Question 1

What is Perry syndrome?

Accepted Answer

Perry syndrome is a rare inherited neurodegenerative disorder that typically appears early in life. It is known for its rapid progression and shares similarities with Parkinson’s disease, including problems with movement (parkinsonism). In addition to movement difficulties, people with this condition may experience breathing issues due to central hypoventilation.

Other common features of Perry syndrome include significant weight loss, problems with sleep such as insomnia, and feelings of depression. These combined symptoms have led to its alternative name, Parkinsonism with alveolar hypoventilation and mental depression. The condition is associated with changes in a gene called DCTN1, which plays an important role in the function of nerve cells.

Question 2

What are the symptoms of Perry syndrome?

Accepted Answer

The main symptoms seen in Perry syndrome include rapid onset and progression of parkinsonism, which may involve tremors, stiffness, and difficulties with balance. People with this condition can also experience central hypoventilation—meaning their breathing may be slower or less effective—along with weight loss, trouble sleeping, and depression.

Question 3

What causes Perry syndrome?

Accepted Answer

Perry syndrome is an inherited condition, meaning it is passed down through families. The disorder is linked to changes in the DCTN1 gene. These genetic changes affect the normal function of nerve cells, which may contribute to the development of the symptoms observed in this condition. Associated genes include DCTN1.

Question 4

How is Perry syndrome inherited?

Accepted Answer

Perry syndrome follows an autosomal dominant inheritance pattern. This means inheriting just one copy of the altered gene from either parent can cause the condition.

Question 5

How rare is Perry syndrome?

Accepted Answer

Perry syndrome is classified as very rare. The estimated prevalence is approximately <1 in 1,000,000. Because rare disease data can be limited, actual numbers may differ from published estimates.

Question 6

How is Perry syndrome diagnosed?

Accepted Answer

Information about diagnosis is currently limited for this condition.

Question 7

Are there treatments for Perry syndrome?

Accepted Answer

Information about treatment is currently limited for this condition.

Question 8

What complications can arise from Perry syndrome?

Accepted Answer

Perry syndrome can lead to several complications due to its symptoms. For example, the breathing issues caused by central hypoventilation can be serious and may require medical attention. Additionally, the rapid progression of movement difficulties can increase the risk of falls and injuries. Weight loss and sleep problems can also affect overall health and well-being.

Question 9

How does Perry syndrome affect daily life?

Accepted Answer

Living with Perry syndrome can be challenging due to its symptoms. People may have trouble with movement, making everyday tasks harder. Sleep issues and feelings of depression can also impact daily activities and overall quality of life. Support from family, friends, and healthcare providers can be very helpful in managing these challenges.

Question 10

What is the life expectancy for someone with Perry syndrome?

Accepted Answer

Currently, there is limited information about the life expectancy for individuals with Perry syndrome. The condition is known for its rapid progression, which can affect overall health. However, each person's experience can vary, and ongoing medical care may help manage symptoms and improve quality of life.

Question 11

What specific symptoms should I watch for in Perry syndrome?

Accepted Answer

In Perry syndrome, you should watch for symptoms like rapid onset of movement difficulties, which can include tremors, stiffness, and balance problems. Additionally, breathing issues due to central hypoventilation, significant weight loss, trouble sleeping, and feelings of depression are important to recognize. Noticing these symptoms early can help in seeking appropriate care.

Research Type	Count	% of Total
Patient case studies	3	30%

Phenotype	Gene	Disorder	MOI	Comment
DNAJC6	PARK-DNAJC6(OMIM 615528)	AR	Findings of personality changes, weight loss, hypoventilation in Perry syndrome tend to distinguish it from other forms of early-onset PD. Also, response to standard doses of levodopa is usually poorer or of shorter duration in Perry syndrome than in other forms of early-onset PD.	—
FBXO7	PARK-FBXO7(OMIM 260300)	AR LRRK2	PARK-LRRK2	—
AD PARK7(DJ-1)	PARK-DJ1(OMIM 606324)	AR PINK1	PARK-PINK1	AR PRKN
SYNJ1	PARK-SYNJ1(OMIM 615530)	AR	—	—
VPS13C	PARK-VPS13C(OMIM 616840)	AR Frontotemporal dementia	C9orf72	—
C9orf72-FTD/ALS	AD	DCTN1-related FTD other causes of FTD may share mood/ personality changes, similar age of onset, levodopa-resistant parkinsonism. Weight loss, breathing disturbances, muscle atrophy, dysautonomia suggest DCTN1-related disorder. GRN	GRN-FTD	AD MAPT1
MAPT	Progressive supranuclear palsy 1 (See MAPT-FTD.)	AD	MAPT- DCTN1-related PSP may share features of bvFTD. Weight loss, breathing disturbances, muscle atrophy, dysautonomia suggest DCTN1-related disorder.	—

Kisho

Perry syndrome

Overview

Clinical Presentation

Genetic Landscape

Diagnosis

Diagnostic Criteria

Suggestive Findings

Treatment

Management Guidelines

Prognosis

Surveillance Guidelines

Research Landscape

Medical References

External Resources

OMIM

Orphanet

GARD

Questions for Your Care Team

Questions for Your Care Team

FAQ

Frequently Asked Questions

Clinical Guidance

Perry Syndrome

Explore clinical features

Clinical Guidance

Penetrance

Differential Diagnosis

Clinical Guidance

Therapies Under Investigation

Clinical Trials

Recent Publications

Perry syndrome

Overview

Clinical Presentation

Genetic Landscape

Diagnosis

Diagnostic Criteria

Suggestive Findings

Treatment

Management Guidelines

Prognosis

Surveillance Guidelines

Research Landscape

Medical References

External Resources

OMIM

Orphanet

GARD

Related Diseases

Questions for Your Care Team

Questions for Your Care Team

FAQ

Frequently Asked Questions

What is Perry syndrome?

What are the symptoms of Perry syndrome?

What causes Perry syndrome?

How is Perry syndrome inherited?

How rare is Perry syndrome?

How is Perry syndrome diagnosed?

Are there treatments for Perry syndrome?

What complications can arise from Perry syndrome?

How does Perry syndrome affect daily life?

What is the life expectancy for someone with Perry syndrome?

What specific symptoms should I watch for in Perry syndrome?

Clinical Guidance

Perry Syndrome

Explore clinical features

Clinical Guidance

Penetrance

Differential Diagnosis

Clinical Guidance

Therapies Under Investigation

Clinical Trials

Recent Publications