Paid Clinical Trials in Washington

Washington has 1,831 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 19, 2026.

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1,831 clinical trials

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Neuroblastoma Biology Study

for Neuroblastoma

16 locations incl. Los Angeles

Sponsor: New Approaches to Neuroblastoma Therapy Consortium

Sex: All·Age: 31 Days - 99

Code: NCT01587300·Recruiting

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Physician Modified Endovascular Grafts

for Abdominal Aortic Aneurysms

1 location in Seattle

Sponsor: University of Washington

Sex: All·Age: 18+

Code: NCT01538056·Recruiting

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North American Mitochondrial Disease Consortium Patient Registry and Biorepository (NAMDC)

for Mitochondrial Disorders

16 locations incl. San Diego

Sponsor: Columbia University

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

Code: NCT01694940·Recruiting

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Longitudinal Study of the Porphyrias

for Acute Porphyrias

16 locations incl. Birmingham

Sponsor: The American Porphyrias Expert Collaborative

Sex: All·Age: 1 Minute+

Code: NCT01561157·Recruiting

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Natural History Study of SCID Disorders

for Severe Combined Immunodeficiency (SCID)

39 locations incl. Birmingham

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Sex: All·Age: All ages

Code: NCT01186913·Enrolling By Invitation

Genetics of Charcot Marie Tooth (CMT) - Modifiers of CMT1A, New Causes of CMT2

for Charcot-Marie-Tooth Disease, Type Ia (Disorder)

17 locations incl. Los Angeles

Sponsor: University of Iowa

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

Code: NCT01193088·Recruiting

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Nephrotic Syndrome Study Network

for Minimal Change Disease (MCD)

39 locations incl. Los Angeles

Sponsor: University of Michigan

Sex: All·Age: Up to 80

Code: NCT01209000·Recruiting

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Natural History Evaluation of Charcot Marie Tooth Disease (CMT) Types CMT1B, CMT2A, CMT4A, CMT4C, and Others

for Charcot Marie Tooth Disease

18 locations incl. Los Angeles

Sponsor: Michael Shy

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

Code: NCT01193075·Recruiting

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Improving Safety and Quality of Tracheal Intubation Practice in Pediatric ICUs

for Failed or Difficult Intubation, Sequela

63 locations incl. Birmingham

Sponsor: Children's Hospital of Philadelphia

Sex: All·Age: All ages

Code: NCT02493478·Recruiting

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Quantitative MRI Assessment of Breast Cancer Therapy Response

for Breast Cancer

4 locations incl. Iowa City

Sponsor: Corewell Health East

Sex: All·Age: 18+

Code: NCT05704062·Recruiting

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I-SPY TRIAL: Neoadjuvant and Personalized Adaptive Novel Agents to Treat Breast Cancer

for Breast Neoplasms

42 locations incl. Birmingham

Sponsor: QuantumLeap Healthcare Collaborative

Sex: All·Age: 18+

Code: NCT01042379·Phase 2·Recruiting

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The Parkinson's Genetic Research Study

for Parkinson's Disease

5 locations incl. Atlanta

Sponsor: University of Washington

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

Code: NCT01558479·Recruiting

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Collecting and Studying Blood and Tissue Samples From Patients With Locally Recurrent or Metastatic Prostate or Bladder/Urothelial Cancer

for Localized Renal Pelvis and Ureter Urothelial Carcinoma

1 location in Seattle

Sponsor: University of Washington

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

Code: NCT01050504·Recruiting

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Registry Study for Radiation Therapy Outcomes

for Neoplasms

29 locations incl. Scottsdale

Sponsor: Proton Collaborative Group

Sex: All·Age: All ages

Code: NCT01255748·Recruiting

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Dominantly Inherited Alzheimer Network (DIAN)

for Alzheimer's Disease

8 locations incl. Jacksonville

Sponsor: Washington University School of Medicine

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

Code: NCT00869817·Recruiting

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Prostate Active Surveillance Study

