Location · Washington
Clinical trials recruiting in Washington
461 recruiting studies have at least one site in Washington; 121 accept healthy volunteers. Studies that need a specific condition are included too, so check each listing.
Want the research companies that run paid Phase 1 studies for healthy volunteers? Paid clinical trial companies in Washington.
461 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingPhase 3
A Double-blind, Randomized Controlled Trial to Investigate the Efficacy, Safety, and Pharmacokinetics of Pegloticase Administration Via Subcutaneous and Intravenous Routes Both With Methotrexate in Participants With…
Amgen
- Location
- Bellevue, WA + 73 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Study to Determine if BHV-1300 is Effective and Safe in Adults With Graves' Disease
Biohaven Therapeutics Ltd.
- Location
- Seattle, WA + 52 other US sites
- Eligibility basics
- Ages 18–70
- RecruitingPhase 3
A Study of a Deuterated Psilocin Analog (CYB003) in Humans With Major Depressive Disorder
Cybin IRL Limited
- Location
- Seattle, WA + 27 other US sites
- Eligibility basics
- Ages 18–85
- RecruitingPhase 3
A Maintenance Study to Investigate the Efficacy and Safety of Duvakitug in Participants With Moderately to Severely Active Ulcerative Colitis
Sanofi
- Location
- Vancouver, WA + 36 other US sites
- Eligibility basics
- Ages 16–80
- RecruitingPhase 3
Evaluation of IV AMBTX-01 (Neridronate) for Treatment of CRPS Type 1 (CRPS-RISE)
Ambros Therapeutics, Inc.
- Location
- Seattle, WA + 29 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Pridopidine Phase 3 Study in Huntington's Disease
Prilenia
- Location
- Seattle, WA + 8 other US sites
- Eligibility basics
- Ages 23–65
- RecruitingPhase 2/Phase 3
RESET-Myositis: An Open-Label Study to Evaluate the Safety and Efficacy of CABA-201 in Subjects With Active Idiopathic Inflammatory Myopathy or Juvenile Idiopathic Inflammatory Myopathy
Cabaletta Bio
- Location
- Seattle, WA + 29 other US sites
- Eligibility basics
- Ages 6–75
- RecruitingPhase 3
A Study to Evaluate the Efficacy and Safety of Dapirolizumab Pegol in Study Participants With Moderately to Severely Active Systemic Lupus Erythematosus
UCB Biopharma SRL
- Location
- Spokane Valley, WA + 61 other US sites
- Eligibility basics
- Ages 16+
- RecruitingPhase 3
Evaluation of Efficacy and Safety of Suzetrigine for Pain Associated With Diabetic Peripheral Neuropathy
Vertex Pharmaceuticals Incorporated
- Location
- Bellevue, WA + 57 other US sites
- Eligibility basics
- Ages 18–80
- RecruitingPhase 4
Efanesoctocog Alfa Prophylaxis in Patients With Hemophilia A With Synovial Hypertrophy
Sanofi
- Location
- Seattle, WA + 2 other US sites
- Eligibility basics
- Ages 12+
- Recruiting
Clinical Study to Evaluate the Safety and Effectiveness of Arcevo LSA
Artivion Inc.
- Location
- Seattle, WA + 21 other US sites
- Eligibility basics
- Ages 18–80
- RecruitingPhase 3
A Phase 3 Study of Fenfluramine Hydrochloride in Rett Syndrome
UCB BIOSCIENCES, Inc.
- Location
- Seattle, WA + 7 other US sites
- Eligibility basics
- Ages 5–35
- RecruitingPhase 2
A Study of GS-3242 in Combination With Lenacapavir Versus Biktarvy in Virologically Suppressed People With HIV-1
Gilead Sciences
- Location
- Seattle, WA + 40 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
A Study to Optimize Subretinal Surgical Delivery and to Evaluate Safety and Activity of Opregen in Participants With Geographic Atrophy Secondary to Age-Related Macular Degeneration (GAlette);
Genentech, Inc.
- Location
- Spokane, WA + 14 other US sites
- Eligibility basics
- Ages 50+
- RecruitingPhase 3
A Study of Zasocitinib in Adults With Psoriatic Arthritis Who Have Not Taken Biologic Medicines
Takeda
- Location
- Spokane, WA + 45 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Study to Learn About the Study Medicine Ibuzatrelvir in Adults With COVID-19 Who Are Severely Immunocompromised
Pfizer
- Location
- Seattle, WA + 68 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Study of JNJ-78934804 in Participants With Moderately to Severely Active Crohn's Disease
Janssen Research & Development, LLC
- Location
- Tacoma, WA + 21 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
A Study to Evaluate the Effectiveness of DT-101 as an Adjunctive Treatment in Patients With Depression
Draig Therapeutics Ltd
- Location
- Bellevue, WA + 19 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 3
A Study to Evaluate Efficacy, Safety, and Immunogenicity With ABP 938 8 mg Versus EYLEA® HD (Aflibercept) in Participants With Neovascular Age-related Macular Degeneration
Amgen
- Location
- Bellevue, WA + 54 other US sites
- Eligibility basics
- Ages 50+
- RecruitingPhase 3
A Study to Test Whether Survodutide Helps People With Type 2 Diabetes Control Their Blood Sugar
Boehringer Ingelheim
- Location
- Redmond, WA + 56 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2/Phase 3
Open-label Study of ELA026 in Participants With Secondary Hemophagocytic Lymphohistiocytosis (sHLH)
Electra Therapeutics Inc.
- Location
- Seattle, WA + 16 other US sites
- Eligibility basics
- Ages 6+
- RecruitingPhase 3
Evaluating the Efficacy and Safety of PT027 Compared With PT007 Administered As Needed in Participants 12 to < 18 Years of Age With Asthma
AstraZeneca
- Location
- Vancouver, WA + 70 other US sites
- Eligibility basics
- Ages 12–17
- RecruitingPhase 3
Study With Omecamtiv Mecarbil (CK-1827452) to Treat Chronic Heart Failure With Severely Reduced Ejection Fraction
Cytokinetics
- Location
- Spokane, WA + 80 other US sites
- Eligibility basics
- Ages 18–85
- RecruitingPhase 3
A Study to Investigate Efficacy and Safety of Teplizumab Compared With Placebo in Participants 1 to 25 Years of Age With Stage 3 Type 1 Diabetes
Sanofi
- Location
- Seattle, WA + 33 other US sites
- Eligibility basics
- Ages 1–25