Clinical trials near you

Clinical trials in the Indianapolis area

854 studies are recruiting volunteers at 408 research sites in the Indianapolis-Carmel-Greenwood, IN area.

Sites in Indianapolis, Carmel, Avon, Fishers, Greenwood, Plainfield and 9 more towns.

#34 in the US for recruiting studies#1 in Indiana#33 in the US per resident

Studies recruiting
854
Research sites
408
Conditions studied
155
Studies per 100,000 residents
39.3

Conditions being studied

The conditions with the most studies recruiting in the area. A study can be for more than one condition.

  • Lung cancer43 studies
  • Breast cancer33 studies
  • Liver disease25 studies
  • Leukemia24 studies
  • Non-Hodgkin's lymphoma24 studies
  • Heart failure23 studies
  • Ovarian cancer23 studies
  • Overweight and obesity23 studies
  • Colorectal cancer (bowel cancer)21 studies
  • Uterine cancer21 studies
  • Age-related macular degeneration (AMD)17 studies
  • Alzheimer's disease16 studies
  • Cardiovascular disease16 studies
  • Head and neck cancer16 studies
  • Retinal degeneration16 studies
All 155 conditions
  • Lung cancer43
  • Breast cancer33
  • Liver disease25
  • Leukemia24
  • Non-Hodgkin's lymphoma24
  • Heart failure23
  • Ovarian cancer23
  • Overweight and obesity23
  • Colorectal cancer (bowel cancer)21
  • Uterine cancer21
  • Age-related macular degeneration (AMD)17
  • Alzheimer's disease16
  • Cardiovascular disease16
  • Head and neck cancer16
  • Retinal degeneration16
  • Type 2 diabetes16
  • Bladder cancer15
  • Endometrial cancer15
  • Inflammatory bowel disease (IBD)15
  • Prostate cancer15
  • Stroke15
  • Type 1 diabetes15
  • High blood pressure (hypertension)14
  • Ischemic heart disease (IHD)13
  • Multiple myeloma (MM)13
  • Pancreatic cancer13
  • Crohn's disease11
  • Atrial fibrillation (AF)10
  • Kidney cancer10
  • Peripheral nerve disease10
  • Alopecia9
  • Cardiomyopathy9
  • Eczema (atopic dermatitis)9
  • Esophageal cancer9
  • Hemophilia A9
  • Neuroendocrine tumor9
  • Skin cancer9
  • Brain cancer8
  • Melanoma8
  • Psoriasis8
  • Alopecia areata7
  • Anemia7
  • Chronic kidney disease (CKD)7
  • Cystic fibrosis7
  • Depressive disorder7
  • Fatty liver disease (MASH/NASH)7
  • Interstitial lung disease7
  • Pulmonary hypertension7
  • Chronic obstructive pulmonary disease (COPD)6
  • Fallopian tube cancer6
  • Gastric cancer (stomach cancer)6
  • Phenylketonuria (PKU)6
  • Sarcoma of soft tissue6
  • Sickle cell disease6
  • Ulcerative colitis (UC)6
  • Cervical cancer5
  • Congenital heart disease5
  • Diabetic eye disease5
  • Germ cell tumor5
  • Liver cancer5
  • Macular edema5
  • Myelodysplastic syndrome (MDS)5
  • Neurofibromatosis5
  • Opioid use disorder5
  • Hodgkin's lymphoma4
  • Intellectual disability4
  • Multiple sclerosis (MS)4
  • Neurofibromatosis type 1 (NF1)4
  • Abdominal aortic aneurysm3
  • Alcohol dependence3
  • Asthma3
  • Chronic skin ulcer3
  • Down syndrome3
  • Growth hormone deficiency3
  • Hemophilia B3
  • Hidradenitis suppurativa (HS)3
  • Juvenile idiopathic arthritis (JIA)3
  • Low back pain3
  • Migraine3
  • Motor neuron disease (MND)3
  • Neuroblastoma3
  • Parkinson's disease (PD)3
  • Peripheral vascular disease3
  • Pompe disease3
  • Primary sclerosing cholangitis3
  • Psoriatic arthritis (PsA)3
  • Systemic lupus erythematosus (SLE)3
  • Testicular cancer3
  • Traumatic brain injury3
  • Acne2
  • Actinic keratosis2
  • Alpha-1-antitrypsin deficiency (AATD)2
  • Amyloidosis2
  • Amyotrophic lateral sclerosis (ALS)2
  • Anal cancer2
  • Bipolar disorder2
  • Esophagitis2
  • Graft-versus-host disease2
  • Graves' disease2
  • Human immunodeficiency virus infection (HIV)2
  • Huntington's disease (HD)2
  • Hypertriglyceridemia2
  • Immune thrombocytopenic purpura (ITP)2
  • Insomnia2
  • Irritable bowel syndrome (IBS)2
  • Osteoarthritis (OA)2
  • Post-traumatic stress disorder (PTSD)2
  • Primary biliary cholangitis (PBC)2
  • Progressive supranuclear palsy (PSP)2
  • Rhabdomyosarcoma2
  • Schizophrenia2
  • Sleep apnea2
  • Smoking dependence2
  • Thrombocytopenia2
  • Thrombotic microangiopathy2
  • Tricuspid valve regurgitation2
  • Ureteral cancer2
  • Vitiligo2
  • Abdominal cancer1
  • Acute coronary syndrome1
  • Anxiety disorder1
  • Attention-deficit hyperactivity disorder (ADHD)1
  • Autism spectrum disorder (ASD)1
  • Bile duct cancer1
  • Biliary tract cancer1
  • Bone cancer1
  • Cannabis use disorder1
  • Carpal tunnel syndrome1
  • Celiac disease1
  • Dry eye syndrome1
  • Duchenne muscular dystrophy (DMD)1
  • Epilepsy1
  • Fabry's disease1
  • Frown lines (glabellar lines)1
  • Friedreich ataxia1
  • Frontotemporal dementia (FTD)1
  • Gallbladder cancer1
  • Gestational diabetes1
  • Gout1
  • Hepatitis B1
  • Hypercholesterolemia1
  • Influenza (flu)1
  • Neuropathic pain1
  • Overactive bladder (OAB)1
  • Pericarditis1
  • Peritoneal cancer1
  • Post-transplant lymphoproliferative disorder1
  • Prader-Willi syndrome1
  • Prurigo nodularis1
  • Rheumatoid arthritis1
  • Rotator cuff syndrome1
  • RSV infection1
  • Scoliosis1
  • Spinal muscular atrophy (SMA)1
  • Vascular dementia1

