Clinical trials near you

Clinical trials in the Phoenix area

1,323 studies are recruiting volunteers at 849 research sites in the Phoenix-Mesa-Chandler, AZ area.

Sites in Phoenix, Scottsdale, Chandler, Gilbert, Mesa, Glendale and 15 more towns.

#15 in the US for recruiting studies#1 in Arizona#83 in the US per resident

Studies recruiting
1,323
Research sites
849
Conditions studied
193
Studies per 100,000 residents
25.5

Conditions being studied

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

  • Lung cancer73 studies
  • Breast cancer66 studies
  • Colorectal cancer (bowel cancer)60 studies
  • Liver disease49 studies
  • Leukemia41 studies
  • Non-Hodgkin's lymphoma40 studies
  • Pancreatic cancer39 studies
  • Prostate cancer39 studies
  • Head and neck cancer32 studies
  • Neuroendocrine tumor32 studies
  • Overweight and obesity32 studies
  • Skin cancer30 studies
  • Inflammatory bowel disease (IBD)28 studies
  • Multiple myeloma (MM)28 studies
  • Melanoma27 studies
All 193 conditions
  • Lung cancer73
  • Breast cancer66
  • Colorectal cancer (bowel cancer)60
  • Liver disease49
  • Leukemia41
  • Non-Hodgkin's lymphoma40
  • Pancreatic cancer39
  • Prostate cancer39
  • Head and neck cancer32
  • Neuroendocrine tumor32
  • Overweight and obesity32
  • Skin cancer30
  • Inflammatory bowel disease (IBD)28
  • Multiple myeloma (MM)28
  • Melanoma27
  • Ovarian cancer25
  • Retinal degeneration25
  • Age-related macular degeneration (AMD)24
  • Bladder cancer24
  • Heart failure24
  • Kidney cancer24
  • Alzheimer's disease23
  • Uterine cancer23
  • Endometrial cancer21
  • Sarcoma of soft tissue21
  • Fatty liver disease (MASH/NASH)19
  • Type 2 diabetes19
  • Crohn's disease18
  • Cardiovascular disease17
  • Brain cancer16
  • Ischemic heart disease (IHD)16
  • Liver cancer16
  • Ulcerative colitis (UC)16
  • Chronic obstructive pulmonary disease (COPD)14
  • Peripheral nerve disease14
  • Rheumatoid arthritis14
  • Gastric cancer (stomach cancer)13
  • High blood pressure (hypertension)13
  • Interstitial lung disease13
  • Motor neuron disease (MND)13
  • Autism spectrum disorder (ASD)12
  • Chronic kidney disease (CKD)12
  • Depressive disorder12
  • Epilepsy12
  • Esophageal cancer12
  • Migraine12
  • Osteoarthritis (OA)12
  • Parkinson's disease (PD)12
  • Anemia11
  • Myelodysplastic syndrome (MDS)11
  • Stroke10
  • Amyotrophic lateral sclerosis (ALS)9
  • Atrial fibrillation (AF)9
  • Intellectual disability9
  • Peripheral vascular disease9
  • Pulmonary hypertension9
  • Systemic lupus erythematosus (SLE)9
  • Cervical cancer8
  • Congenital heart disease8
  • Eczema (atopic dermatitis)8
  • Fallopian tube cancer8
  • Low back pain8
  • Multiple sclerosis (MS)8
  • Psoriasis8
  • Asthma7
  • Dry eye syndrome7
  • Macular edema7
  • Myelofibrosis7
  • Chronic skin ulcer6
  • Down syndrome6
  • Hidradenitis suppurativa (HS)6
  • Gastrointestinal stromal tumor5
  • Idiopathic inflammatory myopathy5
  • Sickle cell disease5
  • Sjogren's syndrome5
  • Systemic sclerosis5
  • Tricuspid valve regurgitation5
  • Amyloidosis4
  • Anxiety disorder4
  • Biliary tract cancer4
  • Cutaneous T-cell lymphoma4
  • Diabetic eye disease4
  • Glaucoma4
  • Gout4
  • Influenza (flu)4
  • Narcolepsy4
  • Neuroblastoma4
  • Ocular hypertension4
  • Post-traumatic stress disorder (PTSD)4
  • Schizophrenia4
  • Sleep apnea4
  • Spinal muscular atrophy (SMA)4
  • Stargardt's disease4
  • Acute coronary syndrome3
  • Alpha-1-antitrypsin deficiency (AATD)3
  • Bipolar disorder3
  • Cardiomyopathy3
  • COVID-193
  • Cystic fibrosis3
  • Essential thrombocythemia (ET)3
  • Familial multiple polyposis syndrome3
  • Graves' disease3
  • Growth hormone deficiency3
  • Hereditary angioedema3
  • Hodgkin's lymphoma3
  • Human immunodeficiency virus infection (HIV)3
  • Hypercholesterolemia3
  • Immune thrombocytopenic purpura (ITP)3
  • Irritable bowel syndrome (IBS)3
  • Neuropathic pain3
  • Pericarditis3
  • Pompe disease3
  • Post-transplant lymphoproliferative disorder3
  • Psoriatic arthritis (PsA)3
  • Psychotic disorder3
  • Rotator cuff syndrome3
  • Scoliosis3
  • Smoking dependence3
  • Testicular cancer3
  • Thrombocytopenia3
  • Thrombotic microangiopathy3
  • Thyroid cancer3
  • Acromegaly2
  • Alopecia2
  • Axial spondyloarthritis2
  • Birth control (contraception)2
  • Chronic idiopathic urticaria (hives)2
  • Complex regional pain syndrome (CRPS)2
  • Esophagitis2
  • Fabry's disease2
  • Female infertility2
  • Food allergy2
  • Gallbladder cancer2
  • Graft-versus-host disease2
  • Hemophilia B2
  • Insomnia2
  • Juvenile idiopathic arthritis (JIA)2
  • Opioid use disorder2
  • Primary sclerosing cholangitis2
  • Rhabdomyosarcoma2
  • RSV infection2
  • Traumatic brain injury2
  • Urethral cancer2
  • Urinary incontinence2
  • Abdominal aortic aneurysm1
  • Abdominal cancer1
  • Acne1
  • Actinic keratosis1
  • Alcohol dependence1
  • Alopecia areata1
  • Anal cancer1
  • Atypical endometrial hyperplasia1
  • Bile duct cancer1
  • Bone cancer1
  • Cancer of unknown primary site (CUP)1
  • Cannabis use disorder1
  • Celiac disease1
  • Chronic sinusitis1
  • Cold agglutinin disease1
  • Duchenne muscular dystrophy (DMD)1
  • Endometriosis1
  • Epidermolysis bullosa1
  • Fibromyalgia1
  • Frown lines (glabellar lines)1
  • Fragile X syndrome1
  • Frontotemporal dementia (FTD)1
  • Germ cell tumor1
  • Hemophilia A1
  • Hepatitis B1
  • Huntington's disease (HD)1
  • Long QT syndrome1
  • Menopause symptoms1
  • Neurofibromatosis1
  • Neurofibromatosis type 1 (NF1)1
  • Osteoporosis1
  • Overactive bladder (OAB)1
  • Peritoneal cancer1
  • Polymyalgia rheumatica1
  • Primary biliary cholangitis (PBC)1
  • Progressive supranuclear palsy (PSP)1
  • Prurigo nodularis1
  • Recurrent urinary tract infection (UTI)1
  • Rett's disorder1
  • Short-sightedness (myopia)1
  • Spasmodic torticollis1
  • Tooth decay1
  • Type 1 diabetes1
  • Ureteral cancer1
  • Vaginal cancer1
  • Vascular dementia1
  • Vasculitis1
  • Vitiligo1
  • Vulvar cancer1

