Supriya Ghosh (Editor)

Aniracetam

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Routes ofadministration
  
By mouth

Biological half-life
  
1–2.5 hours

CAS ID
  
72432-10-1

ATC code
  
N06BX11 (WHO)

Molar mass
  
219.237 g/mol

Aniracetam

Trade names
  
Ampamet, Memodrin, Pergamid

AHFS/Drugs.com
  
International Drug Names

Legal status
  
US: Not approvedUnscheduled

Aniracetam an underrated extremely powerful smart drug


Aniracetam (Draganon, Sarpul, Ampamet, Memodrin, Referan), also known as N-anisoyl-2-pyrrolidinone, is an ampakine nootropic of the racetam chemical class purported to be considerably more potent than piracetam. It is lipid-soluble and has possible cognition-enhancing effects. It has been tested in animals extensively, Alzheimer's patients, and temporarily impaired healthy subjects. It has shown potential as an anxiolytic in three clinical animal models. It is sold in Europe as a prescription drug, but it is not approved by the Food and Drug Administration for use in the United States.

Contents

Episode 83 aniracetam first of the ampakines


Pharmacology

Aniracetam has also been shown to positively modulate the AMPA receptor and was used as the parent compound to derive a class of drugs known as the ampakines that are being investigated as nootropics and neuroprotective drugs for the treatment of Alzheimer's disease and other neurodegenerative conditions.

After a confirmed test of the anxiolytic efficacy in a mouse model, haloperidol, mecamylamine, and ketanserin were applied to determine the pathways aniracetam depends on to exert its anti-anxiety effects. Haloperidol completely reversed the anxiolytic effects, and mecamylamine and ketanserin nearly completely reversed the effects. These respectively suggest that aniracetam's anxiolytic mechanism may be mediated through D2, nAChR, and/or 5-HT2A receptor activity.

The main metabolite of aniracetam (70–80%), N-anisoyl-GABA, reproduces many of the effects of aniracetam. 2-Pyrrolidinone and p-anisic acid are additional metabolites of the drug (20–30%), both of which are also active.

Synthesis

The drug was first made in the 1970s by Hoffmann-La Roche. Synthesis can be accomplished by reacting 2-pyrrolidone with anisoyl chloride in the presence of triethylamine.

Alternatively, gamma-aminobutyric acid can react with anisoyl chloride. Ring closure can be accomplished in the presence of thionyl chloride.

Pharmacokinetics

When ingested orally aniracetam is quickly broken down via first pass hepatic metabolism. The primary metabolites of aniracetam are N-anisoyl-GABA, 2-pyrrolidone, and anisic acid. Plasma concentrations are generally in the 5–15 μg/L range for aniracetam and 5–15 mg/L range for N-anisoyl-GABA, a pharmacologically-active metabolite, during the first few hours after oral administration of the drug. These two plasma species may be measured by liquid chromatography-mass spectrometry.

References

Aniracetam Wikipedia


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