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Washington Paid Clinical Trials
A listing of 1721 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 1721 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
A Study to Evaluate IPN10200 Safety and Efficacy in the Prevention of Episodic or Chronic Migraine in Adults
Recruiting
A migraine is a headache with severe throbbing pain or a pulsating sensation, usually on one side of the head. It is often accompanied by feeling or being sick and a sensitivity to bright lights and sound. Migraines are caused by a series of events when the brain gets stimulated or activated, which causes the release of chemicals that cause pain. IPN10200 is a medication that stops the release of these chemical messengers.
Participants with episodic migraine (EM) or chronic migraine (CM) will b... Read More
Gender:
ALL
Ages:
Between 18 years and 80 years
Trial Updated:
06/19/2025
Locations: Puget Sound Neurology - Neurology, Tacoma, Washington
Conditions: Episodic Migraine, Chronic Migraine
A Study Evaluating Atezolizumab, With or Without Bevacizumab, in Participants With Unresectable Hepatocellular Carcinoma and Child-Pugh B7 and B8 Cirrhosis
Recruiting
The purpose of this study is to assess the safety of atezolizumab and bevacizumab, or atezolizumab alone, as first-line treatment in participants with unresectable, locally advanced or metastatic hepatocellular carcinoma (HCC) with Child-Pugh B7 or B8 cirrhosis.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/19/2025
Locations: Virginia Mason Medical Center, Seattle, Washington
Conditions: Hepatocellular Carcinoma
Study of Lurbinectedin in Combination With Doxorubicin Versus Doxorubicin Alone as First-line Treatment in Participants With Metastatic Leiomyosarcoma
Recruiting
The primary objective of this phase IIb/III study is to evaluate whether the combination of lurbinectedin plus doxorubicin given as first line treatment for metastatic leiomyosarcoma (LMS) prolongs the progression-free survival (PFS) by Independent Review Committee (IRC) when compared to doxorubicin administered as a single agent.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/19/2025
Locations: Fred Hutchinson Cancer Center - Seattle Cancer Care Alliance (SCCA) Location, Seattle, Washington
Conditions: Leiomyosarcoma
Paclitaxel Coated Balloon for the Treatment of Chronic bEnigN sTricture- Esophagus
Recruiting
To evaluate the safety and efficacy of the ProTractX3™ DCB for the treatment of benign esophageal strictures.
Gender:
ALL
Ages:
22 years and above
Trial Updated:
06/19/2025
Locations: Swedish Medical Center, Seattle, Washington
Conditions: Esophageal Stricture
Paclitaxel Coated Balloon for the Treatment of Chronic bEnigN sTricture- Bowel
Recruiting
To determine the safety and efficacy of GIE Medical's ProTractX3™ TTS DCB for the treatment of recurrent benign bowel strictures.
Gender:
ALL
Ages:
22 years and above
Trial Updated:
06/19/2025
Locations: Virginia Mason, Seattle, Washington
Conditions: Bowel; Stricture
Study of Zifibancimig in Participants With Neovascular Age-Related Macular Degeneration
Recruiting
This is a first in-human study to investigate the safety, tolerability and efficacy of zifibancimig administered through intravitreal (IVT) injections and via the Port Delivery (PD) implant in participants with neovascular age-related macular degeneration (nAMD)
Gender:
ALL
Ages:
50 years and above
Trial Updated:
06/19/2025
Locations: Spokane Eye Clinical Research, Spokane, Washington
Conditions: Macular Degeneration
A Study to Evaluate Efficacy and Safety of Perampanel Administered as an Adjunctive Therapy in Pediatric Participants With Childhood Epilepsy
Recruiting
The purpose of the study is to evaluate the efficacy of perampanel as measured by the 50 percent (%) responder rate during the maintenance period of the core study for seizure frequency in participants with pediatric epileptic syndrome (Cohort 1) and partial-onset seizures (POS) (Cohort 2).
Gender:
ALL
Ages:
Between 1 month and 18 years
Trial Updated:
06/19/2025
Locations: Seattle Children's Hospital, Seattle, Washington
Conditions: Pediatric Epileptic Syndrome, Partial-onset Seizures
A Study of Efimosfermin Alfa in Participants With Biopsy-confirmed Cirrhosis (Compensated) MASH
Recruiting
The purpose of this study is to evaluate the safety, tolerability, preliminary efficacy, and pharmacokinetics (PK) of efimosfermin in participants with metabolic dysfunction associated steatohepatitis (MASH) and compensated cirrhosis consistent with stage F4 fibrosis.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
06/18/2025
Locations: GI Alliance - Washington Gastroenterology, Tacoma, Washington
Conditions: Metabolic Dysfunction-Associated Steatohepatitis
A Study of (LY3527727) Pirtobrutinib in Participants With Previously Treated Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma or Non-Hodgkin Lymphoma
Recruiting
Study J2N-MC-JZ01 (JZ01) is an individual-study appendix (ISA) under master protocol J2N-MC-JZNY, and represents participants from the completed originator study, clinical study LOXO-BTK-18001/J2N-OX-JZNA. Participants in the originator study will have the opportunity to continue their assigned study intervention or continue their follow-up visits by transitioning to this study. This study will evaluate the long-term safety and efficacy of pirtobrutinib.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/18/2025
Locations: Swedish Cancer Institute, Seattle, Washington
Conditions: Chronic Lymphocytic Leukemia, Non-Hodgkin Lymphoma
A Master Protocol to Evaluate the Long-Term Safety of (LY3527727) Pirtobrutinib
Recruiting
The master protocol study J2N-MC-JZNY provides a framework to enable the evaluation of the long-term safety and efficacy of pirtobrutinib after completion of clinical studies evaluating pirtobrutinib. The clinical studies that will feed into this master protocol are referred to as originator studies. The master protocol will govern individual study-specific appendices (ISAs) that will represent participants from the individual, completed originator studies. These participants will have the oppor... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/18/2025
Locations: Swedish Cancer Institute, Seattle, Washington
Conditions: Chronic Lymphocytic Leukemia, Non-Hodgkin Lymphoma
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:
06/18/2025
Locations: Northwest Clinical Research Center, Bellevue, Washington
Conditions: Obesity
A Study to Learn About How the Flu and COVID-19 Vaccines Act in Healthy People
Recruiting
The purpose of this study is to learn about how the flu and COVID vaccines act when given alone or when mixed together.
This study is seeking healthy participants aged 18 or older. All participants in this study will receive only 1 shot to their arm, either a flu or COVID vaccine, alone or mixed. Participants will take part in this study for about 6 months, and participants will need to visit the clinical study site at least 4 times.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/18/2025
Locations: Kaiser Permanente Washington Health Research Institute (KPWHRI), Seattle, Washington
Conditions: Influenza, COVID-19 (Coronavirus Disease 2019)