Inborn errors of metabolism
MONDO:0019052An inherited disorder resulting from an enzyme defect in biochemical and metabolic pathways affecting proteins, fats, carbohydrates metabolism or organelle function.
Also known as: congenital metabolic disorder, congenital metabolism disorder, hereditary metabolic disease, inborn disorders of metabolism, inborn error of metabolism, inborn errors of metabolism, inborn metabolic disorder, inherited disorder of metabolism
1961 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsSub-types
Broader categories
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Experimental drug targets stubborn cholesterol in rare disease
Disease control TerminatedThis study tested an experimental drug called ARO-ANG3 in 18 people with homozygous familial hypercholesterolemia (HoFH), a rare genetic condition causing extremely high cholesterol. Participants received injections of the drug and were monitored for safety and cholesterol change…
Phase: PHASE2 • Sponsor: Arrowhead Pharmaceuticals • Aim: Disease control
Last updated Jun 27, 2026 13:06 UTC
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Promising seizure drug study halted early
Disease control TerminatedThis study looked at the long-term safety of the drug NBI-921352 for people with a rare genetic seizure disorder called SCN8A-DEE. It was an extension of an earlier study, and participants took the drug alongside their usual seizure medications. The study was stopped early and on…
Phase: PHASE2 • Sponsor: Neurocrine Biosciences • Aim: Disease control
Last updated Jun 27, 2026 12:37 UTC
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Blood cancer transplant study tests safer GVHD prevention
Disease control TerminatedThis phase 2 trial tested two different drug combinations to prevent graft-versus-host disease (GVHD) in 150 people with blood cancers receiving a stem cell transplant from an unrelated donor. Both combinations used cyclosporine and sirolimus, plus either mycophenolate mofetil or…
Phase: PHASE2 • Sponsor: Fred Hutchinson Cancer Center • Aim: Disease control
Last updated Jun 27, 2026 12:33 UTC
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Cancer drug combo trial halted early: what it means for patients
Disease control TerminatedThis study tested a combination of two drugs, ibrutinib and ixazomib, in 21 people with Waldenström macroglobulinemia, a rare blood cancer. The goal was to see if the combo could shrink or control the cancer. The trial was stopped early, so results are limited, but the approach a…
Phase: PHASE2 • Sponsor: Mayo Clinic • Aim: Disease control
Last updated Jun 27, 2026 12:29 UTC
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MRNA therapy trial for rare acidemia halted early
Disease control TerminatedThis study tested an mRNA therapy called mRNA-3705 in 18 people with a rare genetic condition called methylmalonic acidemia, which causes harmful acid buildup. The therapy aimed to help the body produce a missing enzyme to lower acid levels. The trial was terminated early, so fin…
Phase: PHASE1, PHASE2 • Sponsor: ModernaTX, Inc. • Aim: Disease control
Last updated Jun 27, 2026 12:28 UTC
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Experimental KRRO-110 trial for rare lung condition halted early
Disease control TerminatedThis study tested an experimental drug called KRRO-110 in healthy volunteers and people with Alpha-1 Antitrypsin Deficiency (AATD), a genetic condition that can cause lung and liver damage. The goal was to check safety and how the drug moves through the body. However, the trial w…
Phase: PHASE1, PHASE2 • Sponsor: Korro Bio, Inc. • Aim: Disease control
Last updated Jun 27, 2026 12:09 UTC
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Could a common cholesterol drug protect bones and hearts after spinal injury?
