In this Shortcast Dr Mark Wijnen presents two cases where Teriparatide was used to treat bone complications in MPD IVB but explains how temporally associated cardiac disease compels his groups to advise caution in its use. Teriparatide in Two Patients With Mucopolysaccharidosis Type IVBMark Wijnen, Evert F. S. van Velsen, J. Gert-Jan Milhous, Esmee Oussoren, Bram C. J. van der Eerden, Margreet A. E. M. WagenmakersFirst published: 13 April 2026 https://doi.org/10.1002/jmd2.70088