Mae'r claf cyntaf erioed wedi cael ei gofrestru ar gyfer cam III hollbwysig y treial clinigol ar gyfer cyffur arloesol gan Brifysgol Caerdydd a allai roi gobaith i filiynau o bobl sy'n dioddef o'r eryr (shingles).
The potential impact of a new cancer drug, designed to stop patients becoming resistant to common therapies in treating cancer of the lung, ovary, breast, colon and pancreas.