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US targets companies touting unproven cancer cures

BMJ 2017; 357 doi: https://doi.org/10.1136/bmj.j2116 (Published 28 April 2017) Cite this as: BMJ 2017;357:j2116
  1. Michael McCarthy
    Author affiliations

The US Food and Drug Administration (FDA) has issued warning letters to 14 companies that the agency says are marketing products fraudulently claiming to diagnose, treat, or cure cancer.1

Under US law it is illegal to market products that claim to prevent, diagnose, mitigate, or cure disease without having demonstrated to the FDA that they are safe and effective for these uses.

Douglas W Stearn, director of the FDA’s Office of Enforcement and Import Operations, said that the use of such products might not only be unsafe but could lead patients to delay seeking appropriate, and …

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