Washington is currently home to 1707 active clinical trials, seeking participants for engagement in research studies. These trials take place at a variety of cities in the state, including Seattle, Spokane, Tacoma and Vancouver. Whether you're a healthy volunteer interested in paid medical research or someone seeking trials related to a specific condition, the state offers a diverse array of opportunities in your vicinity.
Biliary Atresia Study in Infants and Children
Recruiting
Little is known about the factors that cause biliary atresia nor the factors that influence disease progression. The purpose of this study is to collect the pertinent clinical information, genetic material and body fluid samples to enable investigators to address the following aims: To identify the gene or genes implicated in the etiology of BA; To identify polymorphisms that may be important in disease progression such as HLA polymorphisms; To characterize the natural history of the older, non-... Read More
Gender:
ALL
Ages:
Between 6 months and 20 years
Trial Updated:
05/19/2025
Locations: Seattle Children's Hospital, Seattle, Washington
Conditions: Biliary Atresia
Pompe Disease Registry Protocol
Recruiting
The Pompe Registry is a global, multicenter, international, longitudinal, observational, and voluntary program for patients with Pompe disease, designed to track the disease's natural history and outcomes in patients, both treated and not. Data from the Registry are also used to fulfill various global regulatory commitments, to support product development/reimbursement, and for other research and non-research related purposes. The objectives of the Registry are: * To enhance understanding of t... Read More
Gender:
ALL
Ages:
All
Trial Updated:
05/19/2025
Locations: Seattle Children's Hospital- Site Number : 840028, Seattle, Washington
Conditions: Glycogen Storage Disease Type II, Pompe Disease
A Prospective Database of Infants With Cholestasis
Recruiting
Biliary atresia, idiopathic neonatal hepatitis, and specific genetic cholestatic conditions are the most common causes of jaundice and hyperbilirubinemia that continue beyond the newborn period. The long term goal of the Childhood Liver Disease Research Network (ChiLDReN) is to establish a database of clinical information and plasma, serum, and tissue samples from cholestatic children to facilitate research and to perform clinical, epidemiological and therapeutic trials in these important pediat... Read More
Gender:
ALL
Ages:
6 months and below
Trial Updated:
05/19/2025
Locations: Seattle Children's Hospital, Seattle, Washington
Conditions: Biliary Atresia, Neonatal Cholestasis
A Study to Find and Confirm the Dose and Assess Safety, Reactogenicity and Immune Response of a Vaccine Against Pandemic H5N1 Influenza Virus in Healthy Younger and Older Adults
Recruiting
The aim of this study is to evaluate the safety, reactogenicity and immunogenicity of the Flu Pandemic messenger RNA (mRNA) vaccine (including dose-finding and dose-confirmation) administered in healthy adults 18 to 85 years of age.
Gender:
ALL
Ages:
Between 18 years and 85 years
Trial Updated:
05/18/2025
Locations: GSK Investigational Site, Seattle, Washington
Conditions: Influenza, Human
A Study to Investigate the Efficacy and Safety of Dupilumab Therapy Compared With Placebo in Participants Aged ≥18 Years With Moderately to Severely Active Ulcerative Colitis With an Eosinophilic Phenotype (LIBERTY-UC SUCCEED (Study in UC for Clinical Efficacy Evaluation of Dupilumab))
Recruiting
The protocol of this Phase 2 clinical trial consists of a double-blind, placebo-controlled, parallel-group, multicenter study to evaluate the efficacy and safety of dupilumab in participants with moderately to severely active Ulcerative Colitis (UC) with an eosinophilic phenotype. Screening period: 2 to up to 4 weeks Treatment period: 52-week investigational medicinal product (IMP) intervention (dupilumab or matching placebo) from Week 0 to Week 52 Open-label arm (optional): administration of... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/18/2025
Locations: Washington Gastroenterology - Bellevue- Site Number : 8400025, Bellevue, Washington
Conditions: Colitis Ulcerative
Investigation to Evaluate the Safety and Effectiveness of Cochlear Implantation in Children and Adults With Unilateral Hearing Loss/Single-sided Deafness
Recruiting
The aim of the study is to assess the continued efficacy and safety of cochlear implantation in participants aged 5 years and above with Unilateral Hearing Loss (UHL)/Single Sided Deafness (SSD) supporting a change indication for use.
