Antihypertensive action of drug combination: Timolol, hydralazine, hydrochlorothiazide and triamterene.

A fixed combination tablet containing 5 mg of timolol, 25 mg of hydralazine, 25 mg of hydrochlorothiazide and 37.5 mg of triamterene was prepared and its antihypertensive effect compared with placebo in a randomized double-blind cross-over study lasting 16-20 weeks. 37 patients entered the study and 32 of them completed it.

The effect of amiloride/hydrochlorothiazide combination vs furosemide plus potassium supplementation in the treatment of oedema of cardiac origin.

In this double-blind multicentre study efficacy and safety of amiloride/hydrochlorothiazide (A/HCTH) combination and furosemide plus potassium supplementation (FUR/P) was compared after four weeks basal period -- FUR/P period. 43 patients entered the double-blind period which lasted for ten weeks. Congestive heart failure was well controlled in both of those treatment groups.