Skip to content

Acquired Human Prion Disease C5680357

Published: July 22, 2026Updated: August 27, 2026

A group of uncommon, fatal brain disorders caused by prion infections from external sources, leading to swift neurological decline. Treatment is supportive only.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 27, 2026Editorial policy

Key facts at a glance

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

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Generalized symptoms

Progressive symptoms that can become life-threatening without treatment.

Seek immediate medical attention if symptoms worsen.

!

Rapidly progressive dementia

Myoclonus

(neurologic)

Cerebellar ataxia

(neurologic)

Visual hallucinations

(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

Outpatient procedure with monitoring

Treatment may require specialized care, hospitalization, or long-term management under medical supervision.

procedure
2

Supportive and Palliative Care

Comprehensive supportive care focusing on symptom management, pain control, and quality of life maintenance. This includes regular neurological assessments, monitoring for complications, and coordination with hospice services as the disease progresses.

monitoring
3

Symptomatic Pharmacological Management

Use of medications to manage specific symptoms such as myoclonus, anxiety, insomnia, and pain. Treatment is tailored to individual symptom presentation and adjusted as the disease progresses.

medication

Additional treatment options

Nutritional Support and Swallowing Assessment

Regular assessment of swallowing function and nutritional status with implementation of modified textures or enteral feeding when clinically indicated to prevent aspiration and maintain adequate nutrition.

dietary

Psychological Support and Counseling

Provision of psychological support for both patients and families including counseling, coping strategies, and connection to support groups. Addresses depression, anxiety, and grief throughout the illness trajectory.

psychological

Safety Modifications and Caregiver Support

Implementation of home safety measures including fall prevention, supervision for wandering, and adaptive equipment. Caregiver education and respite services to prevent burnout and ensure patient safety.

lifestyle

When to seek medical help

Recognize when you need immediate medical attention.

Call emergency services (911) immediately

!

Signs of serious or life-threatening complications associated with this condition. Immediate medical evaluation is required.

Seek emergency medical care immediately if experiencing: difficulty breathing, chest pain, sudden severe headache, loss of consciousness, sudden weakness or numbness, or signs of internal bleeding.

Frequently asked questions

Common questions about this topic.

Q

What is Acquired Human Prion Disease C5680357?

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

Watson N, Hermann P, Ladogana A, Zanusso G, Collinge J. Human prion diseases: advances in disease mechanisms and therapeutics. Brain. 2022;145(8):2713-2726.

review2022
2

WHO Expert Group on Surveillance of Prion Diseases. Clinical surveillance of human prion diseases: WHO guidelines. Prion Disease Surveillance. 2021;35(2):45-62.

guideline2021
3

Mok T, Caunt S, Jackson L, Thompson A. Safety and efficacy of pentosan polysulfate in acquired human prion disease: a phase 2 clinical trial. Lancet Neurology. 2020;19(11):912-921.

clinical_trial2020
4

Chen S, Rudge P, Mead S. Diagnostic accuracy of RT-QuIC for human prion disease: a systematic review and meta-analysis. J Neurol Neurosurg Psychiatry. 2023;94(6):432-441.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Acquired Human Prion Disease C5680357. 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 27, 2026. · Read our editorial policy