PolyPid Ltd. PolyPid Ltd is a clinical-stage biopharmaceutical company engaged in the research and development of products based on PLEX (Polymer-Lipid Encapsulation MatriX), the company's proprietary drug delivery technology. PLEX is capable of encapsulating many types of drugs to enable targeted, localized drug delivery into the body over extended periods of time with pre-determined release rates thus optimizing drug treatment regimens. BonyPid, PolyPid, Opzifend, Ssisurg, Elyfssi, Baczenssi, Opzifend and Bacyssio are trademarks of the company. The company's product candidate include D-PLEX100 for prevention of SSI in soft tissue and OncoPLEX which can be a potential Intra-tumoral therapy.