Key points from article :
Inclisiran a new drug could cut bad cholesterol levels in half within weeks.
Silences PCSK9 gene so makes the liver absorb more 'bad' cholesterol from blood and breaks it down.
Will be administered as a twice-a-year injection.
Would prevent 55,000 heart attacks and strokes each year for every 300,000 patients treated.
NHS plans to conduct a large clinical trial starting from later this year.
Pre-clinical trials were presented at the European Society of Cardiology last year.