Spastic paraplegia-precocious puberty syndrome

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ORPHA:2826OMIM:182820G11.4
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Overview

Spastic paraplegia-precocious puberty syndrome is an extremely rare neurological condition characterized by the combination of hereditary spastic paraplegia and precocious (early) puberty. This syndrome primarily affects the nervous system and the endocrine (hormonal) system. The spastic paraplegia component involves progressive stiffness and weakness of the lower limbs due to degeneration of the corticospinal tracts in the spinal cord, leading to difficulty walking and increased muscle tone (spasticity) in the legs. Precocious puberty refers to the abnormally early onset of sexual maturation, occurring before the expected age of pubertal development. The condition has been described in only a very small number of families in the medical literature, making it one of the rarest forms of hereditary spastic paraplegia. Additional neurological features such as intellectual disability and dysarthria (difficulty with speech) may also be present in some affected individuals. The onset of neurological symptoms typically occurs in childhood. There is currently no cure for spastic paraplegia-precocious puberty syndrome. Treatment is symptomatic and supportive. Management of spasticity may include physical therapy, antispasticity medications (such as baclofen or tizanidine), and orthopedic interventions. Precocious puberty may be managed with gonadotropin-releasing hormone (GnRH) analogs to delay further pubertal progression. A multidisciplinary approach involving neurologists, endocrinologists, and rehabilitation specialists is recommended for optimal care.

Clinical phenotype terms— hover any for plain English:

Precocious puberty in malesHP:0008185Hyperplasia of the Leydig cellsHP:0010791
Inheritance

Autosomal recessive

Passed on when both parents carry the same gene change; often skips generations

Age of Onset

Childhood

Begins in childhood, roughly ages 1 to 12

Orphanet ↗OMIM ↗NORD ↗

Treatments

No FDA-approved treatments are currently listed for Spastic paraplegia-precocious puberty syndrome.

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No actively recruiting trials found for Spastic paraplegia-precocious puberty syndrome at this time.

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No specialists are currently listed for Spastic paraplegia-precocious puberty syndrome.

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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 Spastic paraplegia-precocious puberty syndrome.

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Common questions about Spastic paraplegia-precocious puberty syndrome

What is Spastic paraplegia-precocious puberty syndrome?

Spastic paraplegia-precocious puberty syndrome is an extremely rare neurological condition characterized by the combination of hereditary spastic paraplegia and precocious (early) puberty. This syndrome primarily affects the nervous system and the endocrine (hormonal) system. The spastic paraplegia component involves progressive stiffness and weakness of the lower limbs due to degeneration of the corticospinal tracts in the spinal cord, leading to difficulty walking and increased muscle tone (spasticity) in the legs. Precocious puberty refers to the abnormally early onset of sexual maturation,

How is Spastic paraplegia-precocious puberty syndrome inherited?

Spastic paraplegia-precocious puberty syndrome follows a autosomal recessive inheritance pattern. Genetic counseling can help families understand recurrence risk and testing options.

At what age does Spastic paraplegia-precocious puberty syndrome typically begin?

Typical onset of Spastic paraplegia-precocious puberty syndrome is childhood. Age of onset can vary across affected individuals.