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 volunteersPhase 4
Tranexamic Acid for Second Trimester Dilation and Evacuation and Bleeding Outcomes
University of California, San Diego
- Location
- Chicago, IL + 2 other US sites
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Our Voices Matter: Intervention for Depression in Youth
Ann & Robert H Lurie Children's Hospital of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 15–20
- RecruitingHealthy volunteers
Trial in HPV Prevention for the U.S. Vietnamese Community
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
A Study of the Natural Progression of Interstitial Lung Disease (ILD)
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Gut and Skin Microbiome in Vitiligo Disease Progression
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–89
- 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+