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.

Date of Patent:
Oct. 14, 2025

Filed:

Jun. 03, 2021
Applicant:

Jazz Pharmaceuticals Ii Sas, Lyons, FR;

Inventor:

Thierry Abribat, Sainte Foy les Lyon, FR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N 9/82 (2006.01); A61K 38/50 (2006.01); A61K 47/60 (2017.01); C12N 9/96 (2006.01);
U.S. Cl.
CPC ...
C12N 9/82 (2013.01); A61K 38/50 (2013.01); A61K 47/60 (2017.08); C12N 9/96 (2013.01); C12Y 305/01001 (2013.01); Y02A 50/30 (2018.01);
Abstract

Disclosed is L-asparagine aminohydrolase and polyethylene glycol conjugate. The polyethylene glycol has a molecular weight less than or equal to about 5000 Da and the protein is an L-asparaginase from. The conjugate has a high level of in vitro activity and an unexpected increase in half-life in vivo. Methods of producing the conjugate and methods of using the conjugate in therapy in treatment of cancer, particularly Acute Lymphoblastic Leukemia (ALL). The method is disclosed for use of the conjugate as a second line therapy for patients who have developed hypersensitivity or have had a disease relapse after treatment with other L-asparaginase preparations.


Find Patent Forward Citations

Abribat, Thierry. (2025). Method of treating aml with pegylated l-asparaginase (U.S. Patent No. 12441992). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12441992

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…