NIH Advisors Approve CRISPR Trial

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A National Institutes of Health (NIH) advisory committee approved 6/21 a proposal to use the CRISPR genome-editing technology in a human trial to help augment cancer therapies that rely on enlisting a patient’s T cells. The journal Nature reports that the NIH Recombinant DNA Research Advisory Committee approved the small trial, which is designed to test whether CRISPR is safe for use in people rather than whether it efficiently treats cancer.

In the trial, to be funded by a $250 million immunotherapy foundation formed by former Facebook president Sean Parker, researchers will remove T cells from 18 patients with several types of cancers and perform three CRISPR edits on them. One edit reportedly will insert a gene for a protein engineered to detect cancer cells and instruct the T cells to target them, while a second removes a natural T cell protein that could interfere with this process. The third edit will remove the gene for a protein that identifies the T cells as immune cells and prevent the cancer cells from disabling them. The edited cells will then be returned to the patients.

A team at the University of Pennsylvania that will conduct the research now will have to convince regulators and institutional review boards to allow the trial, the report says.

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