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R3 Bio Develops Headless Human Bodyoids for Organ Farming and Testing

The startup says its brain-free organ systems could make testing more scalable and eventually provide human-derived tissues and organs, investors said.

  • On April 3, San Francisco-based biotech startup R3 Bio announced progress in developing brain-free 'bodyoids'—genetically engineered organ systems designed to replace laboratory animals in preclinical drug testing.
  • The pharmaceutical industry burns through millions of lab animals annually, yet nine out of ten drugs that pass animal trials still fail in humans, costing the sector over $2 billion per failed drug.
  • CEO Alice Gilman's team uses stem-cell technology and gene editing to create integrated systems lacking a brain, ensuring they cannot feel pain. She describes these as "human biology platforms" reflecting systemic biological dynamics.
  • American billionaire Tim Draper and Singaporean investment fund Immortal Dragons have backed the technology financially. Developers aim eventually to supply transplantable organs, though widespread implementation requires substantial investment and regulatory validation.
  • Regulatory frameworks remain unclear for entities that are neither human nor conventional biological samples. Critics warn that creating human-like systems for utilitarian purposes risks commodifying human life and leaves unresolved questions about ownership and consent.
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Wired broke the news in United States on Monday, March 23, 2026.
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