Hypertension is a major health problem especially because it has no obvious symptoms.

Sixteen million adults in the UK have high blood pressure and over five million of them do not know it Hypertension is a substantial risk factor for developing a serious cardiovascular disease such as stroke or heart disease and commonly affects one in three adults in England.

There are a variety of antihypertensive agents presently prescribed and the response to treatment needs to be regularly reviewed. Studies conducted on site have assessed efficacy and safety of medication at varying doses in hypertensive subjects.

Other studies are comparator in style comparing monotherapy with combination antihypertensives.The subject’s response is reviewed from several aspects including monitoring onsite, self monitoring at home and using 24hour taping of blood pressure.