Patent · US Active

Muco-adhesive, controlled release formulations of levodopa and/or esters of levodopa and uses thereof

US11357733B2 · kind B2 · utility

13Cited by

61References

40Claims

0Family size

Assignee

Impax Laboratories, LLC · US

Inventors

Ann Hsu · Los Altos Hills, US
Liang Dong · Ann Arbor, US
Amy Ding · Hayward, US
Suneel Gupta · Sunnyvale, US

Key dates

Filing date	Jan 13, 2021
Grant date	Jun 14, 2022
Priority date	—
Expiry date	Jan 13, 2041

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02A50/30
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention provides a controlled release oral solid formulation comprising (a) a controlled release component comprising core comprising levodopa and/or an ester of levodopa or salts thereof, wherein the core is coated with a layer of a muco-adhesive polymer and externally coated with a layer of an enteric coated polymer; and (b) a decarboxylase inhibitor component.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.