Crystalline forms of tricyclic compound acid salt or hydrate thereof, and method for making thereof

Abstract

The present invention relates to a novel crystalline acid salt of a tricyclic derivative or a hydrate thereof and a production method thereof. The crystalline acid salt or the hydrate thereof according to the present invention is stable with respect to humidity and stable with respect to hygroscopicity, and the quality control during manufacturing drugs is favorable. In addition, the crystalline acid salt or the hydrate thereof may be used in a pharmaceutical composition for preventing or treating neuropathic pain, epilepsy, stroke, Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis (ALS), Huntington's disease, schizophrenia, chronic and acute pain, ischemic brain injury, neuronal loss after hypoxia, trauma and nerve damage, which are medical conditions induced by PARP overactivity.

Dependencies are inferred from the claim text.