Leading BioSciences and Seneca Biopharma Announce Merger GERMANTOWN, Md. and CARLSBAD, Calif., Dec. 17, 2020 /PRNewswire/ -- Seneca Biopharma, Inc. (Nasdaq: SNCA) ("Seneca"), and Leading BioSciences, Inc. ("LBS"), a privately held company focused on developing novel therapeutics to improve human health through therapeutic protection of the gastrointestinal ("GI") mucosal barrier, announced today that they have entered into a definitive agreement under which a wholly owned subsidiary of Seneca will merge with LBS in an all-stock transaction. The combined company will focus on advancing LBS's l...