Clinical trials near you
Clinical trials in the Chicago area
2,378 studies are recruiting volunteers at 1,221 research sites in the Chicago-Naperville-Elgin, IL-IN area.
Sites in Chicago, Evanston, Skokie, Naperville, Glenview, Oak Lawn and 34 more towns.
#5 in the US for recruiting studies#1 in Illinois#87 in the US per resident
- Studies recruiting
- 2,378
- Research sites
- 1,221
- Conditions studied
- 213
- Studies per 100,000 residents
- 25.3
Conditions being studied
The conditions with the most studies recruiting in the area. A study can be for more than one condition.
- Lung cancer139 studies
- Breast cancer103 studies
- Leukemia81 studies
- Non-Hodgkin's lymphoma73 studies
- Colorectal cancer (bowel cancer)66 studies
- Prostate cancer66 studies
- Head and neck cancer60 studies
- Overweight and obesity56 studies
- Liver disease53 studies
- Stroke51 studies
- Ovarian cancer47 studies
- Heart failure44 studies
- Uterine cancer39 studies
- Inflammatory bowel disease (IBD)38 studies
- Depressive disorder37 studies
All 213 conditions
- Lung cancer139
- Breast cancer103
- Leukemia81
- Non-Hodgkin's lymphoma73
- Colorectal cancer (bowel cancer)66
- Prostate cancer66
- Head and neck cancer60
- Overweight and obesity56
- Liver disease53
- Stroke51
- Ovarian cancer47
- Heart failure44
- Uterine cancer39
- Inflammatory bowel disease (IBD)38
- Depressive disorder37
- Pancreatic cancer37
- Bladder cancer36
- Multiple myeloma (MM)35
- Endometrial cancer33
- High blood pressure (hypertension)33
- Type 2 diabetes33
- Neuroendocrine tumor30
- Peripheral nerve disease30
- Cardiovascular disease26
- Chronic kidney disease (CKD)25
- Schizophrenia25
- Brain cancer24
- Human immunodeficiency virus infection (HIV)24
- Sarcoma of soft tissue24
- Skin cancer24
- Anemia23
- Atrial fibrillation (AF)23
- Kidney cancer23
- Liver cancer23
- Osteoarthritis (OA)23
- Ulcerative colitis (UC)23
- Chronic obstructive pulmonary disease (COPD)22
- Gastric cancer (stomach cancer)22
- Melanoma22
- Age-related macular degeneration (AMD)21
- Retinal degeneration21
- Alzheimer's disease20
- Crohn's disease19
- Esophageal cancer19
- Interstitial lung disease19
- Ischemic heart disease (IHD)19
- Multiple sclerosis (MS)19
- Myelodysplastic syndrome (MDS)19
- Anxiety disorder18
- Sickle cell disease18
- Parkinson's disease (PD)17
- Systemic lupus erythematosus (SLE)17
- Type 1 diabetes17
- COVID-1916
- Rheumatoid arthritis15
- Cervical cancer14
- Cardiomyopathy13
- Motor neuron disease (MND)13
- Peripheral vascular disease13
- Fallopian tube cancer12
- Sleep apnea12
- Post-traumatic stress disorder (PTSD)11
- Fatty liver disease (MASH/NASH)10
- Intellectual disability10
- Amyotrophic lateral sclerosis (ALS)9
- Cystic fibrosis9
- Eczema (atopic dermatitis)9
- Epilepsy9
- Graft-versus-host disease9
- Influenza (flu)9
- Low back pain9
- Myelofibrosis9
- Biliary tract cancer8
- Chronic skin ulcer8
- Congenital heart disease8
- Neuropathic pain8
- Systemic sclerosis8
- Traumatic brain injury8
- Autism spectrum disorder (ASD)7
- Bipolar disorder7
- Diabetic eye disease7
- Migraine7
- Neuroblastoma7
- Psoriasis7
- Urinary incontinence7
- Abdominal aortic aneurysm6
- Alopecia6
- Amyloidosis6
- Asthma6
- Dry eye syndrome6
- Hidradenitis suppurativa (HS)6
- Hodgkin's lymphoma6
- Idiopathic inflammatory myopathy6
- Opioid use disorder6
- Overactive bladder (OAB)6
- Peritoneal cancer6
- Phenylketonuria (PKU)6
- Psychotic disorder6
- Pulmonary hypertension6
- Rotator cuff syndrome6
- Smoking dependence6
- Abdominal cancer5
- Alopecia areata5
- Bile duct cancer5
- Down syndrome5
- Duchenne muscular dystrophy (DMD)5
- Gastrointestinal stromal tumor5
- Insomnia5
- Post-transplant lymphoproliferative disorder5
- Psoriatic arthritis (PsA)5
- Sjogren's syndrome5
- Spinal muscular atrophy (SMA)5
- Tricuspid valve regurgitation5
- Alcohol dependence4
- Anal cancer4
- Chronic idiopathic urticaria (hives)4
- Cutaneous T-cell lymphoma4
- Essential thrombocythemia (ET)4
- Fabry's disease4
- Hearing loss4
- Hypercholesterolemia4
- Pericarditis4
- Schizoaffective disorder4
- Thrombocytopenia4
- Axial spondyloarthritis3
- Celiac disease3
- Cerebral palsy3
- Epidermolysis bullosa3
- Esophagitis3
- Food allergy3
- Frontotemporal dementia (FTD)3
- Gallbladder cancer3
- Germ cell tumor3
- Gout3
- Graves' disease3
- Hemophilia A3
- Hepatitis C3
