The exemplary embodiments of the present invention relates to a curable therapeutic implant composition for use in the filling of a cavity in a living organism, comprising particles of a metallic material, and a curable matrix-forming, non-particulate material, wherein at least one of the metallic material or the matrix-forming material is at least partially degradable in-vivo. Furthermore, the exemplary embodiments of the present invention relate to methods of filling a cavity in a living organism with the use of the curable implant composition.