Disease control TerminatedThis study tested whether the statin drug rosuvastatin, taken daily with supplements, could improve bone density and reduce heart disease risk in adults with long-term spinal cord injury. Only 8 people enrolled before the trial was stopped early. Participants received either rosu…
Phase: PHASE2 • Sponsor: Dr. B. Catharine. Craven • Aim: Disease control
Last updated Jun 27, 2026 12:07 UTC
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Experimental drug for cholesterol and fatty liver fails to advance
Disease control TerminatedThis early-stage trial tested a new drug called LY3885125 in people with high cholesterol (dyslipidemia) and non-alcoholic fatty liver disease (NAFLD). The main goal was to check safety and how the body processes the drug. The study was terminated, meaning it stopped early, so it…
Phase: PHASE1 • Sponsor: Eli Lilly and Company • Aim: Disease control
Last updated Jun 27, 2026 12:06 UTC
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Promising liver drug trial halted early: what it means for patients
Disease control TerminatedThis study tested a new drug called belcesiran in people with a genetic condition called alpha-1 antitrypsin deficiency that causes liver damage. The goal was to see if the drug is safe and can lower harmful protein levels in the liver. The trial was stopped early, so results are…
Phase: PHASE2 • Sponsor: Dicerna Pharmaceuticals, Inc., a Novo Nordisk company • Aim: Disease control
Last updated Jun 27, 2026 12:04 UTC
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Cough medicine repurposed for rare brain disease in kids
Disease control TerminatedThis study tested high doses of Ambroxol, a common cough medicine, in 12 children aged 3 to 18 with Type 3 Gaucher disease, a rare genetic disorder affecting the brain and body. The goal was to see if it is safe and can improve movement problems like ataxia. The trial took place …
Phase: NA • Sponsor: Agyany Pharma LTD • Aim: Disease control
Last updated Jun 27, 2026 12:03 UTC
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Growth hormone study for short kids halted early
Disease control TerminatedThis study looked at two ways of giving growth hormone to short children who were born small for their age. The goal was to see which dosing method works better for growth and has fewer side effects on metabolism. Only 10 children took part before the study was stopped early.
Phase: PHASE4 • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Disease control
Last updated Jun 27, 2026 12:03 UTC
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New drug aims to tame hard-to-control seizures in rare mitochondrial disorders
Disease control TerminatedThis study tested a drug called vatiquinone in 68 people with mitochondrial disease and epilepsy that doesn't respond to standard treatments. Participants were randomly assigned to receive either vatiquinone or a placebo for 24 weeks to see if the drug could reduce the number of …
Phase: PHASE2, PHASE3 • Sponsor: PTC Therapeutics • Aim: Disease control
Last updated Jun 27, 2026 12:03 UTC
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Plant-Based diet shows promise for diabetes remission in new study
Disease control TerminatedThis study looked at whether a plant-based diet and lifestyle changes could help people with type 2 diabetes, prediabetes, or obesity improve their health. Researchers aimed for diabetes remission (normal blood sugar without medication for at least 3 months) or significant weight…
Phase: NA • Sponsor: National Council of Scientific and Technical Research, Argentina • Aim: Disease control
Last updated Jun 27, 2026 11:02 UTC
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Obesity drug cocktail tested for heart benefits – study halted early
Disease control TerminatedThis study looked at whether using a combination of weight-loss medications could help people with obesity lose weight and improve the health of their blood vessels. It involved 128 adults aged 40-75 who were obese and had at least one heart risk factor. The study was stopped ear…
Phase: PHASE2 • Sponsor: University of Iowa • Aim: Disease control
Last updated Jun 27, 2026 11:01 UTC
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New PKU formula shows promise in managing blood levels
