Paid Clinical Trials in Washington

Washington has 1,824 paid clinical trials enrolling now across cities including Seattle, Spokane and Tacoma. Search by condition, age, or phase to find compensated research studies accepting participants near you.

Research sites in Washington include Fred Hutchinson Cancer Center, UW Medicine and Seattle Children's, running studies across oncology, cardiology, neurology, and more. Both patients and healthy volunteers may qualify. Most studies offer compensation for time and travel.

Recruiting trial data synced daily from ClinicalTrials.gov. Last sync: June 15, 2026.

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1,824 clinical trials

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A Study to Assess Growth in Children With Idiopathic Short Stature

for Idiopathic Short Stature

40 locations incl. Phoenix

Sponsor: BioMarin Pharmaceutical

Sex: All·Age: 2 - 16

Code: NCT06309979·Recruiting

Apply to this trial

Non-invasive Electrical Spinal Cord Stimulation To Restore Upper Extremity Function in Multiple Sclerosis

for Multiple Sclerosis

1 location in Seattle

Sponsor: University of Washington

Sex: All·Age: 21 - 70

Code: NCT06552611·Phase 1·Recruiting

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Characterization And Clinical Outcomes of AA Patients Treated With Ritlecitinib

for Alopecia Areata

Drug: Ritlecitinib

25 locations incl. Montgomery

Sponsor: Pfizer

Sex: All·Age: 12+

Code: NCT06531109·Recruiting

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A Study of Surovatamig (AZD0486) Plus Rituximab in Previously Untreated Follicular Lymphoma Patients

for Untreated Follicular Lymphoma

Drug: Rituximab

51 locations incl. Huntsville

Sponsor: AstraZeneca

Sex: All·Age: 18 - 130

Code: NCT06549595·Phase 3·Recruiting

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Innoventric Trillium™ Stent Graft Early Feasibility Study (EFS)

for Tricuspid Regurgitation

9 locations incl. Thousand Oaks

Sponsor: Innoventric LTD

Sex: All·Age: 18 - 85

Code: NCT06212193·Recruiting

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A Study to Evaluate the Risk of Tumor Lysis Syndrome (TLS) in Adult Participants Receiving Oral Venetoclax in Combination With Intravenously Infused Obinutuzumab or Oral Acalabrutinib for Previously Untreated Chronic Lymphocytic Leukemia (CLL)

for Chronic Lymphocytic Leukemia

Drug: Venetoclax

32 locations incl. Tucson

Sponsor: AbbVie

Sex: All·Age: 18+

Code: NCT06428019·Phase 3·Recruiting

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Study of ITI-1284 as an Adjunctive Treatment in Patients With Generalized Anxiety Disorder

for Generalized Anxiety Disorder

34 locations incl. Chandler

Sponsor: Intra-Cellular Therapies, Inc.

Sex: All·Age: 18+

Code: NCT06480383·Phase 2·Recruiting

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Targeted Pediatric High-Grade Glioma Therapy

for High Grade Glioma

11 locations incl. Aurora

Sponsor: Nationwide Children's Hospital

Sex: All·Age: 12 Months - 39

Code: NCT05839379·Recruiting

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Multi-Arm Multi-Stage Adaptive Platform Trial (APT) for the Acute Treatment of Traumatic Brain Injury

for Traumatic Brain Injury

18 locations incl. San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18 - 65

Code: NCT05826912·Phase 2·Enrolling By Invitation

A Longitudinal Multi-Omic Biomarker Profiling Study of Patients With Head & Neck Squamous Cell Carcinoma (HNSCC)

for Head and Neck Squamous Cell Carcinoma

29 locations incl. Duarte

Sponsor: Tempus AI

Sex: All·Age: 18+

Code: NCT06163534·Recruiting

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VTP-1000 in Adults With Celiac Disease

for Celiac Disease

16 locations incl. Los Angeles

Sponsor: Barinthus Biotherapeutics

Sex: All·Age: 18 - 70

Code: NCT06310291·EARLY_Phase 1·Recruiting

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Saruparib (AZD5305) Plus Camizestrant Compared With CDK4/6 Inhibitor Plus Endocrine Therapy or Plus Camizestrant in HR-Positive, HER2-Negative (IHC 0, 1+, 2+/ ISH Non-amplified), BRCA1, BRCA2, or PALB2m Advanced Breast Cancer

for Advanced Breast Cancer

Drug: Camizestrant

54 locations incl. Gilbert

Sponsor: AstraZeneca

Sex: All·Age: 18+

Code: NCT06380751·Phase 3·Recruiting

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A Phase 1, Dose-escalation Study of [225Ac]-FPI-2068 in Adult Patients With Advanced Solid Tumours

