Pilocarpine

Pilocarpine
Clinical data
Trade namesIsopto Carpine, Salagen, Vuity, others
AHFS/Drugs.comMonograph
MedlinePlusa608039
License data
Pregnancy
category
  • AU: B3
Routes of
administration
Topical eye drops, by mouth
Drug classMiotic (cholinergic)[1]
ATC code
Legal status
Legal status
Pharmacokinetic data
Elimination half-life0.76 hours (5 mg), 1.35 hours (10 mg)[3]
Excretionurine
Identifiers
  • (3S,4R)-3-Ethyl-4-((1-methyl-1H-imidazol-5-yl)methyl)dihydrofuran-2(3H)-one
CAS Number
PubChem CID
IUPHAR/BPS
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.001.936 Edit this at Wikidata
Chemical and physical data
FormulaC11H16N2O2
Molar mass208.261 g·mol−1
3D model (JSmol)
  • O=C2OC[C@H](Cc1n(cnc1)C)[C@@H]2CC
  • InChI=1S/C11H16N2O2/c1-3-10-8(6-15-11(10)14)4-9-5-12-7-13(9)2/h5,7-8,10H,3-4,6H2,1-2H3/t8-,10-/m0/s1 checkY
  • Key:QCHFTSOMWOSFHM-WPRPVWTQSA-N checkY
  (verify)

Pilocarpine is a lactone alkaloid originally extracted from plants of the Pilocarpus genus.[4] It is used as a medication to reduce pressure inside the eye and treat dry mouth.[1][5] As an eye drop it is used to manage angle closure glaucoma until surgery can be performed, ocular hypertension, primary open angle glaucoma, and to constrict the pupil after dilation.[1][6][7] However, due to its side effects it is no longer typically used for long-term management.[8] Onset of effects with the drops is typically within an hour and lasts for up to a day.[1] By mouth it is used for dry mouth as a result of Sjögren syndrome or radiation therapy.[9]

Common side effects of the eye drops include irritation of the eye, increased tearing, headache, and blurry vision.[1] Other side effects include allergic reactions and retinal detachment.[1] Use is generally not recommended during pregnancy.[10] Pilocarpine is in the miotics family of medication.[11] It works by activating cholinergic receptors of the muscarinic type which cause the trabecular meshwork to open and the aqueous humor to drain from the eye.[1]

Pilocarpine was isolated in 1874 by Hardy and Gerrard and has been used to treat glaucoma for more than 100 years.[12][13][14] It is on the World Health Organization's List of Essential Medicines.[15] It was originally made from the South American plant Pilocarpus.[12]

  1. ^ a b c d e f g "Pilocarpine". The American Society of Health-System Pharmacists. Archived from the original on 28 December 2016. Retrieved 8 December 2016.
  2. ^ "Vuity- pilocarpine hydrochloride solution/ drops". DailyMed. Retrieved 19 December 2021.
  3. ^ Gornitsky M, Shenouda G, Sultanem K, Katz H, Hier M, Black M, et al. (July 2004). "Double-blind randomized, placebo-controlled study of pilocarpine to salvage salivary gland function during radiotherapy of patients with head and neck cancer". Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics. 98 (1): 45–52. doi:10.1016/j.tripleo.2004.04.009. PMID 15243470.
  4. ^ Vardanyan RS, Hruby VJ (2006). "Cholinomimetics". Synthesis of Essential Drugs. pp. 179–193. doi:10.1016/B978-044452166-8/50013-3. ISBN 978-0-444-52166-8.
  5. ^ Tarascon Pocket Pharmacopoeia 2019 Deluxe Lab-Coat Edition. Jones & Bartlett Learning. 2018. p. 224. ISBN 978-1-284-16754-2.
  6. ^ World Health Organization (2009). Stuart MC, Kouimtzi M, Hill SR (eds.). WHO Model Formulary 2008. World Health Organization. p. 439. hdl:10665/44053. ISBN 9789241547659.
  7. ^ "Glaucoma and ocular hypertension. NICE guideline 81". National Institute for Health and Care Excellence. November 2017. Retrieved 19 September 2019. Ocular hypertension... alternative options include carbonic anhydrase inhibitors such as brinzolamide or dorzolamide, a topical sympathomimetic such as apraclonidine or brimonidine tartrate, or a topical miotic such as pilocarpine, given either as monotherapy or as combination therapy.
  8. ^ Lusthaus J, Goldberg I (March 2019). "Current management of glaucoma". The Medical Journal of Australia. 210 (4): 180–187. doi:10.5694/mja2.50020. PMID 30767238. S2CID 73438590. Pilocarpine is no longer routinely used for long term IOP control due to a poor side effect profile
  9. ^ Hamilton R (2015). Tarascon Pocket Pharmacopoeia 2015 Deluxe Lab-Coat Edition. Jones & Bartlett Learning. p. 415. ISBN 9781284057560.
  10. ^ "Pilocarpine ophthalmic Use During Pregnancy | Drugs.com". www.drugs.com. Archived from the original on 28 December 2016. Retrieved 28 December 2016.
  11. ^ British national formulary : BNF 69 (69 ed.). British Medical Association. 2015. p. 769. ISBN 9780857111562.
  12. ^ a b Sneader W (2005). Drug Discovery: A History. John Wiley & Sons. p. 98. ISBN 978-0-471-89979-2. Archived from the original on 2016-12-29.
  13. ^ Rosin A (1991). "[Pilocarpine. A miotic of choice in the treatment of glaucoma has passed 110 years of use]". Oftalmologia (in Romanian). 35 (1): 53–55. PMID 1811739.
  14. ^ Holmstedt B, Wassén SH, Schultes RE (January 1979). "Jaborandi: an interdisciplinary appraisal". Journal of Ethnopharmacology. 1 (1): 3–21. doi:10.1016/0378-8741(79)90014-x. PMID 397371.
  15. ^ World Health Organization (2019). World Health Organization model list of essential medicines: 21st list 2019. Geneva: World Health Organization. hdl:10665/325771. WHO/MVP/EMP/IAU/2019.06. License: CC BY-NC-SA 3.0 IGO.

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