Younger adults · Illinois
Studies for younger adults in Illinois
These studies accept adults from 21 or younger and set an upper age limit of 45 or below, so they are aimed at younger adults. Being in the age range does not mean you qualify; screening decides.
42 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteers
Evaluation of Approved Contact Lenses (CR-6657)
Johnson & Johnson Vision Care, Inc.
- Location
- Franklin Park, IL + 3 other US sites
- Eligibility basics
- Ages 18–39
- 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 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
- RecruitingPhase 3
A Study to Evaluate the Efficacy and Safety of Subcutaneous Nomlabofusp in Subjects With Friedreich's Ataxia
Larimar Therapeutics, Inc.
- Location
- Chicago, IL + 2 other US sites
- Eligibility basics
- Ages 12–40
- RecruitingPhase 2
Study of MRM-3379 in Male Participants With Fragile X Syndrome (BLOOM)
Mirum Pharmaceuticals, Inc.
- Location
- Chicago, IL + 13 other US sites
- Eligibility basics
- Ages 13–45 · Men only
- RecruitingPhase 3
A Study of Nipocalimab in Pregnancies at Risk for Severe Hemolytic Disease of the Fetus and Newborn (HDFN)
Janssen Research & Development, LLC
- Location
- Park Ridge, IL + 19 other US sites
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingPhase 3
A Study of Nipocalimab or Intravenous Immunoglobulin (IVIG) in Pregnancies At Risk of Fetal and Neonatal Alloimmune Thrombocytopenia (FNAIT)
Janssen Research & Development, LLC
- Location
- Park Ridge, IL + 11 other US sites
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingPhase 3
Human Menopausal Gonadotropin Research in Infertility Assessing Cumulative Live Birth With Frozen Embryo Transfer.
Granata Bio Corporation
- Location
- Chicago, IL + 14 other US sites
- Eligibility basics
- Ages 18–42 · Women only
- RecruitingPhase 3
Brexanolone Lifting Outcomes Of Moms
Lipocine Inc.
- Location
- Chicago, IL + 15 other US sites
- Eligibility basics
- Ages 15–45 · Women only
- RecruitingPhase 1/Phase 2
CNP-103 in Adolescent and Adult Subjects Ages 12-35 With Recently Diagnosed (Within 6 Months) Stage 3 Type 1 Diabetes (T1D)
COUR Pharmaceutical Development Company, Inc.
- Location
- Chicago, IL + 44 other US sites
- Eligibility basics
- Ages 12–35
- RecruitingPhase 1/Phase 2
Study to Evaluate Safety, Efficacy and Immunogenicity of Acne mRNA Vaccine in Adults With Moderate to Severe Acne
Sanofi Pasteur, a Sanofi Company
- Location
- Chicago, IL + 78 other US sites
- Eligibility basics
- Ages 18–45
- RecruitingPhase 3
A Clinical Trial of Elsunersen in Pediatric SCN2A-DEE to Assess Efficacy and Safety
Praxis Precision Medicines
- Location
- Chicago, IL + 5 other US sites
- Eligibility basics
- Ages 0 mo–18
- RecruitingPhase 1/Phase 2
Phase 1/2 Study of MZ-1866, an AAV-9 Gene Therapy Delivered by Intracerebroventricular Injection to Participants With Pitt Hopkins Syndrome
Mahzi Therapeutics
- Location
- Chicago, IL + 2 other US sites
- Eligibility basics
- Ages 2–25
- RecruitingPhase 3
To Investigate the Efficacy of Treatment With Oral NA-921 (Bionetide) Versus Placebo in Females With Rett Syndrome
Biomed Industries, Inc.
- Location
- Chicago, IL + 13 other US sites
- Eligibility basics
- Ages 5–20 · Women only
- RecruitingPhase 2/Phase 3
Evaluating the Pharmacokinetics, Pharmacodynamics, and Safety of Efgartigimod Administered Intravenously in Children With Generalized Myasthenia Gravis
argenx
- Location
- Chicago, IL + 2 other US sites
- Eligibility basics
- Ages 2–18
- Recruiting
Prenatal Study in Healthy Pregnant Women
Perelel Inc.
- Location
- Chicago, IL
- Eligibility basics
- Ages 21–40 · Women only
- RecruitingPhase 3
Fontan Udenafil Exercise Longitudinal Assessment Trial - 2
Mezzion Pharma Co. Ltd
- Location
- Chicago, IL + 34 other US sites
- Eligibility basics
- Ages 12–18
- RecruitingPhase 2/Phase 3
Safety and Efficacy of Tideglusib in Congenital or Childhood Onset Myotonic Dystrophy
AMO Pharma Limited
- Location
- Chicago, IL + 5 other US sites
- Eligibility basics
- Ages 6–45
- Recruiting
MASA Valve Early Feasibility Study
PECA Labs
- Location
- Peoria, IL + 4 other US sites
- Eligibility basics
- Ages 0 mo–22
- RecruitingHealthy volunteers
Rise & Thrive: Community-Engagement Intervention for Stress and Depression in Youth.
Ann & Robert H Lurie Children's Hospital of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 15–20
- RecruitingHealthy volunteers
Combatting HIV Or Other STIs Early (CHOOSE)
Westat
- Location
- Chicago, IL + 5 other US sites
- Eligibility basics
- Ages 13–24 · Men only
- RecruitingHealthy volunteers
A Novel Intervention for Weight Loss in Young Adults
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Alcohol, Breast Cancer, and Metabolism
University of Illinois at Urbana-Champaign
- Location
- Urbana, IL
- Eligibility basics
- Ages 21–45 · Women only