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Clinical trials in Houston, TX

2,777 clinical studies are recruiting at sites in and around Houston (within about 30 miles).

Studies for healthy volunteers in Houston — 203 studies

Studies by condition

• Non-Small Cell Lung Cancer145 studies
• Breast Cancer126 studies
• Cancer (all types)123 studies
• Metastatic Cancer104 studies
• Colorectal Cancer102 studies
• Ovarian Cancer89 studies
• Acute Myeloid Leukemia86 studies
• Lung Cancer78 studies
• Prostate Cancer76 studies
• Endometrial Cancer68 studies
• Pancreatic Cancer62 studies
• Melanoma59 studies
• Blood Cancers46 studies
• Head and Neck Squamous Cell Carcinoma46 studies
• Myelodysplastic Syndromes44 studies
• Obesity44 studies
• Stomach Cancer42 studies
• Triple-Negative Breast Cancer41 studies
• Multiple Myeloma38 studies
• Esophageal Cancer36 studies
• Heart Failure36 studies
• Kidney Cancer (Renal Cell Carcinoma)35 studies
• Brain Tumors35 studies
• Lymphoma34 studies
• Cervical Cancer33 studies
• Overweight33 studies
• Soft Tissue Sarcoma32 studies
• Bladder Cancer31 studies
• Non-Hodgkin Lymphoma31 studies
• Liver Cancer (Hepatocellular Carcinoma)31 studies
• Type 2 Diabetes30 studies
• Head and Neck Cancer30 studies
• Leukemia28 studies
• Acute Lymphoblastic Leukemia28 studies
• Small Cell Lung Cancer25 studies
• Glioblastoma25 studies
• Cardiovascular Disease24 studies
• Stroke23 studies
• Glioma23 studies
• Burkitt Lymphoma21 studies
• Gastrointestinal Cancers21 studies
• Autoimmune Diseases21 studies
• Myelofibrosis20 studies
• Colon Cancer20 studies
• Urothelial (Transitional Cell) Carcinoma19 studies
• Chronic Myeloid Leukemia18 studies
• Follicular Lymphoma18 studies
• Post-Traumatic Stress Disorder18 studies
• Biliary Tract Cancer18 studies
• Ulcerative Colitis18 studies
• Depression18 studies
• Ischemic Stroke17 studies
• Chronic Lymphocytic Leukemia17 studies
• Diffuse Large B-Cell Lymphoma17 studies
• HIV17 studies
• Crohn's Disease17 studies
• Chronic Myelomonocytic Leukemia17 studies
• Major Depressive Disorder16 studies
• Myeloproliferative Neoplasms16 studies
• B-Cell Lymphoma16 studies
• Diabetes16 studies
• Epilepsy16 studies
• Mesothelioma16 studies
• Lung Diseases15 studies
• COPD15 studies
• Chronic Kidney Disease15 studies
• Mantle Cell Lymphoma15 studies
• Hodgkin Lymphoma14 studies
• Spinal Cord Injuries14 studies
• Liver Cancer14 studies
• Astrocytoma14 studies
• Interstitial Lung Diseases13 studies
• Bile Duct Cancer (Cholangiocarcinoma)13 studies
• Post-COVID Conditions (Long COVID)13 studies
• Kidney Failure13 studies
• Steatotic Liver Disease13 studies
• Schizophrenia13 studies
• Alzheimer's Disease12 studies
• Lupus12 studies
• Esophageal Adenocarcinoma12 studies
• Thyroid Cancer12 studies
• Respiratory Distress Syndrome11 studies
• Rectal Cancer11 studies
• Myasthenia Gravis11 studies
• Acute Biphenotypic Leukemia11 studies
• Kidney Cancer11 studies
• High Blood Pressure11 studies
• Rheumatoid Arthritis11 studies
• Esophageal Squamous Cell Carcinoma11 studies
• Bipolar Disorder10 studies
• Pain10 studies
• Parkinson's Disease10 studies
• Mild Cognitive Impairment10 studies
• Atherosclerosis10 studies
• Liver Diseases10 studies
• Liposarcoma10 studies
• Sickle Cell Disease10 studies
• Diffuse Intrinsic Pontine Glioma10 studies
• Scleroderma9 studies
• Peripheral T-Cell Lymphoma9 studies
• Atrial Fibrillation9 studies
• Blood Disorders9 studies
• Immune System and Disorders9 studies
• Type 1 Diabetes9 studies
• Heart Diseases9 studies
• IGA Glomerulonephritis9 studies
• Drug Use and Addiction9 studies
• Brain and Spinal Cord Tumors9 studies
• Anxiety9 studies
• Bronchiolitis Obliterans Syndrome8 studies
• Premature Birth8 studies
• T-Cell Lymphoma8 studies
• Pneumonia8 studies
• Uterine Cancer8 studies
