There was a study in 2004 (based on data from the USA and Australia) that showed that not even 3% of people treated with chemo where still alive after 5 years; not necessarily cured, just alive. Also, for certain type of cancer, the percentage of survivor was 0%. If anybody has info on a more recent study, please share. [Archived: https://pubmed.ncbi.nlm.nih.gov/15630849/](https://web.archive.org/web/20210526094727/https://pubmed.ncbi.nlm.nih.gov/15630849/) [Archived: https://www.researchgate.net/profile/Victor-Christianto/post/Why-is-the-success-rate-of-chemotherapy-very-low-And-is-it-possible-to-improve-that/attachment/59d622726cda7b8083a1c280/AS:273544838090760@1442229580168/download/contribution-of-chemotherapy-morgan.pdf](http://web.archive.org/web/20210626070649/https://www.researchgate.net/profile/Victor-Christianto/post/Why-is-the-success-rate-of-chemotherapy-very-low-And-is-it-possible-to-improve-that/attachment/59d622726cda7b8083a1c280/AS:273544838090760@1442229580168/download/contribution-of-chemotherapy-morgan.pdf)