Clinical trials · St. Louis, MO
Advanced Breast Cancer clinical trials in St. Louis
We’re tracking 68 recruiting advanced breast cancer studies with a site in or near St. Louis — including Phase 1, Phase 1/Phase 2, Phase 2 and Phase 3 studies, each written for real people, not researchers.
Recruiting studies near St. Louis
- NCT06910657RecruitingPhase 1
IDOV-Immune vaccine for advanced solid tumors
This trial tests an experimental virus-based treatment for people with advanced solid tumors that have stopped responding to standard therapies. The treatment is designed to infect and destroy cancer cells while boosting the immune system.
St Louis, MissouriAges 18 years+ - NCT07046923RecruitingPhase 1
A study of LY4175408 for advanced cancer
This trial tests a new targeted drug (LY4175408) for people with certain advanced solid tumors (lung, endometrial, or triple negative breast cancer) who have already tried standard treatments. The goal is to see if the drug is safe and effective.
St Louis, MissouriAges 18 years+ - NCT07383506RecruitingPhase 1
Study of a targeted pill for PIK3CA-mutated advanced cancers
This trial tests a new pill (CGT6297) that targets cancer cells with a specific PIK3CA gene change. It may be an option for people with certain advanced solid tumors, including endometrial or breast cancer, after standard treatments have stopped working.
St Louis, MissouriAges 18 years+ - NCT05564377RecruitingPhase 2
Find targeted cancer treatments using genetic testing
This study matches people with advanced solid tumors to targeted treatment plans based on genetic testing. It also requires tumor sample testing to help doctors choose the most promising therapy for your specific tumor changes.
St Louis, MissouriAges Any age - NCT05977036Recruiting
Biomarker test to guide early treatment for HR+ HER2- breast cancer
This study uses a lab “biomarker” test to help doctors choose the best first treatment for people with HR+ (hormone-receptor positive), HER2-negative metastatic or unresectable breast cancer. The goal is to see if this biomarker-guided approach can improve which therapy you start with.
St Louis, MissouriAges 18 years+ - NCT06440005RecruitingPhase 1
Testing AGX101 for advanced solid tumors
This study tests a new drug called AGX101 for people with advanced solid tumors that have not responded to other treatments. The goal is to see if it is safe and if it can shrink tumors or slow their growth.
St Louis, MissouriAges 18 years+ - NCT07100106RecruitingPhase 1/Phase 2
Study of GDC-4198 alone or with giredestrant for advanced breast cancer
This trial tests a new treatment (GDC-4198) alone or with another drug (giredestrant) compared to a standard combination (abemaciclib and giredestrant) for people with advanced hormone receptor-positive, HER2-negative breast cancer that has progressed after previous treatments.
St Louis, MissouriAges 18 years+ - NCT06172478RecruitingPhase 2
HER3-DXd for advanced solid tumors after prior treatment
This trial tests a new targeted drug called HER3-DXd for people with several types of advanced solid tumors that have stopped responding to standard treatments. The drug is an antibody-drug conjugate, designed to deliver chemotherapy directly to cancer cells that have a protein called HER3 on their surface.
St Louis, MissouriAges 18 years+ - NCT06625775RecruitingPhase 1
Study of BBO-10203 for advanced solid tumors
This trial tests a new drug called BBO-10203, alone or combined with other cancer treatments, for people with certain advanced breast, colorectal, or lung cancers. It aims to see if the drug is safe and effective.
St Louis, MissouriAges 18 years+ - NCT05856981RecruitingPhase 1
Testing ADU-1805 for advanced solid tumors safety
This early study tests whether ADU-1805 is safe in people with advanced solid tumors and checks how the body processes the drug. Depending on your cancer type, it may also be looking specifically at certain cancers that have not yet received PD-(L)1 immunotherapy.
St Louis, MissouriAges 18 years+ - NCT06682793RecruitingPhase 1/Phase 2
Study of A2B395 therapy for solid tumors with EGFR and HLA loss
This trial tests a new cell therapy called A2B395 for cancers that have EGFR, a protein on the cell surface, and have lost a specific marker called HLA-A*02. The therapy uses specially engineered immune cells to target and kill these cancer cells. This may help patients with colorectal, lung, head and neck, breast, kidney, or other solid tumors that are no longer responding to standard treatments.
St Louis, MissouriAges 18 years+ - NCT04968964Recruiting
Monitoring test for CDK4/6 drugs in metastatic breast cancer
This study follows people with hormone receptor–positive, HER2-negative metastatic breast cancer who are taking CDK4/6 inhibitor treatment (with or without an added blood test called DiviTum®). The goal is to see how well the standard treatment is working and whether DiviTum® (a serum TK1 activity test) can help guide monitoring.
St Louis, MissouriAges 18 years+ - NCT06997029RecruitingPhase 1
Study of BMS-986500 for advanced solid tumors
This trial tests a new drug called BMS-986500, alone or with other treatments, for people with advanced solid tumors that cannot be removed by surgery or have spread. It aims to see if the drug is safe and effective.
St Louis, MissouriAges 18 years+ - NCT06774963RecruitingPhase 1
Study of LNCB74 for advanced solid tumors
This trial tests a new drug called LNCB74 for people with advanced solid tumors that have not responded to other treatments. It aims to see if the drug is safe and effective.
