Indacrinone
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Indacrinone is a loop diuretic. It can be used in patients of gout with hypertension as an antihypertensive because it decreases reabsorption of uric acid,[1] while other diuretics increase it.
Chirality and biological activity
Indacrinone is a
As indicated earlier, the (R)- enantiomer is the pharmacologically active diuretic. Like most other diuretics, the (R)-isomer possesses an undesirable side-effect of retaining uric acid. But the (S)-enantiomer, the distomer, has the property of assisting uric acid secretion (uricosuric effect), and, therefore, antagonizing the undesirable side-effects of the eutomer (uric-acid retention).[2][3] It affords a good argument for the marketing of a racemic mixture. But studies exemplify that 9:1 mixture of the two enantiomers provides optimal therapeutic value.[4]