This product is currently not marketed in the UK. In the absence of a submission from the holder of the marketing authorisation, ertugliflozin/sitagliptin (Steglujan®) cannot be endorsed for use within NHS Wales for use as an adjunct to diet and exercise to improve glycaemic control in adults aged 18 years and older with type 2 diabetes mellitus: when metformin and/or a sulphonylurea and one of the monocomponents of Steglujan® do not provide adequate glycaemic control; in patients already being treated with the combination of ertugliflozin and sitagliptin as separate tablets.