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Living with Intellectual disability, autosomal dominant 29

A genetic condition with speech and language problems, intellectual disability, and distinct facial features.

Understanding Intellectual disability, autosomal dominant 29

Intellectual disability, autosomal dominant 29 (SETBP1 haploinsufficiency disorder) is a condition with speech and language problems, intellectual disability, and distinctive facial features.

Vocabulary and speech production are generally more affected than understanding speech. About 80 percent of affected children have childhood apraxia of speech, which makes mouth movements for speech hard. Intellectual disability ranges from mild to moderate.

Signs & symptoms

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

  • Little or no speech
  • Delayed speech and language
  • Drooping upper eyelid (ptosis)
  • Farsightedness
  • High palate
  • Broad big toe

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

    Your doctor may refer you to a specialist who knows rare conditions.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
A doctor familiar with rare conditions, plus specialists as needed
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 SETBP1 Society 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 for the SETBP1 gene confirm the diagnosis?
Would speech therapy for apraxia help my child?
What other ways can my child communicate?

Quick facts

InheritanceAutosomal Dominant

GARD says it is inherited in an autosomal dominant pattern, meaning one changed copy of the gene can be enough. The name points to the SETBP1 gene.

Also known as: autosomal dominant intellectual disability 29; intellectual developmental disorder, autosomal dominant 29; intellectual disability-expressive aphasia-facial dysmorphism syndrome caused by mutation in setbp1; intellectual disability, autosomal dominant type 29; mrd29; setbp1 haploinsufficiency disorder

Patient organizations

Source: NIH GARD · Intellectual disability, autosomal dominant 29GARD ID 13379 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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