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Genetic and Rare Diseases Information Center (GARD)


Other names people use for this condition
  • Pompe disease
  • Acid maltase deficiency disease
  • Aglucosidase alfa
  • Alpha-1,4-glucosidase deficiency
  • Cardiomegalia glycogenica diffusa
  • Deficiency of alpha-glucosidase
  • GSD II
  • Deficiency of lysosomal alpha-glucosidase
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Home > Genetic & Rare Diseases Information Center (GARD) > Glycogen storage disease type 2



Glycogen storage disease type 2
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Glycogen storage disease type 2, also known as Pompe disease and acid maltase deficiency disease, is an inherited metabolic disorder caused by an inborn lack of the enzyme alpha-1,4 glucosidase (lysosomal glucosidase; acid maltase), which is necessary to break down glycogen, a substance that is a source of energy for the body. This enzyme deficiency causes excess amounts of glycogen to accumulate in the lysosomes, which are structures within cells that break down waste products within the cell.[1] This accumulation of glycogen in certain tissues, especially muscles, impairs their ability to function normally.[2] Glycogen storage disease type 2 is a single disease continuum with variable rates of disease progression. In 2006, the U.S. Food and Drug Administration (FDA) approved the enzyme replacement therapy Myozyme as a treatment for all patients with glycogen storage disease type 2.[1]
 


References
  1. Pompe Disease. National Organization for Rare Disorders (NORD). 2007 Available at: http://www.rarediseases.org/search/rdbdetail_abstract.html?disname=Pompe%20Disease. Accessed December 24, 2008.
  2. Pompe disease. Genetics Home Reference (GHR). October 2006 Available at: http://ghr.nlm.nih.gov/condition=pompedisease. Accessed December 24, 2008.
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Questions & Answers (Found 1 Question)
A list of questions from the public on rare and/or genetic diseases that have been answered by the Genetic and Rare Disease Information Center. Click on each question to find the answer.
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For more information about Glycogen storage disease type 2 click on the boxes below:
More Detailed Information Organizations Medical Products Services Scientific Conferences Clinical Trials & Research
 General | Management Guidelines | Selected Full-Text Journal Articles | Press Releases | Insurance Issues
More Detailed Information (Found 15 resources)
Links where you can find more general information, comprehensive resources, selected full text journal articles, and news updates.

  • General

    • The American Society of Gene & Cell Therapy provides information on the treatment of lysosomal storage diseases.
    • Genetics Home Reference (GHR) contains information on Glycogen storage disease type 2. Click on the link to go to GHR and review the information.
    • The Association for Glycogen Storage Disease has an information page on glycogen storage disease type 2. Click on the link above to view this information page.
    • Medscape Reference provides information on this topic. Click on the link to view this information. You may need to register to view the medical textbook, but registration is free.
    • The National Institute of Neurological Disorders and Stroke (NINDS) collects and disseminates research information related to neurological disorders. Click on the link to view information on this topic.
    • The National Organization for Rare Disorders (NORD) is a federation of more than 130 nonprofit voluntary health organizations serving people with rare disorders. Click on the link to view information on this topic.
    • The Online Mendelian Inheritance in Man (OMIM) database contains genetics resources that discuss Glycogen storage disease type 2. Click on the link to go to OMIM and review these resources.
    • Orphanet is a database dedicated to information on rare diseases and orphan drugs.  Access to this database is free of charge.  Click on the link to read information on this topic.
    • PubMed is a searchable database of medical literature and lists journal articles that discuss Glycogen storage disease type 2. Click on the link to view a sample search on this topic.
  • Management Guidelines

    • The American College of Medical Genetics (ACMG) provides education, resources, and a voice for the medical genetics profession.  To make genetic services available to and improve the health of the public, the ACMG promotes the development and implementation of methods to diagnose, treat and prevent genetic diseases. In an effort to fulfill its mission, the ACMG performs many tasks, including developing clinical practice guidelines.  In May 2006, the ACMG Work Group on Management of Pompe Disease released a ACMG Practice Guideline titled "Pompe disease diagnosis and management guideline." To view this practice guideline, visit the link above.
    • 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. Click on the link to view the article on this topic.
  • Selected Full-Text Journal Articles

  • Press Releases

    • The U.S. Food and Drug Administration (FDA) provides information about an FDA-approved treatment for Pompe disease called Myozyme through a 2006 Press Release. To view this information, click on the above link.
  • Insurance Issues

 Disease-Specific Organizations | Umbrella Organizations | Social Networking Websites
Organizations (Found 11 resources)
Groups providing a wide range of services, supportive resources, and information.

