Ultragenyx Pharmaceutical Inc.
Crystal forms of sialic acid or salt or solvate thereof

Abstract:

The present invention includes crystalline forms of N-acetylneuraminic acid (NeuAc) and crystalline forms of salts and/or solvates of N-acetylneuraminic acid (NeuAc). Furthermore, the present invention provides compositions comprising these crystalline forms and therapeutic use of the crystalline forms.