• Digestive Diseases8 studies
• Mitral Valve Insufficiency8 studies
• Lupus Nephritis8 studies
• Asthma8 studies
• Kidney Diseases8 studies
• Precursor T-Cell Lymphoblastic Leukemia-Lymphoma8 studies
• Peripheral Arterial Disease8 studies
• Inflammatory Bowel Disease8 studies
• Neuroendocrine Tumors8 studies
• Psoriatic Arthritis8 studies
• Coronary Artery Disease8 studies
• Genetic Disorders8 studies
• Marginal Zone Lymphoma8 studies
• B-Cell Leukemia7 studies
• Bleeding7 studies
• Seizures7 studies
• Neuroblastoma7 studies
• Osteosarcoma7 studies
• Diabetic Foot7 studies
• Pulmonary Hypertension7 studies
• Macular Degeneration7 studies
• Fatigue7 studies
• Cirrhosis7 studies
• Oral Cancer7 studies
• Leiomyosarcoma7 studies
• Chronic Pain7 studies
• Aortic Valve Stenosis7 studies
• Mycosis Fungoides7 studies
• Ewing Sarcoma7 studies
• Blood Clots7 studies
• Amyotrophic Lateral Sclerosis7 studies
• Squamous Cell Carcinoma7 studies
• Migraine7 studies
• Non-Muscle Invasive Bladder Cancer7 studies
• Down Syndrome6 studies
• Treatment-Resistant Depressive Disorder6 studies
• Thoracic Cancer6 studies
• Gastrointestinal Stromal Tumors6 studies
• Graves Disease6 studies
• Viral Infections6 studies
• Germ Cell and Embryonal Cancer6 studies
• Sjogren's Syndrome6 studies
• Amyloidosis6 studies
• Obesity in Children6 studies
• Blast Crisis6 studies
• Ovarian Epithelial Carcinoma6 studies
• Traumatic Brain Injury6 studies
• Rhabdomyosarcoma6 studies
• Geographic Atrophy6 studies
• Brain Diseases6 studies
• Adenoid Cystic Carcinoma6 studies
• Smoking and Youth6 studies
• with Excess of Blasts Refractory Anemia6 studies
• Renal Insufficiency6 studies
• Neuroendocrine Carcinoma6 studies
• Chronic Inflammatory Demyelinating Polyradiculoneuropathy6 studies
• Salivary Gland Cancer6 studies
• Merkel Cell Carcinoma6 studies
• Waldenstrom Macroglobulinemia6 studies
• Urogenital Cancer6 studies
• Multiple Sclerosis6 studies
• Metabolic Disorders6 studies
• Endocrine Diseases6 studies
• Anal Cancer6 studies
• Castration-Resistant Prostatic Cancer6 studies
• Diffuse Scleroderma5 studies
• Lymphedema5 studies
• Respiratory Tract Cancer5 studies
• Bronchial Cancer5 studies
• COVID-19 and Coronavirus Infections5 studies
• Dementia5 studies
• Abdominal Aortic Aneurysm5 studies
• Adenomatous Polyposis Coli5 studies
• Bone Cancer5 studies
• Cardiomyopathy5 studies
• Delirium5 studies
• Pain After Surgery5 studies
• Ductal Carcinoma In Situ (DCIS)5 studies
• Focal Segmental Glomerulosclerosis5 studies
• Proteinuria5 studies
• Skin Cancer5 studies
• Idiopathic Pulmonary Fibrosis5 studies
• Cutaneous T-Cell Lymphoma5 studies
• Anemia5 studies
• HPV5 studies
• Uveal Melanoma5 studies
• Varicose Ulcer5 studies
• Insomnia5 studies
• Syphilis5 studies
• Huntington's Disease5 studies
• Rett Syndrome5 studies
• Neurologic Diseases5 studies
• Spinal Muscular Atrophy5 studies
• Nausea and Vomiting5 studies
• Oropharyngeal Cancer5 studies
• Plasma Cell Cancer5 studies
• Hereditary Sensory and Autonomic Neuropathies5 studies
• Chronic-Phase Myeloid Leukemia5 studies
• Dermatomyositis5 studies
• Myositis5 studies
• Acute Kidney Injury5 studies
• Thyroid Diseases5 studies
• Urologic Cancer4 studies
• Intracranial Hemorrhages4 studies
• Hyperthyroidism4 studies
• Respiratory Tract Infections4 studies
• Immunoblastic Lymphadenopathy4 studies
• Idiopathic Thrombocytopenic Purpura4 studies
• Cytopenia4 studies
• Pericardial Disorders4 studies
• Arteriovenous Fistula4 studies
• Colonic Diseases4 studies
• Anaplastic Large-Cell Lymphoma4 studies
• Spina Bifida4 studies
• Cerebral Hemorrhage4 studies
• Vascular Dementia4 studies
• Pulmonary Embolism4 studies
• Flu4 studies
• Primitive Neuroectodermal Tumors4 studies
• Emphysema4 studies
• Epstein-Barr Virus Infections4 studies
• T-Cell Prolymphocytic Leukemia4 studies
