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.

Filter results

Filter results

State

City

Phase

Study type

Intervention

Recruitment status

Condition

Sex

Age

Healthy volunteers only

1,824 clinical trials

↓ Download CSV

PROACTIVE-HF-2 Trial Heart Failure NYHA Class II and III

for Heart Failure NYHA Class II

47 locations incl. Phoenix

Sponsor: Endotronix, Inc.

Sex: All·Age: 18+

Code: NCT05934487·Recruiting

Apply to this trial

Evaluation of the GORE® Ascending Stent Graft

for Aortic Aneurysm, Thoracic

41 locations incl. Birmingham

Sponsor: W.L.Gore & Associates

Sex: All·Age: 18+

Code: NCT05800743·Enrolling By Invitation

Adding an Immunotherapy Drug, MEDI4736 (Durvalumab), to the Usual Chemotherapy Treatment (Paclitaxel, Cyclophosphamide, and Doxorubicin) for Stage II-III Breast Cancer

for Anatomic Stage II Breast Cancer AJCC v8

Drug: Durvalumab

537 locations incl. Birmingham

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT06058377·Phase 3·Recruiting

Apply to this trial

Alpelisib in Pediatric and Adult Patients With Lymphatic Malformations Associated With a PIK3CA Mutation.

for Lymphatic Malformations

16 locations incl. Oakland

Sponsor: Novartis Pharmaceuticals

Sex: All·Age: 0 - 100

Code: NCT05948943·Phase 2, Phase 3·Recruiting

Apply to this trial

A Phase III Study of Dato-DXd With or Without Durvalumab Compared With Investigator's Choice of Chemotherapy in Combination With Pembrolizumab in Patients With PD-L1 Positive Locally Recurrent Inoperable or Metastatic Triple-negative Breast Cancer

for Breast Cancer

Drug: Durvalumab

64 locations incl. Daphne

Sponsor: AstraZeneca

Sex: All·Age: 18+

Code: NCT06103864·Phase 3·Recruiting

Apply to this trial

ALLIANCE AVIV: Safety and Effectiveness of the SAPIEN X4 Transcatheter Heart Valve in Failing Aortic Bioprosthetic Valves

for Aortic Valve Insufficiency

32 locations incl. Newport Beach

Sponsor: Edwards Lifesciences

Sex: All·Age: All ages

Code: NCT05172973·Recruiting

Apply to this trial

Nasal Steroids, Irrigation, Oral Antibiotics, and Subgroup Targeting for Effective Management of Acute Sinusitis

for Sinus Infection

7 locations incl. Los Angeles

Sponsor: Daniel Merenstein

Sex: All·Age: 18 - 75

Code: NCT06076304·Phase 4·Recruiting

Apply to this trial

The PEERLESS II Study

for Pulmonary Embolism

50 locations incl. Birmingham

Sponsor: Inari Medical

Sex: All·Age: 18+

Code: NCT06055920·Recruiting

Apply to this trial

A Master Protocol Study (LY900038) of Multiple Intervention-Specific-Appendices (ISAs) in Adult Participants With Obesity or Overweight

for Obesity

49 locations incl. Chandler

Sponsor: Eli Lilly and Company

Sex: All·Age: 18 - 75

Code: NCT06143956·Phase 2·Recruiting

Apply to this trial

Treatment With Endovascular Intervention for STroke Patients With Existing Disability

for Stroke

25 locations incl. Phoenix

Sponsor: University of Cincinnati

Sex: All·Age: 18+

Code: NCT05911568·Recruiting

Apply to this trial

A Study Evaluating Sotorasib Platinum Doublet Combination Versus Pembrolizumab Platinum Doublet Combination as a Front-Line Therapy in Participants With Stage IV or Advanced Stage IIIB/C Nonsquamous Non-Small Cell Lung Cancers (CodeBreaK 202)

for Non-Small Cell Lung Cancer (NSCLC)

Drug: Sotorasib

21 locations incl. Santa Barbara

Sponsor: Amgen

Sex: All·Age: 18 - 100

Code: NCT05920356·Phase 3·Recruiting

Apply to this trial

OP-1250 (Palazestrant) vs. Standard of Care for the Treatment of ER+/HER2- Advanced Breast Cancer

for Breast Cancer

Drug: Palazestrant

47 locations incl. Tucson

Sponsor: Olema Pharmaceuticals, Inc.

Sex: All·Age: 18+

Code: NCT06016738·Phase 3·Recruiting

Apply to this trial

Adjuvant Therapeutic Cancer Vaccine (AST-201, pUMVC3-hIGFBP-2) in Patients With Advanced Ovarian Cancer

for Advanced Ovarian Cancer

1 location in Seattle

Sponsor: Aston Sci. Inc.

