Sensitivity Of Trials

Definitive therapeutic trials are expensive and tedious and may be so prolonged that aspects of treatment have been superseded by the time a result is obtained. A single trial, however well-designed, executed and analysed, can only answer the question addressed. The Regulatory Authorities give guidance as to the number and design of trials that, if successful, would lead to a therapeutic claim. But changing clinical practice in the longer term depends on many other factors, of which confirmatory trials in other centres by different investigators under different conditions are an important part.

Blood Pressure Health

Blood Pressure Health

Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...

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