IP Library Granted Patent US 11,446,274
Granted Patent B2
US 11,446,274 · App. 15/771,631 · Granted Sep 20, 2022

Use of dianhydrogalactitol or derivatives or analogs thereof for treatment of pediatric central nervous system malignancies

Inventors: Jeffrey A. Bacha (Vancouver, CA); Dennis M. Brown (Menlo Park, CA); Anne Steinø (Vancouver, CA)
Assignee: DEL MAR PHARMACEUTICALS (BC) LTD.
A61K31/336A61K31/282A61K31/4745A61K31/495A61K31/502A61K31/7048A61K33/243A61K45/06A61N5/10A61P35/00A61N2005/1098
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Quick Facts
Patent No.
US 11,446,274
App. No.
15/771,631
Granted
Sep 20, 2022
Kind
B2
Abstract

The use of dianhydrogalactitol provides a novel therapeutic modality for the treatment of malignancies of the central nervous system in pediatric patients, including glioblastoma multiforme (GBM) high grade glioma, and medulloblastoma. Dianhydrogalactitol acts as an alkylating agent on DNA that creates N 7 methylation and that can induce double-stranded breaks in DNA. Dianhydrogalactitol is effective in suppressing the growth of cancer stem cells and is active against tumors that are refractory to temozolomide, cisplatin, and tyrosine kinase inhibitors; the drug acts independently of the MGMT repair mechanism. Dianhydrogalactitol can be used together with other anti-neoplastic agents (e.g. cisplatin) and can possess additive or super-additive effects.

Claims (4)

1. A method for the treatment of an ovarian cancer comprising administering a therapeutically effective quantity of dianhydrogalactitol and a therapeutically effective quantity of olaparib to treat the ovarian cancer.

2. The method of claim 1 , wherein dianhydrogalactitol and olaparib are administered simultaneously or substantially simultaneously.

3. The method of claim 1 , wherein dianhydrogalactitol and olaparib are administered sequentially.

4. The method of claim 1 , wherein dianhydrogalactitol and olaparib are administered simultaneously and wherein dianhydrogalactitol and olaparib are administered as a single pharmaceutical composition.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 15, 2020
From: DELMAR PHARMACEUTICALS, INC.
To: DEL MAR PHARMACEUTICALS (BC) LTD.
Reel/Frame 052941/0591 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 25, 2019
From: BACHA, JEFFREY A.; BROWN, DENNIS M.; STEINØ, ANNE
To: DELMAR PHARMACEUTICALS, INC.
Reel/Frame 048427/0820 →
Continuity (2)
Provisional Application 62247350 · Oct 28, 2015
Related Publication 20190175541A1 · Jun 13, 2019