Overview
Disorder of metabolite absorption and transport is a broad group of rare inherited conditions where the body has trouble absorbing or moving important nutrients and small molecules (called metabolites) across cell membranes or within the body. These metabolites include things like amino acids, sugars, vitamins, minerals, and fats. Normally, specialized transport proteins in the gut, kidneys, and other organs help move these substances into and out of cells. When these transport systems do not work properly, the body may not get enough of certain essential nutrients, or harmful substances may build up. Symptoms vary widely depending on which specific transport system is affected. Some patients may experience poor growth, nutritional deficiencies, digestive problems, kidney stones, or neurological issues. Symptoms can appear at any age, from infancy through adulthood, depending on the specific condition within this group. Treatment depends on the exact diagnosis and typically focuses on replacing the missing nutrient, adjusting the diet, or using medications to manage symptoms. Some conditions in this group respond very well to supplementation or dietary changes, while others may be more difficult to manage. Early diagnosis through metabolic testing and genetic analysis is important because timely treatment can prevent serious complications and improve quality of life. Because this is a category of many different conditions rather than a single disease, working with a metabolic specialist is essential to get the right diagnosis and personalized care plan.
Key symptoms:
Poor growth or failure to thrive in childrenChronic diarrhea or digestive problemsNutritional deficiencies despite adequate dietKidney stones or kidney problemsMuscle weakness or fatigueSkin rashes or changesBone pain or softening of bonesDevelopmental delays in childrenSeizures or neurological problemsAnemia or low blood countsFrequent infectionsDehydration episodesLiver enlargement or liver problemsVision or eye problemsMood or behavioral changes
Variable
Can be inherited in different ways depending on the underlying gene
Variable
Can begin at different ages, from infancy through adulthood
Treatments
No FDA-approved treatments are currently listed for Disorder of metabolite absorption and transport.
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Specialists
View all specialists →No specialists are currently listed for Disorder of metabolite absorption and transport.
Treatment Centers
8 centersBaylor College of Medicine Rare Disease Center ↗
Baylor College of Medicine
📍 Houston, TX
🏥 NORDStanford Medicine Rare Disease Center ↗
Stanford Medicine
📍 Stanford, CA
🔬 UDNNIH Clinical Center Undiagnosed Diseases Program ↗
National Institutes of Health
📍 Bethesda, MD
🔬 UDNUCLA UDN Clinical Site ↗
UCLA Health
📍 Los Angeles, CA
🔬 UDNBaylor College of Medicine UDN Clinical Site ↗
Baylor College of Medicine
📍 Houston, TX
🔬 UDNHarvard/MGH UDN Clinical Site ↗
Massachusetts General Hospital
📍 Boston, MA
🏥 NORDMayo Clinic Center for Individualized Medicine ↗
Mayo Clinic
📍 Rochester, MN
👤 Mayo Clinic Center for Individualized Medicine
🏥 NORDUCLA Rare Disease Day Program ↗
UCLA Health
📍 Los Angeles, CA
Travel Grants
No travel grants are currently matched to Disorder of metabolite absorption and transport.
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Caregiver Resources
NORD Caregiver Resources
Support, advocacy, and financial assistance for caregivers of rare disease patients.
Mental Health Support
Rare disease caregiving can be isolating. Connect with counseling and peer support.
Family & Caregiver Grants
Financial assistance programs specifically for caregivers of rare disease patients.
Social Security Disability
Learn how rare disease patients may qualify for SSDI/SSI benefits.
Questions for your doctor
Bring these to your next appointment
- Q1.What specific type of metabolite transport disorder does my child or I have, and which gene is involved?,What dietary changes are needed, and can I work with a specialized dietitian?,What supplements or medications are recommended, and are there any side effects?,How often will blood and urine tests be needed to monitor the condition?,What are the warning signs of a metabolic crisis, and what should I do in an emergency?,Are there any long-term complications I should watch for, such as kidney or neurological problems?,Should other family members be tested for this condition?
Common questions about Disorder of metabolite absorption and transport
What is Disorder of metabolite absorption and transport?
Disorder of metabolite absorption and transport is a broad group of rare inherited conditions where the body has trouble absorbing or moving important nutrients and small molecules (called metabolites) across cell membranes or within the body. These metabolites include things like amino acids, sugars, vitamins, minerals, and fats. Normally, specialized transport proteins in the gut, kidneys, and other organs help move these substances into and out of cells. When these transport systems do not work properly, the body may not get enough of certain essential nutrients, or harmful substances may b