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TrialConditionsStatusPhaseUpdatedMore infoNCT ID
Market Research of a Slow Release Protein Substitute for the Dietary Management of PKUBrain Diseases, Metabolic, Brain Diseases, Metabolic, Inborn, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Nutritional and Metabolic Diseases, brain disorder, central nervous system disorder, hereditary disease, inborn disorder of amino acid metabolism, inborn errors of metabolism, metabolic disease, nervous system disorder, phenylketonuriaNot yet recruitingNot applicable2026-10-09NCT07802366
Phase 1/2 Study of KRRO-121 in Healthy Volunteers and Patients With UCDAdult-onset citrullinemia type 2, Brain Diseases, Metabolic, Brain Diseases, Metabolic, Inborn, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Nutritional and Metabolic Diseases, X-linked disease, arginase deficiency, argininosuccinic aciduria, brain disorder, central nervous system disorder, hereditary disease, hyperammonemia due to N-acetylglutamate synthase deficiency, inborn disorder of amino acid metabolism, inborn errors of metabolism, metabolic disease, nervous system disorder, ornithine carbamoyltransferase deficiency, urea cycle disorderRecruitingPhase 1 / Phase 22026-10-08NCT07773246
A Study of MZE782 in Adults With PKUBrain Diseases, Metabolic, Brain Diseases, Metabolic, Inborn, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Nutritional and Metabolic Diseases, brain disorder, central nervous system disorder, hereditary disease, inborn disorder of amino acid metabolism, inborn errors of metabolism, metabolic disease, nervous system disorder, phenylketonuriaRecruitingPhase 22026-10-08NCT07694440
Pegtibatinase as a Treatment for Participants With Classical Homocystinuria (HCU) Receiving Standard of Care TreatmentBrain Diseases, Metabolic, Brain Diseases, Metabolic, Inborn, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Nutritional and Metabolic Diseases, Skin and Connective Tissue Diseases, brain disorder, central nervous system disorder, connective tissue disorder, hereditary disease, homocystinuria, hyperhomocysteinemia, inborn disorder of amino acid metabolism, inborn errors of metabolism, metabolic disease, nervous system disorderRecruitingPhase 32026-10-08NCT06247085
Analysis of Specimens From Individuals With Pulmonary FibrosisCongenital, Hereditary, and Neonatal Diseases and Abnormalities, Eye Diseases, Hereditary, Fibrosis, Hemic and Lymphatic Diseases, Hermansky-Pudlak syndrome, Nutritional and Metabolic Diseases, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Skin and Connective Tissue Diseases, albinism, blood coagulation disease, blood platelet disease, eye disorder, hematologic disorder, hemorrhagic disease, hereditary disease, hereditary skin disorder, hypopigmentation of the skin, inborn disorder of amino acid metabolism, inborn errors of metabolism, inherited blood coagulation disorder, interstitial lung disease, lung disorder, metabolic disease, oculocutaneous albinism, platelet storage pool deficiency, pulmonary fibrosis, respiratory system disorder, skin disorder, skin pigmentation disorderActive, not recruitingNot stated2026-10-08NCT00084305
Clinical and Laboratory Study of Methylmalonic AcidemiaCongenital, Hereditary, and Neonatal Diseases and Abnormalities, Nutritional and Metabolic Diseases, hereditary disease, hyperhomocysteinemia, inborn disorder of amino acid metabolism, inborn errors of metabolism, inborn organic aciduria, malabsorption syndrome, metabolic disease, methylmalonic acidemia, nutritional deficiency disease, nutritional disorder, vitamin B deficiency, vitamin deficiency disorderRecruitingNot stated2026-10-08NCT00078078
Clinical and Basic Investigations Into Hermansky-Pudlak SyndromeCongenital, Hereditary, and Neonatal Diseases and Abnormalities, Digestive System Diseases, Eye Diseases, Hereditary, Fibrosis, Hemic and Lymphatic Diseases, Hermansky-Pudlak syndrome, Nutritional and Metabolic Diseases, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Skin and Connective Tissue Diseases, albinism, blood coagulation disease, blood platelet disease, digestive system disorder, eye disorder, gastroenteritis, hematologic disorder, hemorrhagic disease, hereditary disease, hereditary skin disorder, hypopigmentation of the skin, inborn disorder of amino acid metabolism, inborn errors of metabolism, inflammatory bowel disease, inherited blood coagulation disorder, interstitial lung disease, intestinal disorder, lung disorder, metabolic disease, oculocutaneous albinism, platelet storage pool deficiency, pulmonary fibrosis, respiratory system disorder, skin disorder, skin pigmentation disorderRecruitingNot stated2026-10-08NCT00001456
