ALX-HPP-501: An Observational,Longitudinal Prospective, Long-term Registry of Patients with Hypophosphatasia

This is a long-term registry is designed to collect data on hypophosphatasia (HPP) to better understand the condition and learn more about the disease, how patients feel about living with HPP and effect of HPP on the patients wellbeing and health. The study will look at participant’s medical records and health questionnaires about the health status of patients. This study collects observational data from clinical care and does not involve any treatment for HPP or administration of medication for HPP.