Disease control TerminatedThis study tested a new amino acid formula called PKU GOLIKE in people aged 16 and older with phenylketonuria (PKU). The goal was to see if it could better control daily swings in blood phenylalanine levels compared to standard treatment. The study was stopped early, so results a…
Phase: NA • Sponsor: APR Applied Pharma Research s.a. • Aim: Disease control
Last updated Jun 27, 2026 11:00 UTC
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Experimental CAR T-Cell therapy targets rare B-Cell cancers
Disease control TerminatedThis phase 2 study tested a treatment called brexucabtagene autoleucel, a CAR T-cell therapy made from a patient's own immune cells, for four rare B-cell cancers: Waldenstrom macroglobulinemia, Richter transformation, Burkitt lymphoma, and hairy cell leukemia. The trial enrolled …
Phase: PHASE2 • Sponsor: Kite, A Gilead Company • Aim: Disease control
Last updated Jun 27, 2026 11:00 UTC
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Hope fades: trial of Tay-Sachs drug venglustat terminated early
Disease control TerminatedThis Phase 3 trial tested an oral drug called venglustat in 75 adults and children with late-onset Tay-Sachs or Sandhoff disease, rare genetic disorders that cause progressive nerve damage. The drug aimed to lower toxic fat buildup in the brain and slow disease worsening. However…
Phase: PHASE3 • Sponsor: Genzyme, a Sanofi Company • Aim: Disease control
Last updated Jun 27, 2026 09:00 UTC
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Experimental drug for rare lung disease shows early promise but trial halted
Disease control TerminatedThis early-phase study tested a drug called ARC-AAT in healthy volunteers and people with Alpha-1 Antitrypsin Deficiency (AATD), a genetic condition that can lead to lung and liver damage. The main goal was to check safety and how the drug affects levels of a key protein in the b…
Phase: PHASE1 • Sponsor: Arrowhead Pharmaceuticals • Aim: Disease control
Last updated Jun 27, 2026 08:10 UTC
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New hope for kids with rare hormone disorder: drug may cut steroid doses
Disease control TerminatedThis study tested an experimental drug called tildacerfont in 67 children aged 2 to 17 with congenital adrenal hyperplasia (CAH), a genetic condition that disrupts hormone production. The goal was to see if adding this once-daily pill to standard steroid treatment could improve d…
Phase: PHASE2 • Sponsor: Spruce Biosciences • Aim: Disease control
Last updated Jun 27, 2026 08:06 UTC
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New dialysis device for Wilson's disease tested but trial stopped early
Disease control TerminatedThis trial tested a special dialysis device (MEX-CD1) designed to remove extra copper from the blood of people with Wilson's disease, a genetic condition that causes copper buildup. The study planned to give 5 to 10 treatments over consecutive days and check if the device worked …
Phase: NA • Sponsor: Mexbrain • Aim: Disease control
Last updated Jun 27, 2026 08:02 UTC
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Prostate cancer drug trialed to reduce steroids in kids with rare hormone disorder
Disease control TerminatedThis early-phase study tested a drug called abiraterone acetate (normally used for prostate cancer) in 4 children with congenital adrenal hyperplasia (CAH). The goal was to see if it could lower high male hormone levels and reduce the need for strong steroid medications that can …
Phase: PHASE1 • Sponsor: University of Texas Southwestern Medical Center • Aim: Disease control
Last updated Jun 27, 2026 07:56 UTC
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Halted gene therapy study raises questions for AMN patients
Disease control TerminatedThis early-stage trial tested a gene therapy called SBT101 for adrenomyeloneuropathy (AMN), a rare nerve disease that causes walking difficulties. Eight adults received either the therapy or a sham procedure. The study was terminated early, so we have limited data on safety and e…
Phase: PHASE1, PHASE2 • Sponsor: SwanBio Therapeutics, Inc. • Aim: Disease control
Last updated Jun 27, 2026 07:56 UTC
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Experimental cell therapy targets deadly childhood brain cancer
Disease control TerminatedThis early-phase trial tested a new immunotherapy approach for children with DIPG, a rare and aggressive brain stem tumor. After standard radiation and chemotherapy, patients received special vaccines and immune cells designed to attack the tumor. The study was small (11 particip…
