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Washington Paid Clinical Trials
A listing of 1727 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 1727 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 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 $100 off your first program with code policy-lab-100.
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 $100 off your first program with code policy-lab-100.
Conditions:
Overweight
Overweight and Obesity
Obesity
Weight Loss
Morbid Obesity
Featured Trial
Depressive disorder Clinical Study
Recruiting
A clinical study for people that suffer with Depressive disorder
Conditions:
Depressive disorder
Trial of Semaglutide for Diabetic Kidney Disease in Type 1 Diabetes
Recruiting
The primary objective of this study is to determine the effects of semaglutide on kidney oxygenation and function in type 1 diabetes. The secondary objective is to determine the glycemic effects and safety of semaglutide in type 1 diabetes.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/12/2025
Locations: University of Washington, Seattle, Washington
Conditions: Diabetic Kidney Disease, Type 1 Diabetes
The Home Blood Pressure (BP) Trial
Recruiting
The main study will be a two arm 10-month, cross-over randomized controlled trial of 200 participants treated with end-stage-kidney-disease treated with in-center hemodialysis in the Seattle and San Francisco area comparing a strategy of targeting home vs. pre-dialysis systolic blood pressure \<140 mmHg to reduce rates of intradialytic hypotension. The target systolic blood pressure of \<140 mmHg in both treatment groups will be achieved using an algorithm of dry weight adjustment and anti-hyper... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/12/2025
Locations: University of Washington, Seattle, Washington
Conditions: End Stage Renal Disease on Dialysis
Pimavanserin vs. Quetiapine for Treatment of Parkinson's Psychosis
Recruiting
Patients with Parkinson's disease (PD) sometimes experience symptoms affecting their movement, such as slowness, tremor, stiffness, and balance or walking problems. Many patients also have other symptoms not related to movement, called non-motor symptoms, which may affect one's mood or emotions, memory or thinking, or cause one to see or hear things that aren't real (hallucinations) or believe things that aren't true (delusions). Hallucinations or delusions, together called psychosis, occur in u... Read More
Gender:
ALL
Ages:
40 years and above
Trial Updated:
06/12/2025
Locations: VA Puget Sound Health Care System Seattle Division, Seattle, WA, Seattle, Washington
Conditions: Parkinson's Disease Psychosis
PET/CT Changes During Chemoimmunotherapy and Radiation Therapy in Patients With Stage IV Non-small Cell Lung Cancer
Recruiting
This study investigates the changes in positron emission tomography (PET)/computed tomography (CT) imaging scans during chemoimmunotherapy and radiation therapy treatment in patients with stage IV non-small cell lung cancer. Analyzing changes in PET/CT imaging scans may help doctors assess and predict patterns of cancer response to chemoimmunotherapy and radiation therapy.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/12/2025
Locations: Fred Hutch/University of Washington Cancer Consortium, Seattle, Washington
Conditions: Metastatic Lung Non-Small Cell Carcinoma, Recurrent Lung Non-Small Cell Carcinoma, Stage IV Lung Cancer AJCC v8
Simethicone as Part of ERAS in Bariatric Surgery Patients
Recruiting
By conducting this study, we hope to assess if simethicone (also known as Gas Relief or GasX) has an effect on improving gas pain and bloating specifically in patients undergoing foregut procedures to include bariatric procedures (sleeve gastrectomy, Roux-en-Y gastric bypass), hiatal hernia, and gastric surgery.
The purpose of this research is to gather information on the safety and effectiveness of simethicone. Simethicone (more commonly known as Gas Relief or Gas-X) relieves pressure, bloatin... Read More
Gender:
ALL
Ages:
Between 18 years and 89 years
Trial Updated:
06/11/2025
Locations: Madigan Army Medical Center, Tacoma, Washington
Conditions: Simethicone, Bariatric Surgery, Post-operative Pain
An Efficacy, Safety, and Tolerability Study of VRDN-003 in Participants With Active Thyroid Eye Disease (TED)
Recruiting
This is a clinical trial assessing the efficacy, safety, and tolerability of an investigational drug, VRDN-003, in participants with active Thyroid Eye Disease (TED).
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
06/11/2025
Locations: University of Washington, Eye institute, Seattle, Washington
Conditions: Thyroid Eye Disease
Phase 1 Study Evaluating BA3182 in Patients With Advanced Adenocarcinoma.
Recruiting
The objective of this study is to assess safety and efficacy of BA3182 in Advanced Adenocarcinoma
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/11/2025
Locations: Fred Hutch Cancer Center, Seattle, Washington
Conditions: Advanced Adenocarcinoma
Efficacy, Safety, and Pharmacokinetics of Vericiguat in Pediatric Participants With Heart Failure Due to Left Ventricular Systolic Dysfunction (MK-1242-036)
Recruiting
This study aims to compare the efficacy of vericiguat versus placebo on change in n-terminal pro-brain natriuretic peptide (NTproBNP) from baseline to Week 16 of the Base Period. The primary hypothesis is that vericiguat is superior to placebo in reducing NT-proBNP at Week 16 of the Base Period.
Gender:
ALL
Ages:
Between 29 days and 17 years
Trial Updated:
06/11/2025
Locations: Seattle Children's Hospital-Cardiology/Fetal Therapy ( Site 0019), Seattle, Washington
Conditions: Heart Failure, Left Ventricular Systolic Dysfunction
Study to Evaluate Sotatercept (MK-7962) in Children With Pulmonary Arterial Hypertension (PAH) (MK-7962-008)
Recruiting
The primary objectives of the study are to evaluate the safety and tolerability, and pharmacokinetics (PK) of sotatercept over 24 weeks of treatment in children ≥1 to \<18 years of age with PAH World Health Organization (WHO) Group 1 on standard of care (SoC). There is no formal hypothesis.
Gender:
ALL
Ages:
Between 1 year and 17 years
Trial Updated:
06/11/2025
Locations: Seattle Children's Hospital ( Site 1605), Seattle, Washington
Conditions: Pulmonary Arterial Hypertension
4D-710 in Adult Patients With Cystic Fibrosis
Recruiting
This is a Phase 1/2 multicenter, open-label, single dose trial of 4D-710 investigational gene therapy in adults with cystic fibrosis.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/11/2025
Locations: University of Washington Medical Center, Seattle, Washington
Conditions: Cystic Fibrosis Lung
A Study of E7386 in Combination With Other Anticancer Drug(s) in Participants With Solid Tumor
Recruiting
The primary objective of this study is to assess the safety and tolerability and to determine the recommended Phase 2 dose (RP2D) of E7386 in combination with other anticancer drug(s), and to determine the optimal dose of E7386 in combination with lenvatinib in endometrial carcinoma (EC) (for EC Dose Optimization Part only).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/11/2025
Locations: Fred Hutchinson/University of Washington Cancer Consortium, Seattle, Washington
Conditions: Neoplasms, Carcinoma, Hepatocellular, Liver Neoplasms, Colorectal Neoplasms, Endometrial Neoplasms
A Research Study to Look at How Well CagriSema Helps People Living With Obesity Lose Weight and Maintain Weight Loss in the Long-term
Recruiting
This study will look at how well CagriSema helps people living with obesity to lose weight and maintain the weight loss long-term. The study has 2 parts: The first part is called 'the main study' and the second part is called 'the extension study'. In the main study participants will either get CagriSema (a study medicine) or placebo (a dummy medicine that looks like CagriSema but has no active ingredient). Which treatment participants get is decided by chance. Participants are two times more li... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/10/2025
Locations: Rainier Clin Res Ctr Inc, Renton, Washington
Conditions: Obesity