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
Multicenter Study of Lumateperone for the Treatment of Irritability Associated With Autism Spectrum Disorder (ASD) in Pediatric Patients
Intra-Cellular Therapies, Inc.
- Location
- Everett, WA + 26 other US sites
- Eligibility basics
- Ages 5–17
- RecruitingPhase 3
A Study to Evaluate the Efficacy and Safety of Icotrokinra (JNJ-77242113) in Biologic-experienced and Biologic-naive Participants With Active Psoriatic Arthritis
Janssen Research & Development, LLC
- Location
- Seattle, WA + 20 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
NBI-1117568-SCZ3032: Long-Term Evaluation of NBI-1117568 in Adults With Schizophrenia
Neurocrine Biosciences
- Location
- Bellevue, WA + 44 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 2/Phase 3
A Study of Icotrokinra in Participants With Moderately to Severely Active Crohn's Disease
Janssen Research & Development, LLC
- Location
- Tacoma, WA + 53 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Protocol of Icotrokinra Therapy in Adult and Adolescent Participants With Moderately to Severely Active Ulcerative Colitis
Janssen Research & Development, LLC
- Location
- Tacoma, WA + 50 other US sites
- Eligibility basics
- Ages 12+
- RecruitingPhase 3
Efficacy of NBI-1117568 in Preventing Relapse in Adults With Schizophrenia
Neurocrine Biosciences
- Location
- Bellevue, WA + 18 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 3
A Study to Evaluate the Treatment Outcomes of Subcutaneous Anifrolumab in Immunosuppressant-naïve and Biologic-naïve Systemic Lupus Erythematosus
AstraZeneca
- Location
- Spokane, WA + 14 other US sites
- Eligibility basics
- Ages 18–70
- RecruitingPhase 3
A Study of Esketamine Nasal Spray Versus Placebo Spray in Adult Participants With Treatment-resistant Depression
Janssen Research & Development, LLC
- Location
- Bellevue, WA + 6 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Randomized Study in Children and Adolescents With Migraine: Acute Treatment
Pfizer
- Location
- Bellevue, WA + 69 other US sites
- Eligibility basics
- Ages 6–17
- RecruitingPhase 3
Long-term Safety Study of Rimegepant in Pediatric Subjects for the Acute Treatment of Migraine
Pfizer
- Location
- Bellevue, WA + 54 other US sites
- Eligibility basics
- Ages 6–17
- RecruitingPhase 3
Evaluation of Efficacy and Safety of Milsaperidone as Adjunctive Therapy in Patients With Major Depressive Disorder
Vanda Pharmaceuticals
- Location
- Bellevue, WA + 24 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 1/Phase 2
A Study of TSRA-196 in Adults With PiZZ Alpha-1 Antitrypsin Deficiency (AATD)
Tessera Therapeutics, Inc.
- Location
- Seattle, WA + 4 other US sites
- Eligibility basics
- Ages 18–70
- RecruitingPhase 3
AMAZE 1: A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People With Excess Body Weight Lose Weight
Novo Nordisk A/S
- Location
- Renton, WA + 21 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Efficacy and Safety Study of Ixoberogene Soroparvovec (Ixo-vec) in Participants With Neovascular Age-related Macular Degeneration (AQUARIUS)
Adverum Biotechnologies, Inc.
- Location
- Silverdale, WA + 78 other US sites
- Eligibility basics
- Ages 50+
- RecruitingPhase 2
A Master Protocol Study (LY900028) of Multiple Intervention-Specific-Appendices (ISAs) in Participants With Chronic Pain
Eli Lilly and Company
- Location
- Bellevue, WA + 34 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Study to Evaluate KarXT as a Treatment for Psychosis Associated With Alzheimer's Disease (ADEPT-4)
Karuna Therapeutics, Inc., a Bristol Myers Squibb company
- Location
- Bellevue, WA + 43 other US sites
- Eligibility basics
- Ages 55–90
- RecruitingPhase 2
A Study of Belumosudil in Children With Chronic Graft Versus Host Disease (schoolROCK)
Sanofi
- Location
- Seattle, WA + 6 other US sites
- Eligibility basics
- Ages 1–18
- RecruitingPhase 2
A Study of Brenipatide in Adults Who Quit Smoking Cigarettes and Want to Avoid Relapse
Eli Lilly and Company
- Location
- Redmond, WA + 16 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 3
A Study to Investigate the Efficacy, Safety and Tolerability of Votoplam in Participants With Huntington's Disease
Novartis Pharmaceuticals
- Location
- Seattle, WA + 39 other US sites
- Eligibility basics
- Ages 21–70
- RecruitingPhase 3
Open Label Study to Investigate the Safety and Efficacy of Ponesimod in Moderate-to-Severe Chronic Plaque Psoriasis
Vanda Pharmaceuticals
- Location
- Spokane, WA + 9 other US sites
- Eligibility basics
- Ages 18–65
- Recruiting
TVMR With the INNOVALVE System Trial - Early Feasibility Study
Edwards Lifesciences
- Location
- Seattle, WA + 18 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 4
A Study of Vedolizumab With Tofacitinib in Adults With Ulcerative Colitis (UC)
Takeda
- Location
- Tacoma, WA + 36 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 3
Study of Plozasiran in Adults With Severe Hypertriglyceridemia at Risk of Acute Pancreatitis
Arrowhead Pharmaceuticals
- Location
- Seattle, WA + 16 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
Low-dose Carbon Monoxide (HBI-002) Trial to Evaluate Safety, Tolerability, PK, and Biomarkers in Parkinson's Disease
Hillhurst Biopharmaceuticals, Inc.
- Location
- Spokane, WA + 4 other US sites
- Eligibility basics
- Ages 40–80