THURSDAY, Sept. 12, 2019 (HealthDay News) — The first attempt to use the gene-editing tool CRISPR to cure HIV infection was unsuccessful but the approach does show promise.

Chinese researchers used the tool to give a patient blood cells that were altered to resist the AIDS-causing virus, the Associated Press reported.

The study was published online Sept. 11 in the New England Journal of Medicine. It is the first published report of trying to use CRISPR to treat a disease in an adult, according to the AP.

Even though CRISPR did not cure the patient’s HIV infection, the gene-editing tool appears precise and safe in the patient and seems to hold promise, said Carl June, M.D., from the Perelman School of Medicine at the University of Pennsylvania in Philadelphia, who wrote an accompanying commentary in the journal. “That’s really good for the field,” June told the AP.

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