Chemistry:Propyphenazone

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Short description: Chemical compound
Propyphenazone
Propyphenazone-2d-skeletal.png
Clinical data
AHFS/Drugs.comInternational Drug Names
Routes of
administration
Oral
ATC code
Identifiers
CAS Number
PubChem CID
ChemSpider
UNII
ChEBI
ChEMBL
Chemical and physical data
FormulaC14H18N2O
Molar mass230.311 g·mol−1
3D model (JSmol)
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Saridon (Combination drug with Propyphenazone) from Hoffman-La Roche, ca. 1950/60

Propyphenazone (known as isopropylantipyrine in Japan)[1] is a derivative of phenazone[2] with similar analgesic and antipyretic effects. Originally patented in 1931,[3] propyphenazone is marketed as a combination formulation with paracetamol and caffeine for treatment of primary headache disorder.[4]

Serious adverse events

Case reports have described acute inferior-wall myocardial infarctions characterized by low atrial rhythms[vague] (Kounis syndrome) secondary to propyphenazone use.[5]

Excerpt from WHO comments

Propyphenazone, a pyrazolone derivative with anti-inflammatory, analgesic and antipyretic activity, was introduced in 1951 for the treatment of rheumatic disorders. As it is structurally related to aminophenazone it has been associated with severe blood dyscrasias. However, it cannot be transformed into potentially carcinogenic nitrosamines and has therefore been widely used as a replacement drug for aminophenazone. In certain countries, products containing propyphenazone have now been restricted in their indications, whereas in others they are still available, sometimes as over-the-counter preparations.[6]

Banned


See also

  • Propyphenazone/paracetamol/caffeine

References