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
- RecruitingPhase 3
Efficacy of Atenativ in Patients With Congenital Antithrombin Deficiency Undergoing Surgery or Delivery
Octapharma
- Location
- Peoria, IL + 4 other US sites
- Eligibility basics
- Ages 12–80
- Recruiting
Use of the REGENETEN™ Bioinductive Implant System in High Grade Partial-thickness Tears
Smith & Nephew, Inc.
- Location
- Rockford, IL + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2/Phase 3
Nectero EAST System Clinical Study
Nectero Medical, Inc.
- Location
- Chicago, IL + 35 other US sites
- Eligibility basics
- Ages 21–85
- RecruitingPhase 3
A Study to Assess the Efficacy and Safety of Induction Therapy With Afimkibart (RO7790121) in Participants With Moderately to Severely Active Crohn's Disease
Hoffmann-La Roche
- Location
- Chicago, IL + 58 other US sites
- Eligibility basics
- Ages 16–80
- RecruitingPhase 2
Study of Remibrutinib (LOU064) Efficacy and Safety and Exploration of Its Mechanism of Action in Participants With Chronic Urticaria
Novartis Pharmaceuticals
- Location
- Glenview, IL + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
A Study to Evaluate the Efficacy, Safety, and Pharmacokinetics (PK) of RO7837195 in Participants With Moderately to Severely Active Ulcerative Colitis (UC)
Genentech, Inc.
- Location
- Chicago, IL + 7 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Study of Dotinurad Versus Allopurinol in Participants With Gout
Crystalys Therapeutics
- Location
- Chicago, IL + 81 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 3
A Study of Dotinurad Versus Allopurinol in Tophaceous Gout
Crystalys Therapeutics
- Location
- Chicago, IL + 82 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 3
A Study of NNZ-2591 in Pediatric Participants With Phelan-McDermid Syndrome
Neuren Pharmaceuticals Limited
- Location
- Chicago, IL + 16 other US sites
- Eligibility basics
- Ages 3–12
- RecruitingPhase 2
A Phase 2 Trial of Dotinurad in Xanthine Oxidase Inhibitor (XOI) Intolerant/Uricase Failure Gout Participants
Crystalys Therapeutics
- Location
- Chicago, IL + 40 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 1
A Study of the Feasibility, Safety and Tolerability of Aticaprant as Adjunctive Treatment in Participants With Schizophrenia
Janssen Research & Development, LLC
- Location
- Chicago, IL + 7 other US sites
- Eligibility basics
- Ages 18–55
- RecruitingPhase 3
A Research Study Investigating How Well the Medicine Zenagamtide Helps People With Excess Body Weight Lose Weight Compared to Semaglutide
Novo Nordisk A/S
- Location
- Skokie, IL + 32 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Relapse Prevention Trial Evaluating KarXT Treatment in Schizophrenia
Karuna Therapeutics, Inc., a Bristol Myers Squibb company
- Location
- Chicago, IL + 6 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 3
AMAZE 9: A Research Study Investigating How Well Zenagamtide Tablets Help People With Excess Body Weight Lose Weight
Novo Nordisk A/S
- Location
- Chicago, IL + 38 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
Effect of Patiromer in Children Under 12 Years of Age With High Blood Potassium Levels
Vifor Pharma, Inc.
- Location
- Peoria, IL + 9 other US sites
- Eligibility basics
- Ages 0 mo–11
- 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
- Recruiting
Study of GalaFLEX LITE™ Scaffold in Treatment of Capsular Contracture After Breast Implant Augmentation
C. R. Bard
- Location
- Chicago, IL + 32 other US sites
- Eligibility basics
- Ages 22–70 · Women only
- RecruitingPhase 3
Safety and Tolerability Trial of Lumateperone in Pediatric Patients With Schizophrenia, Bipolar Disorder or Autism Spectrum Disorder
Intra-Cellular Therapies, Inc.
- Location
- Naperville, IL + 46 other US sites
- Eligibility basics
- Ages 5–17
- RecruitingPhase 3
Multicenter Study of Lumateperone for the Treatment of Bipolar Depression in Pediatric Patients
Intra-Cellular Therapies, Inc.
- Location
- Chicago, IL + 33 other US sites
- Eligibility basics
- Ages 10–17
- 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 2
Study of Targeted Therapies for the Treatment of Adult Participants With Moderate to Severe Crohn's Disease
AbbVie
- Location
- Chicago, IL + 53 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 3
Phase 3 Study of Adjunctive Treatment With Seltorexant in Adult and Elderly Participants With Major Depressive Disorder and Insomnia Symptoms
Janssen Research & Development, LLC
- Location
- Chicago, IL + 41 other US sites
- Eligibility basics
- Ages 18–74
- RecruitingPhase 3
Multicenter Study of Lumateperone for the Treatment of Irritability Associated With Autism Spectrum Disorder in Pediatric Patients
Intra-Cellular Therapies, Inc.
- Location
- Elgin, IL + 27 other US sites
- Eligibility basics
- Ages 5–17
- RecruitingPhase 3
Multicenter Study of Lumateperone for the Treatment of Irritability Associated With Autism Spectrum Disorder (ASD) in Pediatric Patients
Intra-Cellular Therapies, Inc.
- Location
- Chicago, IL + 26 other US sites
- Eligibility basics
- Ages 5–17