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Efaproxiral

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Efaproxiral
Efaproxiral.png
Clinical data
ATC code
Pharmacokinetic data
Elimination half-life1 hr
Identifiers
CAS Number
PubChem CID
ChemSpider
UNII
ChEMBL
E number{{#property:P628}}
CompTox Dashboard (EPA)
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Chemical and physical data
FormulaC20H23NO4
Molar mass341.40 g/mol g·mol−1
3D model (JSmol)
 ☒NcheckY (what is this?)  (verify)

Efaproxiral (INN) is an analogue of the cholesterol drug bezafibrate developed for the treatment of depression, traumatic brain injury, ischemia, stroke, myocardial infarction, diabetes, hypoxia, sickle cell disease, hypercholesterolemia and as a radio sensitiser.[1][2][3] The chemical is a propanoic acid in the class of amphipathic carboxylic acids. Most propanoic acid produced is consumed as a preservative for both animal feed and food for human consumption. One use for efaproxiral is to increase the efficacy of certain chemotherapy drugs which have reduced efficacy against hypoxic tumours, and can thus be made more effective by increased offloading of oxygen into the tumour tissues.[4][5][6] No benefit was seen for efaproxiral in phase III clinical trials.[7] The increased oxygenation of tissues could theoretically also produce enhanced exercise capacity in feline, rat and canine models for approximately 100 min. immediately after a high dosage 45 min. intravenous infusion.[8] This has led World Anti-Doping Agency to categorise efaproxiral under a prohibited method to artificially enhance the uptake, transport or delivery of oxygen.[9] There is no existing evidence that efaproxiral can effectively enhance performance in humans.[10] Efaproxiral can be absorbed via transdermal, rectal, inhalation and gastrointestinal routes, though not at plasma concentrations great enough to alter the oxygen-haemoglobin dissociation curve.[11] Efaproxiral is explicitly excluded from the 2012 World Anti-Doping Agency list of Prohibited Substances and is explicitly included in the Prohibited Methods section M1 as a forbidden procedure to alter the oxygen-haemoglobin dissociation curve in order to allosterically modify haemoglobin.[12]

References



Latest research - Efaproxiral

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