losartan metabolite

What it isAldehyde intermediate in losartan metabolism, with no AT1 activity but PPAR-gamma and COX-2 effects.
Why it mattersMay account for anti-inflammatory effects of losartan that AT1 blockade does not explain.
What it changesLosartan is not a pure prodrug: three species with different actions circulate together.
NO BOXED WARNINGS
Principal riskLittle in its own right; see the parent drug
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