Clinical trials near you

Clinical trials in the Houston area

3,009 studies are recruiting volunteers at 1,398 research sites in the Houston-Pasadena-The Woodlands, TX area.

Sites in Houston, Sugar Land, Bellaire, Conroe, Katy, Spring and 22 more towns.

#3 in the US for recruiting studies#1 in Texas#34 in the US per resident

Studies recruiting
3,009
Research sites
1,398
Conditions studied
207
Studies per 100,000 residents
38.6

Conditions being studied

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

  • Lung cancer223 studies
  • Breast cancer183 studies
  • Leukemia171 studies
  • Colorectal cancer (bowel cancer)135 studies
  • Head and neck cancer118 studies
  • Non-Hodgkin's lymphoma103 studies
  • Ovarian cancer103 studies
  • Uterine cancer95 studies
  • Prostate cancer85 studies
  • Neuroendocrine tumor82 studies
  • Liver disease80 studies
  • Endometrial cancer76 studies
  • Pancreatic cancer74 studies
  • Skin cancer74 studies
  • Sarcoma of soft tissue67 studies
All 207 conditions
  • Lung cancer223
  • Breast cancer183
  • Leukemia171
  • Colorectal cancer (bowel cancer)135
  • Head and neck cancer118
  • Non-Hodgkin's lymphoma103
  • Ovarian cancer103
  • Uterine cancer95
  • Prostate cancer85
  • Neuroendocrine tumor82
  • Liver disease80
  • Endometrial cancer76
  • Pancreatic cancer74
  • Skin cancer74
  • Sarcoma of soft tissue67
  • Melanoma64
  • Overweight and obesity57
  • Myelodysplastic syndrome (MDS)52
  • Brain cancer51
  • Esophageal cancer48
  • Kidney cancer47
  • Gastric cancer (stomach cancer)45
  • Multiple myeloma (MM)43
  • Stroke41
  • Liver cancer40
  • Type 2 diabetes39
  • Bladder cancer38
  • Cervical cancer38
  • Heart failure38
  • Inflammatory bowel disease (IBD)38
  • Depressive disorder35
  • Retinal degeneration35
  • Age-related macular degeneration (AMD)34
  • Anemia34
  • Peripheral nerve disease33
  • Chronic kidney disease (CKD)26
  • Epilepsy24
  • Fallopian tube cancer24
  • Human immunodeficiency virus infection (HIV)24
  • Crohn's disease23
  • Biliary tract cancer22
  • Cardiovascular disease22
  • Alzheimer's disease21
  • High blood pressure (hypertension)21
  • Ulcerative colitis (UC)21
  • Chronic obstructive pulmonary disease (COPD)20
  • Interstitial lung disease20
  • Myelofibrosis20
  • Fatty liver disease (MASH/NASH)19
  • Rheumatoid arthritis19
  • Systemic lupus erythematosus (SLE)19
  • Ischemic heart disease (IHD)18
  • Cardiomyopathy17
  • COVID-1917
  • Hodgkin's lymphoma15
  • Intellectual disability15
  • Post-traumatic stress disorder (PTSD)15
  • Anxiety disorder14
  • Asthma14
  • Motor neuron disease (MND)14
  • Psoriasis14
  • Schizophrenia14
  • Thyroid cancer14
  • Congenital heart disease13
  • Dry eye syndrome13
  • Peripheral vascular disease13
  • Sickle cell disease13
  • Graft-versus-host disease12
  • Parkinson's disease (PD)12
  • Atrial fibrillation (AF)11
  • Bipolar disorder11
  • Chronic skin ulcer11
  • Thrombocytopenia10
  • Cutaneous T-cell lymphoma9
  • Graves' disease9
  • Influenza (flu)9
  • Migraine9
  • Systemic sclerosis9
  • Type 1 diabetes9
  • Autism spectrum disorder (ASD)8
  • Eczema (atopic dermatitis)8
  • Gastrointestinal stromal tumor8
  • Macular edema8
  • Multiple sclerosis (MS)8
  • Psoriatic arthritis (PsA)8
  • Pulmonary hypertension8
  • Sjogren's syndrome8
  • Traumatic brain injury8
  • Amyloidosis7
  • Amyotrophic lateral sclerosis (ALS)7
  • Bile duct cancer7
  • Diabetic eye disease7
  • Down syndrome7
  • Hidradenitis suppurativa (HS)7
  • Idiopathic inflammatory myopathy7
  • Neuroblastoma7
  • Sleep apnea7
  • Thrombotic microangiopathy7
  • Abdominal aortic aneurysm6
  • Anal cancer6
  • Attention-deficit hyperactivity disorder (ADHD)6
  • Bone cancer6
  • Cystic fibrosis6
  • Germ cell tumor6
  • Glaucoma6
  • Insomnia6
  • Narcolepsy6
  • Ocular hypertension6
  • Osteoarthritis (OA)6
  • Psychotic disorder6
  • Rhabdomyosarcoma6
  • Spinal muscular atrophy (SMA)6
  • Alopecia5
  • Familial multiple polyposis syndrome5
  • Huntington's disease (HD)5
  • Low back pain5
  • Opioid use disorder5
  • Rett's disorder5
  • Smoking dependence5
  • Vascular dementia5
  • Achondroplasia4
  • Essential thrombocythemia (ET)4
  • Gallbladder cancer4
  • Hemophilia B4
  • Hypercholesterolemia4
  • Immune thrombocytopenic purpura (ITP)4
  • Obsessive-compulsive disorder (OCD)4
  • Pericarditis4
  • Polycythemia vera4
  • Post-transplant lymphoproliferative disorder4
  • Recurrent urinary tract infection (UTI)4
  • Rhabdoid tumor4
  • Short-sightedness (myopia)4
  • Abdominal cancer3
  • Alcohol dependence3
  • Alopecia areata3
  • Axial spondyloarthritis3
  • Cerebral palsy3
  • Gestational diabetes3
  • Gout3
  • Hemophilia A3
  • Irritable bowel syndrome (IBS)3
  • Peritoneal cancer3
  • Scoliosis3
  • Stargardt's disease3
  • Vasculitis3
  • Vulvar cancer3
  • Acute coronary syndrome2
  • Alpha-1-antitrypsin deficiency (AATD)2
  • Bone cyst2
  • Chronic idiopathic urticaria (hives)2
  • Endometriosis2
  • Frontotemporal dementia (FTD)2
  • Growth hormone deficiency2
  • Hepatitis B2
  • Neuropathic pain2
  • Overactive bladder (OAB)2
  • Pelvic tumor2
  • Phenylketonuria (PKU)2
  • Polymyalgia rheumatica2
  • Primary biliary cholangitis (PBC)2
  • Primary sclerosing cholangitis2
  • Progressive supranuclear palsy (PSP)2
  • Rotator cuff syndrome2
  • RSV infection2
  • Tricuspid valve regurgitation2
  • Ureteral cancer2
  • Urinary incontinence2
  • Vaginal cancer2
  • Vitiligo2
  • Acne1
  • Allergic rhinitis (hay fever)1
  • Ankylosing spondylitis1
  • Atypical endometrial hyperplasia1
  • Behcet's syndrome1
  • Beta thalassemia1
  • Cancer of unknown primary site (CUP)1
  • Celiac disease1
  • Cluster headaches1
  • Complex regional pain syndrome (CRPS)1
  • Duchenne muscular dystrophy (DMD)1
  • Epidermolysis bullosa1
  • Esophagitis1
  • Fibromyalgia1
  • Food allergy1
  • Fragile X syndrome1
  • Functional dyspepsia1
  • Hearing loss1
  • Hemolytic uremic syndrome1
  • Hepatitis C1
  • Hypertriglyceridemia1
  • Hypothyroidism1
  • Juvenile idiopathic arthritis (JIA)1
  • Menopause symptoms1
  • Mucopolysaccharidosis type III1
  • Osteoporosis1
  • Pemphigus vulgaris1
  • Polycystic ovarian syndrome (PCOS)1
  • Prader-Willi syndrome1
  • Prurigo nodularis1
  • Spasmodic torticollis1
  • Testicular cancer1
  • Thyroid eye disease1
  • Tuberous sclerosis1
  • Uveitis1
  • Vulvovaginal candidiasis (thrush)1
  • Wilson's disease1

