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Clinical trials in Seattle, WA
1,177 clinical studies are recruiting at sites in and around Seattle (within about 30 miles).
Studies for healthy volunteers in Seattle — 106 studies
Studies by condition
- Non-Small Cell Lung Cancer53 studies
- Cancer (all types)50 studies
- Prostate Cancer44 studies
- Breast Cancer40 studies
- Acute Myeloid Leukemia40 studies
- Metastatic Cancer39 studies
- Colorectal Cancer34 studies
- Lung Cancer33 studies
- Ovarian Cancer31 studies
- Multiple Myeloma22 studies
- Pancreatic Cancer22 studies
- Myelodysplastic Syndromes21 studies
- Bladder Cancer21 studies
- Acute Lymphoblastic Leukemia21 studies
- Chronic Lymphocytic Leukemia21 studies
- Endometrial Cancer18 studies
- Blood Cancers18 studies
- Type 1 Diabetes18 studies
- Heart Failure17 studies
- Melanoma17 studies
- Non-Hodgkin Lymphoma16 studies
- Follicular Lymphoma16 studies
- Acute Biphenotypic Leukemia15 studies
- Triple-Negative Breast Cancer14 studies
- Obesity13 studies
- Burkitt Lymphoma13 studies
- Mantle Cell Lymphoma13 studies
- Lymphoma12 studies
- Post-Traumatic Stress Disorder12 studies
- Colon Cancer12 studies
- Cystic Fibrosis12 studies
- Myelofibrosis12 studies
- Diffuse Large B-Cell Lymphoma12 studies
- Glioma11 studies
- Brain Tumors11 studies
- Crohn's Disease11 studies
- Leukemia11 studies
- Chronic Myeloid Leukemia11 studies
- Head and Neck Squamous Cell Carcinoma11 studies
- Chronic Myelomonocytic Leukemia11 studies
- Bronchiolitis Obliterans Syndrome11 studies
- Alzheimer's Disease10 studies
- Diffuse Intrinsic Pontine Glioma10 studies
- Depression10 studies
- Stomach Cancer10 studies
- Liver Cancer (Hepatocellular Carcinoma)10 studies
- Small Cell Lung Cancer10 studies
- Myeloproliferative Neoplasms9 studies
- Overweight9 studies
- Kidney Cancer (Renal Cell Carcinoma)9 studies
- Rectal Cancer9 studies
- Urothelial (Transitional Cell) Carcinoma9 studies
- Stroke9 studies
- Marginal Zone Lymphoma9 studies
- Inflammatory Bowel Disease9 studies
- Glioblastoma8 studies
- Cardiovascular Disease8 studies
- Type 2 Diabetes8 studies
- Ischemic Stroke8 studies
- Kidney Cancer8 studies
- Ulcerative Colitis8 studies
- HIV8 studies
- Esophageal Adenocarcinoma8 studies
- Steatotic Liver Disease7 studies
- Amyotrophic Lateral Sclerosis7 studies
- Esophageal Cancer7 studies
- Astrocytoma7 studies
- Multiple Sclerosis7 studies
- Pain7 studies
- B-Cell Lymphoma7 studies
- Gastrointestinal Cancers7 studies
- Autoimmune Diseases7 studies
- Cervical Cancer7 studies
- Lung Diseases7 studies
- Mesothelioma6 studies
- Diabetes6 studies
- Major Depressive Disorder6 studies
- Respiratory Distress Syndrome6 studies
- Neuroblastoma6 studies
- Dementia6 studies
- T-Cell Lymphoma6 studies
- Castration-Resistant Prostatic Cancer6 studies
- Hemophilia6 studies
- Immune System and Disorders6 studies
- Parkinson's Disease6 studies
- Chronic Kidney Disease5 studies
- Digestive Diseases5 studies
- Brain and Spinal Cord Tumors5 studies
- Suicide5 studies
- Pituitary Dwarfism5 studies
- Neuroendocrine Tumors5 studies
- Liver Cancer5 studies
- Acute Lung Injury5 studies
- Waldenstrom Macroglobulinemia5 studies
- Diabetic Kidney Problems5 studies
- Head and Neck Cancer5 studies
- Atrial Fibrillation5 studies
- Obstructive Sleep Apnea5 studies
