There are currently 1248 clinical trials in Seattle, Washington looking for participants to engage in research studies. Trials are conducted at various facilities, including University of Washington, Seattle Children's Hospital, Fred Hutchinson Cancer Research Center and University of Washington Medical Center. Whether you're a healthy volunteer looking to participate in paid medical research or seeking trials related to a specific condition, the city provides a diverse range of opportunities near you.
Edwards PASCAL Transcatheter Valve Repair System Pivotal Clinical Trial
Recruiting
To establish the safety and effectiveness of the Edwards PASCAL Transcatheter Repair System in patients with symptomatic severe tricuspid regurgitation who have been determined to be at an intermediate or greater estimated risk of mortality with tricuspid valve surgery by the cardiac surgeon with concurrence by the local Heart Team
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/31/2025
Locations: Virginia Mason Medical Center, Seattle, Washington +1 locations
Conditions: Tricuspid Regurgitation, Tricuspid Valve Insufficiency, Tricuspid Valve Disease
A Study to Evaluate the Pharmacokinetics, Safety, and Effectiveness of Certolizumab Pegol in Children With Moderate to Severe Chronic Plaque Psoriasis
Recruiting
The purpose of the study is to evaluate the pharmacokinetic (PK) of certolizumab pegol (CZP) in study participants aged 6 to 17 years with moderate to severe chronic plaque psoriasis (PSO) in order to support extrapolation of efficacy.
Gender:
ALL
Ages:
Between 6 years and 17 years
Trial Updated:
07/31/2025
Locations: Ps0007 50227, Seattle, Washington
Conditions: Moderate Chronic Plaque Psoriasis, Severe Chronic Plaque Psoriasis, Mixed Guttate/Plaque Psoriasis
A Study to Evaluate Mezigdomide, Bortezomib and Dexamethasone (MEZIVd) Versus Pomalidomide, Bortezomib and Dexamethasone (PVd) in Participants With Relapsed or Refractory Multiple Myeloma (RRMM)
Recruiting
The purpose of this study is to compare the efficacy and safety of mezigdomide (CC-92480), bortezomib and dexamethasone (MeziVd) versus pomalidomide, bortezomib and dexamethasone (PVd) in participants with relapsed or refractory multiple myeloma (RRMM) who received between 1 to 3 prior lines of therapy and who have had prior lenalidomide exposure.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/31/2025
Locations: VA Puget Sound Health Care System, Seattle, Washington +1 locations
Conditions: Relapsed or Refractory Multiple Myeloma
A Phase 3B Study to Evaluate Bone Mineral Density With Long-Term Use of Relugolix Combination Tablet in Women With Uterine Fibroids or Endometriosis
Recruiting
The purpose of this clinical trial to characterize changes in bone mineral density during continuous treatment with relugolix combination tablet for up to 48 months (4 years) and 1 year of post-treatment follow-up in premenopausal women with heavy menstrual bleeding associated with uterine leiomyomas (fibroids) or with moderate-to-severe pain associated with endometriosis.
Gender:
FEMALE
Ages:
Between 18 years and 50 years
Trial Updated:
07/31/2025
Locations: Seattle, Seattle, Washington
Conditions: Uterine Fibroids, Endometriosis
PO vs IV Antibiotics for the Treatment of Infected Nonunion of Fractures After Fixation
Recruiting
This is a Phase III clinical randomized control trial to investigate differences between patient with an infected nonunion treated by PO vs. IV antibiotics. The study population will be 250 patients, 18 years or older, being treated for infected nonunion after internal fixation of a fracture with a segmental defect less than one centimeter. Patients will be randomly assigned to either the treatment (group 1) PO antibiotics for 6 weeks or the control group (group 2) IV antibiotics for 6 weeks. Th... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/31/2025
Locations: University of Washington Harborview Medical Center, Seattle, Washington
Conditions: Infections, Infected Wound, Nonunion of Fracture, Injury Leg, Amputation, Internal Fixation; Complications, Infection or Inflammation, Fracture, Lower Extremity Fracture, Antibiotic Side Effect
Phase III, Open-label Study of First-line Osimertinib With or Without Datopotamab Deruxtecan for EGFRm Locally Advanced or Metastatic Non-small Cell Lung Cancer
Recruiting
The purpose of this study is to evaluate efficacy and safety of osimertinib (tablet) in combination with Dato-DXd (i.v. infusion) compared with osimertinib (tablet) monotherapyas a first-line therapy in participants with locally advanced or metastatic EGFRm (Ex19del and/or L858R) NSCLC. Study details include: 1. The study duration will be event-driven, with an estimated duration of approximately 9 years. 2. Participants may receive study treatment until disease progression, unacceptable toxici... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/31/2025
Locations: Research Site, Seattle, Washington
Conditions: Non-small Cell Lung Cancer
Study to Evaluate the Effect of Balcinrenone/Dapagliflozin in Patients With Heart Failure and Impaired Kidney Function
Recruiting
This is a Phase III, international, multi-centre, randomised, double-blind, parallel-group, double-dummy, active-controlled, event-driven study in patients with chronic HF and impaired kidney function who had a recent HF event. The aim is to evaluate the effect of balcinrenone/dapagliflozin vs dapagliflozin, given once daily on top of other classes of SoC, on CV death and HF events.
