Location · Seattle, WA
Clinical trials in Seattle, WA
401 recruiting studies have a site in the Seattle area, and 104 of them accept healthy volunteers. The area includes Bellevue, Kirkland, Redmond, Renton, Everett, Tacoma and nearby cities.
401 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteersPhase 1/Phase 2
Phase 1/2 Study of Respiratory Syncytial Virus and Human Metapneumovirus (RSV+HMPV) Vaccine Candidate in Adults 60 Years of Age and Older
Sanofi
- Location
- Gadsden, AL + 49 other US sites
- Eligibility basics
- Ages 60+
- RecruitingHealthy volunteersPhase 1/Phase 2
A Study of Investigational RSV/hMPV Combination and Investigational hMPV Vaccines in Younger and Older Adults
GlaxoSmithKline
- Location
- Stockbridge, GA + 2 other US sites
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersPhase 1/Phase 2
A Study on the Safety and Immune Response of a Urinary Tract Infection (UTI) Vaccine in Adults 18-64 Years of Age and Clinical Efficacy in Females 18-64 Years of Age
GlaxoSmithKline
- Location
- Lenexa, KS + 5 other US sites
- Eligibility basics
- Ages 18–64
- RecruitingHealthy volunteersPhase 1/Phase 2
Study of VGA039 in Healthy Volunteers and Patients With Von Willebrand Disease (VIVID)
Vega Therapeutics, Inc
- Location
- Los Angeles, CA + 9 other US sites
- Eligibility basics
- Ages 12–60
- RecruitingHealthy volunteersPhase 1
KABAWIL: Reducing Intersectional Stigmas
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1/Phase 2
Chemotherapy (Decitabine in Combination With FLAG-Ida) and Total-Body Irradiation Followed by Donor Stem Cell Transplant for the Treatment of Adults With Myeloid Malignancies at High Risk of Relapse
Fred Hutchinson Cancer Center
- Location
- Seattle, WA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4Overnight stay mentioned
Simethicone as Part of ERAS in Bariatric Surgery Patients
Madigan Army Medical Center
- Location
- Tacoma, WA
- Eligibility basics
- Ages 18–89
- RecruitingHealthy volunteersPhase 3
A Study of Aleniglipron in Adults With Obesity or Overweight and Type 2 Diabetes Mellitus (ACCOMPLISH-2)
Gasherbrum Bio, Inc., a wholly owned subsidiary of Structure Therapeutics
- Location
- Birmingham, AL + 55 other US sites
- Eligibility basics
- Ages 18–79
- RecruitingHealthy volunteersPhase 3
A Phase 3 Study of Revaccination in Subsequent Pregnancies With Bivalent RSV Vaccine and Duration of Protection of a Single Dose
Pfizer
- Location
- Birmingham, AL + 76 other US sites
- Eligibility basics
- Ages 0 mo+
- RecruitingHealthy volunteers
Contraceptive Efficacy Study of Ovaprene
Daré Bioscience, Inc.
- Location
- Phoenix, AZ + 3 other US sites
- Eligibility basics
- Ages 18–40 · Women only
- RecruitingHealthy volunteers
Observational Study of Decentralized Urine Optical Interaction Patterns Associated With Environmental Microplastic and Nanoplastic Exposure
Ecotera Health LLC
- Location
- Birmingham, AL + 50 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Metatranscriptomic Markers of Colonic Neoplasia
Viome
- Location
- Bothell, WA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Comparative Self-collection for Cervical Cancer Screening Pivotal Study
Mel Mont Medical
- Location
- Phoenix, AZ + 10 other US sites
- Eligibility basics
- Ages 25–65 · Women only
- RecruitingHealthy volunteersPhase 2
Effects of NLS-133, a Potential Non-Hormonal "On-Demand" Male Contraceptive
Next Life Sciences
- Location
- Seattle, WA
- Eligibility basics
- Ages 18–55 · Men only
- RecruitingHealthy volunteers
Development of a Quantifiable Ultrasound Biomarker for Hepatic Steatosis
ContextVision AB
- Location
- Seattle, WA
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
Collection and Analyses of Physiological, Physical, and Molecular Data From a Diverse Population
Viome
- Location
- Bothell, WA
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Analysis of Human Movement With Assistive Devices
Orthocare Innovations, LLC
- Location
- Edmonds, WA
- Eligibility basics
- Ages 18–90
- Recruiting
Assessment of CCM in HF With Higher Ejection Fraction
Impulse Dynamics
- Location
- Birmingham, AL + 64 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Study to Evaluate Safety, Efficacy and Pharmacokinetics (PK) of a Modified Regimen of Ublituximab
TG Therapeutics, Inc.
- Location
- Birmingham, AL + 35 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 3
A Long-Term Study of Elafibranor in Adult Participants With Primary Biliary Cholangitis
Ipsen
- Location
- Tucson, AZ + 26 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Study to Evaluate the Efficacy and Safety of Tulisokibart (MK-7240) in Participants With Moderate to Severe Crohn's Disease (MK-7240-008)
Merck Sharp & Dohme LLC
- Location
- Sun City, AZ + 70 other US sites
- Eligibility basics
- Ages 16–80
- RecruitingPhase 2
A Study to Evaluate the Pharmacokinetics, Pharmacodynamics, Safety and Tolerability of Inebilizumab in Children With Generalized Myasthenia Gravis (gMG)
Amgen
- Location
- Chicago, IL + 3 other US sites
- Eligibility basics
- Ages 2–17
- Recruiting
GORE® TAG® Thoracic Branch Endoprosthesis Zone 0/1 Post-Approval Study
W.L.Gore & Associates
- Location
- Scottsdale, AZ + 21 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
A Study to Learn About the Effects of Felzartamab Infusions in Adults With Kidney Transplants Who Have Late Isolated Microvascular Inflammation
Biogen
- Location
- Loma Linda, CA + 24 other US sites
- Eligibility basics
- Ages 18–74