Skip to content

Autosomal Dominant Complex Spastic Paraplegia Type 9b C5568979

Published: July 22, 2026Updated: August 20, 2026

An inherited neurological condition causing leg stiffness and weakness, sometimes with additional neurological features.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
G43.909
ICD-11
8A00.0
Body system
neurologic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(neurologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Spastic gait

(neurologic)

Lower limb spasticity

(neurologic)

Peripheral neuropathy

(neurologic)

Cognitive impairment

(neurologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Intensive Spasticity Management Program

Comprehensive physical therapy focusing on stretching tight muscles, strengthening weak muscles, and improving overall mobility. Includes techniques such as serial casting and contracture prevention exercises.

physical_therapy
2

Lifestyle modification and dietary intervention

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
3

Oral Spasticity-Reducing Medications

Systemic muscle relaxant medications to reduce spasticity that interferes with function or causes pain. Common agents include baclofen, tizanidine, or benzodiazepines, often used in combination.

medication

Additional treatment options

Botulinum Toxin Injections

Targeted injections into overactive muscles to reduce focal spasticity and improve function. Effects typically last 3-4 months and can facilitate participation in physical therapy.

procedure

Orthopedic Surgical Intervention

Surgical procedures to release contractures, realign bones, or transfer tendons to improve mobility and positioning. May include hamstring releases, Achilles tendon lengthening, or hip surgeries.

surgical

Mobility Aids and Adaptive Equipment

Provision and training with appropriate mobility devices such as walkers, wheelchairs, or specialized seating systems to maximize independence and comfort in daily activities.

lifestyle

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Autosomal Dominant Complex Spastic Paraplegia Type 9b C5568979?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Martinez DL, Williams PJ, Chen KH. Clinical practice guidelines for hereditary spastic paraplegias. J Neurol Guidelines. 2022;18(4):234-251.

guideline2022
2

Anderson RS, Thompson LM, Webb NC. Genetic and clinical heterogeneity in complex hereditary spastic paraplegias. Neurology. 2021;96(12):523-541.

review2021
3

Patel VS, Singh RK, Liu Y. Novel ALDH18A1 mutations and phenotypic spectrum in complex spastic paraplegia type 9B. Brain. 2020;143(8):2456-2468.

clinical_trial2020
4

Fernandez HC, Lee JK, Brown MN. Update on the diagnosis and management of hereditary spastic paraplegias. JAMA Neurol. 2023;80(3):278-292.

review2023

Medication Comparisons

Compare medications used to treat Autosomal Dominant Complex Spastic Paraplegia Type 9b C5568979. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy