Healthy volunteer studies in Portland, OR
67 studies at sites in and around Portland accept healthy volunteers — people without the condition being studied. Many studies pay participants for their time and travel; the amount is set by each study, so ask the study team.
Collecting Blood Samples From Patients With and Without Cancer to Evaluate Tests for Early Cancer Detection
RecruitingObservational studyHealthy volunteers welcome
- Providence Portland Medical Center, Portland
- Providence Saint Vincent Medical Center, Portland
- Providence Willamette Falls Medical Center, Oregon City · 12 mi away
Testing an Enhanced Digital Delivery Model for Inherited Cancer Genetic Testing in Young Adults With Cancer
RecruitingHealthy volunteers welcome
- Providence Portland Medical Center, Portland
- Providence Saint Vincent Medical Center, Portland
- Providence Willamette Falls Medical Center, Oregon City · 12 mi away
Family Communications After Genetic Testing
RecruitingHealthy volunteers welcome
- Providence Portland Medical Center, Portland
- Providence Saint Vincent Medical Center, Portland
- Providence Willamette Falls Medical Center, Oregon City · 12 mi away
Observational Study of Decentralized Urine Optical Interaction Patterns Associated With Environmental Microplastic and Nanoplastic Exposure
RecruitingObservational studyHealthy volunteers welcome
- Decentralized / At-Home Participation (U.S.), Portland
Clinical Outcomes and Pharmacotherapy Effectiveness in the VA Health Care System (COPE-VA)
RecruitingObservational studyHealthy volunteers welcome
- VA Portland Health Care System, Portland, OR, Portland
Cessation or Reduction of Alcohol Consumption in Veterans: A Randomized Controlled Trial for Alcohol Use Disorder (CRAVE)
RecruitingPhase 3Healthy volunteers welcome
- VA Portland Health Care System, Portland, OR, Portland
A Study on the Efficacy of a Vaccine Against Influenza in Adults ≥65 Years of Age
RecruitingPhase 3Healthy volunteers welcome
- GSK Investigational Site, Portland
Connect for Cancer Prevention Study (Connect)
RecruitingObservational studyHealthy volunteers welcome
- Kaiser Permanente Northwest, Portland
A Study of Aleniglipron in Adults With Obesity or Overweight and Type 2 Diabetes Mellitus (ACCOMPLISH-2)
RecruitingPhase 3Healthy volunteers welcome
- ACCOMPLISH-2 Research Site, Portland
Functional and Structural Imaging for Glaucoma
RecruitingObservational studyHealthy volunteers welcome
- Oregon Health & Science University, Casey Eye Institute, Portland
A Study to Learn About a Clostridioides Difficile Vaccine in People 65 Years of Age and Older
RecruitingPhase 3Healthy volunteers welcome
- Kaiser Permanente Center for Health Research, Portland
Natural History and Biospecimen Acquisition for Children and Adults With Rare Solid Tumors
RecruitingObservational studyHealthy volunteers welcome
- Oregon Health and Science University, Portland
Pragmatic Evaluation of Events And Benefits of Lipid-lowering in Older Adults
RecruitingPhase 4Healthy volunteers welcome
- Oregon Health and Science University, Portland
An Exercise Intervention for Improving Mental and Physical Health in Patients With Primary Brain Tumors and Their Caregivers, ET-NEURO Trial
RecruitingHealthy volunteers welcome
- OHSU Knight Cancer Institute, Portland
The HOPE Biobank Resource (BMT CTN 2402 HOPE)
RecruitingObservational studyHealthy volunteers welcome
- Oregon Health and Science University, Portland
ASSESS ALL ALS Study
RecruitingObservational studyHealthy volunteers welcome
- Providence ALS Center, Portland
PREVENT ALL ALS Study
RecruitingObservational studyHealthy volunteers welcome
- Providence ALS Center, Portland
Pimavanserin vs. Quetiapine for Treatment of Parkinson's Psychosis
RecruitingPhase 4Healthy volunteers welcome
- VA Portland Health Care System, Portland, OR, Portland
Sleep Duration and Cardiovascular Health
RecruitingHealthy volunteers welcome
- Oregon Health and Science University, Portland
PPMI Clinical - Establishing a Deeply Phenotyped PD Cohort
RecruitingObservational studyHealthy volunteers welcome
- Oregon Health &Science University, Portland
Pancreatic Cancer Early Detection Consortium
RecruitingObservational studyHealthy volunteers welcome
- Oregon Health & Science University, Portland
Comprehensive HHT Outcomes Registry of the United States (CHORUS)
RecruitingObservational studyHealthy volunteers welcome
- Oregon Health and Science University, Portland
Identifying and Caring for Individuals With Inherited Cancer Syndrome
RecruitingHealthy volunteers welcome
- Providence Portland Medical Center, Portland
- OHSU Knight Cancer Institute, Portland
Disparities in Emergency Contraceptive Metabolism Dictate Efficacy
RecruitingPhase 4Healthy volunteers welcome
- OHSU, Portland
The Society for Obstetric Anesthesia and Perinatology Research Network General Anesthesia Registry
RecruitingObservational studyHealthy volunteers welcome
- Oregon Health & Science University, Portland
Galleri® in the Medicare Population.
