Lansoprazole
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Systematic (IUPAC) name | |
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(RS)-2-([3-methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methylsulfinyl)-1H-benzo[d]imidazole | |
Clinical data | |
[[Regulation of therapeutic goods |Template:Engvar data]] |
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Pregnancy category | |
Routes of administration | Oral, IV |
Legal status | |
Legal status |
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Pharmacokinetic data | |
Bioavailability | 80% or more |
Protein binding | 97% |
Metabolism | Hepatic (CYP3A4- and CYP2C19-mediated) |
Biological half-life | 1–1.5 hours |
Excretion | Renal and fecal |
Identifiers | |
CAS Number | 103577-45-3 |
ATC code | A02BC03 (WHO) |
PubChem | CID 3883 |
DrugBank | APRD00077 |
ChemSpider | 3746 |
Chemical data | |
Formula | C16H14F3N3O2S |
Molar mass | 369.363 g/mol[[Script error: No such module "String".]] |
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Lansoprazole (pronounced /lænˈsoʊprəzoʊl/, lan-SOE-pra-zole, INN) is a proton-pump inhibitor (PPI) which prevents the stomach from producing gastric acid. It is manufactured by a number of companies worldwide under several brand names (some brand names include: Prevacid, Helicid, Zoton, Inhibitol). It was first approved by the U.S. Food and Drug Administration (FDA) in 1995.[1]
Prevacid patent protection expired on November 10, 2009.[2][3] As a result, prescription Lansoprazole is now available in the form of a generic drug. As of November 12, 2009[update], Lansoprazole is available over-the-counter (OTC) in the U.S. in a 15 mg dose marketed by Novartis as Prevacid 24HR.[4][5][6]
Currently (November 25, 2009), prescription Lansoprazole and OTC Prevacid sell for about 50% and 25% of the cost of prescription Prevacid, respectively, in the U.S.
Contents
Pharmacology
Lansoprazole is a proton-pump inhibitor (PPI) in the same pharmacologic class as omeprazole. Lansoprazole has been marketed for many years and is one of several PPIs available.[7] Lansoprazole is a racemate [1:1-mixture of the enantiomers dexlansoprazole (Kapidex) and levolansoprazole].[8] Dexlanprantazole is an enantiomerically pure active ingredient of a commercial drug as a result of the 'enantiomeric shift'.
Lansoprazole's plasma elimination half-life is not proportional to the duration of the drug's effects (i.e. gastric acid suppression). The mean plasma elimination half-life is 1.5 hours,[9] and the effects of the drug last for over 24 hours after it has been used for 1 day or more.[10]
Indications
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Lansoprazole is indicated for:
- Treatment of ulcers of the stomach and duodenum, and NSAID-induced ulcers
- Treatment of gastroesophageal reflux disease (GERD) (also known as acid reflux disease)
- Treatment of Zollinger-Ellison Syndrome
- Adjunctive treatment of Helicobacter pylori infection, alongside antibiotics
Drug interactions
- PPIs reduce absorption of antifungals (itraconazole and ketoconazole) [11] and possibly increase Digoxin in plasma
- Increases plasma concentrations of Cilostazol (risk of toxicity)
- Absorption of lansoprazole possibly reduced by:
Side effects
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- Infrequent: dry mouth, insomnia, drowsiness, blurred vision, rash, pruritus
- Rarely and very rarely: taste disturbance, liver dysfunction, peripheral oedema, hypersensitivity reactions (including bronchospasm, urinary, angioedema, anaphylaxis), photosensitivity, fever, sweating, depression, interstitial nephritis, blood disorders (including leukopenia, leukocytosis, pancytopenia, thrombocytopenia), arthralgia, myalgia, skin reactions[12] including (erythroderma[13] Stevens-Johnson syndrome, toxic epidermal necrolysis, bullous eruption)
- Severe: Gastro-intestinal disturbances (such as nausea 1.3%, abdominal pain 2.1%, diarrhea 3.8%).[9]
Proton-pump inhibitors may be associated with a greater risk of hip fractures,[14] clostridium difficile-associated diarrhea.[15] Patients are frequently administered the drugs in intensive care as a protective measure against ulcers, but this use is also associated with a 30% increase in occurrence of pneumonia.[16]
Brand names
The drug is sold under several brand names, including:[1]
- Agopton (Germany)
- Lansor (Turkey)
- Digest (Indonesia)
- Duogast (Syria)
- Gastrolan (Indonesia)
- Lanpro (India)
- Lanzol (India)
- Lanzul (Slovenia)
- Lansoptol (Hungary)
- Lansox (Italy)
- Lansoloc (South Africa)
- Lanston LFDT (South Korea)
- Lanton (Israel)
- Lanzo (Sweden)
- Lanzor (France, South Africa)
- Lanzostad (Lithuania, Latvia, Estonia)
- Laprazol (Greece)
- Lanciprol (Greece)
- Limpidex (Italy)
- Monolitum (Spain)
- Ogast and OgastORO (France)
- Ogastro (Mexico)
- Prevacid (U.S. and Canada) Prevacid is a product of Takeda Pharmaceuticals.
