(lin a GLIP tin)
Excipient information presented when available (limited, particularly for generics); consult specific product labeling.
Tradjenta: 5 mg
Brand Names: U.S.
- Antidiabetic Agent, Dipeptidyl Peptidase 4 (DPP-4) Inhibitor
Linagliptin inhibits dipeptidyl peptidase IV (DPP-IV) enzyme resulting in prolonged active incretin levels. Incretin hormones (eg, glucagon-like peptide-1 [GLP-1] and glucose-dependent insulinotropic polypeptide [GIP]) regulate glucose homeostasis by increasing insulin synthesis and release from pancreatic beta cells and decreasing glucagon secretion from pancreatic alpha cells. Decreased glucagon secretion results in decreased hepatic glucose production. Under normal physiologic circumstances, incretin hormones are released by the intestine throughout the day and levels are increased in response to a meal; incretin hormones are rapidly inactivated by the DPP-IV enzyme.
Not extensively metabolized
80% feces unchanged; 5% urine unchanged
Time to Peak
Effective (therapeutic): ~12 hours; Terminal (DPP-IV saturable binding): >100 hours
70% to 80%; concentration dependent
Use: Labeled Indications
Diabetes mellitus, type 2: As an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes (noninsulin dependent, NIDDM) as monotherapy or in combination with other antidiabetic agents
Hypersensitivity (eg, anaphylaxis, angioedema, exfoliative skin conditions, urticaria, or bronchial hyperreactivity) to linagliptin or any component of the formulation
Canadian labeling: Additional contraindications: Use in type 1 diabetes mellitus or diabetic ketoacidosis
Diabetes mellitus, type 2: Oral: 5 mg once daily
Concomitant use with insulin and/or insulin secretagogues (eg, sulfonylureas): Reduced dose of insulin and/or insulin secretagogues may be needed.
Refer to adult dosing.
Dosing: Renal Impairment
No dosage adjustment necessary.
Dosing: Hepatic Impairment
No dosage adjustment necessary.
May be administered with or without food.
Individualized medical nutrition therapy (MNT) based on ADA recommendations is an integral part of therapy.
Store at 25°C (77°F); excursions permitted between 15°C to 30°C (59°F to 86°F).
ACE Inhibitors: DPP-IV Inhibitors may enhance the adverse/toxic effect of ACE Inhibitors. Specifically, the risk of angioedema may be increased. Monitor therapy
Alpha-Lipoic Acid: May enhance the hypoglycemic effect of Antidiabetic Agents. Monitor therapy
Androgens: May enhance the hypoglycemic effect of Blood Glucose Lowering Agents. Exceptions: Danazol. Monitor therapy
Antihepaciviral Combination Products: May increase the serum concentration of Linagliptin. Monitor therapy
Bosentan: May decrease the serum concentration of CYP3A4 Substrates. Monitor therapy
CYP3A4 Inducers (Moderate): May decrease the serum concentration of CYP3A4 Substrates. Monitor therapy
CYP3A4 Inducers (Strong): May decrease the serum concentration of Linagliptin. Management: Strongly consider using an alternative to any strong CYP3A4 inducer in patients who are being treated with linagliptin. If this combination is used, monitor patients closely for evidence of reduced linagliptin effectiveness. Consider therapy modification
Dabrafenib: May decrease the serum concentration of CYP3A4 Substrates. Management: Seek alternatives to the CYP3A4 substrate when possible. If concomitant therapy cannot be avoided, monitor clinical effects of the substrate closely (particularly therapeutic effects). Consider therapy modification
Deferasirox: May decrease the serum concentration of CYP3A4 Substrates. Monitor therapy
Enzalutamide: May decrease the serum concentration of CYP3A4 Substrates. Management: Concurrent use of enzalutamide with CYP3A4 substrates that have a narrow therapeutic index should be avoided. Use of enzalutamide and any other CYP3A4 substrate should be performed with caution and close monitoring. Consider therapy modification
