Exavir Therapeutics announces publication of preclinical data for novel tenofovir prodrug, XVIR-210, in Nature Communications, demonstrating long-acting exposures sufficient for antiviral activity against HIV and HBV With a single administration, XVIR-210, a nano-formulated prodrug of tenofovir, provided drug levels sufficient for chronic HBV treatment, HIV treatment, and HIV prophylaxis for over two months in...