Clinical trials · St. Louis, MO
Gastric Cancer clinical trials in St. Louis
We’re tracking 18 recruiting gastric cancer studies with a site in or near St. Louis — including Phase 1, Phase 1/Phase 2, Phase 2, Phase 2/Phase 3 and Phase 3 studies, each written for real people, not researchers.
Recruiting studies near St. Louis
- NCT06710756RecruitingPhase 1/Phase 2
Lead-212 therapy for solid tumors
This trial tests a new radioactive drug, Lead-212 PSV359, for people with advanced solid tumors that have not responded to standard treatments. The drug is designed to find and attack cancer cells.
St Louis, MissouriAges 18–90 - NCT06253871RecruitingPhase 1
Study of IAM1363 for HER2 Cancers
This trial tests a new oral drug called IAM1363 for people with HER2-altered cancers that have stopped responding to previous treatments. The goal is to see if the drug is safe and how well it works against these cancers.
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+ - NCT05334069Recruiting
Blood test study for early cancer detection in patients
This study collects blood from people with cancer and people without cancer (or with possible cancer) to test whether new blood tests can detect cancer earlier. Your blood samples help researchers evaluate how well these tests work.
St Louis, MissouriAges 40–75 - NCT07001748RecruitingPhase 2/Phase 3
Testing abdominal chemo plus standard chemo for stomach cancer spread
This trial tests adding the chemotherapy drug paclitaxel directly into the abdomen (intraperitoneal) along with standard IV chemotherapy for people with stomach or gastroesophageal junction cancer that has spread to the lining of the abdomen. The goal is to see if this combination helps control the cancer better than standard treatment alone.
St Louis, MissouriAges 18 years+ - NCT06532006RecruitingPhase 3
HLX22 plus trastuzumab and chemo for HER2+ stomach cancer
This trial tests adding a new drug, HLX22, to the standard combination of trastuzumab and chemotherapy for people with HER2-positive stomach or gastroesophageal junction cancer that hasn't been treated yet. The goal is to see if this three-drug mix works better than the usual two-drug approach.
St Louis, MissouriAges 18 years+ - NCT05677490RecruitingPhase 3
Chemo options, with or without nivolumab, for HER2-negative stomach cancer
This Phase 3 trial compares two standard chemotherapy regimens for advanced stomach, esophagus, or gastroesophageal junction cancer that is HER2-negative. It also tests whether adding nivolumab (an immune therapy) improves outcomes.
St Louis, MissouriAges 18 years+ - NCT03526835RecruitingPhase 1/Phase 2
Study of MCLA-158 for advanced solid tumors
This trial tests a new experimental drug called MCLA-158 (petosemtamab) for people with advanced solid tumors, especially head and neck cancer or colorectal cancer, that have not responded to standard treatments. The study aims to see if this drug can shrink tumors or slow their growth.
St Louis, MissouriAges 18 years+ - NCT06974110RecruitingPhase 1
Study of a new drug for advanced solid tumors with MSI-H or dMMR
This trial tests an oral medication called MOMA-341 in people with advanced solid tumors that have high microsatellite instability (MSI-H) or mismatch repair deficiency (dMMR). It aims to see if the drug can help when prior immunotherapy hasn't worked or isn't available.
St Louis, MissouriAges 18 years+ - 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+ - NCT06995898Recruiting
Blood test study for early cancer detection
This study is testing a new blood test that may help find cancer early. You will give blood samples over a year, and researchers will check them for signs of cancer.
St Louis, MissouriAges 45–75 - NCT07182149RecruitingPhase 1
Testing a new drug for advanced solid tumors
This trial tests a new drug called NRM-823 for people with several types of advanced cancer that have stopped responding to standard treatments. The goal is to see if the drug is safe and how well it works.
St Louis, MissouriAges 18 years+ - NCT06203600RecruitingPhase 2/Phase 3
Nivolumab plus standard treatment for advanced stomach or esophageal cancer
This trial tests whether adding the immunotherapy drug nivolumab to standard treatment works better for advanced stomach or esophageal cancer. It is for people whose cancer has already progressed after a first round of chemo plus immunotherapy.
St Louis, MissouriAges 18 years+ - NCT06764875RecruitingPhase 3
New drug combo for HER2-positive stomach cancer
This trial tests a new immunotherapy called rilvegostomig combined with standard chemotherapy and a targeted therapy (trastuzumab deruxtecan) for people with advanced HER2-positive stomach or gastroesophageal junction cancer that has not been treated before.
St Louis, MissouriAges 18 years+ - NCT05187182RecruitingPhase 1
Testing a new cancer drug with FOLFOX and immune therapy
This Phase 1 study tests CA-4948 given with standard chemotherapy (FOLFOX) and an immune therapy (an immune checkpoint inhibitor, similar to PD-1). It’s for people with advanced stomach or esophageal cancer that can’t be removed by surgery, to see how well the treatment works and whether it’s safe.
St Louis, MissouriAges 18 years+ - NCT06266299RecruitingPhase 1
Study of KK2269 for adults with solid tumors
This trial tests a new drug called KK2269 for adults with solid tumors that have spread or cannot be removed by surgery. It aims to see if the drug is safe and effective, possibly as a treatment option for certain cancers like lung or stomach cancer.
St Louis, MissouriAges 18 years+ - NCT07115043RecruitingPhase 1/Phase 2
Study of AZD6750 for advanced solid tumors
This trial tests a new drug called AZD6750 for people with advanced solid tumors that have not responded to standard treatments. It aims to see if the drug is safe and effective.
St Louis, MissouriAges 18 years+ - NCT07431281RecruitingPhase 3
New drug combo for advanced stomach cancer with CLDN18.2
This trial tests a new drug combination for people with advanced stomach cancer that has not been treated before. It looks at two groups: one with PD-L1 (a protein that helps decide if immunotherapy works), and one without. The treatment includes an antibody-drug conjugate (Sonesitatug Vedotin) plus standard chemotherapy, with or without an immunotherapy drug.
St Louis, MissouriAges 18 years+
Hear when a new Gastric Cancer trial opens near St. Louis, MO
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Gastric Cancer trials in other cities
Where these studies are running near St. Louis
Institutions with a site for the recruiting gastric cancer studies listed above.
- Washington University in St. Louis · 10 studies
- Cancer Care Center of O'Fallon · 3 studies
- Research Site · 3 studies
- HSHS St. Elizabeth's Hospital · 2 studies
- Memorial Hospital East · 2 studies
- Mercy Hospital Saint Louis · 2 studies
- Mercy Hospital Washington · 2 studies
- Mercy Oncology and Hematology - Clayton-Clarkson · 2 studies
What taking part in a gastric 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 gastric cancer studies in Missouri.
Common questions
- Are there gastric cancer clinical trials near St. Louis?
- Yes. We're currently tracking 18 recruiting gastric 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 gastric 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 gastric 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 gastric 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.