*Prices reflect U.S. average retail price

Alogliptin (trade name Nesina in the US and Vipidia in Europe) is an orally administered anti-diabetic drug in the DPP-4 inhibitor class, developed by Syrrx, a company which was acquired by Takeda Pharmaceutical Company in 2005. Like other medications for the treatment of Type 2 diabetes, alogliptin does not decrease the risk of heart attack and stroke... Wikipedia

Manufacturer's Website: Nesina                                                                                                                       Average retail cost: $520/month

Linagliptin (INN, previously known as BI-1356, marketed under trade names Tradjenta (U.S.) and Trajenta (worldwide)) is a dipeptidyl peptidase-4 inhibitor developed by Boehringer Ingelheim for treatment of diabetes mellitus type 2... Wikipedia

Manufacturer's Website: Tradjenta                                                                                                                    Average retail cost: $645/month

Sitagliptin (INN;marketed as the phosphate salt under the trade name Januvia) is an oral antihyperglycemic (antidiabetic drug) of the dipeptidyl peptidase-4 (DPP-4) inhibitor class. It was developed, and is marketed, by Merck & Co. This enzyme-inhibiting drug is used either alone or in combination with other oral antihyperglycemic agents (such as metformin or a thiazolidinedione) for treatment of diabetes mellitus type 2... Wikipedia

Manufacturer's Website: Januvia                                                                                                                     Average retail cost: $678/month

Saxagliptin, sold under the brand name Onglyza, is an oral hypoglycemic (anti-diabetic drug) of the dipeptidyl peptidase-4 (DPP-4) inhibitor class. Early development was solely by Bristol-Myers Squibb; in 2007 AstraZeneca joined with Bristol-Myers Squibb to co-develop the final compound and collaborate on the marketing of the drug. In April 2016, the U.S. FDA added a warning about increased risk of heart failure

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Manufacturer's Website: Onglyza                                                                                                                  Average retail cost: $1.723/month