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:
May. 29, 2018
Filed:
Oct. 20, 2014
Hong Kong Baptist University, Hong Kong, HK;
Zhijun Yang, Hong Kong, HK;
Aiping Lu, Hong Kong, HK;
Zhaoxiang Bian, Hong Kong, HK;
Xiaoyu Chen, Hong Kong, HK;
Blenda Chi Kwan Wong, Hong Kong, HK;
Hong Kong Baptist University, Hong Kong, HK;
Abstract
The present invention provides a slow and controlled released liposomal gel composition for subcutaneous administration comprises insulin or exenatide as active ingredient for reduction of blood sugar level and method of preparation thereof. Said controlled released composition has high bioavailability and is demonstrated to be able to sustain release therapeutically effective concentration of drug over a period of time and without rapid release of drug after initial administration. Method of preparing the controlled released composition of the present invention comprises the following steps: mixing insulin or exenatide, lipid and aqueous dispersion medium together; then mixing with poloxamer (e.g. F127 or P123) and/or gelatin and hyaluronic acid (HA) or the like gel solution so as to form a protective layer on surface of every lipid micro vesicles or nano-vesicles for use in intramuscular, abdominal and subcutaneous administration. A single administration of the present composition lasts 2 to 7 days to reduce side-effects, such as pain and irritation.