  • Disease-Specific Organizations

  • Umbrella Organizations

  • Social Networking Websites

    • DNAandU.org is a Web site and blog that collects firsthand stories from people facing issues, making tough decisions, and using genomic (DNA) information in their own healthcare.  Click on the link to learn from their experiences and/or submit your own story.

    • Madisons Foundation
      P.O. Box 241956
      Los Angeles, CA 90024
      Telephone: 310-264-0826
      Fax: 310-264-4766
      E-mail: getinfo@madisonsfoundation.org  
      Web site: http://www.madisonsfoundation.org/  
    • The National Organization of Rare Disorders (NORD) has partnered with Inspire.com to launch an online community for people with rare diseases called The NORD Rare Disease Community. This community connects medical patients, family members, caregivers, and professionals. Click on The NORD Rare Disease Community to learn more.
    • RareShare is an online social hub dedicated to patients, families and healthcare professionals affected by rare medical disorders. Click on RareShare to learn more.
 
Medical Products (Found 1 resource)
 Testing | Genetic Services | Parent Resources
Services (Found 5 resources)
Links to Web sites that offer services, such as tools to locate specialists, specialty clinics, genetic services, and genetic testing laboratories.

    • Many individuals want to know about healthcare professionals or researchers who have knowledge of their conditions. When a condition is rare, it can be difficult to find someone who has seen many cases. Although there is no list of experts in rare diseases, GARD's How to Find an Expert fact sheet provides several ways to identify healthcare professionals who have experience with a particular condition. Click on the link to access this resource and learn more.

  • Testing

    • GeneTests lists laboratories offering clinical genetic testing for this condition. Clinical genetic tests are ordered to help diagnose a person or family and to aid in decisions regarding medical care or reproductive issues. Talk to your health care provider or a genetic professional to learn more about your testing options.
    • 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.
  • Genetic Services

    • You may wish to discuss your concerns with a genetics professional. The following online resources can help you find a genetics professional in your community:  

  • Parent Resources

    • The Parent Technical Assistance Center Network provides a list of the Parent Training and Information Centers in each state. These centers are funded by the United States Department of Education to provide early intervention and special education information and training to parents of children with disabilities from birth to age 26. Click on the link to find the Parent Center in your state.
 Upcoming Conferences | Past Conferences
Scientific Conferences (Found 7 resources)
Resources where you can find information on completed and upcoming scientific conferences and programs.

  • Upcoming Conferences

    • RDCRN 3rd Conference on Clinical Research for Rare Diseases, October 2, 2012
      Location: Hilton Washington DC/Rockville Hotel & Executive Meeting Center, Rockville, MD
      Description: Clinical research in rare diseases presents a number of challenges and unique issues that are not usually considered in the training of clinical investigators through existing training programs. Goals of the conference include: Direct instruction of trainees and new investigators in rare disease research methodology; Development of a reusable curriculum/syllabus on rare disease research methodology; Stimulation of ideas regarding the unique issues facing investigators engaged in the study of rare diseases
  • Past Conferences

