In the News: Generic Enoxaparin Approval Prompts Concern Lovenox maker cites safety issues Sanofi-aventis, maker of the low molecular weight heparin product Lovenox (enoxaparin sodium), expressed reservations about the U.S. Food and Drug Administration’s (FDA) approval of a generic form of the drug last month. FDA Calls for Less Residual Drug in Transdermal Patches Surplus could have safety, efficacy effects, agency says A draft guidance issued this month by the U.S. Food and Drug Administration (FDA) calls for manufacturers of transdermal and transmucosal delivery systems to minimize the amount of drug left in these products at the end of the life cycle. Technique Allows Injection Into Single Cells Method could selectively load drugs, genes A technique using laser pulses to create microbubbles could allow selective injection of materials into single cells, according to researchers at Duke University.