Clinical trials near you
Clinical trials in the Boston area
2,759 studies are recruiting volunteers at 891 research sites in the Boston-Cambridge-Newton, MA-NH area.
Sites in Boston, Cambridge, Foxboro, Charlestown, Waltham, Brighton and 34 more towns.
#4 in the US for recruiting studies#1 in Massachusetts#13 in the US per resident
- Studies recruiting
- 2,759
- Research sites
- 891
- Conditions studied
- 218
- Studies per 100,000 residents
- 54.9
Conditions being studied
The conditions with the most studies recruiting in the area. A study can be for more than one condition.
- Lung cancer146 studies
- Breast cancer143 studies
- Leukemia100 studies
- Colorectal cancer (bowel cancer)89 studies
- Head and neck cancer81 studies
- Non-Hodgkin's lymphoma72 studies
- Prostate cancer69 studies
- Depressive disorder68 studies
- Ovarian cancer64 studies
- Uterine cancer60 studies
- Endometrial cancer52 studies
- Multiple myeloma (MM)50 studies
- Pancreatic cancer49 studies
- Alzheimer's disease47 studies
- Stroke47 studies
All 218 conditions
- Lung cancer146
- Breast cancer143
- Leukemia100
- Colorectal cancer (bowel cancer)89
- Head and neck cancer81
- Non-Hodgkin's lymphoma72
- Prostate cancer69
- Depressive disorder68
- Ovarian cancer64
- Uterine cancer60
- Endometrial cancer52
- Multiple myeloma (MM)50
- Pancreatic cancer49
- Alzheimer's disease47
- Stroke47
- Heart failure46
- Liver disease46
- Overweight and obesity45
- Peripheral nerve disease44
- Anxiety disorder43
- Brain cancer43
- Neuroendocrine tumor41
- Sarcoma of soft tissue40
- Skin cancer38
- Cardiovascular disease35
- Type 2 diabetes35
- Bladder cancer33
- High blood pressure (hypertension)32
- Inflammatory bowel disease (IBD)32
- Ischemic heart disease (IHD)32
- Gastric cancer (stomach cancer)30
- Kidney cancer28
- Chronic kidney disease (CKD)27
- Melanoma27
- Motor neuron disease (MND)26
- Retinal degeneration26
- Congenital heart disease25
- Myelodysplastic syndrome (MDS)25
- Cardiomyopathy24
- Anemia23
- Epilepsy23
- Esophageal cancer23
- Liver cancer23
- Age-related macular degeneration (AMD)21
- Amyloidosis21
- Atrial fibrillation (AF)21
- Crohn's disease21
- Multiple sclerosis (MS)21
- Schizophrenia21
- Type 1 diabetes21
- Human immunodeficiency virus infection (HIV)20
- Parkinson's disease (PD)20
- Post-traumatic stress disorder (PTSD)20
- Amyotrophic lateral sclerosis (ALS)19
- Cervical cancer19
- Graft-versus-host disease19
- Fallopian tube cancer18
- Cystic fibrosis17
- Traumatic brain injury17
- Chronic obstructive pulmonary disease (COPD)16
- Interstitial lung disease16
- Ulcerative colitis (UC)16
- Biliary tract cancer14
- Insomnia14
- Intellectual disability14
- Peripheral vascular disease14
- Myelofibrosis13
- Osteoarthritis (OA)13
- Thrombocytopenia13
- Autism spectrum disorder (ASD)12
- Hodgkin's lymphoma12
- Neuroblastoma12
- Opioid use disorder12
- Psychotic disorder12
- Pulmonary hypertension12
- Sickle cell disease12
- Systemic lupus erythematosus (SLE)12
- Asthma11
- Attention-deficit hyperactivity disorder (ADHD)11
- COVID-1911
- Psoriasis11
- Rheumatoid arthritis11
- Thrombotic microangiopathy11
- Bipolar disorder10
- Eating disorder10
- Migraine10
- Hidradenitis suppurativa (HS)9
- Sleep apnea9
- Dry eye syndrome8
- Fatty liver disease (MASH/NASH)8
- Glaucoma8
- Hearing loss8
- Idiopathic inflammatory myopathy8
- Neuropathic pain8
- Ocular hypertension8
- Systemic sclerosis8
- Thyroid cancer8
- Abdominal aortic aneurysm7
- Bile duct cancer7
- Eczema (atopic dermatitis)7
- Food allergy7
- Gastrointestinal stromal tumor7
- Immune thrombocytopenic purpura (ITP)7
- Obsessive-compulsive disorder (OCD)7
- Neuromyelitis optica spectrum disorder (NMOSD)6
- Post-transplant lymphoproliferative disorder6
- Spinal muscular atrophy (SMA)6
- Alopecia5
- Chronic skin ulcer5
- Cutaneous T-cell lymphoma5
- Essential thrombocythemia (ET)5
- Fibromyalgia5
- Huntington's disease (HD)5
- Low back pain5
- Menopause symptoms5
- Schizoaffective disorder5
- Sjogren's syndrome5
