Lansoprazole

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Lansoprazole
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200px
Systematic (IUPAC) name
(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]]
Pregnancy
category
  • AU: B3
  • US: B (No risk in non-human studies)
Routes of
administration
Oral, IV
Legal status
Legal status
  • US: OTC
  • ℞ (Prescription only)
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 (2009 -11-12), 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.

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

Lansoprazole is indicated for:

Drug interactions

Side effects

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

File:Prevacid30mg.png
Prevacid 30 mg

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

es:Lansoprazol

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. 1.0 1.1 Mosby's Drug Consult: Lansoprazole
  2. Prevacid drug patents
  3. Teva to release Prevacid version when patent expires
  4. "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. 
  5. "Prevacid 24HR Patient Package Insert" (PDF). November 12, 2009. Retrieved 2009-11-13. 
  6. "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. 
  7. http://www.patient.co.uk/showdoc/30002943/
  8. http://www.mainecarepdl.org/index.pl/genpharmfiles/memos-and-mailings/pharmacy-benefit-update-summer-fall-2009.pdf
  9. 9.0 9.1 "Prevacid Pharmacology, Pharmacokinetics, Studies, Metabolism". RxList.com. 2007. Retrieved 2007-04-14. 
  10. "Prevacid 24HR Fact Sheet" (PDF). November 12, 2009. Retrieved 2009-11-13. 
  11. 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]
  12. K C Singhal & S Z Rahman, Lansoprazole Induced Adverse Effects on the Skin, Indian Medical Gazette, July 2001, Vol. CXXXV. N0. 7: 223-225
  13. Sterry W, Assaf C (2007). "Erythroderma". In Bolognia JL. Dermatology. St. Louis: Mosby. p. 154. ISBN 1-4160-2999-0. 
  14. Lua error in package.lua at line 80: module 'Module:Citation/CS1/Suggestions' not found.
  15. "Proton pump inhibitors and Clostridium difficile". Bandolier. 2003. Retrieved 2007-07-13. 
  16. Lua error in package.lua at line 80: module 'Module:Citation/CS1/Suggestions' not found.
  17. "Vastaavat tuotteet - hintavertailu" (in Finnish). 
  18. "FASS.se, accessed 2010-02-13" (in Swedish).