Medicenna’s Immunotherapy Phase 2b Trial Underway Using Brainlab Drug Delivery Technology [Disclosure - this company is a sponsor of the Musella Foundation| It looks like the technology to get the drug in the correct spot at the right concentration is finally here. Follow the link in the press release to the background info on the delivery system. And this may be the right drug to use. In an earlier study, in recurrent GBM patients, they had a few complete responders, with some still alive 4 years later.