Hyperglycemia-Associated Agents: May diminish the therapeutic effect of Antidiabetic Agents. Monitor therapy
Hypoglycemia-Associated Agents: Antidiabetic Agents may enhance the hypoglycemic effect of Hypoglycemia-Associated Agents. Monitor therapy
Insulin: DPP-IV Inhibitors may enhance the hypoglycemic effect of Insulin. Management: Consider a decrease in insulin dose when initiating therapy with a dipeptidyl peptidase-IV inhibitor and monitor patients for hypoglycemia. Consider therapy modification
MAO Inhibitors: May enhance the hypoglycemic effect of Blood Glucose Lowering Agents. Monitor therapy
Mitotane: May decrease the serum concentration of CYP3A4 Substrates. Management: Doses of CYP3A4 substrates may need to be adjusted substantially when used in patients being treated with mitotane. Consider therapy modification
Pegvisomant: May enhance the hypoglycemic effect of Blood Glucose Lowering Agents. Monitor therapy
P-glycoprotein/ABCB1 Inducers: May decrease the serum concentration of Linagliptin. Management: Strongly consider using an alternative to any strong P-glycoprotein inducer in patients who are being treated with linagliptin. If this combination is used, monitor patients closely for evidence of reduced linagliptin effectiveness. Consider therapy modification
P-glycoprotein/ABCB1 Inhibitors: May increase the serum concentration of P-glycoprotein/ABCB1 Substrates. P-glycoprotein inhibitors may also enhance the distribution of p-glycoprotein substrates to specific cells/tissues/organs where p-glycoprotein is present in large amounts (e.g., brain, T-lymphocytes, testes, etc.). Monitor therapy
Quinolone Antibiotics: May enhance the hypoglycemic effect of Blood Glucose Lowering Agents. Quinolone Antibiotics may diminish the therapeutic effect of Blood Glucose Lowering Agents. Specifically, if an agent is being used to treat diabetes, loss of blood sugar control may occur with quinolone use. Monitor therapy
Ranolazine: May increase the serum concentration of P-glycoprotein/ABCB1 Substrates. Monitor therapy
Ritonavir: May increase the serum concentration of Linagliptin. Monitor therapy
Salicylates: May enhance the hypoglycemic effect of Blood Glucose Lowering Agents. Monitor therapy
Selective Serotonin Reuptake Inhibitors: May enhance the hypoglycemic effect of Blood Glucose Lowering Agents. Monitor therapy
Siltuximab: May decrease the serum concentration of CYP3A4 Substrates. Monitor therapy
St John's Wort: May decrease the serum concentration of CYP3A4 Substrates. Management: Consider an alternative for one of the interacting drugs. Some combinations may be specifically contraindicated. Consult appropriate manufacturer labeling. Consider therapy modification
Sulfonylureas: DPP-IV Inhibitors may enhance the hypoglycemic effect of Sulfonylureas. Management: Consider a decrease in sulfonylurea dose when initiating therapy with a dipeptidyl peptidase-IV inhibitor and monitor patients for hypoglycemia. Consider therapy modification
Thiazide and Thiazide-Like Diuretics: May diminish the therapeutic effect of Antidiabetic Agents. Monitor therapy
Tocilizumab: May decrease the serum concentration of CYP3A4 Substrates. Monitor therapy
Incidences may include use in combination therapy regimens.
1% to 10%:
Endocrine & metabolic: Hypoglycemia (7%), increased uric acid (3%)
Respiratory: Nasopharyngitis (7%), cough (2%)
Frequency not defined:
Neuromuscular & skeletal: Myalgia
<1% (Limited to important or life-threatening): Acute pancreatitis, anaphylaxis, angioedema, bullous pemphigoid, exfoliation of skin, oral mucosa ulcer, severe arthralgia, severe hypersensitivity, skin rash, stomatitis
Concerns related to adverse effects:
• Arthralgia: Severe and disabling arthralgia has been reported with DPP-IV inhibitor use; onset may occur within one day to years after treatment initiation and may resolve with discontinuation of therapy. Some patients may experience a recurrence of symptoms if DPP-IV inhibitor therapy resumed.