for Advanced Solid Tumor

11 locations incl. Irvine

Sponsor: AstraZeneca

Sex: All·Age: 18 - 130

Code: NCT06147037·Phase 1·Recruiting

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LUNAR-2: TTFields With Pembrolizumab + Platinum-based Chemotherapy for Metastatic NSCLC

for Metastatic Non-small Cell Lung Cancer

35 locations incl. Birmingham

Sponsor: NovoCure GmbH

Sex: All·Age: 18+

Code: NCT06216301·Phase 3·Recruiting

Apply to this trial

Hemophilia A Research Program

for Hemophilia A

1 location in Seattle

Sponsor: University of Washington

Sex: All·Age: All ages·Accepts healthy volunteers

Code: NCT07414511·Recruiting

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Action Towards Health Equity and Improved Air Quality in the Duwamish Valley: A Multilevel Asthma Intervention

for Asthma in Children

1 location in Seattle

Sponsor: University of Washington

Sex: All·Age: 6 - 17

Code: NCT06552013·Recruiting

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Functional Improvement in OSA and COPD With a Telehealth LifeStyle and Exercise Intervention

for Chronic Obstructive Pulmonary Disease

5 locations incl. Boise

Sponsor: Seattle Institute for Biomedical and Clinical Research

Sex: All·Age: 18+

Code: NCT06390345·Recruiting

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Testing the Impact of Thrive App Versions on Alcohol Use and Posttraumatic Stress After Recent Sexual Assault

for Posttraumatic Stress Symptom

1 location in Seattle

Sponsor: University of Washington

Sex: All·Age: 18+

Code: NCT06444295·Recruiting

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Selpercatinib Pre-RAI in Patients With RET Fusion Thyroid Cancer (RAISE)

for Differentiated Thyroid Cancer

4 locations incl. Philadelphia

Sponsor: Children's Hospital of Philadelphia

Sex: All·Age: 2 - 25

Code: NCT06458036·Phase 2·Recruiting

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Early BOTOX After Spinal Cord Injury

for Spinal Cord Injuries

1 location in Seattle

Sponsor: University of Washington

Sex: All·Age: 18 - 65

Code: NCT06793683·EARLY_Phase 1·Enrolling By Invitation

Phase 3 Study of Adjunctive Treatment With Seltorexant in Adult and Elderly Participants With Major Depressive Disorder and Insomnia Symptoms

for Depressive Disorder, Major

Drug: Seltorexant

84 locations incl. Birmingham

Sponsor: Janssen Research & Development, LLC

Sex: All·Age: 18 - 74

Code: NCT06559306·Phase 3·Recruiting

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Study of Enhanced Programming Stimulation with the Enterra® Therapy System

for Gastroparesis

6 locations incl. Tampa

Sponsor: Enterra Medical, Inc.

Sex: All·Age: 18 - 70

Code: NCT06560307·Recruiting

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ASSESS ALL ALS Study

for Amyotrophic Lateral Sclerosis

31 locations incl. Birmingham

Sponsor: St. Joseph's Hospital and Medical Center, Phoenix

Sex: All·Age: 18+·Accepts healthy volunteers

Code: NCT06578195·Recruiting

Apply to this trial

PREVENT ALL ALS Study

for Amyotrophic Lateral Sclerosis

31 locations incl. Birmingham

Sponsor: St. Joseph's Hospital and Medical Center, Phoenix

Sex: All·Age: 18+·Accepts healthy volunteers

Code: NCT06581861·Recruiting

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Cord Blood Transplant, Cyclophosphamide, Fludarabine, and Total-Body Irradiation in Treating Patients With High-Risk Hematologic Diseases

for Acute Leukemia of Ambiguous Lineage

1 location in Seattle

Sponsor: Fred Hutchinson Cancer Center

Sex: All·Age: 6 Months - 65

Code: NCT06013423·Phase 2·Recruiting

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TRIcvalve biCAVal Valve System for Severe Tricuspid Regurgitation (TRICAV-I)

for Tricuspid Regurgitation

36 locations incl. Phoenix

Sponsor: P+F Products + Features USA Inc.

