Treatment Trials

40 Clinical Trials for Various Conditions

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COMPLETED
Identification of Tongue Involvement in Late-Onset Pompe Disease
Description

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.

COMPLETED
Screening Protocol to Evaluate Acid Alpha-Glucosidase (GAA) Activity and GAA Gene Mutations in Patients With Late Onset Pompe Disease
Description

Pompe disease (also known as glycogen storage disease type 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. The primary objective of this study is to identify potential candidates for future clinical studies in Pompe disease.

Conditions
COMPLETED
Exploratory Muscle Biopsy Assessment Study in Patients With Late-Onset Pompe Disease Treated With Alglucosidase Alfa
Description

This is an open-label, multicenter study of participants with late-onset Pompe disease naive to treatment with enzyme replacement therapy (ERT). The primary objective of this study is to evaluate glycogen clearance in muscle tissue samples collected pre and post alglucosidase alfa treatment in participants with Late-Onset Pompe disease. The secondary objectives are to characterize the disease burden in participants with late-onset Pompe disease and explore imaging, histologic, and functional assessments in these participants and to explore potential plasma or urine biomarkers relative to late-onset Pompe disease and participant's response to treatment with alglucosidase alfa (Myozyme®/Lumizyme®/GZ419829).

COMPLETED
Extension Study of Long-term Safety and Efficacy of Myozyme for a Single Patient With Pompe Disease Who Were Previously Enrolled in Genzyme Sponsored ERT Studies.
Description

This extension study was to monitor the long-term safety and efficacy of rhGAA treatment in a single patient with infantile-onset Pompe disease who were previously treated with rhGAA in a Genzyme study.

COMPLETED
Late-Onset Treatment Study Extension Protocol
Description

Pompe disease (also known as glycogen storage disease Type 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. The objective of this extension study is to assess the long-term safety and efficacy of alglucosidase alfa treatment in patients with Late-Onset Pompe Disease who were previously treated under the placebo-controlled, double-blind study AGLU02704 (NCT00158600).

RECRUITING
Pompe Disease Registry Protocol
Description

The Pompe Registry is a global, multicenter, international, longitudinal, observational, and voluntary program for patients with Pompe disease, designed to track the disease's natural history and outcomes in patients, both treated and not. Data from the Registry are also used to fulfill various global regulatory commitments, to support product development/reimbursement, and for other research and non-research related purposes. The objectives of the Registry are: * To enhance understanding of the variability, progression, identification, and natural history of Pompe disease, with the ultimate goal of better guiding and assessing therapeutic intervention. * To assist the Pompe medical community with the development of recommendations for monitoring patients, and to provide reports on patient outcomes, to optimize patient care. * To characterize the Pompe disease population. * To evaluate the long-term effectiveness of alglucosidase alfa.

COMPLETED
A Placebo-Controlled Study of Safety and Effectiveness of Myozyme (Alglucosidase Alfa) in Patients With Late-Onset Pompe Disease
Description

Pompe disease (also known as glycogen storage disease Type 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. The overall objective is to evaluate the safety, efficacy, and pharmacokinetics (PK) of alglucosidase alfa treatment in patients with late-onset Pompe disease as compared to placebo.

COMPLETED
Extension Study of Patients With Infantile-Onset Pompe Disease Who Were Previously Enrolled in Protocol AGLU01602
Description

Pompe disease (also known as glycogen storage disease type 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. The overall objective of this study is to evaluate the long-term safety and efficacy of Myozyme treatment in patients with infantile-onset Pompe disease.

ACTIVE_NOT_RECRUITING
A Gene Transfer Study for Late-Onset Pompe Disease (RESOLUTE)
Description

The purpose of this study is to evaluate the safety, tolerability, and efficacy of a single intravenous infusion of SPK-3006 in adults with clinically moderate, late-onset Pompe disease receiving enzyme replacement therapy (ERT). Participants will be treated in sequential, dose-level cohorts.

