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Talampanel

From Wikipedia, the free encyclopedia
Chemical compound

Pharmaceutical compound
Talampanel
Clinical data
ATC code
  • none
Legal status
Legal status
  • Investigational
Identifiers
  • (8R)-7-Acetyl-5-(4-aminophenyl)-8,9-dihydro-8-methyl-7H-1,3-dioxolo[4,5-h][2,3]benzodiazepine
CAS Number
PubChemCID
ChemSpider
UNII
ChEMBL
CompTox Dashboard(EPA)
ECHA InfoCard100.230.001Edit this at Wikidata
Chemical and physical data
FormulaC19H19N3O3
Molar mass337.379 g·mol−1
3D model (JSmol)
  • Nc4ccc(cc4)C(=NN2C(=O)C)c3cc1OCOc1cc3CC2C
  • InChI=1S/C19H19N3O3/c1-11-7-14-8-17-18(25-10-24-17)9-16(14)19(21-22(11)12(2)23)13-3-5-15(20)6-4-13/h3-6,8-9,11H,7,10,20H2,1-2H3/t11-/m1/s1 ☒N
  • Key:JACAAXNEHGBPOQ-LLVKDONJSA-N ☒N
 ☒NcheckY (what is this?)  (verify)

Talampanel (INN; development codesGYKI 537773 andLY300164) is adrug which has been investigated for the treatment ofepilepsy,[1][2]malignant gliomas,[3] andamyotrophic lateral sclerosis (ALS).[4]

As of May 2010, results from the trial for ALS have been found negative.[5] Talampanel is not currently under development.

Talampanel acts as anon-competitive antagonist of theAMPA receptor, a type ofionotropic glutamate receptor in thecentral nervous system.[6]

It showed effectiveness for epilepsy in clinical trials but its development was suspended due to its poorpharmacokinetic profile, namely a shortterminal half-life (3 hours) that necessitated multiple doses per day.[7]

References

[edit]
  1. ^Luszczki JJ (2009). "Third-generation antiepileptic drugs: mechanisms of action, pharmacokinetics and interactions".Pharmacological Reports.61 (2):197–216.doi:10.1016/s1734-1140(09)70024-6.PMID 19443931.S2CID 72918370.
  2. ^Bialer M, Johannessen SI, Kupferberg HJ, Levy RH, Perucca E, Tomson T (January 2007). "Progress report on new antiepileptic drugs: a summary of the Eigth [sic] Eilat Conference (EILAT VIII)".Epilepsy Research.73 (1):1–52.doi:10.1016/j.eplepsyres.2006.10.008.PMID 17158031.S2CID 45026113.
  3. ^Iwamoto FM, Kreisl TN, Kim L, Duic JP, Butman JA, Albert PS, Fine HA (April 2010)."Phase 2 trial of talampanel, a glutamate receptor inhibitor, for adults with recurrent malignant gliomas".Cancer.116 (7):1776–1782.doi:10.1002/cncr.24957.PMC 2846997.PMID 20143438.
  4. ^Pascuzzi RM, Shefner J, Chappell AS, Bjerke JS, Tamura R, Chaudhry V, et al. (May 2010). "A phase II trial of talampanel in subjects with amyotrophic lateral sclerosis".Amyotrophic Lateral Sclerosis.11 (3):266–271.doi:10.3109/17482960903307805.PMID 19961264.S2CID 7388452.
  5. ^"Talampanel Trial".alsa.org. May 2010. Archived fromthe original on 2011-03-23.
  6. ^Aujla PK, Fetell MR, Jensen FE (April 2009)."Talampanel suppresses the acute and chronic effects of seizures in a rodent neonatal seizure model".Epilepsia.50 (4):694–701.doi:10.1111/j.1528-1167.2008.01947.x.PMC 2672962.PMID 19220413.
  7. ^Lee K, Goodman L, Fourie C, Schenk S, Leitch B, Montgomery JM (2016). "AMPA Receptors as Therapeutic Targets for Neurological Disorders".Ion Channels as Therapeutic Targets, Part A. Advances in Protein Chemistry and Structural Biology. Vol. 103. pp. 203–261.doi:10.1016/bs.apcsb.2015.10.004.ISBN 9780128047941.PMID 26920691.
AMPARTooltip α-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor
KARTooltip Kainate receptor
NMDARTooltip N-Methyl-D-aspartate receptor
1,4-Benzodiazepines
1,5-Benzodiazepines
2,3-Benzodiazepines*
Triazolobenzodiazepines
Imidazobenzodiazepines
Oxazolobenzodiazepines
Thienodiazepines
Thienotriazolodiazepines
Thienobenzodiazepines*
Pyridodiazepines
Pyridotriazolodiazepines
Pyrazolodiazepines
Pyrrolodiazepines
Tetrahydroisoquinobenzodiazepines
Pyrrolobenzodiazepines*
Benzodiazepine prodrugs
* atypical activity profile (notGABAA receptor ligands)
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