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Deprecated: Implicit conversion from float 243.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Clin+Pharmacol+Ther 1985 ; 37 (1): 61-5 Nephropedia Template TP
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Blood pressure lowering and potassium conservation by triamterene-hydrochlorothiazide and amiloride-hydrochlorothiazide in hypertension #MMPMID3880686
Maxwell MH; Brachfeld J; Itskovitz H; Lunn JA; Moser M; Zawada ET
Clin Pharmacol Ther 1985[Jan]; 37 (1): 61-5 PMID3880686show ga
Effects of once-daily doses of 50 mg triamterene with 25 mg hydrochlorothiazide and 5 mg amiloride with 50 mg hydrochlorothiazide were compared in a randomized, multicenter study of 84 adult subjects with mild to moderate hypertension (diastolic blood pressure 90 to 114 mm Hg). After a 3-wk placebo lead-in period, the subjects entered a 6-wk treatment period. The two drug regimens were compared with respect to antihypertensive effects and effects on serum potassium and magnesium levels during the final week of drug therapy, with the use of the last week of placebo therapy as a covariate. Both drug regimens substantially reduced mean supine systolic and diastolic blood pressures to well within normal limits; there was no significant difference the two groups. Twenty-four of the 41 subjects receiving triamterene-hydrochlorothiazide (59%) and 29 of the 43 patients receiving amiloride-hydrochlorothiazide (67%) had diastolic blood pressure less than 90 mm Hg at week 9. Five subjects receiving amiloride-hydrochlorothiazide (12%) and two subjects receiving triamterene-hydrochlorothiazide (5%) had hypokalemia (serum potassium level less than 3.5 mEq/l) at week 9. The average decrease in serum potassium levels during amiloride-hydrochlorothiazide therapy (-0.33 +/- 0.08 mEq/l) was greater than that after triamterene-hydrochlorothiazide (- 0.08 +/- 0.07 mEq/l). Serum magnesium levels were not changed by either regimen. Weight loss was greater in the amiloride-hydrochlorothiazide group than in the triamterene-hydrochlorothiazide group.(ABSTRACT TRUNCATED AT 250 WORDS)