ACTIVE_NOT_RECRUITING
Developing a Management Approach for Patients With "Late-Onset" Pompe Disease
Description

This is an observational study with no study related treatment of interventions. The purpose of the study is to investigate and document disease specific clinical symptoms in newborns, infants and children with Pompe disease without cardiomyopathy identified in newborn screening(NBS). There will be baseline, months 6 and months 12 visits for infants and newborns (infants study). For children of ages 24 months to 54 months, there will be baseline, year 1 and year 2 visits (children study). The study has four goals: 1. To study and record disease specific clinical symptoms in newborns, infants and children with Pompe disease without cardiomyopathy (disease of the heart muscle) in the first year of life identified through newborn screening (NBS) 2. To devise an approach to characterize early musculoskeletal (muscles and joints) involvement in subjects with the "late-onset" GAA variant identified by NBS including ability to collect research information via virtual health platforms. 3. To determine criteria to start preventative therapies including enzyme replacement therapy (ERT) in patients with clinical features of Pompe disease identified via NBS 4. To document parental coping and anxiety/emotional distress overtime using quality of life questionnaires after a child is diagnosed with late onset Pompe disease via NBS

COMPLETED
Neutralizing Antibody Seroprevalence Study With a Retrospective Component in Participants With Late-Onset Pompe Disease
Description

The purpose of this study is to obtain information pertaining to the occurrence of antibodies to investigational SPK-3006 capsid and GAA, GAA activity and GAA antigen levels in the usual care setting of Late-Onset Pompe Disease (LOPD) participants on an enzyme replacement regimen. Additionally, a careful evaluation of laboratory and functional testing in patients with LOPD may provide information to better understand the disease features and better drive the design of a future interventional investigational gene therapy trial. An understanding of the underlying status of liver and muscle health in individuals with LOPD may also inform best surveillance during the conduct of gene therapy trials.

COMPLETED
Pompe Lactation Sub-Registry
Description

The objective is to determine if alglucosidase alfa is present in breast milk from mothers with Pompe Disease being treated with alglucosidase alfa and to measure breast milk production and composition in women with Pompe Disease who receive alglucosidase alfa.

COMPLETED
Study to Compare the Efficacy and Safety of Enzyme Replacement Therapies Avalglucosidase Alfa and Alglucosidase Alfa Administered Every Other Week in Patients With Late-onset Pompe Disease Who Have Not Been Previously Treated for Pompe Disease
Description

Primary Objective: To determine the effect of avalglucosidase alfa treatment on respiratory muscle strength measured by percent (%) predicted forced vital capacity (FVC) in the upright position, as compared to alglucosidase alfa. Secondary Objective: To determine the safety and effect of avalglucosidase alfa treatment on functional endurance (6-minute walk test, inspiratory muscle strength (maximum inspiratory pressure), expiratory muscle strength (maximum expiratory pressure), lower extremity muscle strength (hand-held dynamometry), motor function (Quick Motor Function Test), and health-related quality of life (Short Form-12).

COMPLETED
Safety and Efficacy Evaluation of Repeat neoGAA Dosing in Late Onset Pompe Disease Patients.
Description

Primary Objective: To evaluate the safety and tolerability of neoGAA in treatment naïve and alglucosidase alfa treated late-onset Pompe disease patients. Secondary Objective: To evaluate the pharmacokinetics, pharmacodynamics of neoGAA in treatment naïve and alglucosidase alfa treated late-onset Pompe disease patients. To evaluate the effect of neoGAA on exploratory efficacy endpoints in treatment naïve and alglucosidase alfa treated late-onset Pompe disease patients.

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

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.

COMPLETED
Expanded Access Use of Myozyme (Alglucosidase Alfa) in Patients With Late-onset Pompe Disease
Description

Pompe disease (also known as glycogen storage disease Type 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. The objective of this protocol is to provide enzyme replacement therapy with alglucosidase alfa on an expanded access basis, to severely affected patients with late-onset Pompe disease for whom there is no alternative treatment and who do not meet the clinical characteristics described in the inclusion criteria for participation in other Genzyme Corporation-sponsored studies currently enrolling patients with late-onset Pompe disease.

