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
52 Week Study + 24-Month Long-Term Extension of Safety, PK, & Efficacy of XYOSTED® for Testosterone Replacement in Male Adolescents With Hypogonadism
Halozyme Therapeutics
- Location
- Seattle, WA + 19 other US sites
- Eligibility basics
- Ages 12–17 · Men only
- Recruiting
Endovascular Repair With Fenestrated TREO Stent-Graft System in AAA
Bolton Medical
- Location
- Seattle, WA + 3 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Trial of Setmelanotide in Patients With Congenital Hypothalamic Obesity (Sub-study of NCT05774756)
Rhythm Pharmaceuticals, Inc.
- Location
- Seattle, WA + 7 other US sites
- Eligibility basics
- Ages 4+
- RecruitingPhase 3
Study to Evaluate the Efficacy and Safety of Deuruxolitinib in Adolescents With Severe Alopecia Areata
Sun Pharmaceutical Industries, Inc.
- Location
- Lynnwood, WA + 53 other US sites
- Eligibility basics
- Ages 12–17
- RecruitingPhase 2
Study of ABX-002 for the Adjunctive Treatment of Major Depressive Disorder (AMPLIFY)
Autobahn Therapeutics, Inc.
- Location
- Bellevue, WA + 31 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 3
Randomized Withdrawal Study in Patients With Schizophrenia
Vanda Pharmaceuticals
- Location
- Bellevue, WA + 21 other US sites
- Eligibility basics
- Ages 18–65
- Recruiting
Evaluating Therapeutic Electrical Stimulation to Improve Nerve Healing After Surgical Repair of Digital Nerve Injuries
Checkpoint Surgical Inc.
- Location
- Seattle, WA + 4 other US sites
- Eligibility basics
- Ages 18–80
- Recruiting
Sirolimus Coated BALloon Versus Standard Balloon Angioplasty in The Treatment of Below The Knee Arterial Disease
Concept Medical Inc.
- Location
- Seattle, WA + 24 other US sites
- Eligibility basics
- Ages 21+
- RecruitingPhase 3
Assessment of the Safety and Efficacy of 0.1% RGN-259 Ophthalmic Solution for the Treatment of NK: SEER-2
ReGenTree, LLC
- Location
- Seatle, WA + 23 other US sites
- Eligibility basics
- Ages 18+
- Recruiting
PROGRESS: Management of Moderate Aortic Stenosis by Clinical Surveillance or TAVR
Edwards Lifesciences
- Location
- Seattle, WA + 49 other US sites
- Eligibility basics
- Ages 65+
- RecruitingPhase 3
Study to Assess the Efficacy and Safety of NBI-1065845 as an Adjunctive Treatment in Participants With Major Depressive Disorder (MDD)
Neurocrine Biosciences
- Location
- Everett, WA + 12 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Fontan Udenafil Exercise Longitudinal Assessment Trial - 2
Mezzion Pharma Co. Ltd
- Location
- Seattle, WA + 34 other US sites
- Eligibility basics
- Ages 12–18
- RecruitingPhase 2
A Study to Assess the Safety and Efficacy of LB-P8 in Patients With PSC
LISCure Biosciences
- Location
- Seattle, WA + 3 other US sites
- Eligibility basics
- Ages 18–75
- Recruiting
Tissue Reinforcement for Breast Reconstruction (TRBR) Pivotal Clinical Study (REDEFINE)
W.L.Gore & Associates
- Location
- Seattle, WA + 15 other US sites
- Eligibility basics
- Ages 22+ · Women only
- RecruitingPhase 3
Study of Navtemadlin add-on to Ruxolitinib in JAK Inhibitor-Naïve Patients With Myelofibrosis Who Have a Suboptimal Response to Ruxolitinib
Kartos Therapeutics, Inc.
- Location
- Seattle, WA + 57 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Paclitaxel Coated Balloon for the Treatment of Chronic bEnigN sTricture- Esophagus
GIE Medical
- Location
- Seattle, WA + 32 other US sites
- Eligibility basics
- Ages 22+
- RecruitingPhase 3
Paclitaxel Coated Balloon for the Treatment of Chronic bEnigN sTricture- Bowel
GIE Medical
- Location
- Seattle, WA + 30 other US sites
- Eligibility basics
- Ages 22+
- Recruiting
PIvotal Trial of the KARDION Cory P4 MechANical Circulatory SupporT SystEm
Kardion Inc
- Location
- Seattle, WA + 16 other US sites
- Eligibility basics
- Ages 18–90
- RecruitingPhase 1
Study of APG-2575 as a Single Agent or in Combination With Other Therapeutic Agents for CLL/SLL
Ascentage Pharma Group Inc.
- Location
- Seattle, WA + 6 other US sites
- Eligibility basics
- Ages 18–85
- Recruiting
Innoventric Trillium™ Stent Graft Early Feasibility Study (EFS)
Innoventric LTD
- Location
- Seattle, WA + 8 other US sites
- Eligibility basics
- Ages 18–85
- Recruiting
Viome Nutritional Programs to Improve Clinical Outcomes for Gastrointestinal Conditions
Viome
- Location
- Bothell, WA
- Eligibility basics
- Ages 25–75
- Recruiting
Viome Nutritional Programs to Improve Clinical Outcomes for Metabolic Conditions
Viome
- Location
- Bothell, WA
- Eligibility basics
- Ages 25–75
- Recruiting
Efficacy of Viome's Precision Nutrition Program Towards Reducing HbA1c
Viome
- Location
- Bothell, WA
- Eligibility basics
- Ages 18+
- Recruiting
Efficacy of Viome's Precision Nutrition Program Towards Reducing HbA1c
Viome
- Location
- Bothell, WA
- Eligibility basics
- Ages 18+