A long standing drug called Dexamthasone - a cheap anti -inflammatory steroid - can save lives. Oxford University researchers say the drug could have saved 5,000 lives in Britain alone. It turns out that South Africa has had the drug all along. A version of it called Decasone is made by Aspen. It is a schedule four prescription drug that is injected to ease inflammation for ailments like arthritis. Aspen CEO, Stephen Saad spoke to CNBC Africa for more.