Is new Aussie hypertension combo too good to be true?

A small but clinically important trial of a new Australian-made ultra-low dose four-in-one pill to treat high blood pressure has produced remarkable results, say researchers.

The quadpill —a capsule containing four blood pressure-lowering drugs each at quarter-dose (irbesartan 37·5 mg, amlodipine 1·25 mg, hydrochlorothiazide 6·25 mg, and atenolol 12·5 mg)  -- brought blood pressure levels to less than 140/90 mm Hg in 100% of the trial participants within four weeks.