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
Stable Isotopes- Adults With Obesity
University of Illinois at Urbana-Champaign
- Location
- Urbana, IL
- Eligibility basics
- Ages 19–59
- RecruitingHealthy volunteers
Exercise and Protein Efficiency in T2D
University of Illinois at Urbana-Champaign
- Location
- Urbana, IL
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
Early PKD Observational Cohort Study
University of Kansas Medical Center
- Location
- Chicago, IL + 2 other US sites
- Eligibility basics
- Ages 4–35
- RecruitingHealthy volunteers
Development of a Mobile Health Intervention for Electronic Cigarette Use Among Young Adults
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–26
- RecruitingHealthy volunteers
The ImPreSS Trial: Pharmacogenomic Decision Making at Time of Surgery
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Exogenous and Endogenous Risk Factors for Early-onset Colorectal Cancer
San Raffaele University
- Location
- Chicago, IL + 1 other US site
- Eligibility basics
- Ages 18–49
- RecruitingHealthy volunteers
IMARA for Black Male Caregivers and Girls Empowerment (IMAGE)
University of Illinois at Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 13+
- RecruitingHealthy volunteers
Assessing the Effects of Corn and Avocado Oils on the Cardiometabolic Risk Factor Profile
Midwest Center for Metabolic and Cardiovascular Research
- Location
- Addison, IL
- Eligibility basics
- Ages 18–74
- RecruitingHealthy volunteers
Menthol, Inflammation, and Nicotine Transition Study
Rosalind Franklin University of Medicine and Science
- Location
- North Chicago, IL
- Eligibility basics
- Ages 21–85
- RecruitingHealthy volunteers
Early Intervention to Promote Cardiovascular Health of Mothers and Children
JHSPH Center for Clinical Trials
- Location
- Chicago, IL + 8 other US sites
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteersPhase 3
Azithromycin Prophylaxis for PRElabor CEsarean DElivery Trial
The George Washington University Biostatistics Center
- Location
- Chicago, IL + 13 other US sites
- Eligibility basics
- Any age listed · Women only
- RecruitingHealthy volunteersPhase 3
Aspirin Dose Escalation for the Prevention of Recurrent Preterm Delivery Trial
The George Washington University Biostatistics Center
- Location
- Chicago, IL + 13 other US sites
- Eligibility basics
- Ages 14+ · Women only
- RecruitingHealthy volunteers
Hybrid Type I Effectiveness-Implementation Trial of a Social Network Support Intervention
University of Chicago
- Location
- Chicago, IL + 3 other US sites
- Eligibility basics
- Ages 18–49
- RecruitingHealthy volunteers
The INFLUENTIAL Trial- Evaluation of National Inpatient Influenza Vaccination Program
University of Colorado, Denver
- Location
- Chicago, IL + 1 other US site
- Eligibility basics
- Ages 6 mo–99
- RecruitingHealthy volunteers
NeuroVision vs Standard Neuromonitoring
Rush University Medical Center
- Location
- Chicago, IL
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Effect of Early Parent Education on Children's Sleep
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
The SENTINL-1 Study: Evaluating Patient-Reported Outcomes of AI-Inferred Lung Cancer Risk
University of Illinois at Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 50–80
- RecruitingHealthy volunteers
RemI for Post-Bariatric Surgery Weight Regain
Temple University
- Location
- Chicago, IL + 1 other US site
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteersPhase 3
Evaluating Whether an Educational Website Called Current Together After Cancer (CTAC) Improves Follow-up Care for Colorectal Cancer Survivors
SWOG Cancer Research Network
- Location
- Alton, IL + 374 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Noradrenergic Dysregulation, Sleep and Cognition in Older Adults With Insomnia
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 55+
- RecruitingHealthy volunteers
Understanding Practices of Lactation and Infant Feeding Together With Women With HIV in the United States
International Maternal Pediatric Adolescent AIDS Clinical Trials Group
- Location
- Chicago, IL + 1 other US site
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Neonatal Platelet Transfusion Threshold Trial
NICHD Neonatal Research Network
- Location
- Chicago, IL + 19 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Moon and Sun Brothers: A Community Prevention Intervention (Hermanos de Luna y Sol)
San Francisco State University
- Location
- Chicago, IL + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Heart Transplantation - Renewal
Northwestern University
- Location
- Chicago, IL + 1 other US site
- 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.