Phase 3 Breast Clinical Trials
264 recruitingPhase 3
What is a Phase 3 trial?
Phase 3 trials compare the new treatment against the current standard of care in large groups, often hundreds to thousands of participants. Successful Phase 3 results are typically required for regulatory approval.
Showing 1–20 of 264 trials
Recruiting
Phase 3
BGB-43395 Plus Letrozole Versus CDK4/6i Plus Letrozole for Patients With Advanced or Metastatic HR+/HER2- Breast Cancer Who Have Not Received Prior Treatment for Advanced or Metastatic Disease
HR+/HER2- Breast Cancer
BeOne Medicines1,056 enrolled13 locationsNCT07492641
Recruiting
Phase 3
Testing Whether Hormone Therapy With Ribociclib is as Effective as Chemotherapy Followed by Hormone Therapy With Ribociclib for the Treatment of High Anatomic Stage Breast Cancer With Low Recurrence Risk, The RxFINE-Low Trial
Estrogen Receptor-Positive Breast CarcinomaHER2-Negative Breast CarcinomaAnatomic Stage II Breast Cancer AJCC v8+2 more
National Cancer Institute (NCI)1,978 enrolled19 locationsNCT07391774
Recruiting
Phase 3
Adding an Immunotherapy Drug, MEDI4736 (Durvalumab), to the Usual Chemotherapy Treatment (Paclitaxel, Cyclophosphamide, and Doxorubicin) for Stage II-III Breast Cancer
HER2-Negative Breast CarcinomaAnatomic Stage II Breast Cancer AJCC v8Anatomic Stage III Breast Cancer AJCC v8+1 more
National Cancer Institute (NCI)3,680 enrolled541 locationsNCT06058377
Recruiting
Phase 3
Palazestrant in Combination With Ribociclib for the First-line Treatment of ER+/HER2- Advanced Breast Cancer
Breast CancerMetastatic Breast CancerHER2-Negative Breast Carcinoma+2 more
Olema Pharmaceuticals, Inc.1,000 enrolled150 locationsNCT07085767
Recruiting
Phase 3
A Clinical Study of Patritumab Deruxtecan to Treat Breast Cancer (MK-1022-016)
Breast Neoplasms
Merck Sharp & Dohme LLC1,000 enrolled183 locationsNCT07060807
Recruiting
Phase 3
Two Versus One Week Breast Radiotherapy (RT)
Breast Cancer
Weill Medical College of Cornell University400 enrolled3 locationsNCT06960707
Recruiting
Phase 3
Trastuzumab Deruxtecan (T-DXd) in Patients Who Have Hormone Receptor-negative and Hormone Receptor-positive HER2-low or HER2 IHC 0 Metastatic Breast Cancer
Breast Cancer
Daiichi Sankyo250 enrolled88 locationsNCT05950945
Recruiting
Phase 3
A Clinical Study of Sacituzumab Tirumotecan (Sac-TMT, MK-2870) in People With Breast Cancer (MK-2870-032)
Breast NeoplasmsTriple Negative Breast NeoplasmsHR Low-Positive/HER2-Negative Breast Neoplasms
Merck Sharp & Dohme LLC2,400 enrolled296 locationsNCT06966700
Recruiting
Phase 3
A Study of Sacituzumab Tirumotecan (Sac-TMT, MK-2870) as Monotherapy and in Combination With Pembrolizumab (MK-3475) in Participants With Triple-Negative Breast Cancer (MK-2870-011/TroFuse-011)
Triple Negative Breast Neoplasms
Merck Sharp & Dohme LLC1,000 enrolled261 locationsNCT06841354
Recruiting
Phase 3
Phase 3 Study of RLY-2608 + Fulvestrant vs Capivasertib + Fulvestrant as Treatment for Locally Advanced or Metastatic PIK3CA-mutant HR+/HER2- Breast Cancer
Breast CancerMetastatic Breast CancerHER2-negative Breast Cancer+3 more
