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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.
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Clinical Trial Phase
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
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
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
Study of XmAb®819 in Subjects With Advanced Clear Cell Renal Cell Carcinoma
Recruiting
The purpose of this study is to assess the safety and tolerability of XmAb®819 administered intravenous (IV) or subcutaneous (SC) in subjects with relapsed or refractory clear cell renal cell carcinoma and to identify the minimum safe and biologically active dose and the recommended dose (RD).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: Fred Hutchinson Cancer Center, Seattle, Washington
Conditions: Clear Cell Renal Cell Carcinoma
GEMINI-NSCLC: NSCLC Biomarker Study
Recruiting
GEMINI NSCLC Study is a non-interventional study that will be collecting clinical and molecular health information from patients with NSCLC who will receive longitudinal blood collection in addition to their standard of care therapy and disease surveillance with the goals of identifying the molecular evolution of lung cancer with standard of care therapy, and determining the utility of ctDNA dynamics to predict risk of recurrence and therapeutic outcomes.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: PeaceHealth St. Joseph Medical Center-Bellingham, Bellingham, Washington
Conditions: Non-Small Cell Lung Cancer
A Study to Examine the Effects of Novel Therapy Linvoseltamab in Combination With Other Cancer Treatments for Adult Patients With Multiple Myeloma That is Resistant to Current Standard of Care Treatments
Recruiting
This study is researching an experimental drug called linvoseltamab in combination with other drugs for the treatment of a blood cancer called multiple myeloma. Linvoseltamab has previously been studied as a single agent (without other cancer treatments) in participants with multiple myeloma that returned after prior therapies and needed to be treated again.
In the initial study, some participants treated with linvoseltamab had improvement of their myeloma, including complete responses (no evid... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: VA Puget Sound Health Care System, Seattle, Washington
Conditions: Multiple Myeloma
Secukinumab Open Label Roll-over Extension Protocol
Recruiting
The purpose of this study is to assess long term safety in participants who have completed a Novartis trial with secukinumab, have been judged by the investigator to benefit from continued treatment with secukinumab, and are unable to obtain the marketed secukinumab formulation.
Gender:
ALL
Ages:
Between 6 years and 100 years
Trial Updated:
07/28/2025
Locations: Overlake Internal Med Associates, Bellevue, Washington
Conditions: Autoimmunity, Inflammation
Pulmonary Hypertension Association Registry
Recruiting
The PHA Registry (PHAR) is a national study about people who have pulmonary arterial hypertension (PAH) and chronic thromboembolic pulmonary hypertension (CTEPH). PHAR collects information from people with PAH and CTEPH who are cared for in participating PHA-accredited Pulmonary Hypertension Care Centers throughout the U.S.
PHAR will determine how people with PAH and CTEPH are evaluated, tested, and treated, and will observe how well these participants do. The goal is to see if people with PH a... Read More
Gender:
ALL
Ages:
0 years and above
Trial Updated:
07/28/2025
Locations: Seattle Children's Hospital, Seattle, Washington
Conditions: Pulmonary Arterial Hypertension, Chronic Thromboembolic Pulmonary Hypertension, Pulmonary Hypertension
A Global Phase III Study of Rilvegostomig or Pembrolizumab Plus Chemotherapy for First-Line Treatment of Metastatic Squamous Non-small Cell Lung Cancer (NSCLC)
Recruiting
The purpose of ARTEMIDE-Lung02 is to assess the efficacy and safety of rilvegostomig in combination with platinum-based chemotherapy for the first-line (1L) treatment of patients with metastatic squamous non-small cell lung cancer (mNSCLC) whose tumors express programmed death-ligand 1 (PD-L1).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/25/2025
Locations: Research Site, Olympia, Washington
Conditions: Non-small Cell Lung Cancer
