In this online, self-learning activity:
Pompe disease (PD) is a progressive, often fatal, autosomal recessive, neuromuscular disorder caused by mutations of the α-glucosidase gene on chromosome 17. PD is characterized by glycogen accumulation in skeletal, cardiac and smooth muscles due to a deficiency in α-glucosidase (GAA), an important lysosomal enzyme responsible for glycogen catabolism. PD is categorized into three groups based on symptoms and age of onset. The classic infantile form presents in the first year of life, usually in the first two months, with hypertrophic cardiomyopathy. The non-classic infantile form presents later in the first year of life, without or with less severe cardiomyopathy. The late onset form of PD presents any time after one year of life, usually without cardiac complications.
PD is rare, with one study estimating the incidence in the U.S. to be 1 in 22,000 births. The biggest risk factor for the disease is genetics; at conception, each sibling of an affected individual has a 25% chance of being affected, a 50% chance of being an asymptomatic carrier, and a 25% chance of being not a carrier. Nonspecific diagnostic findings for PD may include abnormal EMG, elevated serum creatine kinase, elevated transaminases and elevated lactate dehydrogenase. A definitive diagnosis for PD involves a dried blood spot test to determine GAA enzyme activity level; reduced GAA activity (less than 40% of normal) is indicative of a positive diagnosis. A gene mutation analysis, or another GAA enzyme test using a different area of tissue, is recommended to confirm the diagnosis. The disease is not uncommonly undiagnosed or is misdiagnosed, representing one practice gap that continued HCP education may address, particularly given that earlier treatment may minimize rapid and irreversible disease progression.
The following HCPs: adult and pediatric neurologists, internists, and cardiologists; physician assistants and nurse practitioners in those areas of specialty; pharmacists who practice in specialty pharmacies that treat patients with rare diseases; and any other HCPs with an interest in or who may clinically encounter patients with PD.
Commercial Support Disclosure: This program is supported by an educational grant from Spark Therapeutics.
This activity is free of charge.
Release Date: April 29, 2022 -- Expiration Date: April 29, 2024
Faculty: Virginia Kimonis, M.D., MRCP
Introduction, Disclosures |
Epidemiology of and risk factors for PD
Symptomology and diagnosis of PD
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Treatment in patients with PD
· Infantile-onset: ERT · Glc(4) measurement · Cross-reactive immunologic material status and anti-GAA antibodies · Immune tolerance induction · Late-onset
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Summary, conclusions, and best practice recap |
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ACCME Activity #202290041
ACCREDITATION FOR THIS COURSE HAS EXPIRED. YOU MAY VIEW THE PROGRAM, BUT CME / CE IS NO LONGER AVAILABLE AND NO CERTIFICATE WILL BE ISSUED.As a provider of continuing medical education, it is the policy of ScientiaCME to ensure balance, independence, objectivity, and scientific rigor in all of its educational activities. In accordance with this policy, faculty and educational planners must disclose any significant relationships with commercial interests whose products or devices may be mentioned in faculty presentations, and any relationships with the commercial supporter of the activity. The intent of this disclosure is to provide the intended audience with information on which they can make their own judgments. Additionally, in the event a conflict of interest (COI) does exist, it is the policy of ScientiaCME to ensure that the COI is resolved in order to ensure the integrity of the CME activity. For this CME activity, any COI has been resolved thru content review by ScientiaCME.
Faculty Disclosure:
Virginia E. Kimonis, MD, MRCP, Professor, Dept. of Pediatrics, Division of Genetics and Genomic Medicine, Univ. of California, Irvine, has has no relevant financial disclosures.
Disclosures of Educational Planners: Charles Turck, PharmD, BCPS, BCCCP, President of ScientiaCME, has no relevant financial disclosures.
Faculty will not discuss off-label uses.
All relevant financial relationships have been mitigated.
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Commercial Support Disclosure: This program is supported by an educational grant from Spark Therapeutics.
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