Interesting story. It appears delivery is also an issue with their treatment, since they're injecting it directly into tumors, which may limit it's usefulness. Also of interest was a big article in Sunday's San Diego Union (home of Qualcomm),
about how China has a big campain on to get away from paying royalties to foreign companies, QCOM being one example, and MSFT being another. They are trying to do this by developing similar but modified technologies that they call their own.