Slow and controlled released liposomal gel composition comprising hypoglycemic active ingredient and method of preparing thereof

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9980906
SERIAL NO

14783433

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

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.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
HONG KONG BAPTIST UNIVERSITYKOWLOON TONG KOWLOON

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bian, Zhaoxiang Hong Kong, HK 41 7
Chen, Xiaoyu Hong Kong, HK 63 168
Lu, Aiping Hong Kong, HK 27 7
Wong, Blenda Chi Kwan Hong Kong, HK 1 2
Yang, Zhijun Hong Kong, HK 40 135

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Nov 29, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Nov 29, 2029
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00