Lorus announces initiation of IND-enabling toxicology studies for its lead small molecule drug, LOR-253
Toxicology studies in preparation for an investigational new drug application to the US FDA
LOR-253 (formerly known as LT-253) is a proprietary small molecule compound discovered at Lorus and optimized for its anticancer properties. In preclinical studies, LOR-253 has shown selective and potent antitumor activity in a variety of human cancers, including colon cancer and non-small cell lung cancer, and has an excellent therapeutic window due to its low toxicity. The mode of action of LOR-253 involves the downregulation of cyclin D1, an important regulator of cell cycle progression and cell proliferation. Alterations in the cyclin D1 regulatory pathway have been linked to the development of cancer.
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