Browse by Condition in Seattle
And 46 more conditions with trials in Seattle
Recruiting Clinical Trials in Seattle
NCT04621877 · University of Washington
Lay-Delivered Behavioral Activation in Senior Centers
NCT05568719 · Phase 3 · Pfizer
Safety and Effectiveness of Giroctocogene Fitelparvovec or Fidanacogene Elaparvovec in Patients With Hemophilia A or B Respectively
NCT05365581 · Phase 1 · Astellas Pharma Global Development, Inc.
A Study of ASP2138 Given by Itself or Given With Other Cancer Treatments in Adults With Stomach Cancer, Gastroesophageal Junction Cancer, or Pancreatic Cancer
NCT06158854 · Phase 1/2 · AbbVie
A Study to Assess Change in Disease Activity and Adverse Events (AE)s in Adult Participants With Immunoglobulin Light Chain (AL) Amyloidosis Receiving Etentamig (ABBV-383) as an Intravenous (IV) Infusion
NCT06771219 · Phase 1 · Solve Therapeutics
SLV-154 Treatment of Metastatic Solid Tumors
NCT04239703 · University of Alberta
Trifecta-Kidney cfDNA-MMDx Study
NCT04294927 · University Medical Center Nijmegen
TUBectomy With Delayed Oophorectomy in High Risk Women to Assess the Safety of Prevention
NCT04305691 · Phase 2 · AIDS Malignancy Consortium
Trial of Ixazomib for Kaposi Sarcoma
NCT04706663 · National Cancer Institute (NCI)
Precision-Based Genomics in Prostate Cancer
NCT04949464 · AIDS Malignancy Consortium
Impact of Behavior Modification Interventions and Lung Cancer Screening on Smoking Cessation in People Living With HIV: A Feasibility Study
NCT05287451 · M.D. Anderson Cancer Center
Risk Reducing Salpingectomy With Delayed Oophorectomy as an Alternative to Risk- Reducing Salpingo-oophorectomy in High Risk-Women to Assess the Safety of Prevention - US Cohort Study
NCT06526819 · Phase 1/2 · Sumitomo Pharma America, Inc.
SMP-3124LP in Adults With Advanced Solid Tumors
Top Study Sponsors in Seattle
| Sponsor | Recruiting studies |
|---|---|
| University of Washington | 130 |
| Fred Hutchinson Cancer Center | 54 |
| Seattle Children's Hospital | 23 |
| VA Office of Research and Development | 12 |
| Novartis Pharmaceuticals | 8 |
| Bristol-Myers Squibb | 5 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 5 |
| BeOne Medicines | 4 |
Trials in Seattle by Phase
| Phase | Studies |
|---|---|
| Early Phase 1 | 5 |
| Phase 1 | 63 |
| Phase 1/2 | 49 |
| Phase 2 | 106 |
| Phase 2/3 | 2 |
| Phase 3 | 16 |
| Phase 4 | 18 |
| Not phased | 239 |
74 of these studies accept healthy volunteers.
Clinical Trials in Seattle: Common Questions
How many clinical trials are recruiting in Seattle, WA?
498 clinical trials list a recruiting site in Seattle, WA, across 76 conditions on HelloStudys. Counts update daily from ClinicalTrials.gov.
What conditions are being studied in Seattle?
The most active research areas in Seattle right now are leukemia, rheumatoid arthritis, pulmonary embolism. Browse by condition above to see each study.
Who sponsors clinical trials in Seattle?
The sponsors with the most recruiting studies in Seattle include University of Washington, Fred Hutchinson Cancer Center, Seattle Children's Hospital.
Are there clinical trials for healthy volunteers in Seattle?
Yes. 74 of the recruiting studies in Seattle accept healthy volunteers.
Does it cost anything to join a clinical trial?
Study-related visits, tests and treatment are typically provided at no cost to participants, and some studies reimburse travel or time. Each study sets its own terms, so confirm with the study team before enrolling.
About Clinical Trials in Seattle, WA
Seattle, WA is home to 498 actively recruiting clinical trials across 76 medical conditions as of 2026. The most active research areas include leukemia, rheumatoid arthritis, pulmonary embolism. Clinical trials offer free access to new treatments and expert medical care. Participation is always voluntary, and you can withdraw at any time.