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:
Dec. 09, 2025
Filed:
Jun. 26, 2025
Muco-adhesive, controlled release formulation of levodopa and/or esters of levodopa and uses thereof
Impax Laboratories, Llc, Bridgewater, NJ (US);
Ann Hsu, Hayward, CA (US);
Liang Dong, Hayward, CA (US);
Amy Ding, Hayward, CA (US);
Suneel Gupta, Hayward, CA (US);
Impax Laboratories, LLC, Bridgewater, NJ (US);
Abstract
The invention provides an oral solid formulation comprising (a) a plurality of controlled release components comprising (i) a core comprising a mixture of levodopa and at least one pharmaceutically acceptable excipient, (ii) a controlled release coating surrounding the core, (iii) a muco-adhesive coating surrounding the controlled release coating and (iv) an enteric coating surrounding the muco-adhesive coating; and (b) one or more immediate release components comprising levodopa. The oral solid formulation also contains carbidopa and about 80% to 100% of the carbidopa in the oral solid formulation is present in the one or more immediate release components.