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NCT04306939 2026-01-07

GREAT1

University of Pittsburgh

Suspended
120,000 enrolled
Gastrointestinal

Arthritis, Rheumatoid, Celiac Disease, Cholecystitis, Cholelithiasis, Chronic Disease, Crohn Disease, Cystic Fibrosis, Diabetes Mellitus, Fibrosis, Gastritis, Hepatitis, Liver Cirrhosis, Biliary, Multiple Sclerosis, Pancreatic Cyst, Exocrine Pancreatic Insufficiency, Pancreatitis, Inflammatory Bowel Diseases, Irritable Bowel Syndrome, Dyslipidemias, Pancreatitis, Chronic, Renal Insufficiency, Chronic, Chronic Pain, Non-alcoholic Fatty Liver Disease

NCT04031469 2025-07-31

A Non-Interventional Pilot Study to Explore the Role of Gut Flora in Disease

ProgenaBiome

Suspended
1,000 enrolled
GastrointestinalOtherOther solid neoplasmThoracic

Autism Spectrum Disorder, Bipolar and Related Disorders, Post-Lyme Disease Syndrome, Generalized Anxiety Disorder, Acne Vulgaris, Alzheimer Disease, Amyotrophic Lateral Sclerosis, Anxiety Disorders, Arthritis, Rheumatoid, Autistic Disorder, Bipolar Disorder, Celiac Disease, Colitis, Ulcerative, Colonic Neoplasms, Compulsive Personality Disorder, Constipation, Crohn Disease, Depression, Depressive Disorder, Major, Diabetes Mellitus, Eczema, Epidermolysis Bullosa, Gout, Hypercholesterolemia, Lyme Disease, Mesothelioma, Migraine Disorders, Multiple Sclerosis, Myasthenia Gravis, Neoplasms, Obsessive-Compulsive Disorder, Parkinson Disease, Psoriasis, Colorectal Neoplasms, Fatigue Syndrome, Chronic, Multiple Sclerosis, Chronic Progressive, Multiple Sclerosis, Relapsing-Remitting, Lyme Neuroborreliosis, Irritable Bowel Syndrome

NCT03655223 2025-04-04

Early Check: Expanded Screening in Newborns

RTI International

Enrolling by invitation
30,000 enrolled
Classical hematologyEndocrineHead & NeckOther solid neoplasm