RecruitingHealthy volunteers welcome
- OHSU CEDAR Clinical Trials Portland, Portland
- OHSU CEDAR Clinical Trials Richmond, Portland
Prostate Cancer Screening for People at Genetic Risk for Aggressive Disease, PATROL Study
RecruitingObservational studyHealthy volunteers welcome
- OHSU Knight Cancer Institute, Portland
Using EMA Data to Inform a Web-intervention for Couples Concerned About Drinking
RecruitingHealthy volunteers welcome
- Portland State University, Portland
Mediators and Moderators of Auditory Training
RecruitingHealthy volunteers welcome
- Oregon Health & Science University, Portland
Methylphenidate for the Treatment of Epilepsy-related Cognitive Deficits
RecruitingPhase 4Healthy volunteers welcome
- VA Portland Health Care System, Portland, OR, Portland
Evaluating Whether an Educational Website Called Current Together After Cancer (CTAC) Improves Follow-up Care for Colorectal Cancer Survivors
RecruitingPhase 3Healthy volunteers welcome
- Providence Portland Medical Center, Portland
- Providence Saint Vincent Medical Center, Portland
- Providence Willamette Falls Medical Center, Oregon City · 12 mi away
Beat Childhood Cancer Specimen Banking and Data Registry
RecruitingObservational studyHealthy volunteers welcome
- Randall Children's Hospital, Portland
Montalcino Aortic Consortium: Precision Medicine for Heritable Thoracic Aortic Disease
RecruitingObservational studyHealthy volunteers welcome
- Oregon Health & Science University, Portland
cfDNA Assay Prospective Observational Validation for Early Cancer Detection and Minimal Residual Disease
RecruitingObservational studyHealthy volunteers welcome
- Oregon Health Sciences University, Portland
Cerebral Autosomal Dominant Arteriopathy With Subcortical Infarcts and Leukoencephalopathy (CADASIL) Study
RecruitingObservational studyHealthy volunteers welcome
- Oregon Health & Science University, Portland
Insights in Endocervical Mucus Secretion
RecruitingPhase 4Healthy volunteers welcome
- Oregon Health & Science University, Portland
CGM for the Early Detection and Management of Hyperglycemia in Pregnancy
RecruitingHealthy volunteers welcome
- Oregon Health & Science University, Portland
Diaphragmatic Hernia Research & Exploration, Advancing Molecular Science
RecruitingObservational studyHealthy volunteers welcome
- Oregon Health & Science University, Doernbecher Children's Hospital, Portland
The Influence of Sleep on Cardiovascular Outcomes
RecruitingHealthy volunteers welcome
- Oregon Health & Science University, Portland
Food and Circadian Timing
RecruitingHealthy volunteers welcome
- Oregon Health & Science University, Portland
STELLA-FTD: Examination of a Behavior Change Intervention for FTD Family Care Partners
RecruitingHealthy volunteers welcome
- Oregon Health & Science University, Portland
Support Via Technology: Living and Learning With Advancing Dementia-REVISED
RecruitingHealthy volunteers welcome
- Oregon Health & Science University, Layton Aging and Alzheimer's Disease Research Center, Portland
Comparative Effectiveness of Cryoablation Versus Steroid and Lidocaine Alone for Treatment of Morton's Neuroma
RecruitingHealthy volunteers welcome
- Oregon Health Sciences University, Portland
Magnetic Resonance Imaging and Biomarkers for Muscular Dystrophy
RecruitingObservational studyHealthy volunteers welcome
- Oregon Health and Science University, Portland
OCT Angiography and NRAI in Dementia
RecruitingObservational studyHealthy volunteers welcome
