Living with 4p16.3 microduplication syndrome
A rare genetic condition that can bring delayed development and language, seizures, and distinct facial features.
Understanding 4p16.3 microduplication syndrome
Features vary widely. They mainly include delays in movement and language, seizures, and distinct facial features. Eye differences such as glaucoma, irregular iris color, and farsightedness have been reported. GARD lists onset as the newborn and infant period.
Signs & symptoms
GARD doesn't list specific symptoms for this condition yet. The summary describes these features:
- Delayed movement and language
- Seizures
- High forehead
- Wide-set eyes (hypertelorism)
- Short neck
- Eye differences (glaucoma, farsightedness)
Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.
Diagnosis
- 1Talk with your doctor
Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.
- 2See a specialist
Specialists who may be involved include genetic specialists and hormone specialists.
- 3Ask which tests can help
Your care team will decide which exams and tests can confirm the diagnosis.
Care & treatment
- Care team
- Genetic specialists (geneticists); Hormone specialists (endocrinologists)
- 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 Chromosome Disorder Outreach
- 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
Quick facts
GARD says changes in genes (also called variants) cause this condition. The summary describes a partial duplication of the short arm of chromosome 4.
Also known as: distal duplication 4p; distal trisomy 4p; telomeric duplication 4p; trisomy 4pter
Patient organizations
- Chromosome Disorder OutreachChromosome disorders · United States
Broader rare-disease groups
- Global GenesRare Diseases · United States
- National Organization for Rare DisordersRare Diseases · United States
- Genetic AllianceRare Diseases · United States
- RARE FoundationRare Diseases · United States
You are more than your diagnosis
Perspectives from people navigating life with 4p16.3 microduplication syndrome.
Explore research for 4p16.3 microduplication syndrome
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- Recruiting studies from ClinicalTrials.gov
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- Eligibility is confirmed by the study team
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