LONGEVITY with Nathalie Niddam #372 Detecting Cancer Before It Starts: The BLOOD Test That Could Save a Billion Lives | Sumit Rai (Cancer Check Labs)
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Sep 23, 2025 Sumit Rai, CEO of Cancer Check Labs and a passionate advocate for early cancer detection, shares his journey driven by the heartbreaking loss of his sister. He discusses groundbreaking technology that captures circulating tumor cells, enabling detection even before visible tumors form. Sumit compares their method with existing tests, highlights the impact of lifestyle on cancer risk, and addresses the importance of early intervention. He also explores innovative concepts like cancer dialysis and the future of personalized medicine.
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Personal Mission After Sister's Death
- Sumit Rai entered cancer work after his younger sister Sonia died of cancer and founded nonprofits in her name.
- He has registered 10,000 bone marrow donors and runs charities funding research and firefighter screening.
Detecting Cancer Via Circulating Tumor Cells
- Tumors shed circulating tumor cells (CTCs) into blood as soon as they form, even at stage zero.
- Cancer Check Labs isolates intact CTCs from blood and presents them on slides for pathologist review like a tissue biopsy.
Why CTCs Are Visually And Mechanically Distinct
- Physical and morphological features make tumor cells visibly distinct from healthy cells under a pathologist.
- Those physical traits (size, stiffness, multinucleation) enable mechanical filtration-based capture across cancer types.