Severe combined immunodeficiency due to adenosine deaminase deficiency, 3-methylcrotonyl CoA carboxylase 1 deficiency, 3-methylcrotonyl CoA carboxylase 2 deficiency, 3-Hydroxyacyl-CoA Dehydrogenase Deficiency, Ataxia with vitamin E deficiency, Beta ketothiolase deficiency, Bile acid synthesis defect, congenital, 2, Carnitine palmitoyl transferase 1A deficiency, Carnitine palmitoyl transferase 2 deficiency, Creatine deficiency, X-linked, Adrenocorticotropic hormone deficiency, Maple syrup urine disease, type 1A, Maple syrup urine disease, type 1B, Maple syrup urine disease, type 2, Congenital disorder of glycosylation type 1B, Medium chain acyl CoA dehydrogenase deficiency, N-acetyl glutamate synthetase deficiency, Niemann-Pick disease, type C2, Pyridoxine-dependent epilepsy, VLCAD deficiency, Primary hyperoxaluria type 1, Primary hyperoxaluria type 2, Waardenburg syndrome type 2, Waardenburg syndrome type 2A, Usher syndrome, type 1B, Usher syndrome, type 1C, Usher syndrome, type 1F, Amaurosis congenita of Leber, type 2, Glut1 Deficiency Syndrome, Glutaric Acidemia I, Glutathione synthetase deficiency, Brown-Vialetto-Van Laere syndrome, Methylenetetrahydrofolate reductase deficiency, Methylmalonic acidemia with homocystinuria, Methylmalonic aciduria cblA type, Methylmalonic aciduria cblB type, Pitt-Hopkins syndrome, Stickler syndrome, type 1, Stickler syndrome, type 2, Segawa syndrome, autosomal recessive, Guanidinoacetate methyltransferase deficiency, Basal ganglia disease, biotin-responsive, Acidemia, isovaleric, Acrodermatitis enteropathica, Adenine phosphoribosyltransferase deficiency, Adrenal hyperplasia, congenital, type 5, 3-Hydroxy-3-Methylglutaryl-CoA Lyase Deficiency, Hyperinsulinemic hypoglycemia, familial, 6, HHH syndrome, Glycogen Storage Disease IB, Hyperphenylalaninemia, BH4-Deficient, B, Thyroid Dyshormonogenesis 3, Thyroid Dyshormonogenesis 5, Glycogen Storage Disease IC, Carnitine-Acylcarnitine Translocase Deficiency, Glycogen Storage Disease IXB, Thyroid Dyshormonogenesis 2A, Intrinsic Factor Deficiency, Hyperparathyroidism, Neonatal Severe Primary, Diabetes Mellitus, Permanent Neonatal, With Neurologic Features, Diabetes Mellitus, Permanent Neonatal, Maturity-Onset Diabetes of the Young, Type 4, Thyroid Dyshormonogenesis 6, Thyroid Dyshormonogenesis 1, Tuberous Sclerosis 1, Molybdenum Cofactor Deficiency, Complementation Group A, Methylmalonic Aciduria due to Methylmalonyl-CoA Mutase Deficiency, Homocystinuria-Megaloblastic Anemia due to Defect in Cobalamin Metabolism, CblE Complementation Type, Tuberous Sclerosis 2, Pyridoxamine 5-Prime-Phosphate Oxidase Deficiency, Trifunctional Protein Deficiency With Myopathy And Neuropathy, Arginine-Glycine Amidinotransferase Deficiency, Jervell And Lange-Nielsen Syndrome 2, Glycogen Storage Disease, Type IXA2, Pituitary Hormone Deficiency, Combined, 1, Glycogen Storage Disease IXC, Anemia, Sickle Cell, Hemophilia B, Congenital Hypothyroidism, Cystic Fibrosis, Cystinosis, Diabetes Mellitus, Disease, Epilepsy, Epilepsies, Myoclonic, Factor VII Deficiency, Factor X Deficiency, Fragile X Syndrome, Fructose Intolerance, Galactosemias, Glycogen Storage Disease Type I, Glucosephosphate Dehydrogenase Deficiency, Glycogen Storage Disease Type II, Granulomatous Disease, Chronic, Hemophilia A, Hepatolenticular Degeneration, Homocystinuria, Hypophosphatasia, Menkes Kinky Hair Syndrome, Leukodystrophy, Globoid Cell, Leukodystrophy, Metachromatic, Mucopolysaccharidosis I, Mucopolysaccharidosis III, Mucopolysaccharidosis IV, Mucopolysaccharidosis VI, Muscular Atrophy, Spinal, Nephritis, Hereditary, Phenylketonurias, Prader-Willi Syndrome, Pseudohypoaldosteronism, Retinoblastoma, Stress Disorders, Post-Traumatic, Waardenburg Syndrome, Wolman Disease, Fructose-1,6-Diphosphatase Deficiency, Rett Syndrome, Gyrate Atrophy, Mucopolysaccharidosis II, Mucopolysaccharidosis VII, beta-Thalassemia, Angelman Syndrome, Canavan Disease, Multiple Endocrine Neoplasia Type 2b, Peroxisomal Disorders, Smith-Lemli-Opitz Syndrome, Xanthomatosis, Cerebrotendinous, Citrullinemia, Hyperargininemia, Ornithine Carbamoyltransferase Deficiency Disease, Carbamoyl-Phosphate Synthase I Deficiency Disease, Tyrosinemias, Muscular Dystrophy, Duchenne, Aortic Stenosis, Supravalvular, Hermanski-Pudlak Syndrome, Biotinidase Deficiency, Holocarboxylase Synthetase Deficiency, Jervell-Lange Nielsen Syndrome, Mineralocorticoid Excess Syndrome, Apparent, Congenital Hyperinsulinism, Niemann-Pick Disease, Type A, Niemann-Pick Disease, Type C, Familial Hypophosphatemic Rickets, X-Linked Combined Immunodeficiency Diseases, Propionic Acidemia, von Willebrand Disease, Type 3, Argininosuccinic Aciduria, Barth Syndrome, Liddle Syndrome