Clinical trials near you
Clinical trials in the San Jose area
933 studies are recruiting volunteers at 292 research sites in the San Jose-Sunnyvale-Santa Clara, CA area.
Sites in Palo Alto, Stanford, San Jose, Mountain View, Sunnyvale, Santa Clara and 4 more towns.
#28 in the US for recruiting studies#4 in California#22 in the US per resident
- Studies recruiting
- 933
- Research sites
- 292
- Conditions studied
- 167
- Studies per 100,000 residents
- 46.8
Conditions being studied
The conditions with the most studies recruiting in the area. A study can be for more than one condition.
- Leukemia45 studies
- Lung cancer43 studies
- Breast cancer41 studies
- Non-Hodgkin's lymphoma32 studies
- Head and neck cancer28 studies
- Prostate cancer24 studies
- Depressive disorder22 studies
- Ovarian cancer21 studies
- Sarcoma of soft tissue21 studies
- Liver disease20 studies
- Colorectal cancer (bowel cancer)19 studies
- Neuroendocrine tumor19 studies
- Pancreatic cancer18 studies
- Autism spectrum disorder (ASD)17 studies
- Kidney cancer17 studies
All 167 conditions
- Leukemia45
- Lung cancer43
- Breast cancer41
- Non-Hodgkin's lymphoma32
- Head and neck cancer28
- Prostate cancer24
- Depressive disorder22
- Ovarian cancer21
- Sarcoma of soft tissue21
- Liver disease20
- Colorectal cancer (bowel cancer)19
- Neuroendocrine tumor19
- Pancreatic cancer18
- Autism spectrum disorder (ASD)17
- Kidney cancer17
- Uterine cancer17
- Skin cancer16
- Peripheral nerve disease15
- Anxiety disorder14
- Endometrial cancer14
- Melanoma14
- Gastric cancer (stomach cancer)13
- Heart failure13
- Motor neuron disease (MND)13
- Liver cancer12
- Myelodysplastic syndrome (MDS)12
- Retinal degeneration12
- Stroke12
- Age-related macular degeneration (AMD)11
- Anemia11
- Cardiomyopathy11
- Brain cancer10
- Esophageal cancer10
- Ischemic heart disease (IHD)10
- Multiple myeloma (MM)10
- Parkinson's disease (PD)10
- Cardiovascular disease9
- Chronic kidney disease (CKD)9
- Congenital heart disease9
- Epilepsy9
- High blood pressure (hypertension)9
- Inflammatory bowel disease (IBD)9
- Obsessive-compulsive disorder (OCD)9
- Spinal muscular atrophy (SMA)9
- Type 2 diabetes9
- Hodgkin's lymphoma8
- Overweight and obesity8
- Post-traumatic stress disorder (PTSD)8
- Alzheimer's disease7
- Atrial fibrillation (AF)7
- Interstitial lung disease7
- Myelofibrosis7
- Pulmonary hypertension7
- Schizophrenia7
- Bladder cancer6
- Fallopian tube cancer6
- Ulcerative colitis (UC)6
- Amyotrophic lateral sclerosis (ALS)5
- Asthma5
- COVID-195
- Cutaneous T-cell lymphoma5
- Cystic fibrosis5
- Graft-versus-host disease5
- Multiple sclerosis (MS)5
- Neuroblastoma5
- Overactive bladder (OAB)5
- Rheumatoid arthritis5
- Short-sightedness (myopia)5
- Type 1 diabetes5
- Abdominal aortic aneurysm4
- Alcohol dependence4
- Cervical cancer4
- Epidermolysis bullosa4
- Essential thrombocythemia (ET)4
- Food allergy4
- Migraine4
- Rhabdomyosarcoma4
- Systemic sclerosis4
- Traumatic brain injury4
- Abdominal cancer3
- Amyloidosis3
- Attention-deficit hyperactivity disorder (ADHD)3
- Bile duct cancer3
- Biliary tract cancer3
- Crohn's disease3
- Duchenne muscular dystrophy (DMD)3
- Facioscapulohumeral muscular dystrophy3
- Fatty liver disease (MASH/NASH)3
- Gastrointestinal stromal tumor3
- Glaucoma3
- Insomnia3
- Intellectual disability3
- Low back pain3
- Ocular hypertension3
- Osteoarthritis (OA)3
- Peripheral vascular disease3
- Peritoneal cancer3
- Post-transplant lymphoproliferative disorder3
