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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.
541 - 552 of 1721
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 Offer
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Recruiting
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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
Study of Novel Treatment Combinations in Patients With Lung Cancer
Recruiting
The goal of this platform clinical trial is to test how well novel treatment combinations work in participants with lung cancer. Substudy-01 will compare the different novel combinations versus standard of care in participants with metastatic (cancer that has spread) non-small-cell lung cancer (NSCLC) who have not been treated before. Substudy-02 will compare the different novel combination versus standard of care in participants with cancer that has progressed after receiving previous treatment... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/11/2025
Locations: Fred Hutchinson Cancer Center,Substudy-01, Seattle, Washington
Conditions: Lung Cancer, Advanced or Metastatic Non-Small-Cell Lung Cancer, Resectable Non-Small-Cell Lung Cancer
A Study of Zilovertamab Vedotin (MK-2140) as Monotherapy and in Combination in Participants With Aggressive and Indolent B-cell Malignancies (MK-2140-006)
Recruiting
The purpose of this study is to assess the safety and tolerability of zilovertamab vedotin as monotherapy and in combination in participants with select B-cell lymphomas including mantle cell lymphoma (MCL), Richter's transformation lymphoma (RTL), follicular lymphoma (FL), and chronic lymphocytic leukemia (CLL). This study will also evaluate zilovertamab vedotin as monotherapy and in combination with respect to objective response rate.
* Cohort A: Participants with relapsed or refractory MCL r... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/11/2025
Locations: Medical Oncology Associates, PS ( Site 0005), Spokane, Washington
Conditions: Chronic Lymphocytic Leukemia, Mantle Cell Lymphoma, Follicular Lymphoma, Richter Transformation Lymphoma
Neoadjuvant and Adjuvant Treatment in Resectable Non-small Cell Lung Cancer
Recruiting
The study is intended to assess the safety and efficacy of perioperative treatment with Durvalumab in combination with Oleclumab, Monalizumab, or AZD0171 and platinum doublet chemotherapy (CTX); or Volrustomig or Rilvegostomig in combination with CTX; or Datopotamab deruxtecan (Dato-DXd) in combination with Durvalumab or Rilvegostomig and single agent platinum chemotherapy in participants with resectable, early-stage non-small cell lung cancer.
Gender:
ALL
Ages:
Between 18 years and 95 years
Trial Updated:
07/11/2025
Locations: Research Site, Seattle, Washington
Conditions: Non-small Cell Lung Cancer
A Study Evaluating the Efficacy and Safety of Adjuvant Giredestrant Compared With Physician's Choice of Adjuvant Endocrine Monotherapy in Participants With Estrogen Receptor-Positive, HER2-Negative Early Breast Cancer (lidERA Breast Cancer)
Recruiting
This is a Phase III, global, randomized, open-label, multicenter, study evaluating the efficacy and safety of adjuvant giredestrant compared with endocrine therapy of physician's choice in participants with medium- and high-risk Stage I-III histologically confirmed estrogen receptor (ER)-positive and human epidermal growth factor receptor 2 (HER2)-negative early breast cancer.
In addition, an open-label exploratory substudy will explore the safety and efficacy of giredestrant in combination wit... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/11/2025
Locations: Swedish Cancer Institute, Seattle, Washington
Conditions: Early Breast Cancer
A Study of Multiple Therapies in Biomarker-Selected Patients With Resectable Stages IB-III Non-Small Cell Lung Cancer
Recruiting
This trial will evaluate the efficacy and safety of various therapies in patients with Stage IB, IIA, IIB, IIIA, or selected IIIB resectable and untreated non-small cell lung cancer (NSCLC) tumors that meet protocol-specified biomarker criteria
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/11/2025
Locations: Seattle Cancer Care Alliance, Seattle, Washington
Conditions: Non-small Cell Lung Cancer
Extension Study for the Port Delivery System With Ranibizumab (Portal)
Recruiting
This study will evaluate the long-term safety and tolerability of the Port Delivery System with ranibizumab (PDS) (100 mg/mL) in participants with neovascular age-related macular degeneration (nAMD) who have either completed Phase II Study GX28228 (Ladder), Phase III Study GR40548 (Archway), Phase IIIb Study WR42221 (Velodrome), or completed Week 24 visit in Study WR42221 but were not eligible to be randomized in WR42221.
