Updates in Hypertension Studies According to the Main Clinical Trials: A Review of the Past 45 Years about Pharmaceutical Intervention Effects.

Randomized clinical trials conducted on hypertension in people older than 50 years of age show variability in the inclusion criteria. Variability in the antihypertensive drugs used was observed in this population. Blood pressure figures were reduced in all cases, although without statistically significant differences in morbidity and/or mortality risk reduction.