Clinical data | |
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Pronunciation | /sɪtəˈɡlɪptɪn/ |
Trade names | Januvia, Zituvio, others |
AHFS/Drugs.com | Monograph |
MedlinePlus | a606023 |
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Routes of administration | By mouth |
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Pharmacokinetic data | |
Bioavailability | 87% |
Protein binding | 38% |
Metabolism | Liver (CYP3A4- and CYP2C8-mediated) |
Elimination half-life | 8 to 14 h [7] |
Excretion | Kidney (80%) [7] |
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CompTox Dashboard (EPA) | |
ECHA InfoCard | 100.217.948 |
Chemical and physical data | |
Formula | C16H15F6N5O |
Molar mass | 407.320 g·mol−1 |
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Sitagliptin, sold under the brand name Januvia among others, is an anti-diabetic medication used to treat type 2 diabetes. [8] In the United Kingdom it is listed as less preferred than metformin or a sulfonylurea. [9] It is taken by mouth. [8] It is also available in the fixed-dose combination medication sitagliptin/metformin (Janumet, Janumet XR). [8]
Common side effects include headaches, swelling of the legs, and upper respiratory tract infections. [8] Serious side effects may include angioedema, low blood sugar, kidney problems, pancreatitis, and joint pain. [8] Whether use in pregnancy or breastfeeding is safe is unclear. [10] It is in the dipeptidyl peptidase-4 (DPP-4) inhibitor class and works by increasing the production of insulin and decreasing the production of glucagon by the pancreas. [8]
Sitagliptin was developed by Merck & Co. and approved for medical use in the United States in 2006. [8] In 2022, it was the 86th most commonly prescribed medication in the United States, with more than 7 million prescriptions. [11] [12] It is available as a generic medication. [13] [14] [15]
Sitagliptin is used to treat type 2 diabetes. [8] It is generally less preferred than metformin or sulfonylureas. [9] It is taken by mouth. [8] It is also available as the fixed-dose combinations of sitagliptin/metformin (Janumet, Janumet XR) [8] and sitagliptin/simvastatin (Juvisync). [16]
Sitagliptin should not be used to treat type 1 diabetes. In December 2020, the US Food and Drug Administration (FDA) approved labeling changes stating that Januvia (sitagliptin), Janumet (sitagliptin and metformin hydrochloride), and Janumet XR (sitagliptin and metformin hydrochloride extended-release) are not proven to improve glycemic (blood sugar) control in children aged 10 to 17 with type 2 diabetes. [17] The drugs are approved to improve blood sugar control in adults aged 18 and older with type 2 diabetes. [17]
Adverse effects from sitagliptin are similar to placebo, except for rare nausea, common cold-like symptoms, and photosensitivity. [18] It does not increase the risk of diarrhea. [19] No significant difference exists in the occurrence of hypoglycemia between placebo and sitagliptin. [18] [20] [21] In those taking sulphonylureas, the risk of low blood sugar is increased. [22]
The existence of rare case reports of kidney failure and hypersensitivity reactions is noted in the United States prescribing information, but a causative role for sitagliptin has not been established. [2]
Several postmarketing reports of pancreatitis (some fatal) have been made in people treated with sitagliptin and other DPP-4 inhibitors, [23] [24] and the US FDA package insert carries a warning to this effect, [2] although the causal link between sitagliptin and pancreatitis has not yet been fully substantiated. [25] One study with lab rats published in 2009 concluded that some of the possible risks of pancreatitis or pancreatic cancer may be reduced when it is used with metformin. However, while DPP-4 inhibitors showed an increase in such risk factors, as of 2009, no increase in pancreatic cancer has been reported in individuals taking DPP-4 inhibitors. [26]
In 2015, the US Food and Drug Administration (FDA) added a new warning and precaution about the risk of "severe and disabling" joint pain to the labels of all DPP-4 inhibitor medicines. [27]
