Lipella Pharmaceuticals (Nasdaq: LIPO) announced the issuance of U.S. Patent No. 12,138,345 for its proprietary liposomal drug delivery platform. The patent, titled 'Delivery of Agents Using Metastable Liposomes,' extends market exclusivity for the company's lead clinical assets, LP-10and LP-310, currently in Phase 2 trials. LP-10 is a liposomal formulation of tacrolimus for hemorrhagic cystitis, while LP-310 is an oral rinse for oral lichen planus. The company holds additional patents in the United States, Australia, and Canada, providing exclusivity until 2035.