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
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
- RecruitingHealthy volunteers
Preoperative Weight Loss for Open Abdominal Wall Reconstruction
Benjamin T. Miller
- Location
- Chicago, IL + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Predictors of Behavioral Obesity Treatment Outcomes
Rush University Medical Center
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Testing the Effectiveness and Implementation of a Meditation App for Youth in the Legal System
University of Illinois at Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 13–20
- RecruitingHealthy volunteers
Telephone-based Physical Activity Coaching or Self Monitored Physical Activity to Improve Physical Function in Older Adults Who Are Undergoing Surgery for Lung Cancer and Their Caregivers
City of Hope Medical Center
- Location
- Evanston, IL + 15 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The 1200 Patients Project: Studying the Implementation of Clinical Pharmacogenomic Testing
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Dysbiosis & Long COVID
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Black and African Americans Connections to Parkinson's Disease (BLAAC PD)
Michael J. Fox Foundation for Parkinson's Research
- Location
- Chicago, IL + 10 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
MyPEEPS LITE Trial
Columbia University
- Location
- Chicago, IL + 1 other US site
- Eligibility basics
- Ages 16–29 · Men only
- RecruitingHealthy volunteers
Reducing Overdose and Substance Use-related Stigma by Training Non-substance-using Friends and Family Members of People Who Use Opioids to Be Harm Reduction Champions
University of Illinois at Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Lung Cancer Screening in High-risk Black Individuals
Massachusetts General Hospital
- Location
- Chicago, IL + 1 other US site
- Eligibility basics
- Ages 50–80
- RecruitingHealthy volunteers
Cytokine Response to Abdominal Wall Reconstruction
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Percutaneous Nerve Evaluation Trial Time
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Objective Assessment of Outcomes Following Immediate Lymphatic Reconstruction / LYMPHA
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Pathobiomes in Gut of Critically Ill Patients
University of Chicago
- Location
- Hyde Park, IL
- Eligibility basics
- Ages 18–85
- RecruitingHealthy volunteers
Metabolic Endpoints for Obstructive Sleep Apnea Following Twelfth Cranial Nerve Stimulation
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Family Navigator Plus for Foster Parents
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Spinal Cord Stimulation for Functional Recovery in Humans With Tetraplegia
VA Office of Research and Development
- Location
- Chicago, IL + 1 other US site
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Cerebral Autosomal Dominant Arteriopathy With Subcortical Infarcts and Leukoencephalopathy (CADASIL) Study
University of Wisconsin, Madison
- Location
- Chicago, IL + 9 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 3
Geriatric Evaluation and Management With Survivorship Health Education for Older Survivors of Cancer, GEM-S Trial
University of Rochester
- Location
- Alton, IL + 43 other US sites
- Eligibility basics
- Ages 18+