropriate, and easy to use at NYP-Weill Cornell Medicine, NYP-Brooklyn Methodist Hospital and NYP-Queens? Participants will be asked to fill out two surveys: one before they use the COAST tool and another about 2 - 4 weeks later. Some patients will also be invited for an interview.

Participants needed: 100
Trial details
Age: 18+Biological sex: AllType: InterventionalSponsor: Weill Medical College of Cornell UniversityUpdated: Jun 22, 2026Locations: 3
Eligibility criteria

Male or female 18 years and older [+2]

Early breast cancer [+1]

Status: Recruiting

Open-Label Study of BBO-10203 in Subjects With Advanced Solid Tumors

First in human study to evaluate the safety, tolerability, and pharmacokinetics (PK) of BBO-10203, a PI3Kα:RAS breaker, alone and in combination with other anti-cancer agents in patients with advanced solid tumors.

Participants needed: 392
Trial details
Phase: Phase 1Age: 18+Biological sex: AllType: InterventionalSponsor: TheRas, Inc., d/b/a BBOT (BridgeBio Oncology Therapeutics)Updated: Jun 23, 2026Locations: 40
Eligibility criteria

Locally advanced and unresectable or metastatic HER2-positive advanced breast ca... [+9]

Patients with KRAS mutant aCRC who have KRAS G12R mutation, BRAFV600E mutation,... [+2]

Status: Recruiting

A Clinical Study of SYS6023 Combination Therapy for Advanced Breast Cancer

This is an open-label, multicenter Phase II clinical study conducted in subjects with advanced breast cancer.

Participants needed: 36
Trial details
Phase: Phase 2Age: 18+Biological sex: AllType: InterventionalSponsor: CSPC Megalith Biopharmaceutical Co.,Ltd.Updated: Jun 16, 2026Locations: 1
Eligibility criteria

1. Age ≥ 18 years old; [+8]

1. Prior treatment with HER3-targeted ADC therapy; [+24]

Status: Recruiting

Study to Evaluate the Safety and Tolerability of Camizestrant in Combination With Atirmociclib in Women With Advanced Breast Cancer

A study to investigate camizestrant in combination with atirmociclib in participants with estrogen receptor (ER)-positive, human epidermal growth factor receptor 2 (HER2)-negative advanced breast cancer previously treated with a cyclin dependent kinase 4/6 (CDK4/6) inhibitor.

Participants needed: 24
Trial details
Phase: Phase 2Age: 18+Biological sex: FemaleType: InterventionalSponsor: AstraZenecaUpdated: Jun 16, 2026Locations: 6
Eligibility criteria

Participants with advanced adenocarcinoma of the breast and must have received p... [+9]

A participant who has received 2 or more lines of CDK4/6 inhibitors in the advan... [+8]

Status: Recruiting

Phase 3 Study of RLY-2608 + Fulvestrant vs Capivasertib + Fulvestrant as Treatment for Locally Advanced or Metastatic PIK3CA-mutant HR+/HER2- Breast Cancer

This is a global, multicenter, open-label, randomized Phase 3 study comparing the efficacy and safety of RLY-2608 + fulvestrant to capivasertib + fulvestrant for the treatment of patients with HR+/HER2- ABC with PIK3CA mutation following recurrence or progression on or after treatment with a CDK4/6 inhibitor.

Participants needed: 540
Trial details
Phase: Phase 3Age: 18+Biological sex: AllType: InterventionalSponsor: Relay Therapeutics, Inc.Updated: Jun 11, 2026Locations: 192
Eligibility criteria

Patient has ECOG performance status of 0-1 [+8]

CDK2 or selective CDK4 inhibitors or any investigational therapies targeting cyc... [+10]

Status: Not yet recruiting

Exploratory Study of SHR-A1811 Via Different Administration Routes in Patients

An Exploratory Study on the Efficacy and Safety of Different Administration Routes of SHR-A1811 in the Treatment of HER2-Positive Advanced Breast Cancer

Participants needed: 60
Trial details
Phase: Phase 2Age: 18+Biological sex: AllType: InterventionalSponsor: Tianjin Medical University Cancer Institute and HospitalUpdated: Jun 11, 2026Locations: 1
Eligibility criteria

Aged ≥ 18 years old. [+6]

Prior treatment with anti-HER2 antibody-drug conjugates (ADC). [+13]

Status: Recruiting

A First-in-Human Study of MEN2312 in Adults With Advanced Breast Cancer

This is a first-in-human study of MEN2312, a lysine acetyltransferase 6 (KAT6) inhibitor, in adult participants with advanced breast cancer.

Participants needed: 240
Trial details
Phase: Phase 1Age: 18+Biological sex: AllType: InterventionalSponsor: Stemline Therapeutics, Inc.Updated: Jun 11, 2026Locations: 42
Eligibility criteria

Participant has advanced (locoregionally recurrent or metastatic) breast cancer... [+3]

Active or newly diagnosed central nervous system metastases. [+2]

Status: Recruiting

A Prospective, Multicenter, Observational Cohort Study Assessing the Efficacy and Safety of Radiotherapy-sensitized Immunotherapy in Advanced Breast Cancer

A prospective, multicenter, observational cohort study assessing the efficacy and safety of radiotherapy-sensitized immunotherapy in advanced breast cancer.

