Bisphosphonate Use and Fractures in Adults with Hypophosphatasia

Adults with hypophosphatasia (HPP) may suffer femoral fractures resembling the atypical femoral fractures that can occur with long-term bisphosphonate treatment, and there is an emerging consensus that bisphosphonates should not be used in adults with HPP and low bone mass. However, the spectrum of HPP in adults is wide: ranging from the severely affected-who commonly have osteomalacia-through to the minimally affected. The former typically have...