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Living with Deficiency of ferroxidase

A genetic condition in which iron slowly builds up in the brain and other organs, causing movement problems in adults.

Understanding Deficiency of ferroxidase

Deficiency of ferroxidase, also called aceruloplasminemia, is a genetic condition in which iron gradually builds up in the brain and other organs.

Neurological problems generally appear in adulthood and worsen over time. They include movement problems, poor coordination, and in some people psychiatric changes and a decline in thinking skills in their forties or fifties. People may also have diabetes caused by iron damage in the pancreas.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Muscle tensing that twists the body (dystonia)
  • Jerking movements (chorea)
  • Poor coordination (ataxia)
  • Difficulty speaking clearly
  • Diabetes
  • Problems with thinking

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include blood and bone marrow specialists, brain and nervous system specialists, eye disease specialists and genetic specialists.

  3. Consider genetic testing

    Changes in CP are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

Care & treatment

Care team
Blood and bone marrow specialists (hematologists); Brain and nervous system specialists (neurologists); Eye disease specialists (ophthalmologists); Genetic specialists (geneticists)
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with NBIA Disorders Association and other patient organizations
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Can genetic testing of the CP gene confirm the diagnosis?
How should iron levels and the brain be monitored?
Should I be screened for diabetes?

Quick facts

Symptoms usually startAdult and as an Older Adult
InheritanceAutosomal Recessive
GenesCP

Changes in the CP gene cause this condition. It is autosomal recessive, so a child inherits a changed copy of the gene from each parent.

GeneticNeurologicalBloodInherited Metabolic

Also known as: acep; aceruloplasminaemia; aceruloplasminemia; ceruloplasmin deficiency; deficiency of ceruloplasmin; familial apoceruloplasmin deficiency

Patient organizations

Source: NIH GARD · Deficiency of ferroxidaseGARD ID 9499 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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