898 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 over86%
  • Children and teens (under 18)20%
  • Healthy volunteers8%
  • Open to all sexes92%
  • Women only6%
  • Men only2%

145 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 114%
  • Phase 1/211%
  • Phase 220%
  • Phase 2/32%
  • Phase 320%
  • Phase 42%
  • No phase (device, behavioral and other studies)17%
  • Not stated14%

Most active research sites

The sites recruiting for the most studies in the area.

  1. MD Anderson Cancer CenterHouston1,245 studies
  2. Baylor College of MedicineHouston331 studies
  3. Houston Methodist HospitalHouston216 studies
  4. University of Texas Health Science Center at HoustonHouston172 studies
  5. Texas Children's HospitalHouston97 studies
  6. University of Texas Medical BranchGalveston64 studies
  7. Michael E. DeBakey VA Medical Center, Houston, TXHouston44 studies
  8. Oncology ConsultantsHouston42 studies
  9. Ben Taub General HospitalHouston29 studies
  10. DM Clinical ResearchTomball27 studies
  11. UT Health HoustonHouston27 studies
  12. UT MD Anderson - League CityLeague City22 studies
  13. Houston Methodist Sugar Land HospitalSugar Land21 studies
  14. Memorial Hermann Texas Medical CenterHouston20 studies
  15. Retina Consultants of TexasBellaire20 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 Houston area, https://www.localtrial.com/clinical-trials/texas/houston, updated November 12, 2026.

With the link, for a web page

Source: <a href="https://www.localtrial.com/clinical-trials/texas/houston">LocalTrial, Clinical trials in the Houston 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 Houston-Pasadena-The Woodlands, TX metropolitan area. Residents: 7,796,182, 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