• Obstructive Sleep Apnea4 studies
• Lipoid Nephrosis4 studies
• Pulmonary Arterial Hypertension4 studies
• Nephritis4 studies
• Rhabdoid Tumor4 studies
• Wilms Tumor4 studies
• Alcohol Use Disorder (AUD)4 studies
• Arrhythmia4 studies
• Breast Diseases4 studies
• Respiratory Failure4 studies
• E. coli Infections4 studies
• Infertility4 studies
• Oligodendroglioma4 studies
• Synovial Sarcoma4 studies
• Prediabetes4 studies
• Colitis4 studies
• Basal Cell Carcinoma4 studies
• Obsessive-Compulsive Disorder4 studies
• Osteoarthritis4 studies
• Heart Valve Diseases4 studies
• Suicide4 studies
• Intestinal Cancer4 studies
• Stargardt Disease4 studies
• Heart Attack4 studies
• Hemophilia B4 studies
• Myopia4 studies
• Laryngeal Cancer4 studies
• Leg Injuries and Disorders4 studies
• Neoplasms by Histologic Type4 studies
• Carcinoma in Situ4 studies
• Cystic Fibrosis4 studies
• Sezary Syndrome4 studies
• Acute Lung Injury4 studies
• Meningioma4 studies
• Quitting Smoking (Tobacco Use Disorder)4 studies
• Medulloblastoma4 studies
• Achondroplasia4 studies
• Mania3 studies
• Bronchogenic Carcinoma3 studies
• RNA Virus Infections3 studies
• Viral Pneumonia3 studies
• Aortic Valve Insufficiency3 studies
• Thrombocytopenia3 studies
• Quadriplegia3 studies
• Attention Deficit Hyperactivity Disorder3 studies
• Essential Thrombocythemia3 studies
• Gliosarcoma3 studies
• Respiratory Syncytial Virus Infections3 studies
• Biliary Liver Cirrhosis3 studies
• Hyperuricemia3 studies
• Enlarged Prostate (BPH)3 studies
• Graft-Versus-Host Disease3 studies
• Atopic Dermatitis (Eczema)3 studies
• Turcot syndrome3 studies
• Psychotic Disorders3 studies
• Glomerulonephritis3 studies
• Endodermal Sinus Tumor3 studies
• Alopecia Areata3 studies
• Psoriasis3 studies
• Persian Gulf Syndrome3 studies
• Smoldering Multiple Myeloma3 studies
• Hidradenitis Suppurativa3 studies
• Smoking3 studies
• Venous Thromboembolism3 studies
• Extranodal NK-T-Cell Lymphoma3 studies
• Vulvar Cancer3 studies
• Concussion3 studies
• Cholesterol3 studies
• Partial Epilepsies3 studies
• ALS and Motor Neuron Disease3 studies
• Gout3 studies
• Rare Diseases3 studies
• Nasopharyngeal Carcinoma3 studies
• Arthritis3 studies
• Myocardial Ischemia3 studies
• Pancreatic Ductal Carcinoma3 studies
• Medullary Carcinoma3 studies
• Desmoid Tumors3 studies
• Weight Control3 studies
• Left Ventricular Dysfunction3 studies
• Gallbladder Cancer3 studies
• Acidosis3 studies
• Neurogenic Urinary Bladder3 studies
• Hyperacusis3 studies
• Photophobia3 studies
• Critical Illness3 studies
• Blastic Plasmacytoid Dendritic Cell Cancer3 studies
• Cataract3 studies
• Ventricular Tachycardia3 studies
• Langerhans-Cell Histiocytosis3 studies
• Digestive System Cancer3 studies
• Autism Spectrum Disorder3 studies
• Low Back Pain3 studies
• Congenital Heart Defects3 studies
• Disorders of Excessive Somnolence3 studies
• Neurofibrosarcoma3 studies
• Polyneuropathies3 studies
• Transthyretin-Related Hereditary Amyloidosis3 studies
• Familial Amyloidosis3 studies
• Open-Angle Glaucoma3 studies
• Insulin Resistance3 studies
• Macular Edema3 studies
• Urinary Tract Infections3 studies
• Connective Tissue Disorders3 studies
• Aortic Aneurysm3 studies
• Diastolic Heart Failure3 studies
• Amblyopia3 studies
• Congenital Diaphragmatic Hernias3 studies
• Polycythemia Vera3 studies
• Back Pain3 studies
• Meningeal Cancer3 studies
• Clear-cell metastatic renal cell carcinoma3 studies
• Ocular Hypertension3 studies
• Vision Impairment and Blindness3 studies
• Papillary Thyroid Cancer3 studies
• Meningomyelocele3 studies
• Aplastic Anemia3 studies
• Hypertrophic Cardiomyopathy3 studies
• Nasopharyngeal Cancer3 studies
• Quitting Smoking3 studies
• Gestational Diabetes3 studies
• Aortic Arch Aneurysm3 studies

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.