- Primary sclerosing cholangitis3
- Rhabdoid tumor3
- Scoliosis3
- Urinary incontinence3
- Beta thalassemia2
- Birth control (contraception)2
- Chronic obstructive pulmonary disease (COPD)2
- Complex regional pain syndrome (CRPS)2
- Diabetic eye disease2
- Down syndrome2
- Endometriosis2
- Gallbladder cancer2
- Germ cell tumor2
- Graves' disease2
- Hearing loss2
- Hemophilia A2
- Hidradenitis suppurativa (HS)2
- Huntington's disease (HD)2
- Idiopathic inflammatory myopathy2
- Influenza (flu)2
- Macular edema2
- Neurofibromatosis2
- Neurofibromatosis type 1 (NF1)2
- Opioid use disorder2
- Pompe disease2
- Sickle cell disease2
- Stargardt's disease2
- Systemic lupus erythematosus (SLE)2
- Testicular cancer2
- Thrombocytopenia2
- Vasculitis2
- Acute coronary syndrome1
- Alopecia1
- Alpha-1-antitrypsin deficiency (AATD)1
- Alpha thalassemia1
- Anal cancer1
- Bipolar disorder1
- Borderline personality disorder (BPD)1
- Celiac disease1
- Chronic skin ulcer1
- Cluster headaches1
- Cold agglutinin disease1
- Dry eye syndrome1
- Eating disorder1
- Eczema (atopic dermatitis)1
- Fabry's disease1
- Familial multiple polyposis syndrome1
- Immune thrombocytopenic purpura (ITP)1
- Juvenile idiopathic arthritis (JIA)1
- Male infertility1
- Methamphetamine dependence1
- Narcolepsy1
- Neuropathic pain1
- Phenylketonuria (PKU)1
- Polycythemia vera1
- Progressive supranuclear palsy (PSP)1
- Prurigo nodularis1
- Psoriasis1
- Psoriatic arthritis (PsA)1
- Psychotic disorder1
- Recurrent urinary tract infection (UTI)1
- RSV infection1
- Sjogren's syndrome1
- Sleep apnea1
- Thrombotic microangiopathy1
- Tricuspid valve regurgitation1
- Ureteral cancer1
- Uveitis1
- Vascular dementia1
273 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 6491%
- Adults 65 and over78%
- Children and teens (under 18)30%
- Healthy volunteers11%
- Open to all sexes93%
- Women only4%
- Men only3%
81 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 19%
- Phase 1/28%
- Phase 215%
- Phase 2/34%
- Phase 320%
- Phase 42%
- No phase (device, behavioral and other studies)24%
- Not stated17%
Most active research sites
The sites recruiting for the most studies in the area.
- Stanford UniversityPalo Alto275 studies
- Stanford UniversityStanford265 studies
- Stanford Cancer Institute Palo AltoPalo Alto45 studies
- VA Palo Alto Health Care System, Palo Alto, CAPalo Alto45 studies
- Kaiser Permanente Medical Center - Santa ClaraSanta Clara37 studies
- Kaiser Permanente-Santa Teresa-San JoseSan Jose36 studies
- Palo Alto Medical Foundation Health CarePalo Alto26 studies
- Stanford UniversityPalo Alto26 studies
- Palo Alto Medical Foundation-SunnyvaleSunnyvale23 studies
- Stanford Cancer CenterPalo Alto20 studies
- Stanford Cancer InstituteStanford18 studies
- Stanford Hospital and ClinicsStanford16 studies
- Palo Alto Medical Foundation-Camino DivisionMountain View15 studies
- Stanford Cancer Center South BaySan Jose12 studies
- Stanford Medical CenterStanford12 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 San Jose area, https://www.localtrial.com/clinical-trials/california/san-jose, updated November 12, 2026.
Source: <a href="https://www.localtrial.com/clinical-trials/california/san-jose">LocalTrial, Clinical trials in the San Jose 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 San Jose-Sunnyvale-Santa Clara, CA metropolitan area. Residents: 1,995,484, 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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