The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 02, 2020
Filed:
Nov. 11, 2016
Hangzhou Solipharma Co., Ltd., Hangzhou, Zhejiang, CN;
Hangzhou SoliPharma Co., Ltd., Hangzhou, Zhejang, CN;
Abstract
The present invention relates to the crystalline forms of a 5-HTreceptor agonist 2,4,6-trifluoro-N-[6-[(1-methyl-piperidine-4-yl)carbonyl]pyridin-2-yl]-benzene formamide (lasmiditan) and its hydrochloride. The crystalline forms of the present invention have advantages in crystallinity, hygroscopicity, morphology, crystal form stability, and chemical stability as compared with the known forms of lasmiditan and lasmiditan hydrochloride. The present invention also relates to processes for the preparation of the crystalline forms of lasmiditan and lasmiditan hydrochloride, pharmaceutical compositions thereof and their use in treating and/or preventing a patient's migraine and other diseases or conditions associated with 5-HTreceptor dysfunction.