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:
Feb. 15, 2022

Filed:

Oct. 28, 2019
Applicant:

Rakovina Therapeutics Inc., Vancouver, CA;

Inventors:

Wang Shen, San Mateo, CA (US);

Jack Maung, Daly City, CA (US);

Aimin Zhang, Castro Valley, CA (US);

Xiaoling Zheng, Fremont, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 9/6584 (2006.01);
U.S. Cl.
CPC ...
C07F 9/6584 (2013.01);
Abstract

The invention provides for compositions comprising phosphorous containing tricyclic compounds, including phthalazin-1(2H)-one derivatives. The compounds are potent inhibitors of the enzyme poly(ADP-ribose)polymerase (PARP), particularly PARP-1 and potentially PARP-2. The also show good cellular activity in inhibiting poly(ADP-ribose) oligomer formation. The compounds may be useful as mono-therapy or in combination with other therapeutic agents in the treatment conditions where PARP is implicated, such as cancer, inflammatory diseases and ischemic conditions. Thus, also provided are methods for the treatment of a condition where PARP is implicated comprising administering to an effective amount of a compound of the invention to an individual in need thereof.


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