Sex: All·Age: 18+

Code: NCT06137807·Recruiting

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Functional Imaging in Prediction of Response to Abemaciclib for Advanced Hormone Receptor-Positive, HER2-Negative Breast Cancer

for Anatomic Stage III Breast Cancer AJCC v8

2 locations incl. St Louis

Sponsor: University of Washington

Sex: All·Age: 18+

Code: NCT06179303·Phase 2·Recruiting

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A Study of I-DXd in Combination With Atezolizumab With or Without Carboplatin as First-Line Induction or Maintenance in Subjects With Extensive Stage-Small Cell Lung Cancer (IDeate-Lung03)

for Extensive Stage-small Cell Lung Cancer

Drug: Atezolizumab

26 locations incl. Birmingham

Sponsor: Daiichi Sankyo

Sex: All·Age: 18+

Code: NCT06362252·Phase 1, Phase 2·Recruiting

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A Study Evaluating the Real World Experience of Participants Treated With BRIUMVI® (Ublituximab-xiiy) for Relapsing Multiple Sclerosis (RMS)

for Relapsing Multiple Sclerosis

87 locations incl. Birmingham

Sponsor: TG Therapeutics, Inc.

Sex: All·Age: 18+

Code: NCT06433752·Recruiting

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Chemotherapy Combined With Immunotherapy Versus Immunotherapy Alone for Older Adults With Stage IIIB-IV Lung Cancer, The ACHIEVE Trial

for Advanced Lung Non-Small Cell Carcinoma

318 locations incl. Fayetteville

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 70+

Code: NCT06096844·Phase 3·Recruiting

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PEP-CMV Vaccine Targeting CMV Antigen to Treat Newly Diagnosed Pediatric HGG and DIPG and Recurrent Medulloblastoma

for High Grade Glioma

13 locations incl. Aurora

Sponsor: Nationwide Children's Hospital

Sex: All·Age: 3 - 39

Code: NCT05096481·Phase 2·Recruiting

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A Study of NVL-330 in Patients With Advanced or Metastatic HER2-altered NSCLC (HEROEX-1)

for Locally Advanced Solid Tumor

17 locations incl. Irvine

Sponsor: Nuvalent Inc.

Sex: All·Age: 18+

Code: NCT06521554·Phase 1·Recruiting

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Study of Acalabrutinib and Rituximab in Untreated Elderly and/or Frail Patients With DLBCL

for Diffuse Large B-Cell Lymphoma

Drug: Rituximab

14 locations incl. Berkeley

Sponsor: AstraZeneca

Sex: All·Age: 65 - 99

Code: NCT05952024·Phase 2·Recruiting

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Testing the Addition of BMS-986016 (Relatlimab) to the Usual Immunotherapy After Initial Treatment for Recurrent or Metastatic Nasopharyngeal Cancer

for Metastatic Nasopharyngeal Carcinoma

Drug: Relatlimab

83 locations incl. Dublin

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT06029270·Phase 2·Recruiting

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A Study Evaluating Atezolizumab, With or Without Bevacizumab, in Participants With Unresectable Hepatocellular Carcinoma and Child-pugh B7 and B8 Cirrhosis

for Hepatocellular Carcinoma

Drug: Atezolizumab

60 locations incl. Tucson

Sponsor: Genentech, Inc.

Sex: All·Age: 18+

Code: NCT06096779·Phase 2·Recruiting

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Study to Assess the Efficacy and Safety of Iovera®° System in Subjects With Upper Extremity Spasticity

for Spasticity, Cerebral or Spinal Condition

18 locations incl. Downey

Sponsor: Pacira Pharmaceuticals, Inc

Sex: All·Age: 18+

Code: NCT06340451·Recruiting

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Evaluating Treatments for Suicidal Veterans With PTSD

for Self-directed Violence

4 locations incl. Minneapolis

Sponsor: VA Office of Research and Development

Sex: All·Age: 18+

Code: NCT05974631·Recruiting

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A Study of the Oral EGFR Inhibitor PLB1004 in Non-Small Cell Lung Cancer

for Non-Small Cell Lung Cancer

7 locations incl. Sacramento

Sponsor: Avistone Biotechnology Co., Ltd.

Sex: All·Age: 18+

Code: NCT06046495·Phase 1·Recruiting

Apply to this trial

Viome Precision Nutritional Programs to Improve Clinical Outcomes for Mental Health Disorders

for Mental Health Issue

1 location in Bothell

Sponsor: Viome

Sex: All·Age: 25 - 75

Code: NCT06502717·Recruiting

Apply to this trial

TGRX-678 US Phase I for Subjects with Refractory or Advanced Chronic Myelogenous Leukemia

for Chronic Myelogenous Leukemia

2 locations incl. Houston

Sponsor: Shenzhen TargetRx Co., Ltd.

Sex: All·Age: 18+

Code: NCT06088888·Phase 1·Recruiting

Apply to this trial