Post Hoc Analysis Evaluating the Impact of Antihyperglycemic Background Therapies on Attainment of A1C Targets Without Hypoglycemia in the ACHIEVE Control Pragmatic, Real-Life Study

BACKGROUND: ACHIEVE Control, a prospective, open-label, randomized, pragmatic, real-life study in insulin-naive people with type 2 diabetes (A1C 8.0–11.0%), demonstrated superiority of insulin glargine 300 units/mL (Gla-300) versus first-generation standard-of-care basal insulin (SOC-BI; glargine 100 units/mL or insulin detemir) in achieving individualized A1C targets without documented symptomatic (glucose ≤3.9 mmol/L [≤70 mg/dL] or <3.0 mmol/L [<54 mg/dL]) or severe hypoglycemia (American Diabetes Association level 3) at 6 months. Noninsulin antihyperglycemic background therapies are commonly used; however, sulfonylureas may increase hypoglycemia risk. This post hoc analysis assessed outcomes according to background therapy. METHODS: Subgroup analyses were performed per concomitant use/nonuse of sulfonylureas, glucagon-like peptide-1 receptor agonists, dipeptidyl peptidase 4 inhibitors, or sodium–glucose cotransporter 2 (SGLT2) inhibitors. End points (6 and 12 months) included A1C target attainment without documented symptomatic or severe hypoglycemia, A1C target attainment, and absence of documented symptomatic or severe hypoglycemia. RESULTS: Odds ratios (ORs) at 12 months mostly favored Gla-300 versus SOC-BI across subgroups except in analysis of SGLT2 inhibitors, in which ORs were similar. Among sulfonylurea users, ORs at 12 months strongly favored Gla-300 versus SOC-BI for all end points, particularly A1C target achievement without documented symptomatic hypoglycemia (glucose ≤3.9 mmol/L [≤70 mg/dL]; OR 1.25, 95% CI 1.02–1.53) or severe hypoglycemia and achievement of no documented symptomatic hypoglycemia (glucose <3.0 mmol/L [<54 mg/dL]; OR 1.25, 95% CI 1.02–1.52) or severe hypoglycemia. CONCLUSION: The results suggest that, in insulin-naive people with type 2 diabetes, Gla-300 is effective with a risk of hypoglycemia that is lower than or similar to that of SOC-BI regardless of background medication. Individuals receiving concomitant sulfonylureas were more likely to remain without symptomatic or severe hypoglycemia with Gla-300.