Osteochondromatosis Watchlist (log in to enable) Retrieved 2021-01-18 Source Wikipedia Trials — Genes EXT1, EXT2, MMP12, ACVR2A, GPC4, HSPG2, SDC2, UXS1, SLC35B2, SAMD12 Drugs — Interested in hearing about new therapies? Registered! Osteochondromatosis is a condition involving a proliferation of osteochondromas. Types include: Hereditary multiple exostoses Synovial osteochondromatosis