Participants needed: 150
Trial details
Age: 18+Biological sex: AllType: ObservationalSponsor: Cancer Institute and Hospital, Chinese Academy of Medical SciencesUpdated: Jun 9, 2026Locations: 1Duration: 2 Years
Eligibility criteria

Men or women who are 18 years of age or older on the day of signing the informed... [+5]

Subjects with brain metastases or leptomeningeal metastases; if there are any su... [+3]

Status: Recruiting

A Trial to Evaluate Ovarian Suppression Following Subcutaneous ZOLADEX 10.8 mg in Premenopausal Women With HR+, HER2- Advanced Breast Cancer

The primary objective of this trial is to evaluate ovarian suppression following treatment with ZOLADEX 10.8 mg by luteinizing hormone (LH).

Participants needed: 88
Trial details
Phase: Phase 1Age: 18-55Biological sex: FemaleType: InterventionalSponsor: TerSera Therapeutics LLCUpdated: Jun 3, 2026Locations: 11
Eligibility criteria

Gonadotropin-releasing Hormone (GnRH) treatment-naïve: Female participants aged... [+16]

Postmenopausal: Naturally or surgically postmenopausal (regardless of age). [+28]

Status: Not yet recruiting

Efficacy and Safety of Trastuzumab Rezetecan or Trastuzumab Deruxtecan in Advanced Breast Cancer

This study is a prospective, open-label, multicenter, randomized, parallel Phase II clinical trial. This study aims to investigate the efficacy and safety of trastuzumab rezetecan or trastuzumab deruxtecan in HER2 positive advanced/metastastic breast cancer

Participants needed: 100
Trial details
Phase: Phase 2Age: 18-75Biological sex: FemaleType: InterventionalSponsor: Sun Yat-Sen Memorial Hospital of Sun Yat-Sen UniversityUpdated: Jun 5, 2026Locations: 1
Eligibility criteria

Female patients aged ≥18 and ≤75 years. [+7]

Patients with known untreated spinal cord compression or active central nervous... [+12]

Status: Recruiting

Safety and Efficacy of T-DXd vs. CDK4/6i-based ET as First-line Therapy of HR-positive and HER2-low/Ultralow Advanced Breast Cancer Patients Classified as Non-luminal Subtype

This trial studies a type of advanced breast cancer defined as hormone receptor HR-positive/HER2-negative and classified as non-luminal by gene expression profiling (PAM50). Patients will be treated with trastuzumab deruxtecan (T-DXd) or with physician's choice of CDK4/6 inhibitor (CDK4/6i) plus endocrine therapy (ET). The main purpose of the study is to analyze the efficacy of T-DXd in patients who have HR-positive and HER2-low/ultralow advanced breast cancer classified as non-luminal subtype.

Participants needed: 200
Trial details
Phase: Phase 2Age: 18+Biological sex: AllType: InterventionalSponsor: MedSIRUpdated: Jun 2, 2026Locations: 72
Eligibility criteria

Patients must be capable to understand the purpose of the study and have signed... [+22]

Current participation in another therapeutic clinical trial, except other transl... [+30]

Status: Not yet recruiting

Trastuzumab Deruxtecan and Lovastatin in HER2-low and Ultralow Advanced or Metastatic Breast Cancer

The purpose of this study is to evaluate use of lovastatin, a drug that may lower CAV-1 levels, in order to increase HER2 expression on cells and enhance the uptake and efficacy of trastuzumab deruxtecan (T-DXd) in HER2-low and ultralow advanced metastatic breast cancer. Trastuzumab deruxtecan (T-DXd) is an FDA approved antibody drug conjugate for HER2-low and ultralow breast cancer and lovastatin is a cholesterol lowering agent.

Participants needed: 60
Trial details
Phase: Phase 2Age: 18+Biological sex: AllType: InterventionalSponsor: Washington University School of MedicineUpdated: Jun 2, 2026Locations: 1
Eligibility criteria

Histologically or cytologically confirmed HER2 low (IHC 1+ or 2+ with negative i... [+14]

Prior treatment with T-DXd or other topoisomerase I ADC including sacituzumab go... [+17]

Status: Not yet recruiting

A Phase II Study of Zongertinib Plus Fulvestrant in Participants With HR-positive/HER2-negative Advanced Breast Cancer Harboring HER2 Mutations.

An international, multicenter, two-stage optimal Simon's design, single-arm phase II clinical trial to evaluate zongertinib plus fulvestrant combination therapy in participants with hormone receptor-positive/HER2-negative advanced breast cancer harboring HER2 mutations.

