ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,227, issued on April 7, was assigned to The George Washington University (Washington).

"Compositions and methods for treatment of platinum-based chemotherapeutic resistant tumors" was invented by Wenge Zhu (Germantown, Md.), Jing Li (Arlington, Va.), Ruiqin Wu (Sichuan, China) and Yiliang Li (Hebei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the instant disclosure relate to novel methods and compositions for treating tumors resistant to platinum-based chemotherapy. In certain embodiments, methods of treating tumors herein can include administering an effective amount of at least one ursolic acid derivative. In certain embodi...