245 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 over82%
  • Children and teens (under 18)28%
  • Healthy volunteers9%
  • Open to all sexes93%
  • Women only5%
  • Men only3%

51 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 10%
  • Phase 16%
  • Phase 1/25%
  • Phase 217%
  • Phase 2/34%
  • Phase 328%
  • Phase 43%
  • No phase (device, behavioral and other studies)20%
  • Not stated17%

Most active research sites

The sites recruiting for the most studies in the area.

  1. Indiana UniversityIndianapolis354 studies
  2. Riley Hospital for ChildrenIndianapolis64 studies
  3. Franciscan HealthIndianapolis25 studies
  4. Dawes Fretzin Clinical Research Group, LLCIndianapolis18 studies
  5. Ascension Saint Vincent Indianapolis HospitalIndianapolis17 studies
  6. Ascension St. VincentIndianapolis17 studies
  7. IU Health North HospitalCarmel17 studies
  8. Riley Children's HospitalIndianapolis17 studies
  9. Community Health Network, Inc.Indianapolis16 studies
  10. Sidney and Lois Eskenazi HospitalIndianapolis16 studies
  11. Richard L. Roudebush VA Medical Center, Indianapolis, INIndianapolis13 studies
  12. IU Health Methodist HospitalIndianapolis12 studies
  13. Innovative Hematology, Inc.Indianapolis9 studies
  14. Josephson Wallack Munshower Neurology, PCIndianapolis9 studies
  15. Midwest Eye InstituteCarmel9 studies

Cite these figures

Free to use under CC BY 4.0. Please credit LocalTrial with a link to this page.

As text

Source: LocalTrial, Clinical trials in the Indianapolis area, https://www.localtrial.com/clinical-trials/indiana/indianapolis, updated November 12, 2026.

With the link, for a web page

Source: <a href="https://www.localtrial.com/clinical-trials/indiana/indianapolis">LocalTrial, Clinical trials in the Indianapolis 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 Indianapolis-Carmel-Greenwood, IN metropolitan area. Residents: 2,174,833, 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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