Phase III, Open-label, Study of First-line Dato-DXd in Combination With Rilvegostomig for Advanced Non-squamous NSCLC With High PD-L1 Expression (TC ≥ 50%) and Without Actionable Genomic Alterations
Recruiting
The purpose of this study is to evaluate efficacy and safety of Dato-DXd in combination with rilvegostomig or rilvegostomig monotherapy compared with pembrolizumab monotherapy as a first line therapy in participants with locally advanced or metastatic non-squamous NSCLC with high PD-L1 expression (TC ≥ 50%) and without actionable genomic alterations.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/25/2025
Locations: Research Site, Tacoma, Washington
Conditions: Non-Small Cell Lung Cancer
A Study to Evaluate Sacituzumab Tirumotecan (MK-2870) in Advanced/Metastatic Gastroesophageal Adenocarcinoma (MK-2870-015)
Recruiting
This study will compare how safe and effective sacituzumab tirumotecan is versus the treatment of physician's choice (TPC) in participants with advanced/metastatic gastroesophageal adenocarcinoma. The primary hypothesis of this study is sacituzumab tirumotecan is superior to TPC with respect to Overall Survival (OS).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/25/2025
Locations: Fred Hutchinson Cancer Center ( Site 0111), Seattle, Washington
Conditions: Gastroesophageal Cancer
Risk Reducing Salpingectomy With Delayed Oophorectomy as an Alternative to Risk- Reducing Salpingo-oophorectomy in High Risk-Women to Assess the Safety of Prevention - US Cohort Study
Recruiting
This is a prospective preference study that will evaluate non-inferiority of the innovative treatment (RRS with delayed RRO) as compared to the standard treatment (RRSO) with respect to high grade serous (ovarian) cancer incidence
Gender:
FEMALE
Ages:
18 years and above
Trial Updated:
07/25/2025
Locations: Fred Hutch/University of Washington/Seattle Children's Cancer Consortium, Seattle, Washington
Conditions: Ovarian Cancer, Fallopian Tube Cancer
Beamion LUNG-1: A Study to Test Different Doses of Zongertinib in People With Different Types of Advanced Cancer (Solid Tumours With Changes in the HER2 Gene)
Recruiting
The study has 2 parts. The first part is open to adults with different types of advanced cancer (solid tumours with changes in the HER2 gene) for whom previous treatment was not successful.
The second part is open to people with non-small cell lung cancer with a specific mutation in the HER2 gene.
The purpose of the first study part is to find the highest dose of a medicine called zongertinib the participants can tolerate. Once this dose is found, it will be used in the second study part to te... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/25/2025
Locations: Fred Hutchinson Cancer Research Center, Seattle, Washington
Conditions: Neoplasm Metastasis, Non-Small Cell Lung Cancer
The MIRROR Registry: Minimally Invasive IntRaceRebral HemORrhage Evacuation
Recruiting
This registry will study the use of the Aurora® Surgiscope to provide surgical access and visualization in minimally invasive removal of hematoma in the brain. Many methods of hematoma removal are available and will be based on surgeon preference. The impact of patient selection and time to surgery from last known well time will be explored.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/25/2025
Locations: University of Washington - Harborview, Seattle, Washington
Conditions: Supratentorial Hemorrhage
Concurrent WOKVAC Vaccination, Chemotherapy, and HER2-Targeted Monoclonal Antibody Therapy Before Surgery for the Treatment of Patients With Breast Cancer
Recruiting
This phase II trial studies the immunologic response and side effects of using the WOKVAC vaccine in combination with chemotherapy and HER2-targeted monoclonal antibody therapy before surgery in treating patients with breast cancer. Vaccines like WOKVAC are made from tumor-associated antigens which may help the body build an effective immune response to kill tumor cells. Chemotherapy drugs, such as paclitaxel, work in different ways to stop the growth of tumor cells, either by killing the cells,... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/25/2025
Locations: Fred Hutch/University of Washington Cancer Consortium, Seattle, Washington
Conditions: Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8