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Clinical trials in Orange, CA
478 clinical studies are recruiting at sites in and around Orange (within about 30 miles).
Studies for healthy volunteers in Orange — 18 studies
Studies by condition
- Non-Small Cell Lung Cancer25 studies
- Metastatic Cancer20 studies
- Colorectal Cancer16 studies
- Ovarian Cancer16 studies
- Pancreatic Cancer15 studies
- Melanoma14 studies
- Lung Cancer14 studies
- Prostate Cancer14 studies
- Cancer (all types)14 studies
- Breast Cancer14 studies
- Liver Cancer (Hepatocellular Carcinoma)14 studies
- Major Depressive Disorder13 studies
- Acute Myeloid Leukemia13 studies
- Stomach Cancer13 studies
- Bladder Cancer12 studies
- Endometrial Cancer11 studies
- Urothelial (Transitional Cell) Carcinoma10 studies
- Depression9 studies
- Multiple Myeloma9 studies
- Burkitt Lymphoma9 studies
- Head and Neck Squamous Cell Carcinoma8 studies
- Leukemia7 studies
- Blood Cancers7 studies
- Autoimmune Diseases7 studies
- Myelodysplastic Syndromes7 studies
- Alzheimer's Disease7 studies
- Esophageal Adenocarcinoma7 studies
- Soft Tissue Sarcoma6 studies
- Esophageal Cancer6 studies
- Myasthenia Gravis6 studies
- Glioma6 studies
- Chronic Lymphocytic Leukemia6 studies
- Schizophrenia6 studies
- Liver Cancer6 studies
- Non-Hodgkin Lymphoma6 studies
- Bipolar Disorder5 studies
- Steatotic Liver Disease5 studies
- Follicular Lymphoma5 studies
- Obesity5 studies
- Colon Cancer5 studies
- Kidney Cancer (Renal Cell Carcinoma)5 studies
- Heart Failure5 studies
- Acute Lymphoblastic Leukemia5 studies
- Cervical Cancer5 studies
- Down Syndrome4 studies
- Epilepsy4 studies
- Seizures4 studies
- Hemophilia4 studies
- Glioblastoma4 studies
- Acute Biphenotypic Leukemia4 studies
- Lymphoma4 studies
- Crohn's Disease4 studies
- Biliary Tract Cancer4 studies
- Diffuse Large B-Cell Lymphoma4 studies
- Mild Cognitive Impairment4 studies
- Bile Duct Cancer (Cholangiocarcinoma)4 studies
- Brain and Spinal Cord Tumors4 studies
- Laryngeal Cancer4 studies
- Myeloproliferative Neoplasms4 studies
- Respiratory Distress Syndrome4 studies
- Acute Lung Injury4 studies
- Kidney Cancer4 studies
- Triple-Negative Breast Cancer4 studies
- Lung Diseases4 studies
- High Blood Pressure3 studies
- Chronic Myeloid Leukemia3 studies
- Gastrointestinal Cancers3 studies
- Osteosarcoma3 studies
- Ewing Sarcoma3 studies
- Ulcerative Colitis3 studies
- Pituitary Dwarfism3 studies
- Mantle Cell Lymphoma3 studies
- Psychotic Disorders3 studies
- Rectal Cancer3 studies
- Spinal Muscular Atrophy3 studies
- Non-Muscle Invasive Bladder Cancer3 studies
- Pancreatic Ductal Carcinoma3 studies
- Genetic Disorders3 studies
- Myositis3 studies
- Myelofibrosis3 studies
- Oral Cancer3 studies
- Neuroendocrine Tumors3 studies
- Neuroblastoma3 studies
- Hodgkin Lymphoma3 studies
- Head and Neck Cancer3 studies
- Urogenital Cancer3 studies
- Sickle Cell Disease3 studies
- Vaso-Occlusive Crises3 studies
- Esophageal Squamous Cell Carcinoma3 studies
- Liver Diseases3 studies
From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.