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Two children die in China gene-therapy trials; regulators tighten oversight

Deaths in separate trials prompt government to strengthen rules for fast-track gene-editing research.

What to know

  • Two children died in separate gene-editing trials in China—a boy in a 2025 HuidaGene trial and a six-year-old girl in a 2025 trial led by neuroscientist Zilong Qiu—with researchers citing ethics breaches and lack of transparency.
  • The deaths have prompted experts to predict strengthened regulations for gene-therapy research; China's government already tightened oversight of fast-track 'investigator-initiated trials' (IITs) in May 2026 under Order 818.
  • Joy Zhang warns the incidents have damaged credibility of Chinese institutions, and experts suggest the government might halt gene-editing research or impose stricter funding requirements.
most voices

The deaths signal serious systemic problems in China's clinical trial oversight and ethics enforcement that require stricter regulatory action.

  • “Two children died from gene therapies in China: where the field goes next”

    sbulaev · Hacker News ↗

“These hospitals have the best clinicians, the best researchers, the greatest access to patient populations. They are the most reliable, trustworthy institutions to deliver research, adding safeguards for patients.”

Ruby Wang, Physician and China health-policy consultant · Nature ↗

Zilong Qiu Neuroscientist at Shanghai Jiao Tong UniversityYongguo Yu Clinician at Xinhua Hospital, ShanghaiHuidaGene Therapeutics Shanghai-based gene-editing companyJoy Zhang Sociologist of science at University of KentJiayou Shi Lawyer at National Research Center for Civil and Commercial Law, Renmin University

Two children die in China gene-therapy trials; regulators tighten oversight
nature.com

How it unfolded 1 development · click the chart to see its coverage articlesposts

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  1. 1

    Experts predict strengthened gene-therapy regulations in response to deaths

    Researchers, ethicists, and legal scholars say the two deaths will likely prompt further strengthening of regulations for gene-therapy trials. Joy Zhang warns the incidents have damaged credibility of Chinese institutions, and experts suggest the government might halt gene-editing research or impose stricter funding requirements.

    “This will do or has done great damage to the credibility of Chinese institutions.”
    — Joy Zhang, sociologist of science at the University of Kent
    1. first by Nature News, 36d ago

  2. background

    HuidaGene Therapeutics announces boy's death from 2025 trial — The Shanghai-based gene-editing company publicly disclosed that a young boy had died during one of its trials in 2025.

  3. background

    Shanghai Jiao Tong University announces investigation into Qiu's trial — The university announced an investigation into Qiu's gene-therapy trial and a related preclinical study published in Nature, though declined to respond to further questions about the investigation.

  4. background

    Science and Retraction Watch expose girl's death and trial breaches — An investigation by Science and Retraction Watch revealed the March 2025 death of the six-year-old girl and documented ethics breaches and lack of transparency in the trial led by Qiu and Yu.

  5. background

    China implements Order 818 to tighten fast-track trial oversight — China's government introduced stricter rules for investigator-initiated trials (IITs) of new biomedical technologies, restricting such trials to top-tier sanjia hospitals and increasing regulatory oversight to prevent unauthorized or fraudulent therapies.

  6. background

    Six-year-old girl dies in gene-therapy trial at Xinhua Hospital — A six-year-old girl with a CHD3 gene defect causing Snijders Blok–Campeau syndrome died after receiving experimental gene-editing therapy in a trial pioneered by neuroscientist Zilong Qiu at Shanghai Jiao Tong University and clinician Yongguo Yu at Xinhua Hospital in Shanghai.

  7. background

    Young boy dies in HuidaGene Therapeutics trial — A young boy died during a gene-editing trial conducted by Shanghai-based company HuidaGene Therapeutics, though the exact date within 2025 was not disclosed in the initial announcement.

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