Mustang Bio Granted Orphan Drug Designation by U.S. FDA for MB-108 (HSV-1 oncolytic virus) to Treat Malignant Glioma MB-108 (HSV-1 oncolytic virus) is active and well tolerated in patients with recurrent glioblastoma in ongoing Phase 1 clinical trial Preclinical data support a novel combination of MB-108 (HSV-1...