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  3. Peroxisome biogenesis disorder-Zellweger syndrome spectrum
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Peroxisome biogenesis disorder-Zellweger syndrome spectrum


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Other Names:
Zellweger syndrome spectrum; Peroxisomal biogenesis disorders, Zellweger syndrome spectrum; PBD, ZSS; Zellweger syndrome spectrum; Peroxisomal biogenesis disorders, Zellweger syndrome spectrum; PBD, ZSS; Zellweger spectrum disorders; PBD-ZSD; PBD-ZSS; Peroxisome biogenesis disorder; Peroxisome biogenesis disorder spectrum; PBD-Zellweger spectrum disorder; Zellweger spectrum See More
Subtypes:
Neonatal adrenoleukodystrophy; Refsum disease, infantile form; Zellweger syndrome
This disease is grouped under:
Leukodystrophy; Peroxisomal biogenesis disorders ; Peroxisome disorders

Summary Summary


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Zellweger spectrum refers to a group of related conditions that have overlapping signs and symptoms and affect many parts of the body. The spectrum includes Zellweger syndrome (ZS), the most severe form; neonatal adrenoleukodystrophy (NALD), an intermediate form; and infantile Refsum disease (IRD), the least severe form.[1] Signs and symptoms of ZS typically become apparent in the newborn period and may include hypotonia, feeding problems, hearing and vision loss, seizures, distinctive facial characteristics, and skeletal abnormalities. Individuals with ZS often do not survive past the first year of life.[1] The features of NALD and IRD often vary in nature and severity, and may not become apparent until late infancy or early childhood. Individuals with NALD or IRD may have hypotonia, vision and/or hearing problems, liver dysfunction, developmental delay and learning disabilities. Most individuals with NALD survive into childhood, and those with IRD may reach adulthood.[1] Conditions in the Zellweger spectrum are caused by mutations in any of at least 12 genes and are inherited in an autosomal recessive manner. Treatment typically focuses on the specific signs and symptoms present in each individual.[2]
Last updated: 10/16/2017

Diagnosis Diagnosis


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Making a diagnosis for a genetic or rare disease can often be challenging. Healthcare professionals typically look at a person’s medical history, symptoms, physical exam, and laboratory test results in order to make a diagnosis. The following resources provide information relating to diagnosis and testing for this condition. If you have questions about getting a diagnosis, you should contact a healthcare professional.

Testing Resources

  • The Genetic Testing Registry (GTR) provides information about the genetic tests for this condition. The intended audience for the GTR is health care providers and researchers. Patients and consumers with specific questions about a genetic test should contact a health care provider or a genetics professional.
Do you have updated information on this disease? We want to hear from you.

Treatment Treatment


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FDA-Approved Treatments

The medication(s) listed below have been approved by the Food and Drug Administration (FDA) as orphan products for treatment of this condition. Learn more orphan products.

  • cholic acid (Brand name: Cholbam) - Manufactured by Asklepion Pharmaceuticals, LLC
    FDA-approved indication: Treatment of bile acid synthesis disorders due to single enzyme defects and as adjunctive treatment of peroxisomal disorders including Zellweger spectrum disorders in patients who exhibit manifestations of liver disease, steatorrhea or complications from decreased fat soluble vitamin absorption.
    National Library of Medicine Drug Information Portal

Organizations Organizations


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Support and advocacy groups can help you connect with other patients and families, and they can provide valuable services. Many develop patient-centered information and are the driving force behind research for better treatments and possible cures. They can direct you to research, resources, and services. Many organizations also have experts who serve as medical advisors or provide lists of doctors/clinics. Visit the group’s website or contact them to learn about the services they offer. Inclusion on this list is not an endorsement by GARD.

Organizations Supporting this Disease

  • Global Foundation for Peroxisomal Disorders
    5147 South Harvard Avenue
    Suite 181
    Tulsa, OK 74135
    Telephone: 347-470-4373
    Fax: 918-516-0227
    E-mail: contactus@thegfpd.org
    Website: http://www.thegfpd.org
  • PBD Canada
    Canada
    E-mail: http://www.pbdcanada.org/contact.html
    Website: http://www.pbdcanada.org/
  • Zellweger Baby Support Network
    Website: http://zbsn.org/

Organizations Providing General Support

  • Alex The Leukodystrophy Charity (Alex TLC)
    45 Peckham High Street
    London, SE15 5EB United Kingdom
    Telephone: 020 7701 4388
    E-mail: info@alextlc.org
    Website: https://www.alextlc.org
Do you know of an organization? We want to hear from you.

Learn More Learn More


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These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.

Where to Start

  • Genetics Home Reference contains information on Peroxisome biogenesis disorder-Zellweger syndrome spectrum. This website is maintained by the National Library of Medicine.

In-Depth Information

  • GeneReviews provides current, expert-authored, peer-reviewed, full-text articles describing the application of genetic testing to the diagnosis, management, and genetic counseling of patients with specific inherited conditions.
  • Medscape Reference provides information on this topic. You may need to register to view the medical textbook, but registration is free.
  • The Monarch Initiative brings together data about this condition from humans and other species to help physicians and biomedical researchers. Monarch’s tools are designed to make it easier to compare the signs and symptoms (phenotypes) of different diseases and discover common features. This initiative is a collaboration between several academic institutions across the world and is funded by the National Institutes of Health. Visit the website to explore the biology of this condition.
  • Orphanet is a European reference portal for information on rare diseases and orphan drugs. Access to this database is free of charge.

News & Events News & Events


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News

  • Rare Disease Day at NIH 2021
    March 1, 2021

GARD Answers GARD Answers


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Questions sent to GARD may be posted here if the information could be helpful to others. We remove all identifying information when posting a question to protect your privacy. If you do not want your question posted, please let us know.

Have a question? Contact a GARD Information Specialist.

References References


  1. Zellweger spectrum. Genetics Home Reference. October 2017; http://ghr.nlm.nih.gov/condition/zellweger-spectrum. Accessed 10/16/2017.
  2. Steven J Steinberg, Gerald V Raymond, Nancy E Braverman and Ann B Moser. Peroxisome Biogenesis Disorders, Zellweger Syndrome Spectrum. GeneReveiws. May 10, 2012; http://www.ncbi.nlm.nih.gov/books/NBK1448/.
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