for Prostatic Neoplasms

10 locations incl. San Francisco

Sponsor: University of Washington

Sex: Male·Age: 21+

Code: NCT00756665·Recruiting

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HCRN Core Data Project: Characterizing Patient Populations in the Hydrocephalus Clinical Research Network (HCRN)

for Pediatric Hydrocephalus

11 locations incl. Birmingham

Sponsor: University of Utah

Sex: All·Age: Up to 18

Code: NCT00670735·Recruiting

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The Pediatric Anesthesia Quality Improvement Project

for Surgery

37 locations incl. Phoenix

Sponsor: The Society for Pediatric Anesthesia

Sex: All·Age: Up to 21

Code: NCT00674388·Recruiting

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ColoCare Study - Colorectal Cancer Cohort

for Colorectal Cancer

6 locations incl. Los Angeles

Sponsor: University of Utah

Sex: All·Age: 18 - 89

Code: NCT02328677·Recruiting

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Collection of Tissue Samples for Cancer Research

for Neoplasms

16 locations incl. Sacramento

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 2 Months+

Code: NCT00900198·Recruiting

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Biliary Atresia Study in Infants and Children

for Biliary Atresia

15 locations incl. Los Angeles

Sponsor: Arbor Research Collaborative for Health

Sex: All·Age: 6 Months - 20

Code: NCT00345553·Recruiting

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Longitudinal Study of Urea Cycle Disorders

for Brain Diseases, Metabolic, Inborn

12 locations incl. Los Angeles

Sponsor: Andrea Gropman

Sex: All·Age: All ages

Code: NCT00237315·Recruiting

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Genetic Determinants of Barrett's Esophagus and Esophageal Adenocarcinoma

for Barrett's Esophagus

10 locations incl. Baltimore

Sponsor: Case Western Reserve University

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

Code: NCT00288119·Recruiting

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Pompe Disease Registry Protocol

for Glycogen Storage Disease Type II

93 locations incl. Birmingham

Sponsor: Genzyme, a Sanofi Company

Sex: All·Age: All ages

Code: NCT00231400·Recruiting

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A Prospective Database of Infants With Cholestasis

for Biliary Atresia

15 locations incl. Los Angeles

Sponsor: Arbor Research Collaborative for Health

Sex: All·Age: Up to 6 Months

Code: NCT00061828·Recruiting

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TrialNet Pathway to Prevention of T1D

for Diabetes Mellitus, Type 1

17 locations incl. Orange

Sponsor: University of South Florida

Sex: All·Age: 2 - 45·Accepts healthy volunteers

Code: NCT00097292·Recruiting

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Apheresis and Specimen Collection Procedures to Obtain Plasma, Peripheral Blood Mononuclear Cells (PBMCs) and Other Specimens for Research Studies

for Sample Collection

2 locations incl. Bethesda

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Sex: All·Age: 3+·Accepts healthy volunteers

Code: NCT00067054·Recruiting

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Fabry Disease Registry & Pregnancy Sub-registry

for Fabry Disease

92 locations incl. Birmingham

Sponsor: Genzyme, a Sanofi Company

Sex: All·Age: All ages

Code: NCT00196742·Recruiting

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Childhood Cancer Survivor Study

for Cancer

30 locations incl. Birmingham

Sponsor: St. Jude Children's Research Hospital

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

Code: NCT01120353·Recruiting

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International Collaborative Gaucher Group (ICGG) Gaucher Disease Registry & Pregnancy Sub-registry

for Gaucher Disease

86 locations incl. Phoenix

Sponsor: Genzyme, a Sanofi Company

Sex: All·Age: All ages

Code: NCT00358943·Recruiting

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Product Performance Report: Evaluate Long-term Reliability & Performance of Medtronic Marketed Cardiac Therapy Products

for Arrhythmia

113 locations incl. Birmingham

Sponsor: Medtronic

Sex: All·Age: All ages

Code: NCT00271180·Recruiting

Apply to this trial