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Washington Paid Clinical Trials
A listing of 1729 clinical trials in Washington actively recruiting volunteers for paid trials and research studies in various therapeutic areas.
301 - 312 of 1729
Washington is currently home to 1729 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
Healthy Participants Needed (Colonoscopy + Cancer Screening)
Recruiting
Earn $325 - $475 in electronic payment card compensation for your time and effort by participating in a clinical study to develop a blood test that may one day help screen for colon cancer. Take a quick quiz to see if you qualify.
Conditions:
Healthy
Healthy Volunteers
Healthy Subjects
Healthy Volunteer
Healthy Participants
Featured Trial
Chronic Cough Research Study
Recruiting
Are you tired of living with chronic cough? Our research study is now looking to enroll people from all backgrounds to help research potential new treatment options for chronic cough.
You are under no obligation to take part and health insurance is not required. Find out more today! We’d love to hear from you!
You are under no obligation to take part and health insurance is not required. Find out more today! We’d love to hear from you!
Conditions:
Chronic Cough
Refractory or Unexplained Chronic Cough
Cough
Asthma
Sinusitis
Featured Offer
Lose Weight with GLP-1 Medications
Recruiting
Policy Lab has partnered with OnlineSemaglutide.org to offer trusted access to semaglutide and other GLP-1 medications, including generic alternatives to Ozempic® and Wegovy®.
GLP-1 medications are scientifically backed to help individuals achieve significant weight loss—on average, 15-20% of body weight within a year.
As a valued user, you’re eligible for $50 off your first program with code policy-lab-50.
GLP-1 medications are scientifically backed to help individuals achieve significant weight loss—on average, 15-20% of body weight within a year.
As a valued user, you’re eligible for $50 off your first program with code policy-lab-50.
Conditions:
Overweight
Overweight and Obesity
Obesity
Weight Loss
Morbid Obesity
Featured Trial
Chronic Cough Study
Recruiting
Are you tired of living with chronic cough? The ASPIRE Study is now looking to enroll people from all backgrounds to help research potential new treatment options for chronic cough. You are under no obligation to take part and health insurance is not required. Find out more today! We’d love to hear from you.
Conditions:
Chronic Cough
Refractory or Unexplained Chronic Cough
Cough
Asthma
Allergic Asthma
Featured Trial
Depression Clinical Trial
Recruiting
Join us in researching a potential investigational treatment for Depression. Reimbursement for study-related expenses may be available to you.
Qualifying participants:
•Are between 18-65
•Have been experiencing a major depressive episode for at least a month
Qualifying participants:
•Are between 18-65
•Have been experiencing a major depressive episode for at least a month
Conditions:
Depression
Major Depressive Disorder
Depressive Disorder
Depressive Symptoms
Depressive Disorder
MiSight 1 Day Safety Post-Approval Study
Recruiting
The purpose of this post-approval study is to confirm the safety of daily disposable soft contact lens wear among the intended patient population for the MiSight 1 Day lens in the US.
Gender:
ALL
Ages:
Between 8 years and 12 years
Trial Updated:
08/13/2025
Locations: Redmond Eye Clinic, Redmond, Washington
Conditions: Myopia
A Study With Eptinezumab in Adolescents (12-17 Years) With Chronic Migraine
Recruiting
To find out if eptinezumab is better than placebo (normal saline solution) in lowering the number of days with migraine in young people ages 12 to 17 with chronic migraine.
Gender:
ALL
Ages:
Between 12 years and 17 years
Trial Updated:
08/13/2025
Locations: Mary Bridge Children's Hospital, Tacoma, Washington
Conditions: Chronic Migraine in Children
Long-term Safety Study of Rimegepant in Pediatric Subjects for the Acute Treatment of Migraine
Recruiting
The purpose of this study is to test the long-term safety of rimegepant in the acute treatment of migraine in children and adolescents (≥ 6 to \< 18 years of age).
Gender:
ALL
Ages:
Between 6 years and 17 years
Trial Updated:
08/13/2025
Locations: Northwest Clinical Research Center, Bellevue, Washington
Conditions: Acute Treatment of Migraine
Precision-Based Genomics in Prostate Cancer
Recruiting
Background:
Prostate cancer is the most common cancer and the second leading cause of death in males in the United States. Researchers want to find additional gene mutations that may increase a man s risk for prostate cancer and may affect how aggressive the disease is.
Objective:
To look at gene mutations in men with prostate cancer as well as the course of their disease to better understand how gene mutations relate to the way the cancer progresses and responds to treatment.
