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Washington Paid Clinical Trials
A listing of 1722 clinical trials in Washington actively recruiting volunteers for paid trials and research studies in various therapeutic areas.
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Clinical Trial Phase
Washington is currently home to 1722 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.
Featured Trial
Paid Clinical Studies Nationwide
Recruiting
Nationwide clinical trials offered in your area. Some trials offering up to several thousand dollars in compensation for participation.
Featured Offer
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Recruiting
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As a valued user, you’re eligible for $100 off your first program with code policy-lab-100.
Conditions:
Overweight
Overweight and Obesity
Obesity
Weight Loss
Morbid Obesity
Bimatoprost as a Treatment for Graves' Orbitopathy
Recruiting
Testing whether Bimatoprost, a topical eye drop used for glaucoma, can be used to induce periorbital fat atrophy in patients with Graves' disease
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/14/2025
Locations: University of Washington, Seattle, Washington
Conditions: Graves Ophthalmopathy
Diagnostic and Therapeutic Applications of Microarrays in Liver Transplantation
Recruiting
INTERLIVER is a prospective observational study of the relationship of the molecular phenotype of 300 liver transplant biopsies to the histologic phenotype and the clinical features and outcomes. A segment of a biopsy performed as standard-of-care for indications, or by center protocol, will be used for gene expression study.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/14/2025
Locations: Division of Transplant Surgery, University of Washington, Seattle, Washington
Conditions: Liver Dysfunction
Observation or Radiation Therapy in Treating Patients With Newly Diagnosed Grade II Meningioma That Has Been Completely Removed by Surgery
Recruiting
This randomized phase III trial studies how well radiation therapy works compared with observation in treating patients with newly diagnosed grade II meningioma that has been completely removed by surgery. Radiation therapy uses high energy x-rays to kill tumor cells and shrink tumors.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/14/2025
Locations: University of Washington Medical Center - Montlake, Seattle, Washington
Conditions: Intracranial Meningioma, Grade 2 Meningioma
I-SPY TRIAL: Neoadjuvant and Personalized Adaptive Novel Agents to Treat Breast Cancer
Recruiting
The purpose of this study is to further advance the ability to practice personalized medicine by learning which new drug agents are most effective with which types of breast cancer tumors and by learning more about which early indicators of response (tumor analysis prior to surgery via magnetic resonance imaging (MRI) images along with tissue and blood samples) are predictors of treatment success.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/14/2025
Locations: Swedish Cancer Institute, Seattle, Washington
Conditions: Breast Neoplasms, Breast Cancer, Breast Tumors, Angiosarcoma, TNBC - Triple-Negative Breast Cancer, HER2-positive Breast Cancer, HER2-negative Breast Cancer, Hormone Receptor Positive Tumor, Hormone Receptor Negative Tumor, Early-stage Breast Cancer, Locally Advanced Breast Cancer
Dominantly Inherited Alzheimer Network (DIAN)
Recruiting
The purpose of this study is to identify potential biomarkers that may predict the development of Alzheimer's disease in people who carry an Alzheimer's mutation.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/14/2025
Locations: University of Washington, Seattle, Washington
Conditions: Alzheimer's Disease
TRANSPIRE: Lung Injury in a Longitudinal Cohort of Pediatric HSCT Patients
Recruiting
Hematopoietic stem cell transplant (HSCT) is an effective but toxic therapy and pulmonary morbidity affects as many as 25% of children receiving transplant. Early pulmonary injury includes diffuse alveolar hemorrhage (DAH), thrombotic microangiopathy (TMA) interstitial pneumonitis (IPS) and infection, while later, bronchiolitis obliterans is a complication of chronic GVHD associated with severe morbidity and mortality. Improved diagnosis and treatment of pulmonary complications are urgently need... Read More
Gender:
ALL
Ages:
24 years and below
Trial Updated:
07/13/2025
Locations: Seattle Children'S Hospital, Seattle, Washington
