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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.
745 - 756 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
Paid Clinical Studies Nationwide
Recruiting
Nationwide clinical trials offered in your area. Some trials offering up to several thousand dollars in compensation for participation.
Conditions:
Healthy
Healthy Volunteer Study
Featured Trial
Buy Retatrutide Online Through Celia
Recruiting
Retatrutide (formerly M25) is an investigational peptide being studied for its potential in supporting weight management and metabolic health. It acts on GLP-1, GIP, and glucagon receptors to influence appetite, energy regulation, and fat metabolism.
Conditions:
Healthy
Featured Offer
Find the Best GLP-1 Weight Loss Providers (2025)
Recruiting
Cutting-edge GLP-1 treatments like semaglutide and tirzepatide are helping thousands lose weight with medically guided support. But with so many online providers, how do you know which programs are trusted, affordable, and right for you?
We reviewed the top GLP-1 brands of 2025 — comparing pricing, prescription process, shipping, pharmacy partners, and real user ratings — to help you find a safe, convenient, and effective path toward your weight-loss goals.
- 100% online programs
- Licensed U.S. clinicians
- Fast shipping & flexible payments
See the rankings & choose the GLP-1 provider that fits your life.
We reviewed the top GLP-1 brands of 2025 — comparing pricing, prescription process, shipping, pharmacy partners, and real user ratings — to help you find a safe, convenient, and effective path toward your weight-loss goals.
- 100% online programs
- Licensed U.S. clinicians
- Fast shipping & flexible payments
See the rankings & choose the GLP-1 provider that fits your life.
Conditions:
Overweight
Overweight and Obesity
Obesity
Weight Loss
Morbid Obesity
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
Resilience Mobile App for Teens and Young Adults With Cancer
Recruiting
The goal of this pilot trial is to examine whether a mobile app version of the Promoting Resilience in Stress Management (PRISM) intervention is acceptable, easy to use, and helps improve quality of life and mental health symptoms.
Gender:
ALL
Ages:
Between 12 years and 25 years
Trial Updated:
07/16/2025
Locations: Seattle Children's Hospital, Seattle, Washington
Conditions: Cancer
A Study of XMT-1660 in Participants With Solid Tumors
Recruiting
A Study of XMT-1660 in Solid Tumors
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/16/2025
Locations: Summit Cancer Centers, Spokane, Washington
Conditions: Triple Negative Breast Cancer, Breast Cancer, Endometrial Cancer, Ovarian Cancer, Fallopian Tube Cancer, Primary Peritoneal Cavity Cancer, Adenoid Cystic Carcinoma
Genetic Determinants of Barrett's Esophagus and Esophageal Adenocarcinoma
Recruiting
The overall objectives of this BETRNet Research Center (RC) are:
1. to conduct a rigorous, integrated spectrum of transdisciplinary human research in Barrett's esophagus (BE) and esophageal adenocarcinoma (ECA)
2. to increase the biological understanding of key observations made by our clinical researchers;
3. to translate knowledge derived from genetic, epigenetic, and transcriptome research to solving clinical dilemmas in detection, prognosis, prevention, and therapy of BE in order to prevent... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/16/2025
Locations: VA Puget Sound Health Care System, Seattle, Washington
Conditions: Barrett's Esophagus, Esophageal Neoplasm
A Phase 1/2a Study of VS-7375 in Patients With KRAS G12D-Mutated Solid Tumors
Recruiting
This study will assess the safety and efficacy of VS-7375 alone and in combination in patients with advanced solid tumors harboring a KRAS G12D-mutation.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/15/2025
Locations: Virginia Mason Medical Center, Seattle, Washington
Conditions: Pancreatic Ductal Adenocarcinoma, Non Small Cell Lung Cancer, Colorectal Cancer, Solid Tumor, Adult, G12D Mutated KRAS
Dose Range Finding Study to Assess Efficacy and Safety of Tozorakimab in Adults With Uncontrolled Asthma on Medium-to-High Dose Inhaled Corticosteroids
Recruiting