Phase: PHASE1 • Sponsor: University of Florida • Aim: Disease control
Last updated Jun 27, 2026 07:55 UTC
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Promising epilepsy drug trial halted early – what we know
Disease control TerminatedThis study tested an experimental drug called NBI-921352 in people aged 2 to 21 with a rare, severe form of epilepsy caused by a change in the SCN8A gene. The goal was to see if adding this drug to their current seizure medicines could reduce how often they had seizures. The tria…
Phase: PHASE2 • Sponsor: Neurocrine Biosciences • Aim: Disease control
Last updated Jun 27, 2026 07:54 UTC
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Experimental drug targets rare fat Disorder's metabolic woes
Disease control TerminatedThis phase 2 trial tested a drug called REGN4461 (mibavademab) in 20 people with familial partial lipodystrophy, a rare condition causing abnormal fat distribution and metabolic problems. The study aimed to see if the drug could lower high triglycerides and improve blood sugar co…
Phase: PHASE2 • Sponsor: Regeneron Pharmaceuticals • Aim: Disease control
Last updated Jun 27, 2026 07:54 UTC
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New drug aims to cut steroid use in rare hormone disorder
Disease control TerminatedThis study tested a daily tablet called Tildacerfont in 100 adults with classic congenital adrenal hyperplasia, a condition where the body can't make certain hormones properly. The goal was to see if the drug could safely reduce the high doses of steroids patients need to take. T…
Phase: PHASE2 • Sponsor: Spruce Biosciences • Aim: Disease control
Last updated Jun 27, 2026 07:53 UTC
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Heart risk check for schizophrenia drugs
Disease control TerminatedThis study aimed to see how two antipsychotic drugs, aripiprazole and ziprasidone, affect heart risk in people with schizophrenia, schizoaffective disorder, or bipolar disorder. Researchers measured blood fats and heart electrical changes in 48 adults over 12 months. The trial wa…
Phase: PHASE3 • Sponsor: Northwestern University • Aim: Disease control
Last updated Jun 27, 2026 07:53 UTC
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Could a diabetes drug help kids with rare PMM2-CDG?
Disease control TerminatedThis study tested an oral drug called epalrestat, originally used for diabetic nerve pain, in children with PMM2-CDG, a rare genetic disorder that causes nerve problems and other symptoms. The trial aimed to see if the drug could safely improve nerve function and metabolic marker…
Phase: PHASE3 • Sponsor: Maggie's Pearl, LLC • Aim: Disease control
Last updated Jun 27, 2026 07:52 UTC
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Heart drug for diabetics shows promise but trial ends early
Disease control TerminatedThis study tested whether pemafibrate, a drug that lowers triglycerides, could reduce heart attacks, strokes, and heart-related deaths in over 10,000 people with type 2 diabetes and high triglycerides. Participants took either pemafibrate or a placebo twice daily. The trial was t…
Phase: PHASE3 • Sponsor: Kowa Research Institute, Inc. • Aim: Disease control
Last updated Jun 27, 2026 07:51 UTC
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Experimental therapy for rare metabolic disease shows early promise
Disease control TerminatedThis study tested a new medicine called ARCT-810 in 8 people aged 12 to 65 with ornithine transcarbamylase (OTC) deficiency, a rare genetic disorder that causes dangerous ammonia buildup. The main goal was to check the drug's safety and how the body processes it. The trial was st…
Phase: PHASE2 • Sponsor: Arcturus Therapeutics, Inc. • Aim: Disease control
Last updated Jun 27, 2026 07:51 UTC
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Experimental drug zavesca tested for rare fatal brain diseases in infants
Disease control TerminatedThis phase 3 trial tested the drug miglustat (Zavesca) in 30 infants with Sandhoff or Tay-Sachs diseases, rare genetic disorders that destroy nerve cells. The goal was to see if the drug could reduce hospitalizations, seizures, and feeding problems while improving motor function.…
Phase: PHASE3 • Sponsor: Tehran University of Medical Sciences • Aim: Disease control
Last updated Jun 26, 2026 17:51 UTC
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Pompe disease drug trial halted after just 3 patients
