Linagliptin Inpatient Trial

Linagliptin once daily + correction doses of rapid acting insulin if needed

Basal bolus regimen with glargine once daily and rapid-acting insulin (lispro or aspart) before meals + + correction doses of rapid acting insulin if needed

Patients with admission A1C \< 7% will be discharged on same pharmacologic regimen (oral agents, insulin therapy) or linagliptin 5 mg/day for 3 months.

Patients with admission HbA1c between 7% and 9% will be discharged on previous oral anti-diabetic agents plus linagliptin, and consider glargine insulin at 50% of daily hospital dose for 3 months.

Patients with admission HbA1c ≥ 9% will be discharged on previous oral anti-diabetic agents plus linagliptin, and consider glargine insulin at 80% of daily hospital dose for 3 months.