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Effect of sapropterin on variations of blood phenylalanine and tyrosine over 24 hours and from day to day in patients with phenylketonuria

Primary objective- To measure the effect of sapropterin on diurnal and day to day variations of blood phenylalanine concentrations.Secondary objective- To measure the effect of sapropterin on diurnal and day to day variations of blood tyrosine…

Using D-Galactose as a food supplement in Congenital Disorders of Glycosylation (CDG)

The goal of this study is to better characterize the metabolic alterations and sugar structure alterations (glycosylation abnormalities) in patients diagnosed with Congenital Disorders of Glycosylation.

An Open-Label Extension of Study HGT-SAN-055 Evaluating Long Term Safety and Clinical Outcomes of Intrathecal Administration of rhHNS in Patients with Sanfilippo Syndrome Type A (MPS IIIA)

The primary objectives of this study are: • To determine the longterm safety and tolerability of rhHNS administered via an intrathecal (IT) route once monthly for 8 years in patients with MPS IIIA, who have received and tolerated 6 months of…

A PHASE 4 PROSPECTIVE EXPLORATORY MUSCLE BIOPSY, BIOMARKER, AND IMAGING ASSESSMENT STUDY IN PATIENTS WITH LATE-ONSET POMPE DISEASE TREATED WITH ALGLUCOSIDASE ALFA.

Primary ObjectiveThe primary objective of this study is to evaluate glycogen clearance in muscle tissue samples collected pre and post alglucosidase alfa treatment in patients with late-onset Pompe disease.Secondary ObjectivesThe secondary…

A Phase I/II Safety, Tolerability, Ascending Dose and Dose Frequency Study of Recombinant Human Heparan-N-sulfatase (rhHNS) Intrathecal Administration via an Intrathecal Drug Delivery Device in Patients With Sanfilippo Syndrome Type A (MPS IIIA)

The primary objectives of this study is:* To determine the safety and tolerability of rhHNS via ascending doses administered via a surgically implanted intrathecal drug device (IDDD) once monthly for 6 months, in patientswith MPS IIIA.The secondary…

An open-label phase 2A study to investigate drug-drug interactions between AT1001 (migalastat hydrochloride) and agalsidase in subjects with Fabry disease.

The primary objectives of this study are: * To characterize the effects of 150 mg and 450 mg of AT1001 administered 2 hours before administration of agalsidase on the safety and plasma pharmacokinetics of agalsidase in subjects with Fabry Disease*…

An Efficacy and 2-Year Safety Study of Open-label Rosuvastatin in Children and Adolescents (aged from 6 to less than 18 years) with Familial Hypercholesterolaemia

Primary Objectives * To assess the efficacy of rosuvastatin in paediatric patients with familial hypercholesterolaemia. * To establish long-term safety, tolerability and efficacy of rosuvastatin in paediatric patients with familial…

Efficacy of dietary suppletion genestein in patients with the MPS III (A follow-up study)

The objective of the study is to establish the effect of genestein in patients with MPS III on urinary and serum GAGs levels, hair morphology, GAG accumulation in skinbiopsy, cognitive functions and behavior (Piotrowska et al, 2008). MPS III is a…

6 minutes assisted leg and arm cycling test: feasibility, validity, test-retest responsivity and responsivity in patients with neuromuscular and metabolic disorders

2.1 Primary Objectives: 1) To test the feasibility of the six minute assisted leg and arm cycling test in patients aged 6-18 years with Duchenne muscular dystrophy (DMD), Beckers muscular dystrophy (BMD), Limb Girdle muscular dystrophy (LGMD),…

A phase 1 study to investigate the absorption, metabolism and excretion of [14C] AT1001 (migalastat hydrochloride) following a single oral administration in healthy volunteers.

