Ukwelashwa kwe-Proton ku-astrocytma kwazanywa okokuqala ngqa ngo-2012. Ngo-2012, u-Annabelle watholakala ene-fibroblastic astrocytoma, isimila sobuchopho. Ukuhlinzwa kususe iningi lesimila kodwa ngeshwa isimila saphinde sabuya ngo-2014.