IDRA-21

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IDRA-21
200px
Systematic (IUPAC) name
7-chloro-3-methyl-3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide
Legal status
Legal status
  • Investigational New Medicine
Identifiers
CAS Number 22503-72-6
PubChem CID 3688
Synonyms IDRA-21
Chemical data
Formula C8H9ClN2O2S
Molar mass 232.68726 g/mol[[Script error: No such module "String".]]
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IDRA-21 is an ampakine drug derived from aniracetam. IDRA-21 is a chiral molecule, with (+)-IDRA-21 being the active form.[1]

IDRA-21 shows nootropic effects in animal studies, significantly improving learning and memory. It is around 10-30x more potent than aniracetam in reversing cognitive deficits induced by alprazolam or scopolamine,[2][3] and produces sustained effects lasting for up to three days after a single dose.[4] The mechanism for this action is thought to be through promoting the induction of long-term potentiation between synapses in the brain.[5]

IDRA-21 does not produce neurotoxicity under normal conditions,[6] although it may worsen neuronal damage following global ischemia after stroke or seizures.[7]

In comparison to the benzoylpiperidine derived ampakine drugs, IDRA-21 was more potent than CX-516, but less potent than CX-546.[8] Newer benzothiadiazide derivatives with greatly increased potency compared to IDRA-21 have been developed,[9][10] but these have not been researched to the same extent, with the benzoylpiperidine and benzoylpyrrolidine CX- series of drugs being favoured for clinical development, most likely due to more favourable toxicity profiles at high doses.[11]


See also


References

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Psychostimulants, agents used for ADHD, and nootropics (N06B)
Centrally acting sympathomimetics
Xanthine derivatives
Glutamate receptor
CX-516 • CX-546 • CX-614 • CX-691 • CX-717 • IDRA-21 • LY-404,187 • LY-503,430 • PEPA • S-18986 • Sunifiram • Unifiram
Eugeroics / Benzhydryl compounds
Histamine H3 receptor antagonists
GABAA α5 inverse agonists
Dopamine D1 receptor agonists
α7 nicotinic agonists / PAMs
Prolyl endopeptidase inhibitors
Other psychostimulants and nootropics

M: PSO/PSI

dsrd (o, p, m, p, a, d, s), sysi/epon, spvo

proc, drug(N5A/5B/5C/6A/6B/6D)


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