Fractionated radiotherapy and chemotherapy with an oxygen therapeutic

A method of treating solid hypoxic tumors by multi-fraction radiotherapy, comprising administering to a subject suffering from a solid hypoxic tumor, concomitantly or up to 120 minutes prior to each fraction of radiation therapy, a water emulsion of perfluoropentane to the mammal, wherein

• the perfluoropentane emulsion comprises a viscosity modifier, a fluorosurfactant, and about 1% to 10% w/vol of perfluoropentane, and
• the solid hypoxic tumor is selected from pancreatic cancer, non-small cell lung cancer, cervical carcinoma, squamous cell carcinoma, ovarian cancer, sarcoma, multiple myeloma, prostate cancer, rectal cancer, Wilms tumor, head and neck cancer, oral carcinoma and uterine carcinoma.