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Active clinical trials for "Glycogen Storage Disease"

Results 81-90 of 96

Prospective Follow-up of Patients With Glycogen Storage Disease Type III

Neuromuscular Disorders

The aim of this study is to improve knowledge of natural history and methods of monitoring the evolution of Glycogen storage disease type III regarding the muscle and to study the prospective approach of large series of patients, and using the same protocol for the follow up of the children and adults.

Unknown status5 enrollment criteria

A Prospective, Observational Study in Patients With Late-Onset Pompe Disease

Glycogen Storage Disease Type II

Pompe disease (also known as glycogen storage disease type II, "GSD-II") is caused by a deficiency of a critical enzyme in the body called acid alpha-glucosidase (GAA). Normally, GAA is used by the body's cells to break down glycogen (a stored form of sugar) within specialized structures called lysosomes. In patients with Pompe disease, an excessive amount of glycogen accumulates and is stored in various tissues, especially heart and skeletal muscle, which prevents their normal function. This study is being conducted to collect prospective, observational data on patients with late-onset Pompe disease. Approximately 60 subjects with late-onset Pompe disease will be enrolled.

Completed16 enrollment criteria

Sleep and Quality of Life in Patients With Glycogen Storage Disease on Standard Versus Modified...

Glycogen Storage Disease Type IAGlycogen Storage Disease Type IB2 more

The aim of the present study is to determine if there is a change in quality and quantity of sleep perceived by adults and children with GSD and their parents while starting a modified UCCS (Glycosade) to prevent nocturnal hypoglycemia. The investigators also aim to evaluate if there is a change in quality of life perceived by adults and children and their parents with Glycosade.

Completed7 enrollment criteria

MRI in McArdle Disease (GSDV)

Glycogen Storage Disease Type V

The aim of this study is to describe the degree of muscle wasting in patients with McArdle disease judged by MRI, quantitative magnetic resonance (DIXON) and T1 weighted images, and muscle strength, collected across multiple European sites and compared to healthy controls.

Completed2 enrollment criteria

Study About the Evolution of Severe Late Onset Pompe Disease Patient With Pulmonary Dysfunction...

Pompe Disease (Late-Onset)Glycogen Storage Disease Type II (GSD II)1 more

To describe severe late onset patients with pompe disease receiving Myozyme®

Completed8 enrollment criteria

Genetic and Family Studies of Inherited Muscle Diseases

DermatomyositisGlycogen Storage Disease Type II3 more

The purposes of this study are to identify gene mutations in patients with the muscle diseases phosphofructokinase (PFK) deficiency, acid maltase deficiency (GAA deficiency) and to learn more about how these diseases develop. PFK deficiency is a mild, exercise-related illness. The childhood form of GAA deficiency (Pompe disease) affects the heart and liver and is rapidly fatal. The adult form begins in midlife and involves degeneration of skeletal muscles, leading to weakness and muscle wasting. The following groups of individuals may be eligible for this study: Group A: Patients with PFK deficiency, acid maltase deficiency, and relatives who also are affected. Participants in this group will undergo a brief medical and family history, blood sample collection, and possibly a physical examination, review of medical records, and interview with the patient's physician. Group B: Unaffected family members of patients in group A, including both blood relatives and spouses. People in this group may be asked to provide a history and genetic information. A review of medical records, interview with the individual's physician, and blood sample may also be requested. Group C: Control subjects. This group will provide a small blood sample or buccal mucosal sample (tissue sample collected by brushing the inside of the cheek). The samples will be coded and the investigators will not know the participants' identities. DNA from these samples will be analyzed for frequency of gene mutations. Genetic counseling will be arranged for patients, as appropriate.

Completed3 enrollment criteria

Identification of Tongue Involvement in Late-Onset Pompe Disease

MyopathyNeuropathy1 more

This purpose of this study is to determine if tongue strength and tongue ultrasound measurements differentiates patients with untreated late-onset Pompe Disease (LOPD) from patients with acquires/hereditary myopathies or neuropathies. It is hypothesized that abnormalities in tongue function and structure in patients with LOPD may be useful in discriminating this condition from others that have similar presentations.

Completed7 enrollment criteria

Study of the Relationship Between Glycogen Storage Disease Type Ia and Inflammatory Bowel Disease...

Inflammatory Bowel DiseaseGlycogen Storage Disease Type Ia

The purpose of this research study is to understand the relationship between inflammatory bowel disease (IBD) and Glycogen storage disease (GSD)type Ia. GSD type Ib has been established to have an association with IBD with clinical and histologic features that mirror those of Crohn disease. Development of the disease seems to be related to the defect of neutrophil function in individuals with GSD type Ib and subsequent colonic inflammation. In the last decade, it has become a standard for patients with GSD type Ib and gastrointestinal symptoms to be evaluated for IBD. Patients with GSD type Ia were not recognized to have similar gastrointestinal symptoms until recently. The prevalence of IBD is greater in patients with GSD type Ia versus the general population.

Completed2 enrollment criteria

Compassionate Use of Triheptanoin (C7) for Inherited Disorders of Energy Metabolism

Very Long-chain acylCoA Dehydrogenase (VLCAD) DeficiencyCarnitine Palmitoyltransferase Deficiencies (CPT19 more

This is a compassionate use study to allow patients already taking triheptanoin (C7) through previous studies to continue to receive the supplement. It will also allow triheptanoin supplementation in patients with qualifying disorders if they are failing conventional therapy.

No longer available7 enrollment criteria

Study of Glycogen Storage Disease and Associated Disorders

Glycogen Storage Disease

Glycogen, is the storage form of glucose. It is usually formed from sugar and stored in the liver. When tissues, such as muscle, need glucose for fuel the stored glycogen is converted into glucose with the help of enzymes produced in the body. Glycogen storage disease (GSD) refers to a group of conditions characterized by abnormal storage of glycogen due to the absence of particular enzymes needed in the process of storing and using glycogen. This study addresses the related metabolic abnormalities of glycogen storage disease (GSD). As patients with disorders of glycogen metabolism are followed it becomes apparent that the condition is much more complex than initially thought. Researchers believe that patients suffering from glycogen storage disorders should be followed and monitored for other heritable metabolic disorders. This study will attempt to determine the frequency of associated disorders in patients with GSD. In addition, the study will look at the current management of these patients to see if the prognosis and course of the disease is changed.

Completed1 enrollment criteria
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