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 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
- RecruitingHealthy volunteers
Comparing Telephone Symptom Monitoring Interventions for Managing Symptoms and Psychological Distress During Oral Anti-Cancer Treatment
NRG Oncology
- Location
- Chicago, IL + 29 other US sites
- Eligibility basics
- Ages 18+
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.