Overview Demeclocycline Fluorescence for Intraoperative Delineation Brain Tumors Status: Unknown status Trial end date: 2021-01-01 Target enrollment: Participant gender: Summary This research study is studying a drug called Demeclocycline that may help brain surgeons see tumors with a microscope during surgery. Phase: Phase 1 Details Lead Sponsor: Massachusetts General HospitalTreatments: Demeclocycline