DUBLIN, Ohio--(BUSINESS WIRE)--Neoprobe Corporation (OTCBB: NEOP), a diversified developer of innovative oncology surgical and diagnostic products, today announced that it has submitted a response letter to the U.S. Food and Drug Administration (FDA) regarding its RIGScan™ technology Biologic License Application (BLA). The filing of the BLA response letter is the initial step in Neoprobe’s efforts to commercialize the RIGS® technology designed to enhance the surgical treatment of solid tumor cancers. The review responsibility for the RIGS BLA was recently transferred from the Center for Biologics Evaluation and Research (CBER) to the Division of Medical Imaging Products in the Center for Drug Evaluation and Research (CDER) at FDA.