Australian man uses ChatGPT to design AI vaccine that puts dog's cancer in partial remission

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Sydney-based AI consultant Paul Conyngham turned to ChatGPT, Gemini, and other AI tools to design a custom mRNA vaccine for his rescue dog Rosie's mast cell cancer. After months of AI-driven research, genome sequencing, and collaboration with university scientists, Rosie achieved partial remission with significant tumor reduction. OpenAI CEO Sam Altman called it an "amazing story," highlighting AI's potential to accelerate medical research.

Australian AI Consultant Designs Experimental Treatment for His Dog Using ChatGPT

When eight-year-old Rosie, a rescue dog belonging to Sydney-based AI consultant Paul Conyngham, was diagnosed with terminal mast cell cancer in 2024, her owner refused to give up. After chemotherapy, standard immunotherapy, and surgery failed to halt the disease's progression, Conyngham embarked on an AI-driven initiative that would eventually capture global attention

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. He used ChatGPT, Gemini, and Grok to research cancer therapies in depth, conducting "conversations and just keep them going non-stop" to understand emerging treatments including custom mRNA vaccine options

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Source: Japan Times

Source: Japan Times

Following guidance from these chatbots, Conyngham paid $3,000 to have Rosie's genome sequenced and used the same online tools to analyze her DNA data

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. He then turned to AlphaFold, a scientific AI model that won the 2024 chemistry Nobel Prize, to better understand one of the mutated genes

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. The monthslong quest attracted attention from OpenAI CEO Sam Altman, who called it an "amazing story" in a post on X on Friday

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Custom mRNA Vaccine Achieves Partial Remission and Significant Tumor Reduction

Rosie received a personalized treatment combining the custom mRNA vaccine with powerful immunotherapy in December, and the results were striking. The eight-year-old dog's mast cell cancer entered partial remission, and her biggest tumor shrank dramatically . "She regained a lot of mobility and function" after the treatment, Conyngham told AFP

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The AI vaccine was developed through collaboration with University of New South Wales (UNSW) researchers—also identified through a ChatGPT recommendation—and other Australian academics who helped transform Conyngham's research into reality

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. Professor Martin Smith from UNSW, who sequenced Rosie's genome, emphasized that "this was not a clinical trial by any means" and "it's not that AI cured cancer," but rather "it was really driven by his determination to help his dog"

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Source: France 24

Source: France 24

AI's Potential to Accelerate Medical Research Sparks Scientific Discussion

While Conyngham doesn't call his findings a cure, experts unrelated to the project said the case highlights AI's potential to accelerate medical research

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. The combination of "three different disruptive technologies: genome sequencing, artificial intelligence, and RNA therapeutics... offers new possibilities and challenges," Smith noted

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Pall Thordarson, director of UNSW's RNA institute which created the vaccine, explained that Conyngham "used the AI program... to design the actual mRNA sequence. And then he gave that information to us"

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. However, the "short answer is we don't know for sure" what actually led to the significant tumor reduction in Rosie's biggest tumor, Thordarson acknowledged

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Nick Semenkovich at the Medical College of Wisconsin told AFP that "AI holds lots of promise to improve and accelerate our research strategies," though he cautioned that UNSW and Conyngham "haven't published scientific details outside of their press release and interviews, so we don't know enough about the vaccine to understand how much AI helped in its development -- or if the vaccine worked the way it was designed"

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. This lack of scientific validation remains a key concern for the broader medical research community.

Challenges and Future Implications for Personalized Treatment

Rosie's cancer was initially misdiagnosed for nearly a year. "I took her to the vet three times. And two times, the vet said, don't worry about it, it's just a rash," Conyngham recalled during one of the long daily walks the pair have resumed

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. Not all tumors responded as well as the largest one, and Rosie has required another operation since receiving the experimental treatment for his dog. It remains unclear how long she has left to live

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Patrick Tang Ming-kuen, a professor from The Chinese University of Hong Kong, said AI-powered research could help pets and humans survive, though the risk of errors is real. "AI transforms a 'needle-in-a-haystack' search into a data-driven selection process, drastically shortening the timeframe between diagnosis and vaccine construction," he explained

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Since the story went global, Smith said his team has been fielding various new requests: "You know: my cat's got a disease, my dog's got a disease, my aunt has got a disease." But "it's hard for us to be able to help," he said. "There's a lot of things that have to align"

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. The case demonstrates how chatbots assisted not just in research but also in navigating ethical approval paperwork, and helped Conyngham connect with a University of Queensland professor able to administer the treatment

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