Independent directory Public ClinicalTrials.gov records United States
Location Directory

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, 6:34 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
Shown on this page
12
Current sort
Recently updated
Location scope
Seattle, WA
Filters apply within this location only.

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

Filter and sort this location

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.

Reset location filters
Clear filters
Showing 601–612 of 11,419 matching trials in Seattle, WA.
Live ClinicalTrials.gov results.
Local directory summary panels are hidden while filters are applied so the page stays focused on the filtered live results.

Institutions in Seattle

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

Live official records

Open in full search
Conditions
Anxiety, Depression, Hematopoietic and Lymphatic System Neoplasm, Metastatic Malignant Solid Neoplasm
Interventions
Psychotherapy, Psilocybin, Survey Administration
Behavioral · Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 85 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Aortic Regurgitation, Aortic Valve Insufficiency, Aortic Insufficiency
Interventions
Transcatheter Aortic Valve Replacement (TAVR) using Trilogy THV System, SAVR
Device
Lead sponsor
JenaValve Technology, Inc.
Industry
Eligibility
Not listed
Enrollment
1,016 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2036
U.S. locations
40
States / cities
Burlingame, California • La Jolla, California • Los Angeles, California + 32 more
Conditions
Human Papillomavirus-Related Carcinoma
Interventions
Best Practice, Educational Intervention, Interview, Questionnaire Administration, Training and Education, Vaccination
Other · Behavioral · Procedure
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1,900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
University Park, Pennsylvania • Seattle, Washington
Conditions
Chronic Kidney Disease, CKD, Cardiac Disease, Cardiopulmonary Bypass
Interventions
Placebo, Ravulizumab
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 90 Years
Enrollment
555 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
16
States / cities
Orange, California • San Francisco, California • Stanford, California + 13 more
Active, not recruiting Not applicable Interventional Results available

CLIP-IT Post-Market Study

NCT06203054
Conditions
Left Atrial Appendage Exclusion
Interventions
Penditure™ Left Atrial Appendage (LAA) Exclusion System
Device
Lead sponsor
Medtronic Cardiac Surgery
Industry
Eligibility
18 Years and older
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
15
States / cities
Atlanta, Georgia • Chicago, Illinois • Carmel, Indiana + 12 more
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

PREVENT HPV -Related Cancers Trial

NCT07217145
Conditions
HPV Vaccination, Uptake Vaccination, Series Completion
Interventions
PREVENT
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
1,455 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Active, not recruiting Not applicable Interventional

J-Valve Transfemoral Pivotal Study

NCT06455787
Conditions
Aortic Valve Regurgitation, Aortic Valve Disease Mixed
Interventions
J-Valve Transfemoral (TF) System
Device
Lead sponsor
JC Medical, Inc., an affiliate of Edwards Lifesciences LLC
Industry
Eligibility
18 Years and older
Enrollment
194 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2032
U.S. locations
35
States / cities
Phoenix, Arizona • Scottsdale, Arizona • La Jolla, California + 27 more
Conditions
Tuberous Sclerosis Complex, Epilepsy
Interventions
Sirolimus, Placebo
Drug
Lead sponsor
Darcy Krueger
Other
Eligibility
1 Day to 6 Months
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
8
States / cities
Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 5 more
Conditions
HEPATITIS C VIRUS CHRONIC INFECTION
Interventions
Bemnifosbuvir-Ruzasvir (BEM/RZR), Sofosbuvir-Velpatasvir (SOF/VEL)
Drug
Lead sponsor
Atea Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
940 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
96
States / cities
Birmingham, Alabama • Dothan, Alabama • Chandler, Arizona + 84 more
Conditions
Carcinoma, Ovarian Epithelial, Ovarian Neoplasms, Fallopian Tube Neoplasms, Peritoneal Neoplasms, Neoplasms, Glandular and Epithelial, Ovarian Diseases, Genital Neoplasm, Female, Abdominal Neoplasm, Recurrence
Interventions
AB-1015
Biological
Lead sponsor
Arsenal Biosciences, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
8
States / cities
San Francisco, California • Aurora, Colorado • Iowa City, Iowa + 5 more
Conditions
Resectable Pancreatic Ductal Adenocarcinoma, Borderline Resectable Pancreatic Ductal Adenocarcinoma, Locally Advanced Pancreatic Ductal Adenocarcinoma
Interventions
Samuraciclib, Computed Tomography, Endoscopic Ultrasound Biopsy, Biospecimen Collection
Drug · Procedure
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Focal Seizures
Interventions
CBD-OS
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
12 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
24
States / cities
Phoenix, Arizona • La Jolla, California • New Haven, Connecticut + 20 more