ocr: Institution Gene Cancer Strategy Tulane University HSV-TK; ganciclovir Ovarian intraperitoneal administration of allogeneic ovarian cancer cells transduced with HSV-TK, followed by ganciclovir National Institutes of HSV-TK; ganciclovir Brain tumors Invivo: administrationotHSV-TK retroviral producer cells directly Health (primary or into brain tumor, followed by ganciclovir metastatic) University of lowa HSV-IK; ganciclovir Glioblastoma Surgical debulking, followed by direct injection of HSV-TK ret- roviral producer cells; ganciclovir Mayo Clinic; Children's HSV-TK; ganciclovir Astrocytoma Same ...