Eligibility:... Read More
Gender:
MALE
Ages:
18 years and above
Trial Updated:
08/13/2025
Locations: University of Washington, Seattle, Washington
Conditions: Prostate Cancer
Drug-Eluting Registry: Real-World Treatment of Lesions in the Peripheral Vasculature
Recruiting
The ELEGANCE Registry's objective is to collect Real-World Data (RWD), including populations previously not represented in Peripheral Vascular Disease (PVD) trials, health economics data, and to support the safe use of commercially available Boston Scientific Corporation (BSC) drug-eluting devices for the treatment of lesions located in the peripheral vasculature.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/13/2025
Locations: UW Medicine - Harborview Medical Center, Seattle, Washington
Conditions: Peripheral Vascular Diseases
Randomized Study in Children and Adolescents With Migraine: Acute Treatment
Recruiting
The purpose of this study is to test the safety and efficacy of BHV-3000 versus placebo in the acute treatment of moderate or severe migraine in children and adolescents.
Gender:
ALL
Ages:
Between 6 years and 17 years
Trial Updated:
08/13/2025
Locations: Northwest Clinical Research Center, Bellevue, Washington
Conditions: Pediatric Migraine
A Study to Evaluate Efficacy, Safety & Pharmacokinetics of the Port Delivery System (PDS) With Ranibizumab in Participants With Diabetic Macular Edema (DME) Compared With Intravitreal Ranibizumab; A Subtudy to Evaluate the Safety of Re-Implanting the PDS With Ranibizumab in Participants With DME
Recruiting
This study will evaluate the efficacy, safety, and pharmacokinetics of the PDS with Ranibizumab in participants with DME when treated every 24 weeks (Q24W) compared with intravitreal ranibizumab 0.5 mg every 4 weeks (Q4W).
The substudy will evaluate safety of re-implanting the updated PDS with ranibizumab and the refill-exchange procedures following re-implantation in participants with DME who were previously enrolled in the main Study, GR40550. Up to 100 participants from the main study will b... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/13/2025
Locations: Pacific Northwest Retina, Silverdale, Washington
Conditions: Diabetic Macular Edema
Study of Romiplostim for Chemotherapy-induced Thrombocytopenia in Adult Subjects With Non-small Cell Lung Cancer (NSCLC), Ovarian Cancer, or Breast Cancer
Recruiting
To evaluate the efficacy of romiplostim for the treatment of CIT in patients receiving chemotherapy for the treatment of NSCLC, ovarian cancer, or breast cancer measured by the ability to administer on-time, full-dose chemotherapy
Gender:
ALL
Ages:
Between 18 years and 100 years
Trial Updated:
08/13/2025
Locations: Medical Oncology Associates PS, Spokane, Washington
Conditions: Chemotherapy-induced Thrombocytopenia
MILD® Percutaneous Image-Guided Lumbar Decompression: A Medicare Claims Study
Recruiting
This prospective longitudinal study will compare incidence rates of Medicare beneficiary surgical and minimally invasive intervention post index procedure, as well as harms associated with the MILD procedure, at 24 months post-treatment with MILD, tested against a control group of similar patients that have had a comparable procedure. This study will start with patients treated with a study procedure having an index date on or after January 1, 2017, and enrollment will continue until stopped by... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/13/2025
Locations: Island Health Hospital, Anacortes, Washington
Conditions: Lumbar Spinal Stenosis
Collection of Tissue Samples for Cancer Research
Recruiting
Background:
-Patients who are being evaluated and/or treated at the NIH Clinical Center and adult patients at participating sites will be entered onto this tissue procurement protocol for collection of tissue specimens.
Objectives:
* To obtain samples from adult and pediatric patients for research purposes from tests and procedures that are done as required by the primary research protocol(s) to which a patient is enrolled or as part of their standard-of-care treatment.
* To obtain samples fo... Read More
Gender:
ALL
Ages:
2 months and above
Trial Updated:
08/13/2025
Locations: Fred Hutchinson, Seattle, Washington
Conditions: Neoplasms, Lymphomas, Multiple Myeloma, Myelodysplastic Syndrome
Machine Learning Prediction of Possible Central Line Associated Blood Stream Infections and Rate of Reduction
Recruiting
Prospective, multi-center, cluster-randomized trial of a hospital Infection Preventionist (IP)-led quality improvement study to provide clinical teams with just-in-time clinical education and reinforcement of existing best practices recommendations based on the output of a possible Central Line Associated Blood Stream Infection (CLABSI) Machine Learning (ML) prediction model.
The objective is to determine whether providing this model to Infection Preventionists will decrease the CLABSI rates ve... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/12/2025
Locations: Swedish Medical Center Edmonds, Edmonds, Washington
Conditions: Central Line Associated Blood Stream Infections (CLABSI)
VK2735 for Weight Management Phase 3
Recruiting
This is a phase 3, multicenter, 78-week randomized, double-blind, placebo-controlled, parallel arm study that will evaluate the weight loss efficacy as well as safety, tolerability, pharmacodynamic effects, and pharmacokinetics of VK2735 in adults who are obese (BMI ≥30 kg/m2) or overweight (BMI ≥27 kg/m2) with one or more weight related comorbid condition without Type 2 Diabetes.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/12/2025
Locations: Viking Clinical Site #1072, Renton, Washington
Conditions: Weight Loss
