TABLE 1. Summary of randomized controlled antihypertensive trials in which plasma aldosterone (PA) was measured before and after treatment with a placebo/diuretic in 1 or more arms or treatment phases. SPIRO = spironolactone, HCTZ = hydrochlorothiazide, CAN = canrenone, CLTD = chlortalidone, FURO = furosemide, INDA = indapamide, E = Eplerenone, AMIL = amiloride, TIE = tienilic acid. * = more than one result in the same study.