Sex: All·Age: 18+

Code: NCT05794659·Phase 2·Not Yet Recruiting

InMotion - Telehealth Delivered Exercise Promotion to Treat Major Depression After TBI

for TBI (Traumatic Brain Injury)

1 location in Seattle

Sponsor: University of Washington

Sex: All·Age: 18 - 64

Code: NCT06005194·Recruiting

Apply to this trial

Swift Outpatient Alternatives for Rapid Stabilization

for Suicidal Ideation

1 location in Seattle

Sponsor: University of Washington

Sex: All·Age: 13 - 21

Code: NCT05996172·Recruiting

Apply to this trial

CtDNA Based MRD Testing for NAC Monitoring in TNBC

for TNBC - Triple-Negative Breast Cancer

14 locations incl. Tucson

Sponsor: Personalis Inc.

Sex: Female·Age: 18+

Code: NCT06230185·Recruiting

Apply to this trial

Trial of Ixazomib for Kaposi Sarcoma

for Kaposi Sarcoma

11 locations incl. San Diego

Sponsor: AIDS Malignancy Consortium

Sex: All·Age: 18+

Code: NCT04305691·Phase 2·Recruiting

Apply to this trial

Preventing Liver Cancer Mortality Through Imaging With Ultrasound vs. MRI

for Carcinoma, Hepatocellular

32 locations incl. Birmingham

Sponsor: VA Office of Research and Development

Sex: All·Age: 18 - 75

Code: NCT05486572·Recruiting

Apply to this trial

Department of Defense PTSD Adaptive Platform Trial - Master Protocol

for Post Traumatic Stress Disorder

9 locations incl. Miami

Sponsor: Global Coalition for Adaptive Research

Sex: All·Age: 18 - 65·Accepts healthy volunteers

Code: NCT05422612·Phase 2·Recruiting

Apply to this trial

Department of Defense PTSD Adaptive Platform Trial - Intervention C - Daridorexant

for Post Traumatic Stress Disorder

Drug: Daridorexant

9 locations incl. Miami

Sponsor: Global Coalition for Adaptive Research

Sex: All·Age: 18 - 65·Accepts healthy volunteers

Code: NCT05948540·Phase 2·Recruiting

Apply to this trial

Paclitaxel Coated Balloon for the Treatment of Chronic bEnigN sTricture- Bowel

for Bowel

33 locations incl. Scottsdale

Sponsor: GIE Medical

Sex: All·Age: 22+

Code: NCT05561127·Phase 3·Recruiting

Apply to this trial

Safety and Efficacy of NEO212 in Patients With Astrocytoma IDH-mutant, Glioblastoma IDH-wildtype or Brain Metastasis

for Diffuse Astrocytoma, IDH-Mutant

6 locations incl. Beverly Hills

Sponsor: Neonc Technologies, Inc.

Sex: All·Age: 18+

Code: NCT06047379·Phase 1, Phase 2·Recruiting

Apply to this trial

A Study of JNJ-87189401 Combined With JNJ-78278343 for Advanced Prostate Cancer

for Prostatic Neoplasms

11 locations incl. Aurora

Sponsor: Janssen Research & Development, LLC

Sex: Male·Age: 18+

Code: NCT06095089·Phase 1·Recruiting

Apply to this trial

Evaluation of Lasofoxifene Combined With Abemaciclib Compared With Fulvestrant Combined With Abemaciclib in Locally Advanced or Metastatic ER+/HER2- Breast Cancer With an ESR1 Mutation

for Metastatic Breast Cancer

36 locations incl. Scottsdale

Sponsor: LeonaBio

Sex: All·Age: 18+

Code: NCT05696626·Phase 3·Recruiting

Apply to this trial

Fontan Udenafil Exercise Longitudinal Assessment Trial - 2

for Single Ventricle Heart Disease

37 locations incl. Phoenix

Sponsor: Mezzion Pharma Co. Ltd

Sex: All·Age: 12 - 18

Code: NCT05918211·Phase 3·Recruiting

Apply to this trial

Clinical Study of Ivonescimab for First-line Treatment of Metastatic NSCLC Patients

for Non-Small Cell Lung Cancer

Drug: Ivonescimab

76 locations incl. Phoenix

Sponsor: Summit Therapeutics

Sex: All·Age: 18+

Code: NCT05899608·Phase 3·Recruiting

Apply to this trial

Nectero EAST System Clinical Study

for Abdominal Aortic Aneurysm

37 locations incl. Scottsdale

Sponsor: Nectero Medical, Inc.

