Lorus Therapeutics Inc. (LOR.TO: Quote) said Wednesday it has got the approval of the U.S. Patent and Trademark Office for its patent regarding the lead small molecule anticancer drug LOR-253.
The patent, which was originally set to expire in May 2026, was granted a patent adjustment that extends its expiry date to February 2028.
The US patent covers LOR-253 composition of matter and methods of treating cancer. Patents with similar protection for LOR-253 have been issued in Canada and Australia, and are pending in Europe, Japan, and China.
LOR-253 is in a Phase I clinical trial that assesses the safety profile and antitumor activity of LOR-253. Patients with advanced or metastatic solid tumors who are unresponsive to conventional therapy, or for which no effective therapy is available, are currently being recruited for this clinical study.
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by RTT Staff Writer
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