PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 27282621-10 2016 CONCLUSIONS: This nationwide observational study showed that second-line treatment with TZD and DPP-4 inhibitor as add-on medication to metformin were associated with significantly lower risks of mortality and cardiovascular events compared with SU, whereas basal insulin was associated with a higher risk of mortality. Metformin 136-145 dipeptidyl peptidase 4 Homo sapiens 96-101