NCCN Guidelines® Recommend NovoTTF™ Therapy as a Standard Treatment Option for CNS Cancers Important announcement: the standard of care for GBMs has just been changed to include the use of the Novocure device at recurrence. For more details on the Novocure device, first view the video on our home page at virtualtrials.com then from the menu at the top of the page, click LEARN ABOUT then NOVOCURE. We have many of the research papers that were published about it, as well as a link to the list of doctors who are certified to prescribe it!