Arbidol

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Arbidol
Arbidol.png
Clinical data
Pregnancy
category
  • N/A
Routes of
administration
oral
ATC code
Legal status
Legal status
  • N/A
Pharmacokinetic data
BioavailabilityN/A
MetabolismN/A -
Elimination half-life17-21 hours
Excretionrenal
Identifiers
CAS Number
PubChem CID
DrugBank
E number{{#property:P628}}
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Chemical and physical data
FormulaC22H28BrClN2O4S
Molar mass531.891 g/mol

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Arbidol) is an antiviral drug manufactured by Masterlek in Moscow, Russia.

Chemically, Arbidol features an indole core, functionalized at all positions but one with different substituents.

Uses

It is an alternative to Tamiflu (manufactured by Roche Pharmaceuticals) used in the fight against avian influenza. Its antiviral inhibitory effect is still being tested and the current results range from being well accepted in pharmaceutical industry to accepted with a dose of suspicion.

The drug has mainly been tested in Russia[1] and China,[2] and has been shown to be effective against avian flu,[3] suggesting it might be a more affordable and cost-effective drug than the widely used Tamiflu.

There is some evidence that it may be more effective at preventing infections from RNA viruses than from DNA viruses.[4]

It has also been investigated as a candidate drug against hepatitis C.[5]

Mechanism of action

The drug exhibits immunomodulation[6] as well as a specific anti-influenza action against the influenza A and influenza B viruses.

It prevents contact between the virus and host cells and penetration of virus particles into the cell by inhibiting the fusion of the virus lipid shell to the cell membranes. [7]

It possesses interferon inducing action, by stimulating the humoral reaction and the phagocytic function of macrophages.

Dosage forms

The drug is manufactured in the form of tablets and capsules, each tablet containing Arbidol® as its active ingredient (50 mg and 100 mg).

Pharmacokinetics and usage

Side effects in children include sensitization to the drug. No known overdose cases have been reported and allergic reactions are limited to people with hypersensitivity.

References

  1. Leneva IA, Fediakina IT, Gus'kova TA, Glushkov RG (2005). "[Sensitivity of various influenza virus strains to arbidol. Influence of arbidol combination with different antiviral drugs on reproduction of influenza virus A]". Ter. Arkh. (in Russian). 77 (8): 84–8. PMID 16206613.
  2. Wang MZ, Cai BQ, Li LY; et al. (2004). "[Efficacy and safety of arbidol in treatment of naturally acquired influenza]". Zhongguo Yi Xue Ke Xue Yuan Xaue Bao (in Chinese). 26 (3): 289–93. PMID 15266832.
  3. "Works as well as Tamiflu". Retrieved 2008-02-22.
  4. Shi L, Xiong H, He J; et al. (2007). "Antiviral activity of arbidol against influenza A virus, respiratory syncytial virus, rhinovirus, coxsackie virus and adenovirus in vitro and in vivo". Arch. Virol. 152 (8): 1447–55. doi:10.1007/s00705-007-0974-5. PMID 17497238.
  5. Pécheur EI, Lavillette D, Alcaras F; et al. (2007). "Biochemical mechanism of hepatitis C virus inhibition by the broad-spectrum antiviral arbidol". Biochemistry. 46 (20): 6050–9. doi:10.1021/bi700181j. PMID 17455911.
  6. Glushkov RG, Gus'kova TA, Krylova LIu, Nikolaeva IS (1999). "[Mechanisms of arbidole's immunomodulating action]". Vestn. Akad. Med. Nauk SSSR (in Russian) (3): 36–40. PMID 10222830.
  7. Boriskin YS, Pécheur EI, Polyak SJ (2006). "Arbidol: a broad-spectrum antiviral that inhibits acute and chronic HCV infection". Virol. J. 3: 56. doi:10.1186/1743-422X-3-56. PMID 16854226.

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