Participants needed: 25
Trial details
Phase: Phase 2Age: 18+Biological sex: AllType: InterventionalSponsor: MedSIRUpdated: Jun 1, 2026
Eligibility criteria

Participant, or legal representative (if applicable), must be capable to underst... [+16]

Participation in another clinical trial, interventional or observational, until... [+25]

Status: Recruiting

BGB-43395 Alone or as Part of Combination Therapies in Participants With Breast Cancer and Other Advanced Solid Tumors

This is a dose escalation and dose expansion study to compare how well BGB-43395, a selective cyclin-dependent kinase 4 (CDK4) inhibitor, works as monotherapy or in combination with fulvestrant, letrozole, or elacestrant in participants with hormone receptor positive (HR+) and human epidermal growth factor 2 negative (HER2-) breast cancer (BC) and other advanced solid tumors. The main purpose of this study is to explore the recommended dosing for BGB-43395.

Participants needed: 399
Trial details
Phase: Phase 1Age: 18+Biological sex: AllType: InterventionalSponsor: BeOne MedicinesUpdated: May 27, 2026Locations: 63
Eligibility criteria

Phase 1a (Dose Escalation): Participants with histologically or cytologically co... [+6]

Known leptomeningeal disease or uncontrolled, untreated brain metastases. [+6]

Status: Not yet recruiting

Metronomic Oral Paclitaxel Monotherapy and Combined Immunotherapy for Advanced HER2-Negative Breast Cancer: A Two-Stage Dose Exploration and Expansion Trial

The goal of this clinical trial is to learn if oral paclitaxel solution (metronomic scheduling) works to treat advanced HER2-negative breast cancer in adults. It will also learn about the safety of oral paclitaxel solution alone and combined with toripalimab. The main questions it aims to answer are: What is the optimal tolerated dose (OTD) of metronomic oral paclitaxel solution? Does metronomic oral paclitaxel plus toripalimab improve progression-free survival (PFS)? What medical problems do participants have when taking the study treatments? Researchers will evaluate metronomic oral paclitaxel alone (dose-finding) and metronomic oral paclitaxel plus toripalimab (expansion cohort) to see if the regimens work to treat advanced HER2-negative breast cancer. Participants will: Receive metronomic oral paclitaxel solution (one of two dose levels) once daily or three times weekly After OTD is determined, receive metronomic oral paclitaxel plus toripalimab every 3 weeks Visit the clinic regularly for safety checks, blood tests, and tumor imaging Keep records of treatment compliance and health-related quality of life

Participants needed: 44
Trial details
Phase: Phase 2Age: 18+Biological sex: AllType: InterventionalSponsor: Zhejiang Cancer HospitalUpdated: May 22, 2026
Eligibility criteria

Line of therapy is defined as a systemic treatment regimen for recurrent or meta... [+12]

Patients with suspected major infectious diseases, neurological disorders, or in... [+17]

Status: Not yet recruiting

Real-world Study of Pyrotinib-containing Regimens of Advanced HER2-positive Breast Cancer

Given that pyrotinib has been proven to exert significant efficacy against HER2-positive advanced breast cancer in multiple Phase III studies, and the novel ADC drug disitamab vedotin has demonstrated potent anti-tumor activity, there remains insufficient real-world data on their sequential administration. This multicenter, prospective real-world study plans to enroll 500 patients with HER2-positive advanced breast cancer receiving first-line or second-line treatment. It aims to evaluate the efficacy and safety of sequential disitamab vedotin treatment after disease progression or intolerance to pyrotinib-based regimens (first-line: pyrotinib plus trastuzumab combined with chemotherapy; second-line: pyrotinib plus capecitabine). The primary endpoint is real-world second progression-free survival (rwPFS2), while secondary endpoints cover real-world progression-free survival (rwPFS), tumor response, overall survival (OS), time to treatment failure, safety profiles and patient-reported outcomes. It is currently expected to further validate the efficacy and safety of pyrotinib in patients with advanced HER2-positive breast cancer in the real-world setting, and to evaluate the efficacy and safety of recindopril trastuzumab following pyrotinib-containing regimens.

Participants needed: 500
Trial details
Phase: Phase 4Age: 18+Biological sex: AllType: InterventionalSponsor: Peking University People's HospitalUpdated: May 20, 2026
Eligibility criteria

Aged ≥ 18 years old; [+3]

Failure to sign the informed consent form; [+3]

Status: Recruiting

RC48-ADC in HER2-low Advanced Breast Cancer

To evaluate the efficacy and safety of Disitamab vedotin (RC48-ADC) as salvage treatment in patients with HER2-low advanced breast cancer who have received up to one previous chemotherapy for recurrent or metastatic disease without previous use of antibody-drug conjugate.

Participants needed: 36
Trial details
Age: 18+Biological sex: FemaleType: InterventionalSponsor: RenJi HospitalUpdated: May 13, 2026Locations: 1
Eligibility criteria

Female patients aged ≥18 years [+9]

History of thromboembolic events [+4]