Interstitial administration of perfluorochemical emulsions for reoxygenation of hypoxic tumor cells
First Claim
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1. A method of treating hypoxic mammalian tumor cells in vivo in a mammal comprising administering an oxygenated fluorochemical emulsion interstitially directly into the hypoxic zones within said tumor and thereafter subjecting the administered cells to an amount of radiation effective to initiate destruction of said cells.
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Abstract
A method is set forth for treatment of hypoxic tumors by interstitial injection of oxygen bearing fluorocarbon emulsions directly into the hypoxic zone of the tumor followed by radiation treatment.
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17 Claims
- 1. A method of treating hypoxic mammalian tumor cells in vivo in a mammal comprising administering an oxygenated fluorochemical emulsion interstitially directly into the hypoxic zones within said tumor and thereafter subjecting the administered cells to an amount of radiation effective to initiate destruction of said cells.
- 15. A method of decreasing hypoxic mammalian tumors in vivo in a mammal comprising the interstitial injection of an oxygenated perfluorocarbon C14 compound emulsion, having a particle size in the range of 0.005-0.08 microns and a perfluorocarbon content in the range of 25-75 weight/volume percent in a dosage up to the equivalent of 50% of the tumor volume, but less than 2 ml/kg of body weight, directly into the hypoxic zones of said tumor and exposing said tumor to X-ray radiation in an exposure range of above approximately 500 up to 2500 rads within 15 minutes of injection of said emulsion to delay growth of said tumor or decrease the tumor size.
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