Disease control TerminatedThis study tested an oral drug called duvoglustat in adults with Pompe disease, a rare genetic disorder that causes muscle weakness. Only 3 people took part, and the study was stopped early. Researchers looked at safety and whether the drug could improve walking distance and othe…
Phase: PHASE2 • Sponsor: Amicus Therapeutics • Aim: Disease control
Last updated Jun 26, 2026 16:43 UTC
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Experimental pill for rare lung and liver disease hits snag: trial stopped early
Disease control TerminatedThis study tested an experimental drug called VX-864 in 14 people with a severe form of alpha-1 antitrypsin deficiency (PiZZ genotype). The goal was to see if the pill could raise protective protein levels in the blood and reduce harmful buildup in the liver. The trial was termin…
Phase: PHASE2 • Sponsor: Vertex Pharmaceuticals Incorporated • Aim: Disease control
Last updated Jun 26, 2026 15:04 UTC
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Experimental drug pomalidomide tested in rare blood cancer
Disease control TerminatedThis early-phase trial tested the drug pomalidomide in 15 people with Waldenstrom macroglobulinemia, a rare blood cancer that had returned or was not responding to prior treatments. The goal was to find the safest dose and see how the drug affects the immune system and cancer gro…
Phase: PHASE1 • Sponsor: M.D. Anderson Cancer Center • Aim: Disease control
Last updated Jun 26, 2026 14:07 UTC
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Experimental gene therapy targets Tay-Sachs and sandhoff in kids
Disease control TerminatedThis early-stage trial tested a gene therapy called AXO-AAV-GM2 in children with Tay-Sachs or Sandhoff disease, rare and fatal genetic brain disorders. The therapy delivers healthy genes directly into the brain and spinal fluid to try to restore a missing enzyme. The study was te…
Phase: PHASE1 • Sponsor: Terence Flotte • Aim: Disease control
Last updated Jun 26, 2026 13:03 UTC
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Porphyria prevention study halted early – little data to go on
Prevention TerminatedThis small phase 2 trial tested whether the drug Panhematin could prevent acute attacks in people with certain types of porphyria. Only 13 participants were enrolled before the study was terminated early. Researchers tracked attacks and serious side effects, but the limited data …
Phase: PHASE2 • Sponsor: The University of Texas Medical Branch, Galveston • Aim: Prevention
Last updated Jun 27, 2026 09:00 UTC
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Can a scented fan ease breathlessness at the end of life?
Symptom relief TerminatedThis study looked at whether blowing a fan with aromatherapy on the face can help reduce breathlessness in people with terminal illness. The trial planned to enroll 26 adults who were near the end of life and had trouble breathing. Participants were randomly assigned to receive a…
Phase: NA • Sponsor: Tsai-Wei Huang • Aim: Symptom relief
Last updated Jun 28, 2026 00:00 UTC
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Can an antioxidant supplement ease bladder troubles in older women?
Symptom relief TerminatedThis pilot study tested whether MitoQ, an antioxidant supplement, could improve bladder symptoms like urgency and frequency in women aged 50 and older with metabolic syndrome. Twenty participants took either MitoQ or a placebo for 4 months, tracking their symptoms through questio…
Phase: PHASE2 • Sponsor: Iman Al-Naggar, PhD • Aim: Symptom relief
Last updated Jun 27, 2026 12:28 UTC
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Tafamidis tablet vs capsule: which works better?
Knowledge-focused TerminatedThis early-stage study aimed to compare how a tablet form of tafamidis is absorbed in the body compared to the existing capsule form. It involved 24 healthy adults who took a single dose of each form under fed conditions. The study was terminated early, so results may be limited.
Phase: PHASE1 • Sponsor: Pfizer • Aim: Knowledge-focused
Last updated Jun 28, 2026 00:00 UTC
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Fabry disease sperm study halted early
Knowledge-focused TerminatedThis study aimed to find out how common sperm problems are in men with Fabry disease. Researchers planned to check sperm samples from 22 men aged 18 to 65. The study was stopped early, so results are limited.
