Polymorphs of sepiapterin and salts thereof
US11072614B2 · kind B2 · utility
8Cited by
19References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 28, 2017 |
| Grant date | Jul 27, 2021 |
| Priority date | — |
| Expiry date | Apr 16, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed are crystalline forms of sepiapterin free base selected from polymorphs A, B, C, D, E, F, and G, and combinations thereof, as well as crystalline polymorphs of salts of sepiapterin. Also disclosed are pharmaceutical compositions containing one or more such polymorphs and methods for preparing such polymorphs. Sepiapterin is useful in the treatment of a number diseases associated with low cellular levels of BH4, for example, phenylketonuria.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.