Impact Of A Phe-Restricted Diet On Gut Health In Children With PKUBrain Diseases, Metabolic, Brain Diseases, Metabolic, Inborn, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Nutritional and Metabolic Diseases, brain disorder, central nervous system disorder, hereditary disease, inborn disorder of amino acid metabolism, inborn errors of metabolism, metabolic disease, nervous system disorder, phenylketonuriaRecruitingNot stated2026-10-06NCT07728032
An Evaluation of Nutritional Status, Body Composition, and Dietary Intakes of Filipino Pediatric Patients With Inborn Errors of Intermediary Protein MetabolismCongenital, Hereditary, and Neonatal Diseases and Abnormalities, Nutritional and Metabolic Diseases, hereditary disease, inborn disorder of amino acid metabolism, inborn errors of metabolism, metabolic diseaseRecruitingNot stated2026-10-01NCT07837336
An Open-label Study to Investigate ECUR-506 in Male Babies Less Than 9 Months of Age With Neonatal Onset OTC DeficiencyBrain Diseases, Metabolic, Brain Diseases, Metabolic, Inborn, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Digestive System Diseases, Hyperammonemia, Nutritional and Metabolic Diseases, Pathologic Processes, Pathological Conditions, Signs and Symptoms, X-linked disease, brain disorder, central nervous system disorder, hereditary disease, inborn disorder of amino acid metabolism, inborn errors of metabolism, liver disorder, metabolic disease, nervous system disorder, ornithine carbamoyltransferase deficiency, urea cycle disorderActive, not recruitingPhase 32026-09-30NCT06255782
A Study to Evaluate Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of AG-181 in Subjects With PhenylketonuriaBrain Diseases, Metabolic, Brain Diseases, Metabolic, Inborn, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Nutritional and Metabolic Diseases, brain disorder, central nervous system disorder, hereditary disease, inborn disorder of amino acid metabolism, inborn errors of metabolism, metabolic disease, nervous system disorder, phenylketonuriaRecruitingPhase 12026-09-28NCT07241234
Natural History, Physiology, Microbiome and Biochemistry Studies of Propionic AcidemiaCongenital, Hereditary, and Neonatal Diseases and Abnormalities, Nutritional and Metabolic Diseases, hereditary disease, inborn disorder of amino acid metabolism, inborn errors of metabolism, inborn organic aciduria, metabolic disease, propionic acidemiaRecruitingNot stated2026-09-28NCT02890342
PKU Microtablets Case StudiesBrain Diseases, Metabolic, Brain Diseases, Metabolic, Inborn, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Nutritional and Metabolic Diseases, brain disorder, central nervous system disorder, hereditary disease, inborn disorder of amino acid metabolism, inborn errors of metabolism, metabolic disease, nervous system disorder, phenylketonuriaNot yet recruitingNot applicable2026-09-23NCT07671859
The Impact of Frequency of Home Phenylalanine Measurements on Metabolic Control in a Population of Patients With Classic PhenylketonuriaBrain Diseases, Metabolic, Brain Diseases, Metabolic, Inborn, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Nutritional and Metabolic Diseases, brain disorder, central nervous system disorder, hereditary disease, inborn disorder of amino acid metabolism, inborn errors of metabolism, metabolic disease, nervous system disorder, phenylketonuriaRecruitingNot applicable2026-09-17NCT07825883
Natural History of MADDCongenital, Hereditary, and Neonatal Diseases and Abnormalities, Nutritional and Metabolic Diseases, hereditary disease, inborn disorder of amino acid metabolism, inborn errors of metabolism, inborn mitochondrial metabolism disorder, metabolic disease, multiple acyl-CoA dehydrogenase deficiencyRecruitingNot stated2026-09-16NCT07734090
To Evaluate the Safety and Efficacy of GS1168 Injection in Adult PhenylketonuriaBrain Diseases, Metabolic, Brain Diseases, Metabolic, Inborn, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Nutritional and Metabolic Diseases, brain disorder, central nervous system disorder, hereditary disease, inborn disorder of amino acid metabolism, inborn errors of metabolism, metabolic disease, nervous system disorder, phenylketonuriaNot yet recruitingEarly phase 12026-09-10NCT07318909
