Combination treatment with cholesterol and blood pressure lowering drugs reduces the risk of heart attacks and strokes by about 2/3rds, providing that treatment is taken long-term. About 50% of patients prescribed such drugs, however, do not adhere to them, substantially reducing the potential for prevention and increasing costs.
About 90% of people own a mobile telephone. Mobile phone text messages are a potential means of improving adherence to preventive treatment by reminding patients to take their drugs and identifying those who do not, so assistance can be offered as it is required.
The INTERACT Trial is a randomised multi-centre trial assessing the value of automated text messages on adherence to cholesterol or blood pressure lowering medications.
Self-reported adherence, together with blood cholesterol and blood pressure levels will be recorded after 6 and 18 months from enrolment in patients who are randomly allocated to receive text messages and patients who are not, to determine the short and long-term effects of this intervention and its value in the prevention of cardiovascular disease.
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