CAMBRIDGE, Mass. & PORTLAND, Ore.--(BUSINESS WIRE)--ARIAD Pharmaceuticals, Inc. (NASDAQ: ARIA) and MolecularMD Corporation today announced an exclusive collaboration agreement in which MolecularMD will develop and commercialize a companion diagnostic test to identify the T315I mutation of the BCR-ABL gene in patients with chronic myeloid leukemia (CML) and Philadelphia positive (Ph+) acute lymphoblastic leukemia (ALL).