A method for treatment of hyperproliferative tissue by injection of and subsequently exposing the hyperproliferative tissue to a frequency of ultrasound. The invention further includes purified bis [1-[6,7-bis [2-(sodium carbonate ethyl]-1,3,5,8,-tetramethyl-2-vinyl-porphin-4-yl]ethyl]ether (DVDMS) for use in sonodynamic treatment of hyperproliferative tissue including cancer and further includes a kit including a dosage controllable injection device charged with a biologically compatible fluid containing DVDMS.