Relay Therapeutics, Inc.540 enrolled192 locationsNCT06982521
Recruiting
Phase 3
Metformin for the Treatment of Insulin Resistance in Women With Stage I-III Breast Cancer Completing Chemotherapy
Anatomic Stage II Breast Cancer AJCC v8Anatomic Stage III Breast Cancer AJCC v8Anatomic Stage I Breast Cancer AJCC v8+1 more
City of Hope Medical Center80 enrolled3 locationsNCT06763328
Recruiting
Phase 2Phase 3
A Study of Izalontamab Brengitecan Versus Chemotherapy in Participants With Previously Untreated, Locally Advanced, Recurrent Inoperable, or Metastatic Triple-negative Breast Cancer Ineligible for Anti-PD(L)1 Drugs (IZABRIGHT-Breast01)
Breast Neoplasms
Bristol-Myers Squibb500 enrolled295 locationsNCT06926868
Recruiting
Phase 3
Study of Sacituzumab Govitecan-hziy and Pembrolizumab Versus Treatment of Physician's Choice in Patients With Triple Negative Breast Cancer Who Have Residual Invasive Disease After Surgery and Neoadjuvant Therapy (ASCENT-05/AFT-65 OptimICE-RD/GBG 119/NSABP B-63)
Triple-Negative Breast Cancer
Gilead Sciences1,514 enrolled350 locationsNCT05633654
Recruiting
Phase 3
Phase IIIb Study of Ribociclib + ET in Early Breast Cancer
Early Breast Cancer
Novartis Pharmaceuticals1,400 enrolled217 locationsNCT05827081
Recruiting
Phase 3
Regional Radiotherapy in Biomarker Low-Risk Node Positive and T3N0 Breast Cancer
Breast Cancer
Canadian Cancer Trials Group2,140 enrolled485 locationsNCT03488693
Recruiting
Phase 2Phase 3
RO7771950 Versus Tucatinib in Combination With Trastuzumab and Capecitabine in People With Locally Advanced or Metastatic Breast Cancer That is Human Epidermal Growth Factor Receptor 2 (HER2)-Positive
HER2-positive Breast Cancer
Hoffmann-La Roche650 enrolled55 locationsNCT07413939
Recruiting
Phase 3
ShortStop-HER2: 12 Months vs. 6 Months of HER2-targeted Medications for People With HER2+ Breast Cancer Who Had a Pathologic Complete Response After Chemotherapy Plus Trastuzumab
Anatomic Stage II Breast Cancer AJCC v8Anatomic Stage I Breast Cancer AJCC v8Early-stage HER2+ Breast Cancer
Alliance for Clinical Trials in Oncology1,524 enrolled656 locationsNCT06876714
Recruiting
Phase 3
Pembrolizumab vs. Observation in People With Triple-negative Breast Cancer Who Had a Pathologic Complete Response After Chemotherapy Plus Pembrolizumab
Anatomic Stage II Breast Cancer AJCC v8Anatomic Stage IIIA Breast Cancer AJCC v8Anatomic Stage IIIB Breast Cancer AJCC v8+1 more
Alliance for Clinical Trials in Oncology1,295 enrolled838 locationsNCT05812807
Recruiting
Phase 3
Sacituzumab Tirumotecan (MK-2870) Plus Pembrolizumab Versus TPC in TNBC Who Did Not Achieve pCR (MK-2870-012)
Triple-Negative Breast Cancer
Merck Sharp & Dohme LLC1,530 enrolled299 locationsNCT06393374
Recruiting
Phase 3
A Study of Sacituzumab Tirumotecan (MK-2870) as a Single Agent and in Combination With Pembrolizumab (MK-3475) Versus Treatment of Physician's Choice in Participants With HR+/HER2- Unresectable Locally Advanced or Metastatic Breast Cancer (MK-2870-010)
Breast Neoplasms
Merck Sharp & Dohme LLC1,200 enrolled259 locationsNCT06312176