Sitagliptin works to competitively inhibit the enzyme dipeptidyl peptidase 4 (DPP-4). This enzyme breaks down the incretins GLP-1 and GIP, gastrointestinal hormones released in response to a meal. [28] By preventing breakdown of GLP-1 and GIP, they are able to increase the secretion of insulin and suppress the release of glucagon by the alpha cells of the pancreas.[ medical citation needed ] This drives blood glucose levels towards normal.[ medical citation needed ] As the blood glucose level approaches normal, the amounts of insulin released and glucagon suppressed diminishes, thus tending to prevent an "overshoot" and subsequent low blood sugar (hypoglycemia), which is seen with some other oral hypoglycemic agents.[ medical citation needed ]
Sitagliptin has been shown to lower HbA1c level by about 0.7% points versus placebo. It is slightly less effective than metformin when used as a monotherapy. It does not cause weight gain and has less hypoglycemia compared to sulfonylureas. Sitagliptin is recommended as a second-line drug (in combination with other drugs) after the combination of diet/exercise and metformin fails. [29]
Sitagliptin was approved by the US Food and Drug Administration (FDA) in October 2006, [30] and is sold under the brand name Januvia. [31] In April 2007, the FDA approved an oral combination of sitagliptin/metformin sold under the brand name Janumet. [32] In October 2011, the FDA approved an oral combination of sitagliptin/simvastatin sold under the brand name Juvisync. [33] [16] The extended release version of sitagliptin/metformin was approved in February 2012. [34]
Metformin, sold under the brand name Glucophage, among others, is the main first-line medication for the treatment of Type 2 diabetes, particularly in people who are overweight. It is also used in the treatment of polycystic ovary syndrome, and is sometimes used as an off-label adjunct to lessen the risk of metabolic syndrome in people who take antipsychotics. It has also been shown to inhibit inflammation, and is not associated with weight gain. Metformin is taken orally.
Drugs used in diabetes treat diabetes mellitus by decreasing glucose levels in the blood. With the exception of insulin, most GLP-1 receptor agonists, and pramlintide, all diabetes medications are administered orally and are thus called oral hypoglycemic agents or oral antihyperglycemic agents. There are different classes of hypoglycemic drugs, and selection of the appropriate agent depends on the nature of diabetes, age, and situation of the person, as well as other patient factors.
Incretins are a group of metabolic hormones that stimulate a decrease in blood glucose levels. Incretins are released after eating and augment the secretion of insulin released from pancreatic beta cells of the islets of Langerhans by a blood-glucose–dependent mechanism.
Vildagliptin, sold under the brand name Galvus and others, is an oral anti-hyperglycemic agent of the dipeptidyl peptidase-4 (DPP-4) inhibitor class of drugs. Vildagliptin inhibits the inactivation of GLP-1 and GIP by DPP-4, allowing GLP-1 and GIP to potentiate the secretion of insulin in the beta cells and suppress glucagon release by the alpha cells of the islets of Langerhans in the pancreas.
Inhibitors of dipeptidyl peptidase 4 are a class of oral hypoglycemics that block the enzyme dipeptidyl peptidase-4 (DPP-4). They can be used to treat diabetes mellitus type 2.
Saxagliptin, sold under the brand name Onglyza, is an oral hypoglycemic 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.
Alogliptin, sold under the brand names Nesina and Vipidia, is an oral anti-diabetic drug in the DPP-4 inhibitor (gliptin) class. Like other members of the gliptin class, it causes little or no weight gain, exhibits relatively little risk of hypoglycemia, and has relatively modest glucose-lowering activity. Alogliptin and other gliptins are commonly used in combination with metformin in people whose diabetes cannot adequately be controlled with metformin alone.
Liraglutide, sold under the brand name Victoza among others, is an anti-diabetic medication used to treat type 2 diabetes, and chronic obesity. It is a second-line therapy for diabetes following first-line therapy with metformin. Its effects on long-term health outcomes like heart disease and life expectancy are unclear. It is given by injection under the skin.