316 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 6495%
  • Adults 65 and over89%
  • Children and teens (under 18)17%
  • Healthy volunteers8%
  • Open to all sexes94%
  • Women only3%
  • Men only3%

58 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 18%
  • Phase 1/27%
  • Phase 219%
  • Phase 2/33%
  • Phase 331%
  • Phase 43%
  • No phase (device, behavioral and other studies)15%
  • Not stated13%

Most active research sites

The sites recruiting for the most studies in the area.

  1. Mayo Clinic ArizonaPhoenix157 studies
  2. Mayo Clinic in ArizonaScottsdale101 studies
  3. Phoenix Children's HospitalPhoenix100 studies
  4. HonorHealth Research InstituteScottsdale78 studies
  5. Banner - MD Anderson Cancer CenterGilbert57 studies
  6. Banner University Medical Center PhoenixPhoenix42 studies
  7. Cancer Center at Saint Joseph'sPhoenix37 studies
  8. Mayo Clinic Hospital in ArizonaPhoenix35 studies
  9. Barrow Neurological InstitutePhoenix29 studies
  10. Mayo Clinic ArizonaScottsdale27 studies
  11. St. Joseph's Hospital and Medical CenterPhoenix25 studies
  12. City of Hope - PhoenixGoodyear18 studies
  13. HonorHealthScottsdale17 studies
  14. Arizona State UniversityPhoenix15 studies
  15. Banner Children's at DesertMesa15 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 Phoenix area, https://www.localtrial.com/clinical-trials/arizona/phoenix, updated November 12, 2026.

With the link, for a web page

Source: <a href="https://www.localtrial.com/clinical-trials/arizona/phoenix">LocalTrial, Clinical trials in the Phoenix 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 Phoenix-Mesa-Chandler, AZ metropolitan area. Residents: 5,186,958, the Census Bureau's latest estimate. Updated November 12, 2026.

These figures describe studies, not advice. Talk to your doctor before joining one.

Tell us a little about yourself and we'll suggest the studies near you that may fit. Free and private.

Ready to see what's near you?

Get matched
Get matched