Phase: NA • Sponsor: University Hospital, Bordeaux • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:00 UTC
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PKU diet in childhood may shape adult IQ, study finds
Knowledge-focused TerminatedThis study looks at adults with phenylketonuria (PKU) who were diagnosed as newborns and treated with a special diet. Researchers want to see if how long and how strictly they followed the diet as children affects their intelligence (IQ) as adults. The goal is to use this informa…
Sponsor: University Hospital, Lille • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:37 UTC
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Why are people with this rare bone disorder prone to diabetes?
Knowledge-focused TerminatedThis pilot study aims to understand why people with pseudohypoparathyroidism type 1A (PHP1A) have a higher risk of type 2 diabetes. Researchers will measure insulin sensitivity and beta-cell function in 14 participants with PHP1A or related conditions, comparing them to matched h…
Sponsor: Vanderbilt University Medical Center • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:28 UTC
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Superhero training for food allergy safety falls short
Knowledge-focused TerminatedThis study aimed to help children aged 6-8 from low-income families learn how to avoid foods they are allergic to. The program used fun, hands-on activities to teach safety skills. The study was stopped early, so we don't have clear results on whether it worked.
Phase: NA • Sponsor: Kent State University • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:23 UTC
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Ibrutinib heart risks under the microscope: can we predict them?
Knowledge-focused TerminatedThis study aimed to understand why some people taking the cancer drug ibrutinib develop heart issues like atrial fibrillation (irregular heartbeat) and high blood pressure. Researchers planned to follow 8 patients with blood cancers, using heart tests and blood markers to try to …
Sponsor: Centre Hospitalier Universitaire Dijon • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:08 UTC
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Heart study explores Yoga's effect on genes
Knowledge-focused TerminatedThis study tested whether a 16-week program of yoga and lifestyle changes could affect gene activity (micro RNA) and heart disease risk factors in 16 adults with coronary artery disease. Participants had either undergone a heart procedure or had non-obstructive heart disease with…
Phase: NA • Sponsor: Icahn School of Medicine at Mount Sinai • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:05 UTC
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Rare disease study aims to map MLIV's natural course
Knowledge-focused TerminatedThis study followed 7 people with Mucolipidosis Type IV (MLIV) to learn how the disease naturally progresses. Researchers used tests like neuropsychological exams, blood and urine tests, and brain MRIs to find better ways to measure the disease. The goal was to improve future cli…
Sponsor: Baylor Research Institute • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:14 UTC
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Rare disease mystery: scientists watch AMN progress in hopes of finding a cure
Knowledge-focused TerminatedThis study followed 65 adult men with a rare inherited nerve disease called AMN (a form of spastic paraplegia) to understand how their symptoms change over time. Researchers collected data on walking ability and quality of life. The goal was to fill gaps in knowledge about the di…
Sponsor: SwanBio Therapeutics, Inc. • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:56 UTC
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Hidden heart condition: study seeks to uncover missed diagnosis in heart failure patients
Knowledge-focused TerminatedThis study aims to find out how common transthyretin amyloidosis cardiomyopathy (ATTR-CM) is in Russian patients with a certain type of heart failure. Researchers will review medical records and then invite some patients for extra heart tests to confirm or rule out ATTR-CM. The g…
Sponsor: AstraZeneca • Aim: Knowledge-focused
Last updated Jun 26, 2026 17:47 UTC
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Gene therapy for krabbe disease: did it last?
Knowledge-focused TerminatedThis study follows up on children with Krabbe disease who received a one-time gene therapy infusion (FBX-101) in earlier trials. Researchers will monitor safety and measure motor skills over time. Only 2 participants are enrolled, so results are very limited.
Sponsor: Forge Biologics, Inc • Aim: Knowledge-focused
Last updated Jun 26, 2026 13:47 UTC