A gene-editing drug trial in China involving four boys with a rare inherited disease yielded mixed and tragic results. Two boys showed improved mobility, but one boy experienced no improvement and withdrew from the study. Tragically, the fourth boy died from a severe immune response and respiratory failure shortly after receiving the experimental medication. AI
RANK_REASON The item reports on the results of a gene-editing trial, which falls under research. [lever_c_demoted from research: ic=1 ai=0.1]
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