How will NICE's budget impact test affect new drug availability?

NICE's budget impact test - in which new drugs that will have a net impact of £20 million or more in any one of their first three years of use will trigger commercial negotiations between NHS England and the drug company - was introduced in April, amid much controversy. Many argue the threshold is too low and will have an unacceptable impact on the availability of new medicines. [ABSTRACT FROM AUTHOR]