- Smoking dependence5
- Alcohol dependence4
- Alopecia areata4
- Alpha-1-antitrypsin deficiency (AATD)4
- Borderline personality disorder (BPD)4
- Celiac disease4
- Down syndrome4
- Duchenne muscular dystrophy (DMD)4
- Gallbladder cancer4
- Gout4
- Macular edema4
- Neurofibromatosis4
- Osteoporosis4
- Rett's disorder4
- Rhabdomyosarcoma4
- Short-sightedness (myopia)4
- Stargardt's disease4
- Vascular dementia4
- Acne3
- Birth control (contraception)3
- Cannabis use disorder3
- Functional dyspepsia3
- Graves' disease3
- Hemophilia A3
- Influenza (flu)3
- Narcolepsy3
- Neurofibromatosis type 1 (NF1)3
- Pericarditis3
- Peritoneal cancer3
- Phenylketonuria (PKU)3
- Primary sclerosing cholangitis3
- Progressive supranuclear palsy (PSP)3
- Psoriatic arthritis (PsA)3
- Vasculitis3
- Vulvar cancer3
- Abdominal cancer2
- Acute coronary syndrome2
- Anal cancer2
- Atypical endometrial hyperplasia2
- Beta thalassemia2
- Bone cancer2
- Cerebral palsy2
- Chronic fatigue syndrome2
- Facioscapulohumeral muscular dystrophy2
- Familial multiple polyposis syndrome2
- Frontotemporal dementia (FTD)2
- Germ cell tumor2
- Gestational diabetes2
- Hemolytic uremic syndrome2
- Hemophilia B2
- Hepatitis B2
- Hypercholesterolemia2
- Irritable bowel syndrome (IBS)2
- Polycystic ovarian syndrome (PCOS)2
- Polycythemia vera2
- Postnatal depression2
- Rhabdoid tumor2
- RSV infection2
- Scoliosis2
- Spasmodic torticollis2
- Tricuspid valve regurgitation2
- Ureteral cancer2
- Uveitis2
- Vitiligo2
- Acromegaly1
- Adenomyosis1
- Adhesive capsulitis of shoulder (frozen shoulder)1
- Alpha thalassemia1
- Ataxia-telangiectasia syndrome1
- Axial spondyloarthritis1
- Cancer of unknown primary site (CUP)1
- Carpal tunnel syndrome1
- Chloasma1
- Cold agglutinin disease1
- Diabetic eye disease1
- Endometriosis1
- Esophagitis1
- Fabry's disease1
- Female infertility1
- Frown lines (glabellar lines)1
- Fragile X syndrome1
- Friedreich ataxia1
- Hypothyroidism1
- Juvenile idiopathic arthritis (JIA)1
- Long QT syndrome1
- Male infertility1
- Overactive bladder (OAB)1
- Paroxysmal nocturnal hemoglobinuria (PNH)1
- Pemphigus vulgaris1
- Pompe disease1
- Prader-Willi syndrome1
- Primary biliary cholangitis (PBC)1
- Primary hyperoxaluria1
- Prurigo nodularis1
- Rotator cuff syndrome1
- Testicular cancer1
- Thyroid eye disease1
- Tourette's syndrome1
- Urethral cancer1
- Urinary incontinence1
- Vaginal cancer1
815 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 volunteers12%
- Open to all sexes92%
- Women only5%
- Men only3%
132 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 216%
- Phase 2/32%
- Phase 315%
- Phase 43%
- No phase (device, behavioral and other studies)28%
- Not stated17%
Most active research sites
The sites recruiting for the most studies in the area.
- Massachusetts General HospitalBoston669 studies
- Dana Farber Cancer InstituteBoston483 studies
- Brigham and Women's HospitalBoston286 studies
- Beth Israel Deaconess Medical CenterBoston255 studies
- Boston Children's HospitalBoston213 studies
- Tufts Medical CenterBoston111 studies
- Dana-Farber Cancer InstituteBoston100 studies
- Boston Medical CenterBoston96 studies
- Brigham and Women's HospitalBoston39 studies
- Massachusetts General HospitalCharlestown34 studies
- McLean HospitalBelmont34 studies
- VA Boston Healthcare System Jamaica Plain Campus, Jamaica Plain, MAJamaica Plain31 studies
- Massachusetts Eye and EarBoston27 studies
- Boston UniversityBoston25 studies
- Brigham & Women's HospitalBoston23 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 Boston area, https://www.localtrial.com/clinical-trials/massachusetts/boston, updated November 12, 2026.
Source: <a href="https://www.localtrial.com/clinical-trials/massachusetts/boston">LocalTrial, Clinical trials in the Boston 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 Boston-Cambridge-Newton, MA-NH metropolitan area. Residents: 5,025,517, 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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