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The purpose of this study is to evaluate the pharmacokinetics (PK) and pharmacodynamics (PD) of asfotase alfa in adult patients with pediatric-onset HPP.
Development of a new MS-based biomarker for the early and sensitive diagnosis of Hypophosphatasia disease from plasma
This is a multicenter study in Japan. Eleven sites which have already participated in the investigator-initiated clinical study (Early Access Program) will participate in this study.The objective of this study is to gain further information on the safety and efficacy of treatment with asfotase alfa.
This clinical trial is being conducted in Hypophosphatasia, a bone disorder caused by gene mutation(s) resulting in bone defects. These gene mutations cause low levels of an enzyme needed to harden bone. The purpose of this study is to provide access to treatment in a disease where no approved treatment exists. This is an experimental treatment provided under specific treatment guidelines in which safety endpoints will be collected.
The aim of this study is to assess safety and efficacy of Asfotase Alfa (ALXN1215) in patients with hypophosphatasia
To collect information on the variability, progression, and natural history of HPP from patients of all ages, including infants, children, and adults with HPP, regardless of age at onset.
Hypophosphatasia (HPP) is a rare, inherited metabolic disease caused by inactivating mutations in the ALPL gene, coding for the Tissue-nonspecific alkaline phosphatase (TNAP). Penetrance and disease severity is very heterogenous, ranging from stillbirth to adult-onset manifestations. Especially the latter are again characterized by an extremely broad spectrum of symptoms. This scope of variability makes it difficult to attribute individual patients' symptoms to the disease and distinguish them from HPP independent health issues. Especially in adult HPP patients, musculoskeletal problems, including (fragility-) fractures / bone bruise, joint pain, reduced mobility, muscular weakness and pain and reduced muscular endurance appear to reflect the prevailing burden of disease, especially with respect these patients dis-abilities of daily life. To expand current knowledge of the natural history of the disease as well as on disease specific musculoskeletal deficits in HPP, all adult patients with established Diagnosis of HPP known at the Orthopedic Insitute, University of Würzburg, will be offered to participate in a single, multimodal assessment of their disease history, current symptoms and disabilities, lab evaluations and clinical and technical analysis of their musculoskeletal status and capabilities. Patients will be invited to a day long visit to the clinic in order to perform the following assessments: A) Epidemiologic / anamnestic information B) Physical examination C) Structured questionnaires D) Laboratory examinations E) Clinical functional testing F) Technical Examinations
Hypophosphatasia (HPP) is a rare inherited metabolic disorder characterized by defective bone and teeth mineralization caused by mutations of the ALPL gene, which encodes for the tissue-nonspecific alkaline phosphatase (TNSALP) isozyme, resulting in decreased serum and bone alkaline phosphatase levels. To date, over 250 different mutations in the gene encoding TNSALP have been associated with HPP. Clinically, the loss of TNSALP function results in progressive skeletal impact as well as progressive impact on all other major organ systems. It clinically manifests as rickets in infants and children and osteomalacia at all ages. The severe form of the disease has been estimated to have a prevalence of about 1 in every 100,000 live births.
The purpose of this study is to characterize the natural history of HPP in patients with Juvenile-onset HPP who served as historical controls in ENB-006-09.
The purpose of this study is to characterize the natural history of HPP in patients with Juvenile-onset HPP.