Difenoxin

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Image:Difenoxin.png
Difenoxin
Systematic (IUPAC) name
1-[3-cyano-3,3-di(phenyl)propyl]-4-phenylpiperidine-4-carboxylic acid
Identifiers
CAS number 35607-36-4
ATC code  ?
PubChem 34328
Chemical data
Formula C28H28N2O2 
Mol. mass 424.53 g/mol
Synonyms Difenoxin, Motofen
Pharmacokinetic data
Bioavailability  ?
Metabolism  ?
Half life  ?
Excretion  ?
Therapeutic considerations
Pregnancy cat.

?

Legal status

Schedule I(US)

Routes  ?

Difenoxin (Motofen) is a 4-phenylpiperidine derivative that is related to the opioid analgesic drug pethidine (meperidine).

Difenoxin is an active metabolite of the anti-diarrhea drug diphenoxylate.[1] It is not used by itself and is a Schedule I drug in the USA, however in some countries a combination product containing difenoxin and atropine is used to treat diarrhea, in a similar way to how diphenoxylate itself is used.[1]

Difenoxin also has some sedative and analgesic effects as with other opioids, but diphenoxylate itself is a relatively weak analgesic, and difenoxin has similarly limited analgesic effects, although it is a potent anti-diarrhoreal drug. Research suggests that additional non-opioid mechanisms may also be involved in the action of difenoxin, explaining its strong anti-diarrhoreal effects despite only limited opioid action.[1]




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