Merck & Co. Inc. and Aetna Inc. have signed a value-based reimbursement agreement for the DPP-4 medications Januvia (sitagliptin) and Janumet (sitagliptin/metformin) for the treatment of type 2 diabetes, linking the cost of the medicines to intensification of treatment rather than a health outcome like reduction in hemoglobin A1C.
Under the agreement announced Oct. 11, Merck would pay larger rebates for Januvia and Janumet if patients need to add...






