When traditional treatments failed to stop this patient's tumor from growing, he enrolled in a clinical trial at Florida Hospital's Cancer Institute where doctors administered purified venom protein from the Giant Yellow Israeli Scorpion

Doctors in the United States are testing a possible breakthrough treatment for brain cancer. Scorpion venom has been administered to dozens of patients at four hospitals after researchers found that the agent selectively attached to tumor cells while sparing normal cells.  Steve Mort reports for VOA on one clinical trial-taking place at a Florida hospital.