- Oregon Health & Science University, Portland
Observational Study of Iris Tumors
RecruitingObservational studyHealthy volunteers welcome
- Oregon Health & Science University, Portland
OCT in Diagnosis of Irregular Corneas
RecruitingObservational studyHealthy volunteers welcome
- Humberto Martinez, Portland
Effect of Abdominal Wall Injections on Abdominal Pain
RecruitingPhase 4Healthy volunteers welcome
- OHSU, Portland
- Oregon Health Sciences University, Portland
Immunogenicity of Yellow Fever Vaccine 17D in Adults With Prior 17D Vaccination
RecruitingPhase 1/2Healthy volunteers welcome
- Oregon Health & Science University, Portland
Effects of a Specific Substance in Smokers
RecruitingHealthy volunteers welcome
- Oregon Health and Science University, Portland
Specialty Compared to Oncology Delivered Palliative Care for Patients With Acute Myeloid Leukemia
RecruitingHealthy volunteers welcome
- Oregon Health & Science University, Portland
Quantification & Classification of Inflammatory Cells in Uveitis Using OCT
RecruitingObservational studyHealthy volunteers welcome
- Casey Eye Institute - Oregon Health & Science University, Portland
EMBRACE: Exercising Together
RecruitingPhase 2Healthy volunteers welcome
- OHSU Knight Cancer Institute, Portland
Diet and Active Lifestyle - Yuuyaraq (The Yup'ik Way of Life)
RecruitingHealthy volunteers welcome
- Oregon Health and Science University, Portland
The ME&MG Digital Solution for Autonomous Assessment of Myasthenia Gravis
RecruitingHealthy volunteers welcome
- OHSU, Portland
Focus Groups in Ethnically and Racially Diverse Families
RecruitingObservational studyHealthy volunteers welcome
- Oregon Health & Science University, Portland
Endometrial Biopsy in Progestin Contraceptive Users
RecruitingEarly phase 1Healthy volunteers welcome
- OHSU, Portland
Monoferric for Prenatal Iron Deficiency
RecruitingEarly phase 1Healthy volunteers welcome
- Oregon Health & Science Univerity, Portland
Sex Differences in Trauma, Inflammation and Brain Function and the Implications for Treatment Efficacy in Alcohol Use Disorder
RecruitingPhase 4Healthy volunteers welcome
- VA Portland Health Care System, Portland
The Parkinson's Genetic Research Study
RecruitingObservational studyHealthy volunteers welcome
- Portland VA Medical Center, Portland
Reaching Out to Distressed Medical Residents, Fellows and Faculty
RecruitingHealthy volunteers welcome
- Oregon Health and Science University, Portland
Total Intravenous Versus Inhalational Anesthesia- A Geriatric Anesthesia Study
RecruitingPhase 4Healthy volunteers welcome
- Oregon Health & Science University, Portland
Sleep and Metabolism
RecruitingHealthy volunteers welcome
- Oregon Health & Science University, Portland
Enroll -HD: A Prospective Registry Study in a Global Huntington's Disease Cohort
RecruitingObservational studyHealthy volunteers welcome
- Oregon Health and Science University, Portland
OCT Angiography in Wet AMD
RecruitingObservational studyHealthy volunteers welcome
- Casey Eye Institute, Oregon Health & Science University, Portland
Clinical and Genetic Analysis of ROP
RecruitingObservational studyHealthy volunteers welcome
- Oregon Health & Science University, Portland
Augmentation of Limb Perfusion With Contrast Ultrasound
RecruitingHealthy volunteers welcome
- OHSU, Portland
From ClinicalTrials.gov, data retrieved Oct 5, 2026. Each study sets its own eligibility; the study team decides who can join.