Gender:
ALL
Ages:
50 years and above
Trial Updated:
07/11/2025
Locations: Pacific Northwest Retina, Silverdale, Washington
Conditions: Neovascular Age-Related Macular Degeneration
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:
07/11/2025
Locations: Fred Hutchinson, Seattle, Washington
Conditions: Neoplasms, Lymphomas, Multiple Myeloma, Myelodysplastic Syndrome
A Study to Assess the Safety, Pharmacokinetics, and Activity of RO7790121 in Participants With Advanced MASH Liver Fibrosis
Recruiting
The purpose of this study is to assess the safety, pharmacokinetics (PK), pharmacodynamics (PD), immunogenicity and activity of RO7790121 in participants with advanced metabolic dysfunction-associated steatohepatitis (MASH) fibrosis.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
07/10/2025
Locations: GI Alliance, Bellevue, Washington
Conditions: MASH
Testing a Standardized Approach to Surgery and Chemotherapy for Type I Pleuropulmonary Blastoma or the Addition of an Anti-cancer Drug, Topotecan, to the Usual Treatment for Types II and III Pleuropulmonary Blastoma
Recruiting
This phase III trial tests how well surgery plus chemotherapy compared to surgery alone works in treating patients with type I pleuropulmonary blastoma (PPB), and tests how well surgery plus standard chemotherapy with the addition of topotecan works compared to surgery plus standard chemotherapy alone in treating patients with type II and III PPB.
Historically, most children with type I PPB had surgery and approximately 40% of children with type I PPB received chemotherapy following their surge... Read More
Gender:
ALL
Ages:
21 years and below
Trial Updated:
07/10/2025
Locations: Seattle Children's Hospital, Seattle, Washington
Conditions: Pleuropulmonary Blastoma
Stress and Resilience
Recruiting
Alcohol and cannabis are the most misused psychoactive substances in the United States. The proposed research examines how personally relevant stressful experiences may lead to alcohol and cannabis use. The proposed research is also designed to identify possible targets for prevention and treatment efforts to help reduce drug use.
Gender:
ALL
Ages:
Between 18 years and 30 years
Trial Updated:
07/10/2025
Locations: University of Washington, Seattle, Washington
Conditions: Alcohol Use, Cannabis Use
A Study of Lower Radiotherapy Dose to Treat Children With CNS Germinoma
Recruiting
This phase II trial studies how well lower dose radiotherapy after chemotherapy (Carboplatin \& Etoposide) works in treating children with central nervous system (CNS) germinomas. Radiation therapy uses high energy x-rays, particles, or radioactive seeds to kill cancer cells and shrink tumors. Carboplatin is in a class of medications known as platinum-containing compounds. It works in a way similar to the anticancer drug cisplatin, but may be better tolerated than cisplatin. Carboplatin works by... Read More
Gender:
ALL
Ages:
Between 3 years and 29 years
Trial Updated:
07/10/2025
Locations: Seattle Children's Hospital, Seattle, Washington
Conditions: Central Nervous System Germinoma, Diabetes Insipidus, Pineal Region Germinoma, Suprasellar Germinoma, Basal Ganglia Germinoma, Thalamic Germinoma
A Study To Evaluate The Efficacy And Safety Of Ifinatamab Deruxtecan (I-DXd) In Subjects With Recurrent Or Metastatic Solid Tumors (IDeate-PanTumor02)
Recruiting
This study is designed to assess the efficacy and safety of ifinatamab deruxtecan (I-DXD) in the following tumor types: endometrial cancer (EC); head and neck squamous cell carcinoma (HNSCC); pancreatic ductal adenocarcinoma (PDAC); colorectal cancer (CRC); hepatocellular carcinoma (HCC); adenocarcinoma of esophagus, gastroesophageal junction, and stomach (Ad-Eso/GEJ/gastric); urothelial carcinoma (UC); ovarian cancer (OVC); cervical cancer (CC); biliary tract cancer (BTC); human epidermal growt... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/10/2025
Locations: Wenatchee Hospitals and Clinics, Wenatchee, Washington
Conditions: Recurrent or Metastatic Solid Tumors