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Clinical Trial
. 1984 Dec 1;289(6457):1492-4.
doi: 10.1136/bmj.289.6457.1492.

Influence of non-steroidal anti-inflammatory drugs on diuretic treatment of mild to moderate essential hypertension

Clinical Trial

Influence of non-steroidal anti-inflammatory drugs on diuretic treatment of mild to moderate essential hypertension

P P Koopmans et al. Br Med J (Clin Res Ed). .

Abstract

In an open triple crossover study in 10 patients with mild to moderate essential hypertension the influence was investigated of adding indomethacin 50 mg, naproxen 250 mg, or sulindac 200 mg, each twice daily for four weeks, to diuretic treatment with hydrochlorothiazide 50 mg a day. After two weeks' treatment with indomethacin a slight increase in blood pressure was observed, whereas both sulindac and naproxen tended to enhance the antihypertensive effect of hydrochlorothiazide. After treatment for four weeks, however, the effects of all three drugs on blood pressure appeared to be blunted. Furthermore, body weight increased significantly during treatment with indomethacin but not during treatment with naproxen or sulindac. No significant changes were found for various biochemical variables, including concentrations of plasma electrolytes and serum creatinine and albumin, plasma renin activity, plasma aldosterone concentration, and 24 hour urinary excretion of sodium and potassium, with the exception, however, of an increase in plasma potassium concentration during treatment with indomethacin. These observations suggest that the interaction of indomethacin, naproxen, and sulindac with diuretic treatment in mild to moderate essential hypertension is transient and of minor clinical importance.

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