NRG-103

The goal of this clinical trial is to learn if NRG103 works to treat recurrent GBM in adults. It will also learn about the safety of NRG103.
The main questions it aims to answer are:
Does NRG103 prolong overall survival or disease-free survival in patients with GBM? What medical problems do participants have when receiving NRG103 treatment? Researchers will give patients with NRG103 to see if NRG103 works to treat recurrent GBM.
Participants will:
Receive NRG103 twice in 14 days Visit the clinic once every 2 weeks for checkups and tests Keep a diary of their symptoms