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
Evaluating Response to Vitamin D3 and K2 Supplementation in Healthcare Personnel
Madigan Army Medical Center
- Location
- Tacoma, WA
- Eligibility basics
- Ages 18–69
- RecruitingHealthy volunteers
Caloric Balance Markers Study
Institute for Systems Biology
- Location
- Seattle, WA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
ADAPT Study: Assessing Diet, Appetite and Physiology Throughout Weight Loss Study)
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Auditory Prediction and Error Evaluation in the Speech of Individuals Who Stutter
Arizona State University
- Location
- Seattle, WA + 1 other US site
- Eligibility basics
- Ages 3+
- RecruitingHealthy volunteers
School-based Paraeducator Education for Engagement at Recess
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 5+
- RecruitingHealthy volunteers
Specialty Compared to Oncology Delivered Palliative Care for Patients With Acute Myeloid Leukemia
Massachusetts General Hospital
- Location
- Seattle, WA + 19 other US sites
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteers
Stress and Resilience
University of Washington
- Location
- Seattle, WA + 1 other US site
- Eligibility basics
- Ages 18–30
- RecruitingHealthy volunteers
TrialNet Pathway to Prevention of T1D
University of South Florida
- Location
- Seattle, WA + 16 other US sites
- Eligibility basics
- Ages 2–45
- RecruitingHealthy volunteers
Building Research for Intervention Development in Gliosis and Eating Habits
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 9+
- RecruitingHealthy volunteers
Impact Trial of Helping Educational Leaders Mobilize Evidence
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Puberty, Diabetes, and the Kidneys, When Eustress Becomes Distress (PANTHER Study)
Petter Bjornstad
- Location
- Seattle, WA + 1 other US site
- Eligibility basics
- Ages 8–14
- RecruitingHealthy volunteers
Virtual Implicit Bias Reduction and Neutralization Training (VIBRANT)
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 11–99
- RecruitingHealthy volunteers
Alcohol-focused Support of Survivors in Sororities Training (ASSIST) - Pilot
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Young Adult Education on Alcohol & Health
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 18–24 · Women only
- RecruitingHealthy volunteers
Trout Consumption in Young Children and Families and Brain Health
University of Idaho
- Location
- Pullman, WA + 1 other US site
- Eligibility basics
- Ages 3+
- RecruitingHealthy volunteers
Optimizing Infection Prophylaxis Prior to Shoulder Surgery
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 18–89 · Men only
- RecruitingHealthy volunteers
BASIS-T Efficacy Trial
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
Drug Excretion in Breast Milk
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 0 mo–50
- RecruitingHealthy volunteers
The Parkinson's Genetic Research Study
University of Washington
- Location
- Seattle, WA + 4 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Smart Eyewear to Automatically Detect Drug Delivery Events
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Enroll -HD: A Prospective Registry Study in a Global Huntington's Disease Cohort
CHDI Foundation, Inc.
- Location
- Kirkland, WA + 51 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Behavioral and Neural Characteristics of Adaptive Speech Motor Control
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 4+
- RecruitingHealthy volunteers
SpeeDx Ciprofloxacin gyrA Assay for N. Gonorrhoeae Gonococcal Infection
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
Trigger Point Injection for Myofascial Pain Syndrome in the Low Back: A Randomized Controlled Trial
Madigan Army Medical Center
- Location
- Tacoma, WA
- Eligibility basics
- Ages 18+
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.