Modafinil

Modafinil
Clinical data
Trade namesProvigil, Alertec, Modavigil, others
Other namesCRL-40476; Diphenylmethyl-sulfinylacetamide
AHFS/Drugs.comMonograph
MedlinePlusa602016
License data
Pregnancy
category
Dependence
liability
Relatively low[2]
Addiction
liability
Low[2]
Routes of
administration
By mouth[3]
Drug classCNS stimulant
eugeroic
ATC code
Legal status
Legal status
Pharmacokinetic data
Protein binding62.3%
MetabolismLiver (primarily via amide hydrolysis);[9] CYP1A2, CYP2B6, CYP2C9, CYP2C19, CYP3A4, CYP3A5 involved[11]
Elimination half-life12–15 h[9]
Duration of action11.5 h[10]
ExcretionUrine (80%)
Identifiers
  • 2-(diphenylmethanesulfinyl)acetamide
CAS Number
PubChem CID
IUPHAR/BPS
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.168.719 Edit this at Wikidata
Chemical and physical data
FormulaC15H15NO2S
Molar mass273.35 g·mol−1
3D model (JSmol)
  • O=S(C(c1ccccc1)c2ccccc2)CC(=O)N
  • InChI=1S/C15H15NO2S/c16-14(17)11-19(18)15(12-7-3-1-4-8-12)13-9-5-2-6-10-13/h1-10,15H,11H2,(H2,16,17) checkY
  • Key:YFGHCGITMMYXAQ-UHFFFAOYSA-N checkY
  (verify)

Modafinil, sold under the brand name Provigil among others, is a wakefulness-promoting medication used primarily to treat narcolepsy.[3][8][12] Modafinil is also approved for stimulating wakefulness in people with sleep apnea and shift work sleep disorder.[3] It is taken by mouth.[3][8] Modafinil is not approved by the US Food and Drug Administration (FDA) for use in people under age 17.[8]

Modafinil has potential for causing severe allergic reactions, mental (psychiatric) effects,[3] hypersensitivity, adverse interactions with prescription drugs, and misuse or abuse.[3][8][12] Modafinil may harm the fetus if taken during or two months prior to pregnancy.[13]

While modafinil is used as a cognitive enhancer or "smart drug" among healthy individuals seeking improved focus and productivity,[14][15] its use outside medical supervision raises concerns regarding potential misuse or abuse.[3][8][16] Research on the cognitive enhancement effects of modafinil in non-sleep-deprived individuals has yielded mixed results, with some studies suggesting modest improvements in attention and executive functions, while others show no significant benefits or even a decline in cognitive functions.[17][18]

  1. ^ a b "TGA eBS - Product and Consumer Medicine Information Licence". Archived from the original on February 28, 2024. Retrieved February 28, 2024.
  2. ^ a b c Cite error: The named reference modafinil-schedule-IV-1999 was invoked but never defined (see the help page).
  3. ^ a b c d e f g "Modafinil Monograph for Professionals". Drugs.com. American Society of Health-System Pharmacists. September 23, 2023. Archived from the original on March 30, 2019. Retrieved February 3, 2024.
  4. ^ "FDA-sourced list of all drugs with black box warnings (Use Download Full Results and View Query links.)". nctr-crs.fda.gov. FDA. Retrieved October 22, 2023.
  5. ^ "RDC Nº 784 – Listas de Substâncias Entorpecentes, Psicotrópicas, Precursoras e Outras sob Controle Especial" [Collegiate Board Resolution No. 784 – Lists of Narcotic, Psychotropic, Precursor, and Other Substances under Special Control] (in Brazilian Portuguese). Diário Oficial da União (published April 4, 2023). March 31, 2023. Archived from the original on August 3, 2023. Retrieved August 3, 2023.
  6. ^ "Modafinil Product information". Health Canada. April 25, 2012. Archived from the original on June 10, 2022. Retrieved June 10, 2022.
  7. ^ "Modafinil Provigil 100 mg Tablets – Summary of Product Characteristics (SMPC) – (Emc)". emc. June 9, 2021. Archived from the original on December 2, 2023. Retrieved December 1, 2023.
  8. ^ a b c d e f "Provigil- modafinil tablet". DailyMed. November 30, 2018. Archived from the original on June 10, 2022. Retrieved June 10, 2022.
  9. ^ a b Robertson P, Hellriegel ET (2003). "Clinical pharmacokinetic profile of modafinil". Clinical Pharmacokinetics. 42 (2): 123–137. doi:10.2165/00003088-200342020-00002. PMID 12537513. S2CID 1266677.
  10. ^ Cite error: The named reference pmid22375280 was invoked but never defined (see the help page).
  11. ^ Robertson P, DeCory HH, Madan A, Parkinson A (June 2000). "In vitro inhibition and induction of human hepatic cytochrome P450 enzymes by modafinil". Drug Metabolism and Disposition. 28 (6): 664–671. PMID 10820139.
  12. ^ a b "Modafinil". MedlinePlus. US National Library of Medicine. February 15, 2016. Archived from the original on December 7, 2023. Retrieved February 3, 2024.
  13. ^ Kaplan S, Braverman DL, Frishman I, Bartov N (February 2021). "Pregnancy and Fetal Outcomes Following Exposure to Modafinil and Armodafinil During Pregnancy". JAMA Internal Medicine. 181 (2): 275–277. doi:10.1001/jamainternmed.2020.4009. PMC 7573789. PMID 33074297.
  14. ^ Cite error: The named reference economist-2008-05-22 was invoked but never defined (see the help page).
  15. ^ Cite error: The named reference Slotnik-2017 was invoked but never defined (see the help page).
  16. ^ Cite error: The named reference pmid30285371 was invoked but never defined (see the help page).
  17. ^ Cite error: The named reference pmid36056861 was invoked but never defined (see the help page).
  18. ^ Cite error: The named reference pmid32341841 was invoked but never defined (see the help page).

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