Clinical Study of DTX301 AAV-Mediated Gene Transfer for Ornithine Transcarbamylase (OTC) DeficiencyBrain Diseases, Metabolic, Brain Diseases, Metabolic, Inborn, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Nutritional and Metabolic Diseases, X-linked disease, brain disorder, central nervous system disorder, hereditary disease, inborn disorder of amino acid metabolism, inborn errors of metabolism, metabolic disease, nervous system disorder, ornithine carbamoyltransferase deficiency, urea cycle disorderActive, not recruitingPhase 32026-09-09NCT05345171
Ovarian Tissue Cryopreservation in Pre-Pubertal (OTC-Pre Pubertal)Brain Diseases, Metabolic, Brain Diseases, Metabolic, Inborn, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Nutritional and Metabolic Diseases, X-linked disease, brain disorder, cancer, central nervous system disorder, hereditary disease, inborn disorder of amino acid metabolism, inborn errors of metabolism, metabolic disease, neoplasm, nervous system disorder, ornithine carbamoyltransferase deficiency, urea cycle disorderRecruitingNot stated2026-09-03NCT05299710
Study of AlkaptonuriaCongenital, Hereditary, and Neonatal Diseases and Abnormalities, Nutritional and Metabolic Diseases, Pathologic Processes, Pathological Conditions, Signs and Symptoms, alkaptonuria, arthritic joint disease, arthropathy, hereditary disease, inborn disorder of amino acid metabolism, inborn errors of metabolism, metabolic disease, musculoskeletal system disorder, ochronosis disorderRecruitingNot stated2026-09-01NCT00005909
Long-term Follow-up (LTFU) Study of Participants in Any iECURE Protocol Using an Investigational Product (IP)Brain Diseases, Metabolic, Brain Diseases, Metabolic, Inborn, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Digestive System Diseases, Hyperammonemia, Nutritional and Metabolic Diseases, Pathologic Processes, Pathological Conditions, Signs and Symptoms, X-linked disease, brain disorder, central nervous system disorder, hereditary disease, inborn disorder of amino acid metabolism, inborn errors of metabolism, liver disorder, metabolic disease, nervous system disorder, ornithine carbamoyltransferase deficiency, urea cycle disorderRecruitingNot stated2026-08-31NCT06805695
A Study of Sepiapterin in Participants With Phenylketonuria (PKU)Brain Diseases, Metabolic, Brain Diseases, Metabolic, Inborn, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Nutritional and Metabolic Diseases, brain disorder, central nervous system disorder, hereditary disease, inborn disorder of amino acid metabolism, inborn errors of metabolism, metabolic disease, nervous system disorder, phenylketonuriaRecruitingPhase 32026-08-28NCT06302348
Study of Chediak-Higashi SyndromeChediak-Higashi syndrome, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Eye Diseases, Hereditary, Hemic and Lymphatic Diseases, Infections, Nutritional and Metabolic Diseases, Primary Immunodeficiency Diseases, Skin and Connective Tissue Diseases, albinism, blood coagulation disease, blood platelet disease, eye disorder, hematologic disorder, hemorrhagic disease, hereditary disease, hereditary skin disorder, hypopigmentation of the skin, immune system disorder, inborn disorder of amino acid metabolism, inborn error of immunity, inborn errors of metabolism, leukocyte disorder, metabolic disease, phagocyte bactericidal dysfunction, platelet storage pool deficiency, skin disorder, skin pigmentation disorderRecruitingNot stated2026-08-28NCT00005917
Study of LNP.UCD.ABE in Patients With Urea Cycle DisordersBrain Diseases, Metabolic, Brain Diseases, Metabolic, Inborn, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Nutritional and Metabolic Diseases, brain disorder, central nervous system disorder, hereditary disease, inborn disorder of amino acid metabolism, inborn errors of metabolism, metabolic disease, nervous system disorder, urea cycle disorderRecruitingPhase 1 / Phase 22026-08-26NCT07667387
PheCheck™ Validation StudyBrain Diseases, Metabolic, Brain Diseases, Metabolic, Inborn, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Nutritional and Metabolic Diseases, brain disorder, central nervous system disorder, hereditary disease, inborn disorder of amino acid metabolism, inborn errors of metabolism, metabolic disease, nervous system disorder, phenylketonuriaRecruitingNot stated2026-08-25NCT07551921
AAVrh10-PCCA Gene Therapy for Propionic AcidemiaCongenital, Hereditary, and Neonatal Diseases and Abnormalities, Nutritional and Metabolic Diseases, hereditary disease, inborn disorder of amino acid metabolism, inborn errors of metabolism, metabolic disease, propionic acidemiaRecruitingPhase 12026-08-21NCT07643844