Xilis Inc. added $19 million to its series A financing round, bringing the total amount raised to over $89 million. FPV Ventures led the extension, with participation from Alexandria Venture Investments and EQT Life Sciences, Mubadala Capital Management, Pear Ventures, GV, the Duke Angel Network, Catalio Capital Management, Two Sigma Ventures, Felicis Ventures and Alix Ventures.