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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, 6:52 PM EDT

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

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11398
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Seattle, WA
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Showing 25–36 of 11,398 matching trials in Seattle, WA.
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Institutions in Seattle

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Conditions
Clostridium Difficile, Clostridium Difficile Infections, Clostridium Difficile Infection Recurrence, Clostridioides Difficile Infection, Clostridioides Difficile Infection Recurrence, CDI, C. Diff Infection, Recurrent Clostridium Difficile Infection, C.Difficile Diarrhea, Diarrhea Infectious
Interventions
VE303, Placebo
Biological
Lead sponsor
Vedanta Biosciences, Inc.
Industry
Eligibility
12 Years and older
Enrollment
852 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
84
States / cities
Huntsville, Alabama • Chandler, Arizona • Phoenix, Arizona + 73 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
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
Renal Pelvis and Ureter Urothelial Carcinoma
Interventions
Biopsy Procedure, Biospecimen Collection, Cisplatin, Computed Tomography, Doxorubicin Hydrochloride, Durvalumab, Gemcitabine Hydrochloride, Magnetic Resonance Imaging, Methotrexate, Pegfilgrastim, Therapeutic Conventional Surgery, Vinblastine Sulfate
Procedure · Drug · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
258
States / cities
Kingman, Arizona • Fort Smith, Arkansas • Little Rock, Arkansas + 197 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
Treatment Resistant Depression
Interventions
VLS-01-203 BU, VLS-01-BU Placebo
Drug
Lead sponsor
atai Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
34
States / cities
Tucson, Arizona • Little Rock, Arkansas • Rogers, Arkansas + 30 more
Conditions
Mesial Temporal Lobe Epilepsy
Interventions
NRTX-1001, Sham Comparator
Biological · Procedure
Lead sponsor
Neurona Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2043
U.S. locations
36
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 31 more
Conditions
Obesity or Overweight
Interventions
Lenbelintide, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
2,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
41
States / cities
Dothan, Alabama • Huntsville, Alabama • Mesa, Arizona + 38 more
Conditions
Ganglioneuroblastoma, Nodular, Neuroblastoma
Interventions
Biospecimen Collection, Bone Marrow Aspiration, Bone Marrow Biopsy, Carboplatin, Cisplatin, Computed Tomography, Cyclophosphamide, Dinutuximab, Doxorubicin, Echocardiography Test, Etoposide, FDG-Positron Emission Tomography and Computed Tomography Scan, Hematopoietic Cell Transplantation, Irinotecan, Isotretinoin, Leukapheresis, Magnetic Resonance Imaging, Melphalan, Multigated Acquisition Scan, Radiation Therapy, Radionuclide Imaging, Survey Administration, Temozolomide, Thiotepa, Topotecan, Tumor Resection, Vincristine
Procedure · Drug · Biological + 2 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Up to 30 Years
Enrollment
478 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
158
States / cities
Birmingham, Alabama • Mobile, Alabama • Mesa, Arizona + 127 more
Conditions
Solid Tumors
Interventions
INCB161734, Placebo, Investigator's choice of chemotherapy
Drug
Lead sponsor
Incyte Corporation
Industry
Eligibility
18 Years and older
Enrollment
588 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
69
States / cities
Birmingham, Alabama • Anchorage, Alaska • Chandler, Arizona + 55 more
Active, not recruiting Phase 2 Interventional Results available

Genetic Testing in Guiding Treatment for Patients With Brain Metastases

NCT03994796
Conditions
CDK Gene Mutation, Metastatic Malignant Neoplasm in the Brain, Metastatic Malignant Solid Neoplasm, NTRK Family Gene Mutation, PI3K Gene Mutation, ROS1 Gene Mutation, KRAS G12C Mutation
Interventions
Abemaciclib, PI3K Inhibitor paxalisib, Entrectinib, Adagrasib
Drug
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
435
States / cities
Anchorage, Alaska • Phoenix, Arizona • Scottsdale, Arizona + 306 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