Gender:
ALL
Ages:
Between 18 years and 130 years
Trial Updated:
07/31/2025
Locations: Research Site, Seattle, Washington
Conditions: Heart Failure and Impaired Kidney Function
Study to Evaluate Safety, Efficacy and Pharmacokinetics (PK) of a Modified Regimen of Ublituximab
Recruiting
The primary purpose of this phase 3b study is to assess the efficacy of a modified regimen of ublituximab as measured by T1 Gadolinium (Gd)-enhancing lesions and pharmacokinetics in participants with Relapsing Multiple Sclerosis (RMS). The study consists of 2 parts: Part A is single-armed and open-label and Part B is randomized, double-blind, placebo-controlled.
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
07/31/2025
Locations: TG Therapeutics Investigational Trial Site, Seattle, Washington
Conditions: Relapsing Multiple Sclerosis
A Study of PARG Inhibitor ETX-19477 in Patients With Advanced Solid Malignancies
Recruiting
This is a two-part, open-label, multicenter, dose escalation and dose expansion study designed to evaluate the safety, tolerability, pharmacokinetics (PK), pharmacodynamics (PDx), and anti- tumor activity of ETX-19477, a novel reversible small molecule inhibitor of PARG.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/31/2025
Locations: Fred Hutchinson Cancer Center, Seattle, Washington
Conditions: Advanced or Metastatic Solid Tumors, Breast Cancer, Ovarian Cancer, Prostate Cancer, Epithelial Ovarian Cancer, BRCA2 Mutation, ER+ Breast Cancer, Castrate Resistant Prostate Cancer, BRCA1 Mutation, BRCA Mutation, Endometrial Cancer, Colorectal Cancer, Gastric Cancer
Registry Study to Observe Long-term Safety of Vamorolone (AGAMREE®) in Patients With Duchenne Muscular Dystrophy.
Recruiting
The goal of this observational study is to follow patients being treated with the FDA approved drug AGAMREE® in male patients 2 years of age or older with Duchenne's Muscular Dystrophy for long term safety and quality of life.
Gender:
MALE
Ages:
2 years and above
Trial Updated:
07/31/2025
Locations: Seattle Children's Hospital, Seattle, Washington
Conditions: Duchenne Muscular Dystrophy
A Phase III Study of AZD0780 on Major Adverse CV Events in Patients With a History of ASCVD Events or at High Risk for a First Event
Recruiting
The purpose of this phase 3, randomized, placebo controlled, event-driven study is to assess the effect of AZD0780, an oral PCSK9 inhibitor, compared with placebo in reducing the risk of MACE-PLUS in patients with established ASCVD or at high risk for a first ASCVD event. The effect of AZD0780 vs placebo on the risk of MACE-PLUS will be evaluated from randomisation until the primary analysis censoring date (PACD). The Study Closure Visit will be scheduled to occur after the PACD and will be the... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/31/2025
Locations: Research Site, Seattle, Washington
Conditions: Cardiovascular Disease
Phase 3 Study of Xaluritamig vs Cabazitaxel or Second Androgen Receptor-Directed Therapy in Participants With Progressive Metastatic Castration-Resistant Prostate Cancer (XALute)
Recruiting
The main objective of the study is to compare overall survival in participants receiving xaluritamig versus investigator's choice (cabazitaxel or second androgen receptor-directed therapy \[ARDT\]).
Gender:
MALE
Ages:
18 years and above
Trial Updated:
07/31/2025
Locations: Swedish Medical Center, Seattle, Washington
Conditions: Metastatic Castration-resistant Prostate Cancer