- Prevacid 24HR (U.S.)
- pro-ulco (Spain)
- Prosogan and Prosogan FD (Indonesia)
- Refluxon (Hungary)
- SOLOX (New Zealand)
- Takepron (Japan)
- Zolt (Finland)
- Zoton (Italy, Ireland, Australia, UK)
- ZOMEL (Ireland)
Lansoprazole is also available as a generic drug in the US, UK, Canada, Belgium, Finland,[17] France, Colombia, Italy, Sweden,[18] and Mexico.[citation needed]
References
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External links
- Prevacid official website Takeda Pharmaceuticals North America
- Prevacid 24HR official website Novartis Consumer Health
- Prevpac official website Takeda Pharmaceuticals North America
- U.S. National Library of Medicine: Drug Information Portal - Lansoprazole
fr:Lansoprazole it:Lansoprazolo hu:Lanzoprazol nl:Lansoprazol ja:ランソプラゾール pl:Lanzoprazol pt:Lansoprazol ru:Лансопразол sv:Lansoprazol
tr:Lansoprazol- ↑ 1.0 1.1 Mosby's Drug Consult: Lansoprazole
- ↑ Prevacid drug patents
- ↑ Teva to release Prevacid version when patent expires
- ↑ "Novartis launches Prevacid 24HR over-the-counter for full 24-hour frequent heartburn treatment" (PDF) (Press release). November 12, 2009. http://www.prevacid24hr.com/pdfs/News%20media%20release%20-%20Prevacid24HR%20Launch%20-%20November%202009.pdf. Retrieved 2009-11-13.
- ↑ "Prevacid 24HR Patient Package Insert" (PDF). November 12, 2009. Retrieved 2009-11-13.
- ↑ "Novartis launches Prevacid 24HR over-the-counter for full 24-hour frequent heartburn treatment" (Press release). November 12, 2009. http://www.novartis.com/newsroom/media-releases/en/2009/1354451.shtml. Retrieved 2009-11-13.
- ↑ http://www.patient.co.uk/showdoc/30002943/
- ↑ http://www.mainecarepdl.org/index.pl/genpharmfiles/memos-and-mailings/pharmacy-benefit-update-summer-fall-2009.pdf
- ↑ 9.0 9.1 "Prevacid Pharmacology, Pharmacokinetics, Studies, Metabolism". RxList.com. 2007. Retrieved 2007-04-14.
- ↑ "Prevacid 24HR Fact Sheet" (PDF). November 12, 2009. Retrieved 2009-11-13.
- ↑ Antimicrob Agents Chemother. 1991 September; 35(9): 1765–1771. Effects of ranitidine and sucralfate on ketoconazole bioavailability. S C Piscitelli, T F Goss, J H Wilton, D T D'Andrea, H Goldstein, and J J Schentag [1]
- ↑ K C Singhal & S Z Rahman, Lansoprazole Induced Adverse Effects on the Skin, Indian Medical Gazette, July 2001, Vol. CXXXV. N0. 7: 223-225
- ↑ Sterry W, Assaf C (2007). "Erythroderma". In Bolognia JL. Dermatology. St. Louis: Mosby. p. 154. ISBN 1-4160-2999-0.
- ↑ Lua error in package.lua at line 80: module 'Module:Citation/CS1/Suggestions' not found.
- ↑ "Proton pump inhibitors and Clostridium difficile". Bandolier. 2003. Retrieved 2007-07-13.
- ↑ Lua error in package.lua at line 80: module 'Module:Citation/CS1/Suggestions' not found.
- ↑ "Vastaavat tuotteet - hintavertailu" (in Finnish).
- ↑ "FASS.se, accessed 2010-02-13" (in Swedish).
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