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Published on: October 14, 2021
Behavioral symptoms associated with Huntington's disease
Karen E Anderson1, Frederick J Marshall
1Department of Neurology, Movement Disorders Division, University of Maryland, School of Medicine, Baltimore, Maryland, USA.
Insights
Huntington's disease (HD) patients experience significant behavioral symptoms like irritability and apathy. While behavioral interventions and standard pharmacotherapy show promise, controlled studies are needed to confirm their efficacy in managing these complex symptoms.
Area of Science:
- Neurology
- Psychiatry
- Neurodegenerative Diseases
Background:
- Huntington's disease (HD) is characterized by motor, cognitive, and psychiatric symptoms.
- Behavioral symptoms significantly contribute to patient morbidity and caregiver burden.
- Existing interventions for behavioral symptoms in HD require further validation.
Purpose of the Study:
- To review the role of behavioral symptoms in Huntington's disease.
- To discuss the potential utility of behavioral interventions and pharmacotherapy.
- To highlight the need for controlled studies on treatment efficacy in HD patients.
Main Methods:
- Clinical observation and literature review.
- Evaluation of behavioral symptoms, including irritability and apathy.
- Assessment of standard pharmacotherapy response in HD patients.
Main Results:
- Behavioral symptoms are nearly universal in HD patients, exacerbating disease impact.
- Behavioral interventions may help manage specific symptoms like irritability and apathy.
- Clinical observations suggest HD patients respond to standard pharmacotherapy.
- Underlying medical conditions should be ruled out for rapid behavioral changes.
Conclusions:
- Behavioral symptoms are a critical aspect of Huntington's disease management.
- Behavioral interventions and pharmacotherapy are potential treatment avenues.
- Rigorous controlled studies are essential to establish evidence-based treatment guidelines for psychiatric symptoms in HD.
Abstract:
In addition to the abnormal movements most commonly associated with HD, cognitive impairment and psychiatric symptoms occur in almost all patients. These behavioral symptoms contribute to morbidity and augment what is often an overwhelming caregiver burden. Behavioral interventions may be useful in managing some HD patients with behavioral symptoms, especially irritability and apathy. Patients should be evaluated for underlying medical illness that might contribute to psychiatric symptoms, especially if onset of behavioral change is rapid. According to clinical observation, HD patients with psychiatric symptoms respond to standard pharmacotherapy. Controlled studies are needed to determine the true efficacy of these agents for use in treating people with HD.
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