On October 17, 2018 Onconova Therapeutics, Inc. (NASDAQ:ONTX), a Phase 3-stage biopharmaceutical company focused on discovering and developing novel products to treat cancer, with a primary focus on Myelodysplastic Syndromes (MDS), reported that the United States Patent and Trademark Office issued a new patent protecting the company’s lead product candidate, Rigosertib (Press release, Onconova, OCT 17, 2018, View Source [SID1234529944]). U.S. patent 10,098,862 "Formulations with enhanced stability and bioavailability for administration of (E)-2, 6-Dialkoxystyryl 4-Substituted Benzyl Sulfones" describes novel compositions directed towards improving stability and enhancing bioavailability of Rigosertib. The issued patent claims novel formulations for oral and parenteral administration and oral dosing regimens of Rigosertib for the treatment of cancer and proliferative disorders.
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"Rigosertib is well protected by issued US and foreign patents as well as by Orphan Designation in the U.S., Europe, and Japan. We remain focused on our broader IP strategy that provides additional barriers to entry and expanded geographical coverage for our lead product candidate, which is in advanced clinical trials for unmet medical needs of patients with Myelodysplastic Syndromes," commented, Ramesh Kumar, Chief Executive Officer of Onconova. "Ensuring multi-faceted intellectual property protection around Rigosertib helps enhance the potential value of this innovative program."
U.S. patent 10,098,862 complements and adds to coverage provided by previously issued Composition of Matter patent U.S. 7,598,232 and its international counterpart patents and patent applications, including Rigosertib drug combination patents. While previous patents cover compositions, methods, formulations and other aspects of utility, the new patent provides additional coverage related to an oral dosing regimen of Rigosertib. The novel formulation patent was filed in 2017 as a PCT application globally and as National Phase applications in the U.S. and in Non-PCT countries including Taiwan and various countries in Latin America.
The named inventor of the patented technology is Dr. Manoj Maniar, Senior Vice President of Product Development for Onconova. The patent was filed by and is assigned to the Company.