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Cancer Patient Declared Cancer-Free After Experimental Trial
16 Mar
Summary
- A 23-year-old was diagnosed with stage 4 colon cancer.
- She underwent years of chemotherapy, immunotherapy, and surgeries.
- An experimental gene therapy trial led to a complete recovery.

Emma Weston-Dimery, initially diagnosed with stage 4 colon cancer at age 23 in 2013, has achieved a remarkable recovery after a decade of intensive treatment. Despite enduring numerous rounds of chemotherapy, immunotherapy, and ten major surgeries, the cancer persisted. Her condition involved widespread growths, including in her ovaries and peritoneum.
Referred to a clinical trial in 2020, Weston-Dimery received an experimental CRISPR-Cas9 gene-edited cell therapy. This treatment reprogrammed her own immune cells to effectively target and destroy the cancer. Within months of the initial infusion in early 2023, all visible cancerous nodules disappeared.
Weston-Dimery was one of 12 patients in the Phase 1 trial, sponsored by Intima Bioscience and revealed in The Lancet. While she is the only one to achieve complete remission, six patients showed no further cancer growth after one month. The trial is exploring a Phase 2 study with an oral pill for immune system editing, aiming for broader accessibility and cost-effectiveness.