- Huntington's disease (HD)3
- Macular edema3
- Neurofibromatosis3
- Neurofibromatosis type 1 (NF1)3
- Postnatal depression3
- Radiculopathy3
- Short-sightedness (myopia)3
- Testicular cancer3
- Thyroid cancer3
- Ureteral cancer3
- Vascular dementia3
- Vasculitis3
- Acne2
- Actinic keratosis2
- Bone cancer2
- Complex regional pain syndrome (CRPS)2
- Familial multiple polyposis syndrome2
- Gestational diabetes2
- Hemophilia B2
- Hereditary angioedema2
- Immune thrombocytopenic purpura (ITP)2
- Irritable bowel syndrome (IBS)2
- Juvenile idiopathic arthritis (JIA)2
- Osteoporosis2
- Polycythemia vera2
- Primary sclerosing cholangitis2
- Progressive supranuclear palsy (PSP)2
- Rett's disorder2
- Rhabdomyosarcoma2
- Scoliosis2
- Spasmodic torticollis2
- Thrombotic microangiopathy2
- Thyroid eye disease2
- Urethral cancer2
- Vaginal cancer2
- Vitiligo2
- Achondroplasia1
- Acromegaly1
- Acute coronary syndrome1
- Alpha-1-antitrypsin deficiency (AATD)1
- Ankylosing spondylitis1
- Attention-deficit hyperactivity disorder (ADHD)1
- Atypical endometrial hyperplasia1
- Birth control (contraception)1
- Bone cyst1
- Cancer of unknown primary site (CUP)1
- Carpal tunnel syndrome1
- Dysmenorrhea1
- Endometriosis1
- Female infertility1
- Fibromyalgia1
- Fragile X syndrome1
- Friedreich ataxia1
- Glaucoma1
- Hepatitis B1
- Long QT syndrome1
- Menopause symptoms1
- Narcolepsy1
- Neuromyelitis optica spectrum disorder (NMOSD)1
- Ocular hypertension1
- Pemphigus vulgaris1
- Polycystic ovarian syndrome (PCOS)1
- Polymyalgia rheumatica1
- Pompe disease1
- Prader-Willi syndrome1
- Primary biliary cholangitis (PBC)1
- Primary hyperoxaluria1
- Prurigo nodularis1
- Recurrent urinary tract infection (UTI)1
- Rhabdoid tumor1
- RSV infection1
- Stargardt's disease1
- Tear of meniscus of knee1
- Vulvar cancer1
- Vulvovaginal candidiasis (thrush)1
- Wilson's disease1
710 more studies are for conditions not yet in our catalog.
Whom the studies accept
The share of the area's studies open to each group. A study can accept several.
- Adults 18 to 6494%
- Adults 65 and over84%
- Children and teens (under 18)21%
- Healthy volunteers11%
- Open to all sexes91%
- Women only5%
- Men only3%
135 studies are for children only.
Study phases
Earlier phases test safety in fewer people; later phases compare a treatment with the usual care in many.
- Early phase 11%
- Phase 17%
- Phase 1/26%
- Phase 218%
- Phase 2/33%
- Phase 324%
- Phase 43%
- No phase (device, behavioral and other studies)23%
- Not stated16%
Most active research sites
The sites recruiting for the most studies in the area.
- University of ChicagoChicago523 studies
- Northwestern UniversityChicago440 studies
- University of IllinoisChicago230 studies
- Ann & Robert H. Lurie Children's Hospital of ChicagoChicago161 studies
- Rush University Medical CenterChicago155 studies
- Loyola University Medical CenterMaywood91 studies
- Northwestern Memorial HospitalChicago74 studies
- Northwestern Medicine Cancer Center WarrenvilleWarrenville68 studies
- NorthShore University HealthSystem-Evanston HospitalEvanston67 studies
- Northwestern Medicine Cancer Center DelnorGeneva64 studies
- Northwestern Medicine Cancer Center KishwaukeeDekalb64 studies
- Advocate Lutheran General HospitalPark Ridge59 studies
- Advocate Christ Medical CenterOak Lawn56 studies
- Northwestern Medicine Orland ParkOrland Park56 studies
- Northwestern Medicine Lake Forest HospitalLake Forest52 studies
Cite these figures
Free to use under CC BY 4.0. Please credit LocalTrial with a link to this page.
Source: LocalTrial, Clinical trials in the Chicago area, https://www.localtrial.com/clinical-trials/illinois/chicago, updated November 12, 2026.
Source: <a href="https://www.localtrial.com/clinical-trials/illinois/chicago">LocalTrial, Clinical trials in the Chicago area</a>, updated November 12, 2026.
About these figures
Counted from ClinicalTrials.gov, the U.S. registry of clinical studies, for studies recruiting in the United States. A study is counted once however many sites it has in the area.
The area is the U.S. Census Bureau's Chicago-Naperville-Elgin, IL-IN metropolitan area. Residents: 9,408,576, the Census Bureau's latest estimate. Updated November 12, 2026.
These figures describe studies, not advice. Talk to your doctor before joining one.
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