Location · Illinois
Clinical trials recruiting in Illinois
890 recruiting studies have at least one site in Illinois; 285 accept healthy volunteers. Studies that need a specific condition are included too, so check each listing.
Want the research companies that run paid Phase 1 studies for healthy volunteers? Paid clinical trial companies in Illinois.
890 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- 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
- 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+