- Mild Cognitive Impairment5 studies
- Blood Disorders5 studies
- Bleeding5 studies
- with Excess of Blasts Refractory Anemia5 studies
- Spinal Cord Injuries5 studies
- Traumatic Brain Injury5 studies
- Alcohol Use Disorder (AUD)5 studies
- Pulmonary Arterial Hypertension5 studies
- Psoriatic Arthritis4 studies
- Amyloidosis4 studies
- Cardiomyopathy4 studies
- Mitral Valve Insufficiency4 studies
- Metabolic Disorders4 studies
- Medulloblastoma4 studies
- Non-Muscle Invasive Bladder Cancer4 studies
- Acute Monocytic Leukemia4 studies
- Abdominal Aortic Aneurysm4 studies
- Brain Aneurysm4 studies
- Fatigue4 studies
- Seizures4 studies
- Biliary Tract Cancer4 studies
- Bile Duct Cancer (Cholangiocarcinoma)4 studies
- Blastic Plasmacytoid Dendritic Cell Cancer4 studies
- Chronic Pain4 studies
- Osteosarcoma4 studies
- Gastrointestinal Stromal Tumors4 studies
- Post-COVID Conditions (Long COVID)4 studies
- Down Syndrome4 studies
- Graft-Versus-Host Disease4 studies
- Idiopathic Thrombocytopenic Purpura4 studies
- Pancreatitis4 studies
- Cerebral Hemorrhage4 studies
- Coronary Artery Disease4 studies
- Sclerosing Cholangitis4 studies
- Tricuspid Valve Insufficiency4 studies
- Sudden Cardiac Arrest4 studies
- Flu4 studies
- Opioid Overdose4 studies
- Ovarian Epithelial Carcinoma4 studies
- Duchenne Muscular Dystrophy4 studies
- Heart Diseases3 studies
- Uterine Cancer3 studies
- Glucose Intolerance3 studies
- Endocrine Diseases3 studies
- Lupus3 studies
- Liver Diseases3 studies
- Alcohol3 studies
- Atherosclerosis3 studies
- Attention Deficit Hyperactivity Disorder3 studies
- Charcot-Marie-Tooth Disease3 studies
- Congenital Heart Defects3 studies
- Thyroid Cancer3 studies
- Liposarcoma3 studies
- Rhabdomyosarcoma3 studies
- Chronic Inflammatory Demyelinating Polyradiculoneuropathy3 studies
- Drug Use and Addiction3 studies
- Biliary Liver Cirrhosis3 studies
- Salivary Gland Cancer3 studies
- Merkel Cell Carcinoma3 studies
- Juvenile Myelomonocytic Leukemia3 studies
- Gallbladder Cancer3 studies
- Islet Cell Adenoma3 studies
- Aplastic Anemia3 studies
- Rare Diseases3 studies
- Kidney Failure3 studies
- Renal Insufficiency3 studies
- Anemia3 studies
- Hodgkin Lymphoma3 studies
- Epilepsy3 studies
- COVID-19 and Coronavirus Infections3 studies
- Obesity in Children3 studies
- Chronic-Phase Myeloid Leukemia3 studies
- Precursor T-Cell Lymphoblastic Leukemia-Lymphoma3 studies
- Pain After Surgery3 studies
- Esophageal Squamous Cell Carcinoma3 studies
- Acute Kidney Injury3 studies
- Critical Illness3 studies
- Concussion3 studies
- Cytopenia3 studies
- Premature Birth3 studies
- Meningioma3 studies
- Urinary Tract Infections3 studies
- Sepsis3 studies
- Heart Valve Diseases3 studies
- Neurologic Diseases3 studies
- Migraine3 studies
- E. coli Infections3 studies
- Hemophilia B3 studies
- Nausea and Vomiting3 studies
- Acute Lymphocytic Leukemia3 studies
- Focal Segmental Glomerulosclerosis3 studies
- Lipoid Nephrosis3 studies
- Blood Clots3 studies
- Huntington's Disease3 studies
- Anaplastic Large-Cell Lymphoma3 studies
- Neuroendocrine Carcinoma3 studies
- Health Risks of an Inactive Lifestyle3 studies
- Skin Cancer3 studies
From ClinicalTrials.gov, data retrieved Sep 29, 2026. Each study sets its own eligibility; the study team decides who can join.