TERMINATED
VAL-1221 Delivered Intravenously in Ambulatory and Ventilator-free Participants With Late-Onset Pompe Disease
Description

This Phase I/II open-label, randomized, dose-escalation study will assess the safety, tolerability, pharmacokinetics, pharmacodynamics, and preliminary efficacy of VAL-1221 versus Myozyme®/Lumizyme® in participants with late-onset glycogen storage disease-II (GSD-II) (Pompe disease)

Conditions
RECRUITING
A Study About Antibody Levels and Biomarkers in the Blood in People With Late-onset Pompe Disease
Description

Pompe disease is a genetic condition which causes muscle weakness over time. People with Pompe disease have a faulty gene that makes an enzyme called acid alpha-glucosidase (or GAA). This enzyme breaks down a type of sugar called glycogen. Without this enzyme, there is a build-up of glycogen in the cells of the body. This causes muscle weakness and other symptoms. Pompe disease can happen at any age, but in late-onset Pompe disease, symptoms generally start from 12 months old onwards. The standard treatment for people with Pompe disease is to receive regular infusions of the GAA enzyme. This is known as enzyme replacement therapy. However, people can build up antibodies against the GAA enzyme over time. Gene therapy is used to treat conditions caused by a faulty gene. It works by replacing the faulty gene with a working gene inside the cells of the body. The working gene is delivered into the cells using certain viruses as carriers (vectors). Viruses are often used as carriers as they can easily get inside cells. The genetic material of the original virus is replaced with the working gene, so only the working gene gets inside the cells. A common virus used as a carrier in gene therapy is the adeno-associated virus (or AAV). This is like an adenovirus, which causes the common cold. The original type of AAV does not cause any harm to humans. However, people that have previously been infected with the original type of AAV may have built up antibodies against AAV. These antibodies may stop the AAV carrier with the working gene getting inside the cells. Researchers want to learn more about antibody levels against AAV and the GAA enzyme in people with late-onset Pompe disease. They also want to learn about other substances in the blood that provide more information about late-onset Pompe disease. These are known as biomarkers. In this study, older teenagers and adults with late-onset Pompe disease will take part. They will not have had gene therapy using AAV. There will be 2 groups - those who have never had enzyme replacement therapy, and those who have had enzyme replacement therapy for 6 months or more. No study treatment will be given during the study, but blood and urine samples will be taken for testing. The main aims of the study are to check antibody levels against AAV8 (a type of AAV) in people with late-onset Pompe disease who had not received any treatment using AAV, to check antibody levels against the GAA enzyme in people previously treated with GAA as part of enzyme replacement therapy, to check levels of biomarkers for Pompe disease, and to check for medical problems. In the study, people will visit the study clinic several times. Some visits may be in the person's home. The first visit is to check if they can take part. Those who can take part will have a medical examination, and have their vital signs checked. Vital signs include blood pressure, heart rate, breathing rate and temperature. Blood samples will be taken to check antibody levels against the GAA enzyme and against AAV8. Blood and urine samples will also be taken to check for biomarkers for Pompe disease. Blood and urine samples will be taken about every 4 months for up to 2 years.

ACTIVE_NOT_RECRUITING
Gene Transfer Study in Patients With Late Onset Pompe Disease
Description

This is a phase 1/2 open-label, ascending dose, multicenter clinical study to evaluate the safety and efficacy of AT845 in adult (aged ≥ 18 years) subjects, ambulatory or nonambulatory, with Late Onset Pompe Disease (LOPD).

COMPLETED
A Study Comparing ATB200/AT2221 With Alglucosidase Alfa/Placebo in Adult Subjects With Late-onset Pompe Disease
Description

This is a phase 3 double-blind randomized study to study the efficacy and safety of intravenous ATB200 Co-administered with oral AT2221 in adult subjects with Late Onset Pompe Disease compared with Alglucosidase Alfa/placebo.

ACTIVE_NOT_RECRUITING
AAV2/8-LSPhGAA (ACTUS-101) in Late-Onset Pompe Disease
Description

Open-label, ascending dose trial of ACTUS-101 administered intravenously.

Conditions
COMPLETED
Dynamic Respiratory Muscle Function in Late-Onset Pompe Disease
Description

This study intends to evaluate dynamic respiratory motor performance as a valuable measure of pulmonary function in adults with late-onset Pompe disease. The investigators will adopt a strategy that includes comprehensive evaluations of respiratory volume, flow, and timing parameters during resting and loaded breathing. These evaluations will then be associated to the standard clinical measure of maximal inspiratory pressure, the static inspiratory muscle function, as well as magnetic resonance imaging of thoracic expansion and diaphragmatic descent at rest and with exertion. Outcomes in participants with late-onset Pompe disease will be contrasted to the function of age- and gender-matched control subjects. This approach will enable the investigators to evaluate the relationship between dynamic diaphragmatic function and respiratory motor function.

