EGFR and glioblastoma: In addition, 3 phase I trials are currently recruiting patients diagnosed with GBM for treatment studies of radio- and/or chemotherapy combined with nelfinavir, a protease inhibitor that interferes with AKT activity [57] downstream of EGFR, Trial #s NCT00915694, NCT01020292, NCT00694837 http://clinicaltrials.gov.