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Tiziana Earlier Announced it was Granted a Patent on the Use of Milciclib in Combination with Tyrosine Kinase Inhibitors for Treatment of Hepatocellular Carcinoma and other Cancers

Tiziana Life Sciences plc (Nasdaq: TLSA) announces that the United States Patent and Trademark Office ("USPTO") has granted a patent on use of Milciclib in combination with tyrosine kinase inhibitors (TKIs) such as Sorafenib (Nexavar®), Regorafenib (St

Benzinga · 08/21/2020 10:07
Tiziana Life Sciences plc (NASDAQ: TLSA) announces that the United States Patent and Trademark Office ("USPTO") has granted a patent on use of Milciclib in combination with tyrosine kinase inhibitors (TKIs) such as Sorafenib (Nexavar®), Regorafenib (Stivarga®) and Lenvatinib (Lenvima®) for the treatment of hepatocellular carcinoma (HCC) and other cancers in humans. This patent will be published by the USPTO on 1 September 2020 as Patent No. 10,758,541 (Inventor: Kunwar Shailubhai). Like most human cancers, HCC is a complex multi-factorial cancer with multiple underlying mechanisms causing enormous heterogeneity in patient populations. Consequently, patients with HCC often develop resistance towards the monotherapies of existing therapeutics. Thus, there is an urgent need for combination drug treatment approaches targeting different mechanisms to achieve better clinical outcomes. Recently, the Company presented two posters on clinical evaluation of Milciclib at the American Society of Clinical Oncology 2020 (ASCO2020). The poster on Phase 2a clinical evaluation of Milciclib, a broad-spectrum inhibitor of cyclin dependent kinases, indicated that the treatment was well-tolerated, and it produced encouraging clinical activity in sorafenib-resistant patients of HCC(1). The second poster was on the evaluation of Milciclib in combination with Regorafenib, a specific TKI drug, in liver transplant patients with HCC recurrence in the MiHRCO (Milciclib and Half Regorafenib CO administration) trial. The combination treatment was safe and produced promising clinical response(2) in these delicate and difficult to treat patients. Additionally, the Company earlier reported data from an animal study suggesting that the combination of Milciclib with Sorafenib, both acting via different mechanisms, suppressed expression of protooncogene c-Myc to produce pronounced synergistic anti-HCC activity(3).    Dr. Kunwar Shailubhai, CEO & CSO of Tiziana Lifesciences, commented, "Advanced cases of patients with HCC have limited therapeutic options because of the heterogeneity of the multiple mechanisms underlying the development of drug resistance and limited clinical responses. Thus, combination of drugs with different mechanism of actions are necessary to achieve superior clinical outcome. We are delighted that we now have this key patent on use of Milciclib in combination with other HCC drugs, including a TKI. Issuance of this patent strengthens our clinical strategy as we move forward with the combination of Milciclib and a TKI for the clinical evaluation of advanced cases of HCC as well as in patients with recurrent HCC after liver transplantation." The person who arranged for the release of this announcement was Dr Kunwar Shailubhai, Chief Executive Officer and Chief Scientific Officer of the Company