Sex: All·Age: 21 - 85

Code: NCT06001918·Phase 2, Phase 3·Recruiting

Apply to this trial

Down Syndrome Obstructive Sleep Apnea

for Down Syndrome

7 locations incl. Los Angeles

Sponsor: Brigham and Women's Hospital

Sex: All·Age: 5 - 18

Code: NCT06043440·Phase 2·Recruiting

Apply to this trial

Testing Continuous Versus Intermittent Treatment With the Study Drug Zanubrutinib for Older Patients With Previously Untreated Mantle Cell Lymphoma

for Mantle Cell Lymphoma

237 locations incl. Little Rock

Sponsor: Alliance for Clinical Trials in Oncology

Sex: All·Age: 60+

Code: NCT05976763·Phase 3·Recruiting

Apply to this trial

Evaluating the Addition of Adjuvant Chemotherapy to Ovarian Function Suppression Plus Endocrine Therapy in Premenopausal Patients With pN0-1, ER-Positive/HER2-Negative Breast Cancer and an Oncotype Recurrence Score Less Than or Equal to 25

for Breast Cancer

1208 locations incl. Birmingham

Sponsor: NRG Oncology

Sex: Female·Age: 18 - 60

Code: NCT05879926·Phase 3·Recruiting

Apply to this trial

A Study of the Efficacy and Safety of Adjuvant Autogene Cevumeran Plus Atezolizumab and mFOLFIRINOX Versus mFOLFIRINOX Alone in Participants With Resected PDAC

for Adenocarcinoma, Pancreatic Ductal

Drug: Atezolizumab

32 locations incl. Los Angeles

Sponsor: Genentech, Inc.

Sex: All·Age: 18+

Code: NCT05968326·Phase 2·Recruiting

Apply to this trial

A Study to Assess BMS-986460 in Participants With Metastatic Castration-resistant Prostate Cancer

for Metastatic Castration-resistant Prostate Cancer

8 locations incl. Palo Alto

Sponsor: Bristol-Myers Squibb

Sex: Male·Age: 18+

Code: NCT06067841·Phase 1·Recruiting

Apply to this trial

Online Social Learning Program for Parents With Irritable Bowel Syndrome: Raising Resilient Children

for Irritable Bowel Syndrome

1 location in Seattle

Sponsor: Seattle Children's Hospital

Sex: All·Age: 18+

Code: NCT05730491·Recruiting

Apply to this trial

Viome Nutritional Programs to Improve Clinical Outcomes for Metabolic Conditions

for Metabolic Health

1 location in Bothell

Sponsor: Viome

Sex: All·Age: 25 - 75

Code: NCT05564273·Recruiting

Apply to this trial

Evaluating the Impact of Social and Genetic Factors on Outcomes in Adolescent and Young Adult Cancer Survivors

for Hodgkin Lymphoma

428 locations incl. Anchorage

Sponsor: ECOG-ACRIN Cancer Research Group

Sex: All·Age: 18+

Code: NCT06002828·Recruiting

Apply to this trial

Comparing Combinations of Drugs to Treat Newly Diagnosed Multiple Myeloma (NDMM) When a Stem Cell Transplant is Not a Medically Suitable Treatment

for Plasma Cell Myeloma

397 locations incl. Anchorage

Sponsor: SWOG Cancer Research Network

Sex: All·Age: All ages

Code: NCT05561387·Phase 3·Recruiting

Apply to this trial

Delivering Evidence-Based Parenting Services to Families in Child Welfare Using Telehealth

for Parenting

1 location in Seattle

Sponsor: University of Washington

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

Code: NCT06109766·Recruiting

Apply to this trial

Testing the Addition of Total Ablative Therapy to Usual Systemic Therapy Treatment for Limited Metastatic Colorectal Cancer, The ERASur Study

for Metastatic Colorectal Adenocarcinoma

184 locations incl. Kingman

Sponsor: Alliance for Clinical Trials in Oncology

Sex: All·Age: 18+

Code: NCT05673148·Phase 3·Recruiting

Apply to this trial

An Adjuvant Endocrine-based Therapy Study of Camizestrant (AZD9833) in ER+/HER2- Early Breast Cancer (CAMBRIA-2)

for Breast Cancer, Early Breast Cancer

Drug: Camizestrant

148 locations incl. Dothan

Sponsor: AstraZeneca

Sex: All·Age: 18 - 130

Code: NCT05952557·Phase 3·Recruiting

Apply to this trial

Effect of Dalcetrapib on CV Risk in a Genetically Defined Population With a Recent ACS

for Acute Coronary Syndrome

178 locations incl. Alexander City

Sponsor: DalCor Pharmaceuticals

Sex: All·Age: 45+

Code: NCT05918861·Phase 3·Recruiting

Apply to this trial