Healthy volunteers · Illinois
Studies for healthy volunteers in Illinois
285 studies have at least one recruiting site in Illinois. 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.
285 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteers
Increasing Germline Genetic Testing for Patients With Cancer
Josh Peterson
- Location
- Chicago, IL + 9 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
The Society for Obstetric Anesthesia and Perinatology Research Network General Anesthesia Registry
Yale University
- Location
- Chicago, IL + 32 other US sites
- Eligibility basics
- Ages 15–55 · Women only
- RecruitingHealthy volunteers
Gut Microbiota-Mediated Inflammatory Interactions Between AUD and HIV Infection
Rush University Medical Center
- Location
- Chicago, IL
- Eligibility basics
- Ages 45–75
- RecruitingHealthy volunteers
SPIROMICS Study of Early COPD Progression (SOURCE)
University of Massachusetts, Worcester
- Location
- Chicago, IL + 13 other US sites
- Eligibility basics
- Ages 30–55
- RecruitingHealthy volunteers
Surgical Approach to Uterine Septum
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 22–44 · Women only
- RecruitingHealthy volunteers
The Pediatric ALL Evaluation and Trial
Ann & Robert H Lurie Children's Hospital of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Up to age 18
- RecruitingHealthy volunteers
Test of Target Engagement of Ambiguity Aversion
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 25–60
- RecruitingHealthy volunteers
Choice and Autonomy in Learning Mindfulness for Pediatric Residents
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Genomic Predictors of Recurrent Pregnancy Loss
Yale University
- Location
- Chicago, IL + 8 other US sites
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Late Onset Alzheimer's Disease
Columbia University
- Location
- Aurora, IL + 11 other US sites
- Eligibility basics
- Ages 55+
- RecruitingHealthy volunteers
Prostate Cancer Screening for People at Genetic Risk for Aggressive Disease, PATROL Study
University of Washington
- Location
- Chicago, IL + 6 other US sites
- Eligibility basics
- Ages 40+ · Men only
- RecruitingHealthy volunteers
Characterization of Human Olfactory Amygdala Subregions
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Self-sampling to Optimize Anal Lesion Outcomes
Medical College of Wisconsin
- Location
- Chicago, IL + 2 other US sites
- Eligibility basics
- Ages 35+
- RecruitingHealthy volunteers
Characterization of Human Olfactory Amygdala Subregions Exp3
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Characterization of Human Olfactory Amygdala Subregions exp2
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Effectiveness of Relationship Education for Reducing HIV Incidence Among Men Who Have Sex With Men
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 16–34
- RecruitingHealthy volunteers
Cognitive-Sensorimotor Function in Long-COVID
VA Office of Research and Development
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
StuDy AimED at Increasing AlCohol AbsTinEnce
University of Illinois at Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–24
- RecruitingHealthy volunteers
EAT: A Reliable Eating Assessment Technology for Free-living Individuals
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Clinical Outcome Assessment for AT & BCI
Shirley Ryan AbilityLab
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Characterization of the Microbiome in Cutaneous T Cell Lymphoma
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–89
- RecruitingHealthy volunteersPhase 2
Probiotic Supplementation in Optimizing Iron and Hematological Status Among Pregnant Females
University of Illinois at Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Diet Synergy in Muscle Protein Synthesis
University of Illinois at Urbana-Champaign
- Location
- Urbana, IL
- Eligibility basics
- Ages 19–40
- RecruitingHealthy volunteers
Protocol for Collecting, Banking and Distributing Human Tissue Samples: St. Jude Children's Research Hospital Tissue Resources Core Facility
St. Jude Children's Research Hospital
- Location
- Peoria, IL + 12 other US sites
- Eligibility basics
- Any age listed
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.