Traxoprodil

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Traxoprodil
Traxoprodil.svg
Clinical data
Other namesCP-101606; CP-98113
ATC code
  • None
Identifiers
  • (1S,2S)-1-(4-hydroxyphenyl)-2-(4-hydroxy-4-phenylpiperidino)-1-propanol
CAS Number
PubChem CID
IUPHAR/BPS
ChemSpider
UNII
KEGG
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard 100.222.813 OOjs UI icon edit-ltr-progressive.svg
Chemical and physical data
Formula C20H25NO3
Molar mass 327.424 g·mol−1
3D model (JSmol)
  • C[C@@H]([C@H](C1=CC=C(C=C1)O)O)N2CCC(CC2)(C3=CC=CC=C3)O
  • InChI=1S/C20H25NO3/c1-15(19(23)16-7-9-18(22)10-8-16)21-13-11-20(24,12-14-21)17-5-3-2-4-6-17/h2-10,15,19,22-24H,11-14H2,1H3/t15-,19+/m0/s1 Yes check.svgY
  • Key:QEMSVZNTSXPFJA-HNAYVOBHSA-N Yes check.svgY
   (verify)

Traxoprodil (developmental code name CP-101606) is a drug developed by Pfizer which acts as an NMDA antagonist, selective for the NR2B subunit. [1] [2] It has neuroprotective, [3] analgesic, [4] and anti-Parkinsonian effects in animal studies. [5] [6] Traxoprodil has been researched in humans as a potential treatment to lessen the damage to the brain after stroke, [7] [8] [9] [10] but results from clinical trials showed only modest benefit. [11] The drug was found to cause EKG abnormalities (QT prolongation) and its clinical development was stopped. [12] More recent animal studies have suggested traxoprodil may exhibit rapid-acting antidepressant effects similar to those of ketamine, [13] although there is some evidence for similar psychoactive side effects and abuse potential at higher doses, [14] which might limit clinical acceptance of traxoprodil for this application.

Traxoprodil showed ketamine-like rapidly-acting antidepressant effects in a small clinical trial of 30 patients with depression who were non-responders to 6 weeks of paroxetine treatment. [15] The response rate was 60%, relative to 20% for placebo, and 33% of the participants met remission criteria by day five following a single administration. [15] After one week, 78% of responders still showed an antidepressant response, and after 15 days, 42% did so. [15] In the study, half of the participants had to have their dose lowered due to a high incidence of dissociative side effects at the higher doses. [15] Development was stopped due to incidence of QTc prolongation. [15] Other NR2B subunit-selective antagonists of the NMDA receptor are still under development for depression, such as rislenemdaz (CERC-301, MK-0657). [15]

Chemically, traxoprodil is a substituted phenethylamine and β-hydroxyamphetamine derivative. [16]

See also

Related Research Articles

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<span class="mw-page-title-main">AP5</span> Chemical compound

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<span class="mw-page-title-main">CNQX</span> Chemical compound

CNQX or cyanquixaline (6-cyano-7-nitroquinoxaline-2,3-dione) is a competitive AMPA/kainate receptor antagonist. Its chemical formula is C9H4N4O4. CNQX is often used in the retina to block the responses of OFF-bipolar cells for electrophysiology recordings.

<span class="mw-page-title-main">Felbamate</span> Chemical compound

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<span class="mw-page-title-main">NMDA receptor antagonist</span> Class of anesthetics

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<span class="mw-page-title-main">GRIN3A</span> Protein-coding gene in the species Homo sapiens

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<span class="mw-page-title-main">GRIN2D</span> Protein-coding gene in the species Homo sapiens

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<span class="mw-page-title-main">Selfotel</span> Chemical compound

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<span class="mw-page-title-main">7-Chlorokynurenic acid</span> Chemical compound

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References

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