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:
Feb. 01, 2022
Filed:
Aug. 17, 2018
Zi-qiang Gu, Reston, VA (US);
Zi-Qiang Gu, Reston, VA (US);
Other;
Abstract
In various embodiments, provided herein are pamoate salts of monoamine Anti-Parkinsons disease agents including rotigotine, ropinirole, pramipexole, selegiline, rasagiline, and safinamide, pharmaceutical composition comprising the same, methods of preparing the same, and methods of using the same. For example, the pamoate salt herein can be characterized by a molar ratio of rotigotine, ropinirole, pramipexole, selegiline, rasagiline, or safinamide to pamoic acid of about 1:1 or about 2:1. The pamoate salt herein can also be crystalline including anhydrous, hydrate or solvate forms, or their polymorphs, or amorphous. The pamoate salts described herein can provide a long acting and/or extended release profile of the monoamine agents for the treatment of Parkinsons disease (PD). Thus, also provided herein are methods of preparing a long acting and/or extended release injectable formulation of the monoamine agents using their respective pamoate salts. And in some embodiments, provided herein are methods of treating a subject in need thereof comprising administering a pharmaceutical composition comprising a pamoate salt of rotigotine, ropinirole, pramipexole, selegiline, rasagiline, and/or safinamide.