Conditions
COMPLETED
Re-administration of Intramuscular AAV9 in Patients With Late-Onset Pompe Disease
Description

A recombinant AAV vector has been generated to carry the codon-optimized acid alpha-glucosidase (coGAA) gene expressed from a human desmin enhancer/promoter (DES). The proposed clinical trial is a within-participant, double-blind, randomized, phase I controlled study evaluating the toxicology, biodistribution and potential activity of re-administration of rAAV9-DES-hGAA injected intramuscularly into the TA. Nine participants (18 to 50-years old) who reside within the United States with Late-Onset Pompe Disease (LOPD) will be included. The goal of the immune modulation strategy is to ablate B-cells (Rituximab and Sirolimus) prior to the initial exposure to the study agent in one leg and the subsequent exposure of the same vector to the contralateral leg after four months. At each study agent dosing, the contralateral leg will receive excipient. Patients will act as their own controls. Repeated measures, at baseline and during the following 3 months after each injection, will assess the safety, biochemical and functional impact of the vector.

Conditions
TERMINATED
A Study of Respiratory Muscle Strength in Patients With Late-onset Pompe Disease (LOPD)
Description

Study 701-201 is a study in patients with late-onset Pompe disease (LOPD). The study will test respiratory muscle strength initially and again after 24 weeks in subjects treated or not treated with BMN 701 .

COMPLETED
Safety and Efficacy of Clenbuterol in Individuals With Late-onset Pompe Disease and Receiving Enzyme Replacement Therapy
Description

Funding Source- FDA OOPD The purpose of this study is to investigate the safety and efficacy of clenbuterol on motor function in individuals with late-onset Pompe disease (LOPD) who are treated with enzyme replacement therapy (ERT).

Conditions
TERMINATED
BMN 701 Phase 3 in rhGAA Exposed Subjects With Late Onset Pompe Disease (INSPIRE Study)
Description

Study 701-301 is a single-arm, open-label, switchover study in patients with late-onset Pompe disease who have been receiving treatment with recombinant human acid alpha-glucosidase (rhGAA) for 48 weeks or longer. Ambulatory patients who have mild to moderate respiratory impairment will switch directly to receive BMN 701 20 mg/kg by IV infusion every other week. All participants will receive active drug. No dose of existing therapy will be missed - experimental drug is started immediately.

COMPLETED
Safety and Efficacy of Albuterol in Individuals With Late-onset Pompe Disease
Description

In this study the study team proposes to investigate the efficacy of albuterol on motor function of individuals with Late Onset Pompe Disease (LOPD) who are receiving enzyme replacement therapy, given albuterol was well-tolerated in patients with Late Onset Pompe Disease.

Conditions
COMPLETED
Albuterol in Individuals With Late Onset Pompe Disease (LOPD)
Description

Albuterol is a drug approved by the US Food and Drug Administration (FDA) for treating breathing problems such as asthma. Studies have shown that albuterol may be beneficial in improving muscle function in people with late-onset Pompe disease. The purpose of this study is to evaluate whether albuterol is safe and effective for improving muscle function in people with late-onset Pompe disease, whether or not they are receiving enzyme replacement therapy (ERT). For this study, albuterol is considered an investigational drug. The word "investigational" means albuterol is not approved by the FDA for individuals with late-onset Pompe disease.

Conditions
COMPLETED
Safety/Tolerability/Pharmacokinetic (PK)/Pharmacodynamics (PD) Study of BMN701 in Patients With Late-Onset Pompe Disease
Description

A Phase 1/2, open-label, multicenter, multiple dose escalation study of BMN 701 administered by intravenous infusion every 2 weeks over a 24-week treatment period to patients with late-onset Pompe disease.

Conditions
RECRUITING
Pompe Pregnancy Sub-Registry
Description

This Sub-registry is a multicenter, international, longitudinal, observational, and voluntary program designed to track pregnancy outcomes for any pregnant woman enrolled in the Pompe Registry, regardless of whether she is receiving disease-specific therapy (such as ERT with alglucosidase alfa or avalglucosidase alfa) and irrespective of the commercial product with which she may be treated. No experimental intervention is given; thus a patient will undergo clinical assessments and receive standard of care treatment as determined by the patient's physician. The primary objective of this Sub-registry is to track pregnancy outcomes, including complications and infant growth, in all women with Pompe disease during pregnancy, regardless of whether they receive disease-specific therapy, such as ERT with alglucosidase alfa or avalglucosidase alfa.