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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 May 21, 2026, 2:23 AM 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
5123
Shown on this page
12
Local exact-city summaries
5123
Based on exact city/state matches in the local index.
Local exact-city recruiting
959
Live official results below use the broader ClinicalTrials.gov location search.
The trial list below is retrieved from the live ClinicalTrials.gov search API for Seattle, Washington. Results on this page are currently sorted by Recently updated. Use the filter controls below to narrow by condition, treatment, sponsor, recruitment status, phase, study type, sex, or age.

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These controls apply only within Seattle, Washington. Default order is Recently updated. Use recruitment status if you want to focus on actively recruiting studies in this location.

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Showing 1–12 of 5,123 matching trials in Seattle, WA.
Indexed local directory records.
The summary panels and records below use exact city/state matches from the local directory for Seattle, WA. Use the filters or full search link when you want broader live ClinicalTrials.gov location matching.

Indexed official records

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Conditions
Post Traumatic Stress Disorder
Interventions
Placebo, TSND-201
Drug
Lead sponsor
Transcend Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
26
States / cities
Little Rock, Arkansas • La Jolla, California • Los Angeles, California + 23 more
Conditions
Advanced Endometrial Carcinoma, Recurrent Endometrial Carcinoma
Interventions
Bevacizumab, Biospecimen Collection, Carboplatin, Computed Tomography, Magnetic Resonance Imaging, Paclitaxel, Pembrolizumab
Biological · Procedure · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
187
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fayetteville, Arkansas + 149 more
Conditions
Endometrial Cancer, Malignant Solid Tumour
Interventions
Doxorubicin, Paclitaxel, Puxitatug Samrotecan
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older · Female only
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
66
States / cities
Tucson, Arizona • La Jolla, California • Los Angeles, California + 57 more
Conditions
Cachexia, Metastatic Pancreatic Ductal Adenocarcinoma
Interventions
placebo, ponsegromab
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
982 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
48
States / cities
Birmingham, Alabama • Bryant, Arkansas • Conway, Arkansas + 27 more
Conditions
Bladder Cancer, Cervical Cancer, Esthesioneuroblastoma, Glioblastoma Multiforme, Large Cell Neuroendocrine Carcinoma of the Lung, Medullary Thyroid Cancer, Melanoma, Merkel Cell Carcinoma, Non Small Cell Lung Cancer, Sinonasal Undifferentiated Carcinoma, Testicular Cancer
Interventions
Concurrent Radiation Therapy, Sequential Radiation therapy, Tarlatamab
Radiation · Drug
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 99 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
2
States / cities
Tucson, Arizona • Seattle, Washington
Conditions
Fallopian Tube Cancer, Ovarian Cancer, Primary Peritoneal Cancer
Interventions
Bevacizumab, Cemiplimab, Fianlimab, PLD, Sarilumab, Ubamatamab
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
21
States / cities
Birmingham, Alabama • La Jolla, California • Los Angeles, California + 17 more
Conditions
Borderline Resectable Pancreatic Adenocarcinoma, Locally Advanced Pancreatic Adenocarcinoma, Pancreatic Cancer, Pancreatic Ductal Adenocarcinoma
Interventions
PTM-101
Drug
Lead sponsor
PanTher Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
6
States / cities
Newport Beach, California • Detroit, Michigan • Lake Success, New York + 3 more
Conditions
Metastatic Castration-Resistant Prostate Cancer
Interventions
Enzalutamide, PF-06821497, Placebo
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
44
States / cities
Chandler, Arizona • Gilbert, Arizona • Glendale, Arizona + 29 more
Conditions
Graft-versus-host Disease (GVHD)
Interventions
Cyclophosphamide, Methotrexate (MTX), Mycophenolate mofetil (MMF), Ruxolitinib (Rux), Tacrolimus (Tac)
Drug
Lead sponsor
Incyte Corporation
Industry
Eligibility
18 Years and older
Enrollment
572 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
30
States / cities
Palo Alto, California • San Francisco, California • Miami, Florida + 23 more
Conditions
Large B-cell Lymphoma
Interventions
Cyclophosphamide, Fludarabine, Foresight CLARITY™ IUO MRD test, powered by PhasED-Seq™, cemacabtagene ansegedleucel
Drug · Device · Genetic
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
58
States / cities
Gilbert, Arizona • Hot Springs, Arkansas • Berkeley, California + 47 more
Conditions
Lung Non-Small Cell Carcinoma, Stage II Lung Cancer AJCC v8, Stage IIIA Lung Cancer AJCC v8, Stage IIIB Lung Cancer AJCC v8
Interventions
Biospecimen Collection, Computed Tomography, Durvalumab, Patient Observation, Questionnaire Administration
Procedure · Biological · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2039
U.S. locations
230
States / cities
Jonesboro, Arkansas • Beverly Hills, California • Loma Linda, California + 186 more
Conditions
Acute Myeloid Leukemia
Interventions
Azacitidine, Biospecimen Collection, Bone Marrow Aspiration, Bone Marrow Biopsy, Gilteritinib, Venetoclax
Drug · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
219
States / cities
Tucson, Arizona • Little Rock, Arkansas • Berkeley, California + 175 more