Primary :to assess the mass balance profile (i.e., excretion in urine and feces) of a single dose of AT1001 using 14C-labeled AT1001to characterize the absorption and elimination profiles of a single dose of AT1001 using 14C-labeled AT1001to…

A Randomized, Multicenter, Multinational, Phase 3B, Open-Label, Parallel-Group Study of Fabrazyme (agalsidase beta) in Treatment-Naive Male Pediatric Patients with Fabry Disease Without Severe Symptoms

The objectives of this open-label study are to evaluate the efficacy (GL-3 clearance), pharmacokinetics (PK), and safety parameters (including immunogenicity) for 2 alternative dose regimens of Fabrazyme (0.5 mg/kg every 2 weeks [q2w] and 1.0 mg/kg…

A Multicenter, Multinational, Extension Study to Evaluate the Long-Term Efficacy and Safety of BMN 110 in Patients with Mucopolysaccharidosis IVA (Morquio A Syndrome)

To evaluate the long-term safety and efficacy of BMN 110 administration at 2.0 mg/kg/qw and 2.0 mg/kg/qow in patients with MPS IVA.

a explorative study of nutritional state and the effect of diet intervention on body composition, muscle strength, activity, pulmonary function and quality of life in adults with mitochondrial disease caused by the m.3243A.G mutation.

1. To obtain knowledge about the nutritional status of adult patients with mitochondrial disease and the determinants that contribute to this.2. Evaluate the effect of dietary intervention in adult patients with mitochondrial disease on nutritional…

An Open-Label Extension Study of Patients with Late-Onset Pompe Disease Who Were Previously Enrolled in Protocol AGLU02704

The objective of this extension study is to assess the long-term safety and efficacy of Myozyme treatment in patients with Late-Onset Pompe Disease who were previously treated under the placebo-controlled, double-blind study AGLU02704.

Effect of dietary suppletion with genestein in patients with the MPS III

The objective of the study is to establish the effect of genestein in patients with MPS III on urinary and serum GAGs levels, hair morphology, GAG accumulation in skinbiopsy, cognitive functions and behavior (Piotrowska et al, 2008).MPS III is a…

An Open-label (OL) Extension Study evaluating the Long-Term Safety of OxabactTM in Subjects with Primary Hyperoxaluria (PH) who participated in the Double-Blind (DB) Efficacy Study

Primary Objective:To evaluate the Safety of OxabactTM with continued exposure.Secondary Objectives:To obtain additional efficacy data with up to 48 weeks continuous exposure to Oxabact*.

Effects of short term increase of phenylalanine levels
on neuropsychological functions and well-being
in adults with phenylketonuria: the *diet for life* study

To evaluate the effects of short term supplementation of Phe to levels comparable to levels observed in adult patients who fully discontinued their diet on neuropsychological functions and wellbeing of adult patients with PKU.

Observational prospective study to evaluate the efficacy of Vitamin K Intravenously on the coagulopathy in patients with peroxisomal biogenesis disorders (PBD)

Primary objective: To evaluate the effect of intravenous vitamin K therapy on the vitamin K dependent coagulopathy in patients with peroxisomal biogenesis disorders measured with APTT, PT, FV, FVII, fibrinogen, d-dimer, thrombocytes and PIVKA.…

A Phase I/II Open Label, Dose Escalation, Safety Study in Subjects with Mucopolysaccharidosis type VI (MPS VI) Using Adeno-Associated Viral Vector 8 to Deliver the human ARSB gene to Liver.

Primary safety objective: To evaluate the safety of systemic intravenous administration of the Investigational Medicinal Product (IMP) in pediatric and adult MPS VI patients.Primary efficacy objective: To investigate the efficacy of the IMP through…

KetoEasy meal plan for Ketogenic Diet Therapy in children 2-12 years with parmacoresistant epilepsy

Primary Objective: To evaluate whether KDT application as the KetoEasy meal plan induces ketosis and leads to seizure reduction in children 2-12 years with refractory epilepsy.Secondary Objective(s): To evaluate-Feasibility: application in daily…