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Colorectal Cancer clinical trials in O'Fallon, MO
5 studies for Colorectal Cancer are looking for participants at sites in and around O'Fallon (within about 30 miles). Open a study to see who can join and how to contact the study team.
Recruiting for a study here? Feature it at the top of this page — $99 for 30 days →
Family Communications After Genetic Testing
RecruitingHealthy volunteers welcome
- Mercy Oncology and Hematology - Clayton-Clarkson, Ballwin · 17 mi away
- Mercy Hospital Washington, Washington · 24 mi away
Collecting Blood Samples From Patients With and Without Cancer to Evaluate Tests for Early Cancer Detection
RecruitingObservational studyHealthy volunteers welcome
- Saint Luke's Hospital, Chesterfield · 12 mi away
- Mercy Oncology and Hematology - Clayton-Clarkson, Ballwin · 17 mi away
- Mercy Hospital Washington, Washington · 24 mi away
Clinical Trial of an Anti-cancer Drug, CA-4948 (Emavusertib), in Combination With Chemotherapy Treatment (FOLFOX Plus Bevacizumab) in Metastatic Colorectal Cancer
RecruitingPhase 1
- Siteman Cancer Center at Saint Peters Hospital, City of Saint Peters · 4 mi away
Evaluating Whether an Educational Website Called Current Together After Cancer (CTAC) Improves Follow-up Care for Colorectal Cancer Survivors
RecruitingPhase 3Healthy volunteers welcome
- Mercy Oncology and Hematology - Clayton-Clarkson, Ballwin · 17 mi away
- Mercy Hospital Washington, Washington · 24 mi away
Assessing Benefits and Harms of Cannabis/Cannabinoid Use Among Cancer Patients Treated in Community Oncology Clinics
RecruitingObservational study
- Mercy Oncology and Hematology - Clayton-Clarkson, Ballwin · 17 mi away
- Saint Louis Cancer and Breast Institute-Ballwin, Ballwin · 17 mi away
About Colorectal Cancer
Colorectal cancer starts in the colon or rectum. It may not cause symptoms at first. Screening tests can help find it early, when treatment is most effective.
More about Colorectal Cancer on MedlinePlus
Colorectal Cancer trials in other cities
- Houston, TX102 studies
- New York City, NY78 studies
- Nashville, TN69 studies
- Boston, MA63 studies
- Los Angeles, CA59 studies
- Arlington, VA52 studies
- St. Louis, MO50 studies
- San Antonio, TX46 studies
- Philadelphia, PA44 studies
- Grand Rapids, MI40 studies
- Baldwin Park, CA37 studies
- Chicago, IL34 studies
Other studies in O'Fallon
- Obesity11 studies
- Overweight10 studies
- Major Depressive Disorder9 studies
- Prostate Cancer9 studies
- Non-Small Cell Lung Cancer8 studies
- Lung Cancer7 studies
- Acute Myeloid Leukemia6 studies
- Breast Cancer6 studies
- Depression5 studies
- Melanoma5 studies
- Kidney Cancer (Renal Cell Carcinoma)5 studies
- Bipolar Disorder4 studies
From ClinicalTrials.gov, data retrieved Oct 6, 2026. Each study sets its own eligibility; the study team decides who can join.