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Clinical trials in Seattle, Washington

This page shows live ClinicalTrials.gov search results for Seattle, Washington, with direct links to official study records plus on-page filtering and sorting for broad location searches.

ClinicalTrials.gov public records Last synced Oct 31, 2026, 9:40 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official matching trials
11398
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12
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Seattle, WA
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Showing 37–48 of 11,398 matching trials in Seattle, WA.
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Institutions in Seattle

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Conditions
Muscle Invasive Bladder Urothelial Carcinoma, Stage II Bladder Cancer AJCC v8, Stage IIIA Bladder Cancer AJCC v8
Interventions
Biospecimen Collection, Computed Tomography, Cystoscopy, Magnetic Resonance Imaging, Pembrolizumab, Photon Beam Radiation Therapy, Positron Emission Tomography, Questionnaire Administration, Transurethral Resection of Bladder Tumor
Procedure · Biological · Radiation + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
182
States / cities
Birmingham, Alabama • Gilbert, Arizona • Phoenix, Arizona + 146 more
Conditions
CRC (Colorectal Cancer)
Interventions
INCA33890, Placebo, Bevacizumab, FOLFOX
Drug
Lead sponsor
Incyte Corporation
Industry
Eligibility
18 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
78
States / cities
Mobile, Alabama • Tucson, Arizona • Fountain Valley, California + 65 more
Conditions
Carcinoma, Non-Small-Cell Lung
Interventions
Pembrolizumab, Cisplatin, Carboplatin, Pemetrexed, Gemcitabine, Paclitaxel, Intismeran autogene, Placebo
Biological · Drug · Other
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
680 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2038
U.S. locations
54
States / cities
Gilbert, Arizona • Tucson, Arizona • Fullerton, California + 42 more
Conditions
Large B-cell Lymphoma
Interventions
cemacabtagene ansegedleucel, Fludarabine, Cyclophosphamide, Foresight CLARITY™ IUO MRD test, powered by PhasED-Seq™
Genetic · Drug · Device
Lead sponsor
Allogene Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2032
U.S. locations
64
States / cities
Gilbert, Arizona • Hot Springs, Arkansas • Berkeley, California + 52 more
Conditions
Non-muscle Invasive Bladder Cancer With Carcinoma in Situ
Interventions
Nadofaragene Firadenovec, Gemcitabine, Docetaxel, Pembrolizumab
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
40
States / cities
Tucson, Arizona • Little Rock, Arkansas • Los Angeles, California + 34 more
Conditions
Metastatic Castration-Resistant Prostate Cancer
Interventions
PF-06821497, Placebo, Enzalutamide
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Male only
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
39
States / cities
Chandler, Arizona • Gilbert, Arizona • Glendale, Arizona + 25 more
Conditions
Genetic Disease
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
1 Month to 100 Years
Enrollment
20,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2099
U.S. locations
33
States / cities
Birmingham, Alabama • Huntsville, Alabama • Los Angeles, California + 21 more
Conditions
Microvascular Inflammation
Interventions
Felzartamab, Placebo
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 74 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
25
States / cities
Loma Linda, California • Los Angeles, California • Orange, California + 19 more
Conditions
Major Depressive Disorder (MDD), Depression in Adults, Depression - Major Depressive Disorder, Depression Disorders, Depression Disorder, Depression
Interventions
CYB003, Psychological Support
Drug · Behavioral
Lead sponsor
Cybin IRL Limited
Industry
Eligibility
18 Years to 85 Years
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
43
States / cities
Birmingham, Alabama • Gilbert, Arizona • Little Rock, Arkansas + 36 more
Conditions
B-All, Acute Lymphoblastic Leukemia
Interventions
NGS testing
Diagnostic Test
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
1 Year to 25 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
8
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Atlanta, Georgia + 4 more
Conditions
Small Cell Lung Cancer Metastatic or Locally Advanced, Neuroendocrine Cancer, Metastatic Neuroendocrine Prostate Cancer, Metastatic Advanced Poorly Differentiated Gastroenteropancreatic Neuroendocrine Carcinoma, Metastatic Advanced Merkel Cell Carcinoma, Locally Advanced Large Cell Neuroendocrine Carcinoma of the Lung, Locally Advanced Extrapulmonary Neuroendocrine Carcinoma, Locally Advanced Neuroendocrine Prostate Cancer, Locally Advanced Poorly Differentiated Gastroenteropancreatic Neuroendocrine, Locally Advanced Merkel Cell Carcinoma, Metastatic Large Cell Neuroendocrine Carcinoma of the Lung
Interventions
BL-M14D1
Drug
Lead sponsor
SystImmune Inc.
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
24
States / cities
Huntsville, Alabama • Glendale, California • Long Beach, California + 18 more
Conditions
Mitral Valve Regurgitation
Interventions
Medtronic Intrepid Transcatheter Mitral Valve Replacement System (TMVR)
Device
Lead sponsor
Medtronic Cardiovascular
Industry
Eligibility
18 Years and older
Enrollment
1,056 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2036
U.S. locations
78
States / cities
Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 57 more