Trasidrex (a fixed combination of slow Trasicor 16o mg and Navidrex 0.25mg) in the treatment of hypertension: a multicentre clinical trial in general practice.

Sixty-two patients with hypertension who were treated with a free combination of Slow Trasicor or Trasicor and Navidrex K were transferred to a fixed combination tablet, Trasidrex (slow oxprenolol 160 mg + cyclopenthiazide 0.25 mg). Blood pressure control was marginally improved and there was no increase in side-effects.