• Bullous pemphigoid: DPP-4 inhibitor use has been associated with development of bullous pemphigoid; cases have typically resolved with topical or systemic immunosuppressive therapy and discontinuation of DPP-4 inhibitor therapy. Advise patients to report development of blisters or erosions. Discontinue therapy if bullous pemphigoid is suspected and consider referral to a dermatologist.
• Hypersensitivity reactions: Rare hypersensitivity reactions (including anaphylaxis, angioedema, and exfoliative skin conditions) have been reported in patients treated with linagliptin; events have generally been noted within the first 3 months of therapy and may occur with the initial dose. Discontinue if signs/symptoms of hypersensitivity reactions occur. Use with caution if patient has experienced angioedema with other DPP-IV inhibitor use.
• Pancreatitis: Cases of acute pancreatitis, including fatalities, have been reported with use. Monitor for signs/symptoms of pancreatitis; discontinue use immediately if pancreatitis is suspected and initiate appropriate management. Use with caution in patients with a history of pancreatitis as it is not known if this population is at greater risk.
Concurrent drug therapy issues:
• Drug-drug interactions: Potentially significant interactions may exist, requiring dose or frequency adjustment, additional monitoring, and/or selection of alternative therapy. Consult drug interactions database for more detailed information.
• Appropriate use: Not indicated for use in patients with type 1 diabetes mellitus (insulin dependent, IDDM) or with diabetic ketoacidosis (DKA).
• Patient education: Diabetes self-management education (DSME) is essential to maximize the effectiveness of therapy.
HbA1c (at least twice yearly in patients who have stable glycemic control and are meeting treatment goals; quarterly in patients not meeting treatment goals or with therapy change [ADA 2016a]), serum glucose; signs/symptoms of pancreatitis
Pregnancy Risk Factor
Adverse events were not observed in animal reproduction studies, except with doses that were also maternally toxic.
In women with diabetes, maternal hyperglycemia can be associated with congenital malformations as well as adverse effects in the fetus, neonate, and the mother (ACOG 2005; ADA 2016c; Kitzmiller 2008; Metzger 2007). To prevent adverse outcomes, prior to conception and throughout pregnancy, maternal blood glucose and HbA1c should be kept as close to target goals as possible but without causing significant hypoglycemia (ACOG 2013; ADA 2016c; Blumer 2013; Kitzmiller 2008). Agents other than linagliptin are currently recommended to treat diabetes in pregnant women (ACOG 2013; Blumer 2013).
• Discuss specific use of drug and side effects with patient as it relates to treatment. (HCAHPS: During this hospital stay, were you given any medicine that you had not taken before? Before giving you any new medicine, how often did hospital staff tell you what the medicine was for? How often did hospital staff describe possible side effects in a way you could understand?)
• Patient may experience pharyngitis, rhinitis, rhinorrhea, cough, or diarrhea. Have patient report immediately to prescriber signs of low blood sugar (dizziness, headache, fatigue, feeling weak, shaking, a fast heartbeat, confusion, hunger, or sweating), signs of pancreatitis (severe abdominal pain, severe back pain, severe nausea, or vomiting), eczema, dysphagia, or severe joint pain (HCAHPS).
• Educate patient about signs of a significant reaction (eg, wheezing; chest tightness; fever; itching; bad cough; blue skin color; seizures; or swelling of face, lips, tongue, or throat). Note: This is not a comprehensive list of all side effects. Patient should consult prescriber for additional questions.
Intended Use and Disclaimer: Should not be printed and given to patients. This information is intended to serve as a concise initial reference for health care professionals to use when discussing medications with a patient. You must ultimately rely on your own discretion, experience, and judgment in diagnosing, treating, and advising patients.
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Other brands: Tradjenta