CANCER THERAPY:
Heavy Ions Pack Powerful Punch
Dennis Normile
CHIBA, JAPAN--A high-stakes experiment in cancer therapy appears to be paying significant short-term dividends for dozens of patients. A team of researchers at a recent conference here presented preliminary results indicating that expensive treatments with beams of carbon ions showed promise against a variety of tumors that had been considered untreatable or had resisted previous treatments. But questions remain about the long-term efficacy of the approach, as well as about its value for money.