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 3
A Study on the Immune Response and Safety of an Investigational Combined Measles, Mumps, Rubella and Varicella Vaccine, When Administered as Intramuscular Injection to Healthy Children 15 Months to 6 Years of Age
GlaxoSmithKline
- Location
- Chicago, IL + 14 other US sites
- Eligibility basics
- Ages 1–6
- RecruitingHealthy volunteers
Food and Metabolism Study
Clinical Nutrition Research Center, Illinois Institute of Technology
- Location
- Chicago, IL
- Eligibility basics
- Ages 40–70
- RecruitingHealthy volunteersPhase 3
A Study on the Safety of an Investigational Chickenpox Vaccine, When Given to Healthy Children, 12 to 15 Months of Age
GlaxoSmithKline
- Location
- Chicago, IL + 14 other US sites
- Eligibility basics
- Ages 1–1
- RecruitingHealthy volunteersPhase 3
A Study on the Immune Response and Safety of an Investigational Chickenpox Vaccine When Given to Healthy Children 12 to 15 Months of Age
GlaxoSmithKline
- Location
- Moline, IL + 46 other US sites
- Eligibility basics
- Ages 1–1
- RecruitingHealthy volunteers
Development of a Database to Investigate Digital and Blood-Based Biomarkers and Their Relationship to Tau and Amyloid PET Imaging in Older Participants Who Are Cognitively Normal (CN), Have Mild Cognitive Impairment…
GAP Innovations, PBC
- Location
- Chicago, IL + 18 other US sites
- Eligibility basics
- Ages 60–90
- RecruitingHealthy volunteers
Autologous Hair Follicle Derived Secretome as Adjunct to Aesthetic Procedures
Acorn Biolabs Inc.
- Location
- Chicago, IL + 18 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Evaluate the Continued Safety and Performance of the Foot and Ankle Products
Arthrex, Inc.
- Location
- Chicago, IL + 2 other US sites
- Eligibility basics
- Ages 2+
- RecruitingHealthy volunteers
Caris Biorepository Research Protocol
Caris Science, Inc.
- Location
- Hinsdale, IL + 37 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Collection of Samples From the United States Population for Optimization and Evaluation of Colorectal Cancer (CRC) Plasma Circulating Free-DNA (cfDNA) Marker Panel Performance
Universal Diagnostics
- Location
- Lake Barrington, IL
- Eligibility basics
- Ages 45–84
- RecruitingHealthy volunteers
Efficacy in Controlling Myopia in Young Children Using a Novel Spectacle Lens
SightGlass Vision, Inc.
- Location
- Chicago, IL + 13 other US sites
- Eligibility basics
- Ages 6–8
- RecruitingHealthy volunteers
Collection of Samples USOPTIVAL Study
Universal Diagnostics
- Location
- Springfield, IL + 3 other US sites
- Eligibility basics
- Ages 45–84
- RecruitingHealthy volunteers
A Prospective Registry to Enable Collection of Standardized Routine Care Oncology Patient Data
N-Power Medicine
- Location
- Elk Grove Village, IL + 6 other US sites
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteers
The Effect Cranberry-Based Products on the Female Microbiome
Ocean Spray Cranberries, Inc.
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Postprandial Response to Fruit Juice
Ocean Spray Cranberries, Inc.
- Location
- Addison, IL
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteersPhase 3
Visualizing Brain Proteinopathies Using [F-18]Flornaptitril-PET in the Prediction of Clinical Progression of Mild Cognitive Impairment With Either Suspected Chronic Traumatic Encephalopathy or Alzheimer's Disease
CereMark Pharma, LLC
- Location
- Evanston, IL
- Eligibility basics
- Ages 45+
- RecruitingHealthy volunteers
Trial to Compare the Effects of Myo Munchee Therapy and Oral Motor Therapy (OMT) in Pediatric Patients to Treat Maxillary Deficiency and Orofacial Myofunctional Dysfunction (OMD).
Myo Munchee (Operations) Pty Ltd
- Location
- Chicago, IL + 1 other US site
- Eligibility basics
- Ages 3–5
- RecruitingHealthy volunteers
Effects of Effera Human Lactoferrin at One Dose Compared to Placebo on Gut Permeability
Helaina Inc.
- Location
- Addison, IL
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Feasibility of Using the Gatorade Sports Science Institute (GSSI) Labs App for Hydration Related Outcomes
PepsiCo Global R&D
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
InSpace Accelerated Rehabilitation Study
Stryker Endoscopy
- Location
- Chicago, IL + 10 other US sites
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
Formative Usability Assessment of Wireless Thermal Anisotropy Devices
Rhaeos, Inc.
- Location
- Chicago, IL
- Eligibility basics
- Ages 5–80
- RecruitingHealthy volunteers
A Clinical Trial to Assess Cognitive Effects of Cognitive Nutritional Supplement in General Population
Pharmavite LLC
- Location
- Addison, IL
- Eligibility basics
- Ages 25–65
- RecruitingHealthy volunteers
Validation and Scaling of Screening Program for Undiagnosed Myasthenia Gravis-Social Media Campaign Paired With a Self-moderated Assessment
ZS Associates
- Location
- Evanston, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 3
Safety and Efficacy of Brilaroxazine (RP5063) in Schizophrenia
Reviva Pharmaceuticals
- Location
- Chicago, IL + 16 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 1/Phase 2
A Clinical Study to Evaluate the Safety and Efficacy of ETX101 in Infants and Children With SCN1A-Positive Dravet Syndrome
Encoded Therapeutics
- Location
- Chicago, IL + 9 other US sites
- Eligibility basics
- Ages 6 mo–17