PORTLAND, order Ore. – Researchers have created a new drug delivery system that could improve the effectiveness of an emerging concept in cancer treatment – to dramatically slow and control tumors on a long-term, sustained basis, not necessarily aiming for their complete elimination.
The approach, called a “metronomic dosage regimen,” uses significantly lower doses of chemotherapeutic drugs but at more frequent time intervals. This would have multiple goals of killing cancer cells, creating a hostile biological environment for their growth, reducing toxicity from the drug regimen and avoiding the development of resistance to the cancer drugs being used.
A system just published in Chemistry of Materials by a group of researchers from Oregon and the United Kingdom offers an even more effective way to deliver such drugs and may be able to greatly improve this approach, scientists say. Further testing is needed in both animals and humans for safety and efficacy.
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