Immunotherapy : a technique to better target tumors tested at the Gustave Roussy Institute
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“Thanks to interventional radiology, ‘we can precisely identify where the cancer metastases are located,’ explains Aurélien Marabelle, medical oncologist at the Gustave Roussy Institute, ‘and inject [immunotherapy] under CT guidance directly into the tumor.’
This method makes it possible both to ‘increase the effectiveness of the treatment by delivering the drug locally’ and to significantly reduce ‘toxicity’ and side effects for patients, the physician notes. He adds that the medical community ‘initially had quite a few doubts about the technical feasibility of these injections.’
Among the group of around thirty patients who received the treatment directly into the tumor, tumor regression reached 65.7%, along with ‘a reduction of more than half in severe toxicity’ compared to those who received conventional immunotherapy.”
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