This is a dose-range finding, double-blind, placebo-controlled, phase IIb study designed to assess efficacy and safety of tozorakimab administered subcutaneously in adult participants with uncontrolled asthma receiving medium-to-high dose inhaled corticosteroids.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
07/15/2025
Locations: Research Site, Bellingham, Washington
Conditions: Asthma
4D-150 in Patients With Macular Neovascularization Secondary to Age-Related Macular Degeneration
Recruiting
A Phase 3, Randomized, Double-Masked, Active-Controlled Trial in Adults with Macular Neovascularization Secondary to Age-Related Macular Degeneration
Gender:
ALL
Ages:
50 years and above
Trial Updated:
07/15/2025
Locations: Spokane Eye, Spokane, Washington
Conditions: Macular Neovascularization Secondary to Age-Related Macular Degeneration
Double-blind, Randomized, Placebo-controlled, Multicenter Study to Evaluate the Efficacy and Safety of Ravulizumab Administered Intravenously in Adult Participants at High Risk of Delayed Graft Function After Kidney Transplantation
Recruiting
The primary objective of this study is to demonstrate the efficacy of ravulizumab vs placebo in reducing the severity of DGF as measured by time to freedom from dialysis in adult participants who are at high risk of DGF after undergoing transplant of deceased donor kidney.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/15/2025
Locations: Research Site, Seattle, Washington
Conditions: Delayed Graft Function, DGF, Kidney Transplant
A Study to Investigate the Efficacy, Safety and Tolerability of Remibrutinib Versus Placebo in Adult Patients With Generalized Myasthenia Gravis
Recruiting
A study to evaluate the efficacy, safety and tolerability of Remibrutinib versus placebo in adult patients with Generalized Myasthenia Gravis who are on stable, standard-of-care (SOC) treatment.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
07/15/2025
Locations: University of WA Division of Cardio, Seattle, Washington
Conditions: Generalized Myasthenia Gravis
Helping Ovarian Cancer Patients Cope With Their Illness (HOPE)
Recruiting
This clinical trial compares the effect of the Helping Ovarian Cancer Patients Cope with Their Disease (HOPE) intervention to usual care for the reduction of hopelessness and helplessness in patients with ovarian cancer that has come back after a period of improvement (recurrent). Patients with recurrent ovarian cancer are at high risk for increased death and poor mental health outcomes, including depression and anxiety. Ovarian cancer is the deadliest of all gynecologic cancers, with a survival... Read More
Gender:
FEMALE
Ages:
18 years and above
Trial Updated:
07/15/2025
Locations: Fred Hutch/University of Washington Cancer Consortium, Seattle, Washington
Conditions: Recurrent Ovarian Carcinoma
Phase 3 Study of Daraxonrasib (RMC-6236) in Patients With Previously Treated Metastatic Pancreatic Ductal Adenocarcinoma (PDAC)
Recruiting
The purpose of this study is to evaluate the safety and efficacy of a novel RAS(ON) inhibitor compared to standard(s) of care (SOC) treatment.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/15/2025
Locations: Fred Hutchinson Cancer Center, Seattle, Washington
HealthyTogether: RCT of a Dyadic Weight Management Intervention
Recruiting
Four in five Veterans have overweight or obesity. However, few eligible Veterans achieve meaningful weight loss in VA's national MOVE! Weight Management Program. Family and friends strongly influence a person's health behaviors and weight. Including a close family member or friend in weight management may improve weight management outcomes. This study will test whether an 14-week, 8-session virtual weight management program that includes Veterans and a support person (e.g., family member or frie... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/15/2025
Locations: VA Puget Sound Health Care System Seattle Division, Seattle, WA, Seattle, Washington
Conditions: Obesity, Overweight
Phase 2 Study to Evaluate Safety and Efficacy of Cretostimogene Grenadenorepvec in High-Risk NMIBC
Recruiting
This is a Phase 2, Multi-Arm, Multi-Cohort, Open-Label Study to Evaluate the Safety and Efficacy of Cretostimogene Grenadenorepvec in Participants with High-Risk Non-Muscle-Invasive Bladder Cancer.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/15/2025
Locations: Spokane Urology, Spokane, Washington
Conditions: High-Risk Non-Muscle-Invasive Bladder Cancer
