Healthy volunteers · Washington
Studies for healthy volunteers in Washington
121 studies have at least one recruiting site in Washington. These studies say in their official record that they accept healthy volunteers. Many are Phase 1 studies that test how a new medicine is absorbed and tolerated; others recruit healthy people as a comparison group alongside patients.
121 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteers
Sleep and Performance
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 18–30
- RecruitingHealthy volunteers
Late Onset Alzheimer's Disease
Columbia University
- Location
- Seattle, WA + 11 other US sites
- Eligibility basics
- Ages 55+
- RecruitingHealthy volunteers
Systems Analysis and Improvement to Optimize Opioid Use Disorder Care Quality and Continuity for Patients Exiting Jail
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 18–110
- RecruitingHealthy volunteers
Prostate Cancer Screening for People at Genetic Risk for Aggressive Disease, PATROL Study
University of Washington
- Location
- Seattle, WA + 6 other US sites
- Eligibility basics
- Ages 40+ · Men only
- RecruitingHealthy volunteers
QT-Digital Mental Health Engagement Study
University of Washington
- Location
- Seattle, WA + 1 other US site
- Eligibility basics
- Ages 14+
- RecruitingHealthy volunteers
An Automatically Adjusting Prosthetic Socket for People With Transtibial Amputation
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Using Shared Decision Making to Improve Family Media Use Planning
Seattle Children's Hospital
- Location
- Seattle, WA
- Eligibility basics
- Ages 11+
- RecruitingHealthy volunteers
BASIS Optimization
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Pharmacogenomics for Better Treatment of Fungal Infections Clinical Trial
The University of Queensland
- Location
- Seattle, WA
- Eligibility basics
- Ages 2+
- RecruitingHealthy volunteers
The INFLUENTIAL Trial- Evaluation of National Inpatient Influenza Vaccination Program
University of Colorado, Denver
- Location
- Seattle, WA + 1 other US site
- Eligibility basics
- Ages 6 mo–99
- RecruitingHealthy volunteers
Detailed Phenotypic and Genotype Study to Correlate RB1 Mutations Relating to Primary Ocular Tumors and Secondary Extra-ocular Metastasis.
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Delivering Evidence-Based Parenting Services to Families in Child Welfare Using Telehealth
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Effects of Hemp-Derived Cannabinoids on Menopause Symptoms
Washington State University
- Location
- Pullman, WA
- Eligibility basics
- Ages 40–60 · Women only
- RecruitingHealthy volunteers
Pediatric Normative Markerless Movement Analysis
MultiCare Health System Research Institute
- Location
- Puyallup, WA
- Eligibility basics
- Ages 3–25
- RecruitingHealthy volunteers
Individual Factors of CBT Underlying Success
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
Hemophilia A Research Program
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
North American Mitochondrial Disease Consortium Patient Registry and Biorepository (NAMDC)
Columbia University
- Location
- Seattle, WA + 15 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Cerebral Autosomal Dominant Arteriopathy With Subcortical Infarcts and Leukoencephalopathy (CADASIL) Study
University of Wisconsin, Madison
- Location
- Seattle, WA + 9 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Study of Healthy Aging and Physical Function With Elamipretide
David Marcinek
- Location
- Seattle, WA
- Eligibility basics
- Ages 65–80
- RecruitingHealthy volunteers
Ultrasound to Facilitate Stone Passage
University of Washington
- Location
- Seattle, WA + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Effect of High-Intensity Exercise to Attenuate Cognitive Function Limitations and Train Exercise Habits in Older People Living With HIV
University of Alabama at Birmingham
- Location
- Seattle, WA + 1 other US site
- Eligibility basics
- Ages 50–80
- RecruitingHealthy volunteersPhase 4
A Trial Comparing Screening Mammography With and Without Assistance From Artificial Intelligence for Breast Cancer Detection and Recall Rates in Adult Patients
Jonsson Comprehensive Cancer Center
- Location
- Seattle, WA + 5 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Target ALS Biomarker Study; Longitudinal Biofluids, Clinical Measures, and At Home Measures
Target ALS Foundation, Inc.
- Location
- Seattle, WA + 9 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Advancing Suicide Intervention Strategies for Teens During High Risk Periods
Seattle Children's Hospital
- Location
- Seattle, WA + 1 other US site
- Eligibility basics
- Ages 11–17
Who these studies look for
“Healthy” is decided at screening, not by you. Sites usually check vital signs, blood and urine tests, an ECG, your medications and sometimes your BMI or smoking status. A study can still turn you away for reasons that have nothing to do with being unwell, such as timing or a full roster.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.
Questions
Do healthy volunteer studies pay?
Many do, because volunteers give up time and follow strict schedules, but amounts are set by each study and are usually only confirmed by the research site. When a record states an amount we show the exact wording; otherwise we say compensation is not disclosed.
What happens at a screening visit?
Expect consent paperwork first, then a health questionnaire, vital signs, blood and urine samples and often an ECG. You can ask questions and withdraw at any time, before or after you sign.