PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17559747-8 2007 Initial clinical trial experience with the new oral DPP-4 inhibitors such as sitagliptin and vildagliptin suggests that these agents are weight-neutral, while providing improved glycaemic control when added to metformin. Metformin 210-219 dipeptidyl peptidase 4 Homo sapiens 52-57 17559747-10 2007 Initial clinical trial experience with oral DPP-4 inhibitors such as sitagliptin and vildagliptin suggest that these agents may represent an important oral treatment option for weight-neutral, glycaemic control when added to metformin. Metformin 225-234 dipeptidyl peptidase 4 Homo sapiens 44-49