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Living with Hereditary spastic paraplegia 27

A type of hereditary spastic paraplegia with slowly worsening leg stiffness, pure or complex, starting in the teens or adulthood.

Understanding Hereditary spastic paraplegia 27

Hereditary spastic paraplegia 27 is a rare, pure or complex type of hereditary spastic paraplegia.

Leg stiffness gets worse slowly and comes with brisk reflexes. Some people also have nerve damage, reduced vibration sense, muscle wasting in the lower legs, speech trouble, and mild to moderate intellectual disability. It starts in the teen years or adulthood.

Signs & symptoms

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

  • Stiff legs (spastic paraplegia)
  • Brisk reflexes in the legs
  • Reduced vibration sense at the ankles
  • Overactive bladder
  • Speech trouble, less often
  • Hearing loss, less often

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 brain and nervous system specialists and genetic specialists.

  3. Ask which tests can help

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

  4. Connect with expert centers

    Spastic Paraplegia Foundation may keep lists of experts for this condition.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Genetic specialists (geneticists)
Expert care
Expert lists: Spastic Paraplegia Foundation
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 Spastic Paraplegia Foundation
  • 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
Is my form pure or complex?
Could genetic testing identify the gene?
How can an overactive bladder be treated?

Quick facts

Symptoms usually startTeenager and as an Adult
InheritanceAutosomal Recessive

GARD says changes in genes (also called variants) cause this condition. It is autosomal recessive, so a child inherits a changed copy of the gene from each parent.

GeneticNeurological

Also known as: autosomal recessive spastic paraplegia 27; autosomal recessive spastic paraplegia type 27; hereditary spastic paraplegia type 27; spastic paraplegia 27, autosomal recessive; spg27

Patient organizations

Broader rare-disease groups

Source: NIH GARD · Hereditary spastic paraplegia 27GARD ID 16940 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Hereditary spastic paraplegia 27.

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