Hydrochloric acid salt of 5-HT2C agonist patent application
Summary
USPTO published patent application US20260091039A1 for a crystalline hydrochloric acid salt of (R)-N-(2,2-difluoroethyl)-7-methyl-1,2,3,4,6,7-hexahydro-[1,4]diazepino[6,7,1-hi]indole-8-carboxamide (a 5-HT2C agonist). The application includes pharmaceutical composition claims and methods of use. Inventor: Anthony Clyde Blackburn. Application No. 19344622.
What changed
USPTO published patent application US20260091039A1 disclosing crystalline (R)—N-(2,2-difluoroethyl)-7-methyl-1,2,3,4,6,7-hexahydro-[1,4]diazepino[6,7,1-hi]indole-8-carboxamide hydrochloric acid salt (Compound 1). The application claims pharmaceutical compositions comprising the salt form and methods for therapeutic use. CPC classifications: A61K 31/5517 and C07D 487/04. Filing date: September 30, 2025.
Pharmaceutical companies developing 5-HT2C agonist compounds should review the application scope for potential freedom-to-operate implications. Patent applicants should ensure all required documentation is filed and monitor for USPTO examination actions. This publication does not grant patent rights; applicants must await substantive examination and potential issuance.
Archived snapshot
Apr 2, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
HYDROCHLORIC ACID SALT OF A 5-HT2C AGONIST
Application US20260091039A1 Kind: A1 Apr 02, 2026
Inventors
Anthony Clyde Blackburn
Abstract
Provided is crystalline (R)—N-(2,2-difluoroethyl)-7-methyl-1,2,3,4,6,7-hexahydro-[1,4]diazepino[6,7,1-hi]indole-8-carboxamide (Compound 1) hydrochloric acid (HCl) salt. Also are provided pharmaceutical compositions comprising the salt form and methods for its use.
CPC Classifications
A61K 31/5517 C07D 487/04
Filing Date
2025-09-30
Application No.
19344622
Named provisions
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