US Patent 11254652 Crystalline forms of N-(4-(4-(cyclopropymethyl)piperazine-1-carbonyl)phenyl)quinoline-8-sulfonamide

Provided herein are amorphous and crystalline hemisulfate salt forms of the formula (I). Also provided are pharmaceutical compositions comprising the amorphous and crystalline hemisulfate salt forms, methods for their manufacture, and uses thereof for treating conditions associated with pyruvate kinase such as e.g., pyruvate kinase deficiency.