Gender:
ALL
Ages:
5 years and above
Trial Updated:
05/18/2025
Locations: Virginia Mason Medical Center, Seattle, Washington
Conditions: Hearing Loss, Unilateral, Deafness, Unilateral
A Study to Investigate Efficacy and Safety of SAR441566 in Patients With Crohn's Disease.
Recruiting
This is a phase 2, multinational, multicenter, randomized, double-blind, placebo-controlled, dose-ranging study to evaluate the efficacy and safety of SAR441566 in adults with moderate to severe Crohn's Disease (CD). The primary objective of this study is to assess the efficacy of different doses of SAR441566 compared with placebo in participants with moderate to severe CD. This study will include a screening period of 4 weeks (+7 calendar days if needed), followed by the Main Study (MS) treatm... Read More
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
05/17/2025
Locations: Washington Gastroenterology - Tacoma- Site Number : 8400008, Tacoma, Washington
Conditions: Crohn's Disease
A Study of Retatrutide (LY3437943) in the Maintenance of Weight Reduction in Individuals With Obesity
Recruiting
This is a study of retatrutide in participants with obesity. The main purpose is to learn more about how retatrutide maintains body weight loss. The study will have two treatment phases: an 80 week lead-in phase in which all participants will take retatrutide dose 1 and a 36 week randomized, double-blinded phase in which participants will either take retatrutide dose 1, retatrutide dose 2, or switch to placebo. Participation in the study will last around 125 weeks.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/16/2025
Locations: Northwest Clinical Research Center, Bellevue, Washington
Conditions: Obesity
A Phase III Renal Outcomes and Cardiovascular Mortality Study to Investigate the Efficacy and Safety of Baxdrostat in Combination With Dapagliflozin in Participants With Chronic Kidney Disease and High Blood Pressure
Recruiting
International, Multicenter, Double-Blind, Placebo-Controlled and Event-driven study to assess efficacy, safety and Tolerability of Baxdrostat in combination with Dapagliflozin on renal outcomes and cardiovascular mortality in participants with chronic kidney disease and high blood pressure
Gender:
ALL
Ages:
Between 18 years and 130 years
Trial Updated:
05/16/2025
Locations: Research Site, Seattle, Washington
Conditions: Chronic Kidney Disease and Hypertension
A Study of the Efficacy and Safety of Brensocatib in Adults With Moderate to Severe Hidradenitis Suppurativa (HS)
Recruiting
The primary purpose of the study is evaluate the effect of brensocatib compared with placebo.
Gender:
ALL
Ages:
Between 18 years and 80 years
Trial Updated:
05/16/2025
Locations: USA008, Spokane, Washington
Conditions: Hidradenitis Suppurativa
Self-collection for HPV Testing to Improve Cervical Cancer Prevention (SHIP) Trial (LMI-001-A-S02)
Recruiting
This clinical trial evaluates the use of self-collected vaginal samples for human papillomavirus (HPV) testing in patients referred for a colposcopy and/or cervical excisional procedures to improve cervical cancer prevention. HPV is a common virus which usually causes infections that last only a few months, but sometimes can last longer. It is known to cause a variety of cancers including cancer of the cervix. Even though there are ways to detect cervical cancer early, many individuals do not un... Read More
Gender:
FEMALE
Ages:
25 years and above
Trial Updated:
05/16/2025
Locations: University of Washington Medical Center - Northwest, Seattle, Washington
Conditions: Cervical Carcinoma, Human Papillomavirus Infection
Self-collection for HPV Testing to Improve Cervical Cancer Prevention (SHIP) Trial (LMI-001-A-S03)
Recruiting
This clinical trial evaluates the use of self-collected vaginal samples for human papillomavirus (HPV) testing in patients referred for a colposcopy and/or cervical excisional procedures to improve cervical cancer prevention. HPV is a common virus which usually causes infections that last only a few months, but sometimes can last longer. HPV is known to cause a variety of cancers including cervical cancer. Even though there are ways to detect cervical cancer, many individuals are not diagnosed.... Read More
Gender:
FEMALE
Ages:
25 years and above
Trial Updated:
05/16/2025
Locations: University of Washington Medical Center - Northwest, Seattle, Washington
Conditions: Cervical Carcinoma, Human Papillomavirus Infection