BOONTON, N.J.--(BUSINESS WIRE)--Unigene Laboratories, Inc. (OTCBB: UGNE) a leader in the design, delivery, manufacture and development of peptide-based therapeutics announced today that on April 8, 2011, along with the founding investors of Tarsa Therapeutics, the Company entered into an agreement to purchase $1.5 million in convertible promissory notes and warrants from Tarsa to help fund Tarsa’s business operations into the first half of 2012. Unigene also announced that Tarsa has selected Unigene to conduct the stability testing for its oral calcitonin and has agreed to pay Unigene $1.04 million for these services. The stability testing results will be included in Tarsa’s new drug application (NDA) to the Food and Drug Administration (FDA) that Tarsa expects to file before the end of 2011. Unigene licensed development and commercialization rights to its oral calcitonin product to Tarsa in 2009.