This looks like the first realistic possibility of treatment for Gliobalstomas.
http://www.forbes.com/sites/davidkroll/2015/03/30/60-minutes-covers-dukes-polio-virus-clinical-trial-against-glioblastoma/#1822d22869b5
The 60 minutes show is available online
http://www.cbsnews.com/news/polio-cancer-treatment-duke-university-60-minutes-scott-pelley/
http://www.cbsnews.com/news/polio-cancer-treatment-duke-university-60-minutes-scott-pelley/