Methods of improving recovery of a mammal after an ischemic event (e.g., stroke) are provided. In various embodiments the methods involve administering a neural growth factor (e.g., BDNF) into the infarct (e.g., stroke) cavity in a biocompatible hydrogel formulation. In certain embodiments the hydrogel comprises a thiolated hyaluronan and a thiolated gelatin with an optional thiolated heparin.
