Recruiting Breast Cancer Studies in Fullerton
A Clinical Study of Sacituzumab Tirumotecan (Sac-TMT, MK-2870) in People With Breast Cancer (MK-2870-032)
Researchers are looking for new ways to treat types of breast cancer that are both: * High-risk, which means the cancer may have a higher chance of getting worse or coming back after treatment * Earl...
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)
The purpose of this study is to compare sacituzumab tirumotecan as a single agent, and in combination with pembrolizumab, versus Treatment of Physician's Choice (TPC) in participants with hormone rece...
Phase 3 Study to Evaluate the Efficacy and Safety of HER2/Neu Peptide GLSI-100 (GP2 + GM-CSF) in HER2/Neu Positive Subjects
This is a prospective, randomized, double-blinded, placebo-controlled, multi-center, Phase 3 study of GLSI-100 immunotherapy in HLA-A\*02 positive and HER2/neu positive subjects who are at high risk f...
Phase 3 Study of Gedatolisib as First-Line Treatment for Patients With HR-Positive, HER2-Negative Advanced Breast Cancer (VIKTORIA-2)
This is a Phase 3, open-label, randomized, clinical trial evaluating the efficacy and safety of gedatolisib plus fulvestrant and CDK4/6 Inhibitors for the treatment of patients with locally advanced o...
A Study of DB-1303/BNT323 vs Investigator's Choice Chemotherapy in HER2-Low, Hormone Receptor Positive Metastatic Breast Cancer (DYNASTY-Breast02)
The goal of this clinical trial is to assess the efficacy of DB-1303/BNT323 compared with investigator's choice chemotherapy in terms of progression-free survival (PFS) by blinded independent central ...
A Phase 2 Study of T-DXd in Patients With Selected HER2 Expressing Tumors
This is an open-label, multi-center, multi-cohort, Phase 2 study to evaluate the efficacy and safety of trastuzumab deruxtecan (T-DXd) for the treatment of selected HER2-expressing tumors. This study...
Trastuzumab Deruxtecan Alone or in Combination With Anastrozole for the Treatment of Early Stage HER2 Low, Hormone Receptor Positive Breast Cancer
This phase II trial investigates how well trastuzumab deruxtecan works alone or in combination with anastrozole in treating patients with HER2 low, hormone receptor positive breast cancer. Trastuzumab...
Study of Abemaciclib and Elacestrant in Patients With Brain Metastasis Due to ER+/HER-2- Breast Cancer
This is a multi-site, global, open-label study that includes a phase 1b evaluation of elacestrant in combination with abemaciclib in women and men with brain metastases from estrogen receptor (ER)-pos...
About Breast Cancer Clinical Trials in Fullerton
Breast cancer is a disease in which cells in the breast grow out of control. It is the most common cancer in women worldwide and can also occur in men. Treatment options include surgery, radiation, chemotherapy, hormone therapy, and targeted therapies.
There are currently 8 breast cancer clinical trials recruiting participants in Fullerton, CA. These studies are seeking a combined 6,180 participants. Research is being sponsored by Merck Sharp & Dohme LLC, Greenwich LifeSciences, Inc., Celcuity Inc and 4 other organizations. Clinical trial participation is free and participants receive study-related medical care at no cost.
Breast Cancer Clinical Trials in Fullerton — FAQ
Are there breast cancer clinical trials in Fullerton?
Yes, there are 8 breast cancer clinical trials currently recruiting in Fullerton, CA. Browse the studies on this page to find one that fits.
How do I join a clinical trial in Fullerton?
Browse the studies listed above, click one that interests you, and complete the free eligibility form. A study coordinator at the Fullerton research site will contact you about next steps.
Are clinical trials in Fullerton free?
Yes, clinical trial participation is always free. Study-related treatment, medical tests, and doctor visits are provided at no cost. Many Fullerton studies also compensate for your time and travel.
What breast cancer treatments are being tested?
The 8 active trials in Fullerton are testing new therapies including novel drugs, biologics, and treatment approaches for breast cancer.
Data updated March 2, 2026 from ClinicalTrials.gov