    • Translational Neuromuscular Research, Diverse Diseases, Convergent Themes, September 19, 2011 - September 21, 2011
      Location: Beaver Hollow Conference Center, Java Center, NY
      Description: The infrastructure for this conference was developed by the MSG, whose investigators have worked for the past 10 years to secure extramural funding and to develop outcome measures for clinical research/experimental muscle and other neuromuscular diseases. The goal of this conference is to help identify commonalities across therapy development in neuromuscular disease to help ensure that lessons learned in any one disease are disseminated across the neuromuscular community.
    • 2011 Lysosomal Disease Gordon Research Conference, January 23, 2011 - January 28, 2011
      Location: Hotel Galvez, Galveston, TX
      Description: This Gordon Research Conference had sessions on topics ranging from the basic science of lysosomal biology and function (but with strong emphasis on pathogenic mechanisms of lysosomal disease), relationships of lysosomal diseases to other neurological diseases, pathogenic cascades, biomarkers, recent advances in therapy, and clinical trials and design. In addition, there was a hot topics session (with speakers chosen close to the time of the meeting so as to include the most recent developments) and a poster session (nine short talks chosen at the meeting on the basis of the posters that generated the most interest during the afternoon poster sessions). In addition, a number of short talks were chosen prior to the meeting based on abstract submissions.
    • VI International Conference on Rare Diseases and Orphan Drugs (ICORD 2010): Global Approach to Accessibility in Rare Diseases, Orphan Drugs and Neglected Diseases , March 18, 2010 - March 20, 2010
      Location: Palais Rouge Convention Center, Palermo, Buenos Aires
      Description: For the first time, the VI International Conference on Rare Diseases and Orphan Drugs (ICORD 2010) was convened in the southern hemisphere in agreement with its aim of globalization of rare diseases research and orphan products development activities.
    • WORLD Symposium 2010 (Lysosomal Disease Network's 6th Annual Research Meeting), February 10, 2010 - February 12, 2010
      Location: Miami Hilton Downtown, Miami, Florida
      Description: The specific aims of this meeting were to (1) emphasize the strategies for, and identify the obstacles to, moving from translational research to clinical trials; (2) coalesce members of the LD network into functional research collaborations and present to the LDN community progress on the specific projects that are part of the funded U54 RDCRN grant; (3) foster interdisciplinary collaboration with the overall goal of improving knowledge of basic discoveries and clinical manifestations of these diseases; (4) provide an educational forum for young investigators, clinicians, and researchers in the field; (5) identify and discuss the latest findings in the natural history of lysosomal diseases, diagnostic testing and screening, and treatment, with specific focus on (a) inflammatory components of lysosomal diseases and autophagy, especially in the central nervous system, (b) new treatments of the central nervous systems, and (c) ethics and efficacy in treating the presymptomatic or asymptomatic patient; and (6) identify areas requiring additional basic and clinical research and public policy and regulatory attention, such as ethics and economics, and factors that impact implementation of therapy, including newborn screening.
    • Research Challenges in CNS Manifestations of Inborn Errors of Metabolism Workshop, December 7, 2009 - December 9, 2009
      Location: Bethesda North Marriott, Bethesda, Maryland
      Description: Jointly sponsored by the National Institute of Health's Office Rare Diseases Research, the National Institute of Neurological Disorders and Stroke, and the Food and Drug Administration's Center for Drug Evaluation and Research, Division of Gastroenterology Products, the goal of this workshop is to bring together those involved in research and investigational treatments for central nervous system aspects of inborn errors of metabolism, and to discuss ways to translate these therapies to clinical trials and beyond.
    • Society for Inherited Metabolic Disorders Annual Meeting, August 29, 2009 - September 2, 2009
      Location: Manchester Grand Hyatt, San Diego, CA
      Description: The rarity, uniqueness, variability, and the need for an individual approach to treatment make inborn errors of metabolism a very complicated subspecialty. As such, most geneticists do not know these disorders well and only very specialized metabolic centers deal with them. For the United States to remain preeminent in both clinical and research aspects of inborn errors of metabolism, it is critical that young physicians and scientists be attracted to and remain in this important field.
 
Clinical Trials & Research (Found 4 resources)
Resources where you may find research studies and clinical trials.

    • ClinicalTrials.gov lists trials that are studying or have studied Glycogen storage disease type 2. Click on the link to go to ClinicalTrials.gov to read descriptions of these studies.
    • NIH Clinical Trials and You is a website developed by the National Institutes of Health (NIH) to help people learn more about clinical trials, why they matter, and how to participate.
  • Patient Registry

    • The Lysosomal Disease Network is a team of doctors, nurses, research coordinators, and research labs throughout the U.S., working together to improve the lives of people with this condition through research. The Lysosomal Disease Network has a registry for patients who wish to be contacted about clinical research opportunities.

      For more information on the registry see: http://rarediseasesnetwork.epi.usf.edu/registry/index.htm
    • ResearchMatch is a free national research registry designed to bring together patients, healthy volunteers and researchers. Anyone from the United States can register with ResearchMatch, and a parent, legal guardian, or caretaker may register on behalf of a volunteer. Researchers from participating institutions use the ResearchMatch database to search for patients or healthy volunteers who meet the study criteria. Many studies are looking for healthy people of all ages, while some are looking for people with specific illnesses. ResearchMatch was developed by major academic institutions across the country and is funded by the National Center for Research Resources (NCRR), a center of the National Institutes of Health (NIH), the primary Federal agency for conducting and supporting medical research. Click on the link to learn more about ResearchMatch.

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