Conditions: Hematopoietic Stem Cell Transplant (HSCT), Diffuse Alveolar Hemorrhage, Thrombotic Microangiopathies, Interstitial Pneumonitis, Bronchiolitis Obliterans
A Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Efficacy of RO7446603 Administered Alone or in Combination With Aflibercept or Faricimab in Participants With Diabetic Macular Edema
Recruiting
This study aims to evaluate the ocular and systemic safety, tolerability and efficacy of RO7446603 in participants with diabetic macular edema (DME). The study consists of 2 segments: Phase I (Parts 1-4) and Phase II (Part 5). Phase I investigated the safety of RO7446603 following a single and multiple intravitreal (IVT) doses as monotherapy or co-administered with IVT aflibercept or IVT faricimab (in separate injections). Phase II will investigate the safety, tolerability, pharmacokinetics (PK)... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/11/2025
Locations: Spokane Eye Clinical Research, Spokane, Washington
Conditions: Diabetic Macular Edema
A Study to Investigate the Safety, Tolerability, Pharmacokinetics (PK) and Pharmacodynamics (PD) of RO7497372 in Participants With Diabetic Macular Edema (DME)
Recruiting
This study will assess the safety and tolerability of RO7497372 in participants with DME. The study consists of 2 parts. Part 1 will test multiple-ascending doses of RO7497372 after unilateral intravitreal (IVT) administration in participants with DME. The main purpose of Part 1 is to provide data for RO7497372 safety and tolerability, as well as to characterize the ocular and systemic pharmacokinetics (PK), systemic anti-drug antibodies (ADA), and duration of target engagement, i.e., the pharma... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/11/2025
Locations: Spokane Eye Clinical Research, Spokane, Washington
Conditions: Diabetic Macular Edema
A Study to Evaluate the Optimization of the Cytokine Release Syndrome Profile for Glofitamab in Combination With Gemcitabine Plus Oxaliplatin in Participants With Relapsed/Refractory Diffuse Large B-Cell Lymphoma
Recruiting
The main goal of this trial is to study the frequency and severity of cytokine release syndrome (CRS) in participants with diffuse large B-cell lymphoma (DLBCL) who are using a combination of glofitamab + gemcitabine + oxaliplatin (Glofit-GemOx) followed by glofitamab-only treatment.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/11/2025
Locations: Northwest Medical Specialties, Tacoma, Washington
Conditions: Diffuse Large B-Cell Lymphoma
A Study to Investigate Sonrotoclax Combined With Zanubrutinib Versus Zanubrutinib Alone in Participants With Previously Untreated Chronic Lymphocytic Leukemia
Recruiting
The purpose of this study is to support the registration plan of sonrotoclax plus zanubrutinib treatment in participants with previously untreated CLL. This study is designed to assess the contribution of sonrotoclax to the efficacy outcome of the combination of zanubrutinib and sonrotoclax.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/11/2025
Locations: Northwest Cancer Specialist, Pc(Us Oncology Research), Vancouver, Washington
Conditions: Chronic Lymphocytic Leukemia
A Global Phase III Study of Rilvegostomig or Pembrolizumab Plus Chemotherapy for First-Line Treatment of Metastatic Non-squamous NSCLC
Recruiting
The purpose of ARTEMIDE-Lung03 is to evaluate the efficacy and safety of rilvegostomig compared to pembrolizumab, both in combination with platinum-based doublet chemotherapy, as a first-line treatment of patients with non-squamous mNSCLC whose tumors express PD-L1.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/11/2025
Locations: Research Site, Seattle, Washington
Conditions: Non-squamous Non-small Cell Lung Cancer
Efficacy of Dupilumab Added to Medium Dose Inhaled Corticosteroid/Long-acting Beta-agonist (ICS/LABA) in Comparison to ICS Dose Escalation to High Dose ICS/LABA in Adolescent and Adult Patients With Uncontrolled Asthma
Recruiting
This study is researching a drug called dupilumab. The study is focused on patients who have uncontrolled asthma. Asthma is a condition where the airways narrow and swell, making it difficult to breathe. Uncontrolled asthma means that patients are still having frequent symptoms while taking their current asthma medication.
The aim of the study is to see which regimen is more effective: taking dupilumab with an inhaled asthma medication or only taking a higher dose of the inhaled asthma medicati... Read More
Gender:
ALL
Ages:
Between 12 years and 80 years
Trial Updated:
07/11/2025
Locations: Vancouver Clinic, Vancouver, Washington
Conditions: Asthma