Crystalline forms of a prolyl hydroxylase inhibitor

US8883823B2 · kind B2 · utility

Assignee

• FibroGen, Inc. · US

Inventors

• Claudia Witschi · San Francisco, US
• Jung Min Park · San Francisco, US
• Michael D. Thompson · San Diego, US
• Michael John Martinelli · Indianapolis, US
• David A. Yeowell · Chapel Hill, US
• Michael P. Arend · Foster City, US

Key dates

• Filing date: Jul 15, 2013
• Grant date: Nov 11, 2014
• Expiry date: Jul 15, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07B2200/13
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The present disclosure relates to crystalline solid forms of [(4-hydroxy-1-methyl-7-phenoxy-isoquinoline-3-carbonyl)-amino]-acetic acid, the process of preparing the forms, and pharmaceutical compositions and methods of use thereof.