Dipeptidyl peptidase-4 inhibitors are enzyme inhibitors that inhibit the enzyme dipeptidyl peptidase-4 (DPP-4). They are used in the treatment of type 2 diabetes mellitus. Inhibition of the DPP-4 enzyme prolongs and enhances the activity of incretins that play an important role in insulin secretion and blood glucose control regulation. Type 2 diabetes mellitus is a chronic metabolic disease that results from inability of the β-cells in the pancreas to secrete sufficient amounts of insulin to meet the body's needs. Insulin resistance and increased hepatic glucose production can also play a role by increasing the body's demand for insulin. Current treatments, other than insulin supplementation, are sometimes not sufficient to achieve control and may cause undesirable side effects, such as weight gain and hypoglycemia. In recent years, new drugs have been developed, based on continuing research into the mechanism of insulin production and regulation of the metabolism of sugar in the body. The enzyme DPP-4 has been found to play a significant role.
Canagliflozin, sold under the brand name Invokana among others, is a medication used to treat type 2 diabetes. It is used together with exercise and diet. It is not recommended in type 1 diabetes. It is taken by mouth.
Sitagliptin/metformin, sold under the brand name Janumet among others, is a fixed-dose combination anti-diabetic medication used to treat type 2 diabetes. It may be used in those whose blood sugar is not controlled with metformin and a sulfonylurea. It is taken by mouth.
Sitagliptin/simvastatin, sold under the brand name Juvisync, is a fixed-dose combination anti-diabetic medication used to treat type 2 diabetes and hypercholesterolemia. It contains sitagliptin and simvastatin. Sitagliptin is a dipeptidyl peptidase-4 inhibitor and simvastatin is an HMG-CoA reductase inhibitor. These two disorders commonly occur in people at the same time, and have been typically treated with administration of these medications separately. The combination was approved in 2011, and sold under the brand name Juvisync by Merck. Juvisync was later removed from the market in 2013, due to business reasons.
Gemigliptin (rINN), sold under the brand name Zemiglo, is an oral anti-hyperglycemic agent of the dipeptidyl peptidase-4 inhibitor class of drugs. Glucose lowering effects of DPP-4 inhibitors are mainly mediated by GLP-1 and gastric inhibitory polypeptide (GIP) incretin hormones which are inactivated by DPP-4.
Dulaglutide, sold under the brand name Trulicity among others, is a medication used for the treatment of type 2 diabetes in combination with diet and exercise. It is also approved in the United States for the reduction of major adverse cardiovascular events in adults with type 2 diabetes who have established cardiovascular disease or multiple cardiovascular risk factors.
Omarigliptin (MK-3102) is a potent, long-acting oral antidiabetic drug of the DPP-4 inhibitor class used for once-weekly treatment of type 2 diabetes and currently under development by Merck & Co. It inhibits DPP-4 to increase incretin levels, which inhibit glucagon release, which in turn increases insulin secretion, decreases gastric emptying and decreases blood glucose levels.
Ertugliflozin, sold under the brand name Steglatro, is a medication for the treatment of type 2 diabetes.
Empagliflozin/metformin, sold under the brand name Synjardy among others, is a fixed-dose combination anti-diabetic medication used to treat type 2 diabetes. It contains empagliflozin and metformin hydrochloride. It is taken by mouth.
Empagliflozin/linagliptin/metformin, sold under the brand name Trijardy XR, is a fixed-dose combination medication used for the treatment of type 2 diabetes. It is a combination of empagliflozin, linagliptin, and metformin. Empagliflozin/linagliptin/metformin was approved for use in the United States in January 2020.
Dapagliflozin/metformin, sold under the brand name Xigduo Xr among others, is a fixed-dose combination anti-diabetic medication used as an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes. It is a combination of dapagliflozin and metformin and is taken by mouth. Dapagliflozin/metformin was approved for use in the European Union in January 2014, in the United States in February 2014, and in Australia in July 2014.
Canagliflozin/metformin, sold under the brand name Vokanamet among others, is a fixed-dose combination anti-diabetic medication used for the treatment of type 2 diabetes. It is used in combination with diet and exercise. It is taken by mouth.
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