St Louis, MissouriAges 18 years+ - NCT07109726RecruitingPhase 1/Phase 2
Testing TER-2013 for advanced tumors with AKT/PI3K/PTEN changes
This trial tests a new drug called TER-2013, alone or combined with another drug (fulvestrant), for people with advanced solid tumors that have specific genetic changes in the AKT/PI3K/PTEN pathway. It aims to see if the drug is safe and effective.
St Louis, MissouriAges 18 years+ - NCT06380751RecruitingPhase 3
New targeted therapy for BRCA/PALB2-mutated HR+ breast cancer
This trial tests a new combination of targeted therapies (saruparib plus camizestrant or hormone therapy) against standard treatments for people with a specific type of advanced breast cancer. It may be a good option if you have a BRCA1, BRCA2, or PALB2 gene mutation and have not yet had treatment for your advanced disease.
St Louis, MissouriAges 18 years+ - NCT07222267RecruitingPhase 1
Study of BG-75202 for advanced solid tumors
This trial tests a new drug called BG-75202, alone or with other drugs, for people with advanced breast cancer or other solid tumors that have stopped responding to standard treatments. It may offer a new option when other treatments have failed.
St Louis, MissouriAges 18 years+ - NCT02422641RecruitingPhase 2
High-dose methotrexate for breast cancer in the brain lining
This Phase 2 trial tests whether giving high-dose methotrexate into the bloodstream can help treat breast cancer that has spread to the thin lining covering the brain and spinal cord. It may help reduce cancer in the leptomeningeal (brain-lining) area and control symptoms.
St Louis, MissouriAges 18 years+ - NCT06982521RecruitingPhase 3
Comparing two drug combinations for advanced breast cancer
This trial tests two different combinations of medicines for people with a certain type of advanced breast cancer (HR-positive, HER2-negative) that has a specific gene change called PIK3CA. The goal is to see which combination is better at slowing down the cancer.
St Louis, MissouriAges 18 years+ - NCT07383441RecruitingPhase 3
Adding Biotherapy or Placebo to Standard Kidney Cancer Treatment
This trial tests whether adding a biotherapy (a special drug from a living source) or a placebo to standard treatments helps people with advanced kidney cancer. It may be a good option if your cancer hasn't been treated yet and you are in fairly good health.
St Louis, MissouriAges 18 years+ - NCT07327489Recruiting
Live tumor biopsy study to predict immunotherapy response
This trial studies how well immunotherapy might work by analyzing fresh tumor biopsies. It may help predict which treatments are best for your cancer.
St Louis, MissouriAges 18 years+ - NCT06084481RecruitingPhase 1
Study of a new drug for advanced solid tumors
This study tests a new intravenous drug called ABBV-400 in people with certain advanced solid tumors that have not responded to other treatments. The goal is to see if it can slow or stop tumor growth and to check for side effects.
St Louis, MissouriAges 18 years+ - NCT06545331RecruitingPhase 1
A study of XB010 for advanced solid tumors
This trial tests an investigational drug called XB010 for people with solid tumors that have spread or cannot be removed by surgery. It aims to see if XB010 is safe and effective for several cancer types, including lung, breast, head and neck, and esophageal cancers.
St Louis, MissouriAges 18 years+ - NCT07427394RecruitingPhase 2
Camizestrant and atirmociclib for advanced breast cancer
This trial tests two experimental drugs—camizestrant and atirmociclib—for women with advanced ER-positive breast cancer that has worsened after prior treatment. The goal is to see if the combination is safe and tolerable.
St Louis, MissouriAges 18 years+
Hear when a new Advanced Breast Cancer trial opens near St. Louis, MO
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Advanced Breast Cancer trials in other cities
Where these studies are running near St. Louis
Institutions with a site for the recruiting advanced breast cancer studies listed above.
- Washington University in St. Louis · 18 studies
- Siteman Cancer Center · 3 studies
- Missouri Baptist Medical Center · 2 studies
- Research Site · 2 studies
- Sainte Genevieve County Memorial Hospital · 2 studies
- Cancer Care Center of O'Fallon
- Memorial Hospital East
- Mercy
What taking part in a advanced breast cancer study involves
A screening visit first
Before anything else, the study team checks whether you fit — usually a visit with some tests. You can stop at any point, and screening is typically free.
Care at a nearby site
Study visits happen at a clinic or hospital taking part. Many studies cover the cost of the study treatment and related visits, and some reimburse travel.
You stay in control
Taking part is voluntary and you can leave a study at any time, for any reason, without affecting your regular care.
The team decides eligibility
Our fit check is a helpful first read, not a decision. The study team makes the final call after reviewing your health history.
Looking wider? See all recruiting advanced breast cancer studies in Missouri.
Common questions
- Are there advanced breast cancer clinical trials near St. Louis?
- Yes. We're currently tracking 68 recruiting advanced breast cancer studies with a site near St. Louis, each rewritten in plain language so you can see what it's testing and who it's for.
- How do I find out if I qualify for a advanced breast cancer study near St. Louis?
- Each study lists its eligibility rules — age, diagnosis, prior treatments. On every trial page we explain these in plain language and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Do I have to live in St. Louis to take part?
- Not necessarily. These studies have a site near St. Louis, but eligibility is about your health, not your address — some people travel to take part, and a few studies reimburse travel. The study team can tell you what's required.
- Does it cost anything to join a advanced breast cancer trial?
- Using Clin2 is always free. Many trials cover the study treatment and related visits; some reimburse travel. The study team explains exactly what's covered before you decide.
Not the right time?
New advanced breast cancer studies open near St. Louis regularly. Set up a health profile and we’ll quietly watch for studies that fit you and email you when one opens.