Levitra and Viagra are being used to break through the blood-brain barrier that carry chemotherapy drugs to malignant brain tumors it was reported in the Brain Research Journal.
This class of drugs are known as PDE5 inhibitors and combined with adriamycin are effective in breaking through the blood brain barrier of the tumor itself but not the larger blood brain barrier.
The result is smaller tumors and a longer survival rate and healthy brain tissue is not affected. Viagra and Levitra were originally used as heart drugs to increase the blood flow to small blood vessels.
Source: http://www.reuters.com/article/healthNews/idUSN2848807420080728?feedType=RSS
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