Metabolic disease involving other neurotransmitter deficiency

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Overview

Metabolic disease involving other neurotransmitter deficiency is a rare group of inherited conditions where the body cannot properly make or break down certain chemical messengers in the brain called neurotransmitters. Neurotransmitters — such as dopamine, serotonin, and related compounds — are essential for sending signals between nerve cells. When these chemicals are too low or imbalanced, the brain and nervous system cannot work properly. This group of disorders is sometimes referred to under the broader umbrella of 'neurotransmitter metabolism disorders' or 'monoamine neurotransmitter deficiencies.' These conditions typically affect movement, muscle tone, mood, and thinking. Many children with these disorders show signs early in life, including problems with movement control, developmental delays, and episodes of abnormal muscle stiffness or looseness. Some forms also affect sleep, behavior, and the ability to regulate body temperature. Treatment depends on the specific deficiency involved but often includes supplements or medications that help restore normal neurotransmitter levels. With early diagnosis and the right treatment, some children show meaningful improvement, though outcomes vary widely depending on the exact condition and how early it is caught.

Key symptoms:

Low or floppy muscle tone (hypotonia)Stiff or rigid muscles (hypertonia or dystonia)Delayed motor development, such as late sitting or walkingIntellectual disability or learning difficultiesMovement problems or involuntary movementsSeizures or epilepsyMood changes, irritability, or behavioral problemsSleep disturbancesDifficulty swallowing or feedingExcessive sweating or temperature regulation problemsEye movement abnormalitiesFatigue and low energy

Inheritance

Variable

Can be inherited in different ways depending on the underlying gene

Age of Onset

Infantile

Begins in infancy, roughly 1 month to 2 years old

Orphanet ↗NORD ↗

Treatments

No FDA-approved treatments are currently listed for Metabolic disease involving other neurotransmitter deficiency.

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No actively recruiting trials found for Metabolic disease involving other neurotransmitter deficiency at this time.

New trials open frequently. Follow this disease to get notified.

Search ClinicalTrials.gov ↗Join the Metabolic disease involving other neurotransmitter deficiency community →

No specialists are currently listed for Metabolic disease involving other neurotransmitter deficiency.

View NORD Rare Disease Centers ↗Undiagnosed Disease Network ↗

Treatment Centers

8 centers
🏥 NORD

Baylor College of Medicine Rare Disease Center

Baylor College of Medicine

📍 Houston, TX

🏥 NORD

Stanford Medicine Rare Disease Center

Stanford Medicine

📍 Stanford, CA

🔬 UDN

NIH Clinical Center Undiagnosed Diseases Program

National Institutes of Health

📍 Bethesda, MD

🔬 UDN

UCLA UDN Clinical Site

UCLA Health

📍 Los Angeles, CA

🔬 UDN

Baylor College of Medicine UDN Clinical Site

Baylor College of Medicine

📍 Houston, TX

🔬 UDN

Harvard/MGH UDN Clinical Site

Massachusetts General Hospital

📍 Boston, MA

🏥 NORD

Mayo Clinic Center for Individualized Medicine

Mayo Clinic

📍 Rochester, MN

👤 Mayo Clinic Center for Individualized Medicine

🏥 NORD

UCLA Rare Disease Day Program

UCLA Health

📍 Los Angeles, CA

Travel Grants

No travel grants are currently matched to Metabolic disease involving other neurotransmitter deficiency.

Search all travel grants →NORD Financial Assistance ↗

Community

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Latest news about Metabolic disease involving other neurotransmitter deficiency

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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.Which specific neurotransmitter deficiency does my child have, and what gene is involved?,What treatment options are available for this specific type, and are any FDA-approved?,How will we monitor whether the treatment is working?,Are there clinical trials or gene therapy options we should consider?,What signs should prompt me to seek emergency care?,What therapies — physical, occupational, or speech — would benefit my child most?,Should other family members be tested for this condition?

Common questions about Metabolic disease involving other neurotransmitter deficiency

What is Metabolic disease involving other neurotransmitter deficiency?

Metabolic disease involving other neurotransmitter deficiency is a rare group of inherited conditions where the body cannot properly make or break down certain chemical messengers in the brain called neurotransmitters. Neurotransmitters — such as dopamine, serotonin, and related compounds — are essential for sending signals between nerve cells. When these chemicals are too low or imbalanced, the brain and nervous system cannot work properly. This group of disorders is sometimes referred to under the broader umbrella of 'neurotransmitter metabolism disorders' or 'monoamine neurotransmitter defi

At what age does Metabolic disease involving other neurotransmitter deficiency typically begin?

Typical onset of Metabolic disease involving other neurotransmitter deficiency is infantile. Age of onset can vary across affected individuals.