Foundation, ATL was granted exclusive, worldwide rights to the University's adenosine-related patent portfolio, including apadenoson, developed as Stedivaze, a cardiac stress agent for use in diagnosis of coronary artery disease. Stedivaze was shepherded by ATL to the end of Phase II development before ATL sold substantially all its assets to Clinical Data, Inc. (CLDA) in 2008. CLDA and its successors carried on development into late Phase III.