Osteogenesis Imperfecta, Type Iv, also known as osteogenesis imperfecta type 4, is related to osteogenesis imperfecta, type viii and osteogenesis imperfecta, type v. An important gene associated with Osteogenesis Imperfecta, Type Iv is COL1A2 (Collagen Type I Alpha 2 Chain), and among its related pathways/superpathways are Extracellular matrix organization and ECM proteoglycans. The drugs Zoledronic acid and Cholecalciferol have been mentioned in the context of this disorder. Affiliated tissues include bone and eye, and related phenotypes are blue sclerae and scoliosis