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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 Nov 15, 2026, 5:48 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Official matching trials
11419
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12
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Recently updated
Location scope
Seattle, WA
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Showing 577–588 of 11,419 matching trials in Seattle, WA.
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Institutions in Seattle

Campus pages list official records that name the campus as a study site. Listed in directory order, not ranked.

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Conditions
Recurrent Langerhans Cell Histiocytosis, Refractory Langerhans Cell Histiocytosis
Interventions
Biospecimen Collection, Bone Marrow Aspiration, Bone Marrow Biopsy, Computed Tomography, Echocardiography Test, FDG-Positron Emission Tomography and Computed Tomography Scan, Lumbar Puncture, Multigated Acquisition Scan, Tovorafenib
Procedure · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
180 Days to 22 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
108
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Downey, California + 85 more
Conditions
Post Traumatic Stress Disorder
Interventions
Methylone
Drug
Lead sponsor
Transcend Therapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
8
States / cities
Lauderhill, Florida • Maitland, Florida • Orlando, Florida + 5 more
Conditions
Trauma, Hemorrhage
Interventions
Calcium Gluconate, Vasopressin, saline placebo
Drug
Lead sponsor
Jason Sperry
Other
Eligibility
18 Years to 90 Years
Enrollment
1,050 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
18
States / cities
Chandler, Arizona • Tucson, Arizona • Little Rock, Arkansas + 13 more
Conditions
Relapsed or Refractory Multiple Myeloma
Interventions
mezigdomide, Pomalidomide, Bortezomib, Dexamethasone
Drug
Lead sponsor
Celgene
Industry
Eligibility
18 Years and older
Enrollment
810 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2033
U.S. locations
56
States / cities
Los Alamitos, California • San Diego, California • West Hollywood, California + 50 more
Conditions
Coronary Artery Disease, Cardiovascular Diseases, Smoking
Interventions
Educational Letter Post CT Examination
Other
Lead sponsor
American College of Radiology
Other
Eligibility
50 Years to 80 Years
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Ann Arbor, Michigan • Seattle, Washington
Conditions
Immune Thrombocytopenic Purpura (ITP)
Interventions
Mezagitamab
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
25
States / cities
Hot Springs, Arkansas • Los Angeles, California • San Diego, California + 21 more
Conditions
Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma
Interventions
Venetoclax, Ibrutinib, Acalabrutinib, Zanubrutinib
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
4
States / cities
San Francisco, California • Kansas City, Missouri • Durham, North Carolina + 1 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
Diffuse Large B-Cell Lymphoma, Grade 3b Follicular Lymphoma, High Grade B-Cell Lymphoma
Interventions
Bone Marrow Biopsy, Cyclophosphamide, Doxorubicin, Prednisone, Retifanlimab, Rituximab and Hyaluronidase Human, Tafasitamab, Vincristine, Bone Marrow Aspiration, Multigated Acquisition Scan, Fludeoxyglucose F-18, Positron Emission Tomography, Computed Tomography, Biospecimen Collection, Polatuzumab Vedotin
Procedure · Drug · Biological + 1 more
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Seattle, Washington
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
Prostate Cancer, Prostatic Neoplasms
Interventions
Ifinatamab deruxtecan, Docetaxel, Prednisone, Rescue Medication
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older · Male only
Enrollment
1,440 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
55
States / cities
Phoenix, Arizona • Clovis, California • Duarte, California + 43 more
Conditions
Metastatic Head and Neck Squamous Cell Carcinoma, Recurrent Head and Neck Squamous Cell Carcinoma
Interventions
Ficerafusp alfa, Pembrolizumab (KEYTRUDA®), Placebo
Drug
Lead sponsor
Bicara Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
55
States / cities
Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 41 more