Classes
DEA Class; Rx
Common Brand Names; Januvia
- Antidiabetics, Dipeptyl Peptidase-IV Inhibitors
Description
Oral DPP-4 inhibitor given once daily; reduces the breakdown of GLP-1 which increases insulin secretion
Used in adults for type 2 diabetes mellitus; mean A1C reduction 0.65 to 1.05%
Used as monotherapy or in combination with other hypoglycemic agents including insulin, but not GLP-1 agonists
Indications
Indicated as an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus (T2DM)
Contraindications
Serious hypersensitivity to sitagliptin (eg, anaphylaxis, angioedema)
Adverse Effects
Combination with insulin with or without metformin
Hypoglycemia (15.5%)
Combination with glimepiride with or without metformin
Hypoglycemia (12.2%)
Monotherapy
Nasopharyngitis (5.2%)
Upper respiratory tract infection (4.5%)
Headache (1.1%)
Combination with pioglitazone
Upper respiratory tract infection (6.3%)
Headache (5.1%)
Combination with metformin
Nasopharyngitis (6.2%)
Upper respiratory tract infection (5.9%)
Combination with metformin and rosiglitazone
Nasopharyngitis (6.1%)
Upper respiratory tract infection (5.5%)
Combination with glimepiride with or without metformin
Nasopharyngitis (6.3%)
Upper respiratory tract infection (5.9%)
Hypersensitivity reactions including anaphylaxis, angioedema, rash, urticaria, cutaneous vasculitis, and exfoliative skin conditions including Stevens-Johnson syndrome
Hepatic enzyme elevations; acute pancreatitis, including fatal and nonfatal hemorrhagic and necrotizing pancreatitis
Worsening renal function, including acute renal failure (sometimes requiring dialysis)
Severe and disabling arthralgia
Tubulointerstitial nephritis
Constipation, vomiting
Headache, myalgia, pain in extremity, back pain
Rhabdomyolysis
Pruritus
Bullous pemphigoid
Mouth ulceration; stomatitis
Warnings
Acute pancreatitis reported, including fatal and nonfatal hemorrhagic or necrotizing pancreatitis; if pancreatitis suspected, discontinue promptly
Acute renal failure reported, sometimes requiring dialysis; assess renal function before initiation and periodically thereafter
Serious allergic and hypersensitivity reactions (eg, anaphylaxis, angioedema, exfoliative skin conditions including Stevens-Johnson syndrome) reported; promptly stop treatment and assess for other potential causes; appropriately monitor and treat
Severe and disabling arthralgia reported in patients taking DPP-4 inhibitors; consider as a possible cause for severe joint pain and discontinue drug if appropriate
Heart failure observed with other DPP-4 inhibitors; consider risks and benefits in patients with risk factors for heart failure; monitor for signs and symptoms; if heart failure develops, manage accordingly to standard of care and consider interrupting treatment
Bullous pemphigoid reported with DPP-4 inhibitor use, which required hospitalization; in reported cases, patients recovered with topical or systemic immunosuppressive treatment and discontinuation of DPP-4 inhibitor; advise to report any developing blisters/erosions; discontinue DPP-4 therapy and consult a dermatologist if bullous pemphigoid suspected
Pregnancy and Lactation
Limited available data in pregnant females are not sufficient to inform a drug-associated risk for major birth defects and miscarriage
There is no information regarding presence of drug in human milk, effects on breastfed infants, or on milk production
Present in rat milk and therefore possibly present in human
Maximum Dosage
16 mg/day PO.
16 mg/day PO.
Safety and efficacy have not been established.
Safety and efficacy have not been established.
How supplied
Sitagliptin
tablet
- 25mg
- 50mg
- 100mg