Browse by Condition in Seattle
And 44 more conditions with trials in Seattle
About Clinical Trials in Seattle, WA
Seattle, WA is home to 517 actively recruiting clinical trials across 74 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.