Rapid change of a cohort of 570 unproven stem cell clinics in the USA over 3 years

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10 Scopus citations


Aim: The industry of unproven stem cell clinics has rapidly mushroomed throughout the USA, posing risks to patients and the research field. In this study, the aim was to better define how this industry changes. Methods: I analyzed a large cohort of US stem cell clinic firms and their distinct clinic locations as defined in 2015-2016 for their status now in 2019. Results: About a quarter of the firms no longer marketed stem cells. Some lacked active websites, while others dropped stem cell services. Even so, the total number of clinics in this group increased because some firms greatly expanded their clinic numbers. Conclusion: Overall, the unproven clinic industry is a moving target requiring ongoing study and regulatory oversight.

Original languageEnglish (US)
Pages (from-to)735-740
Number of pages6
JournalRegenerative Medicine
Issue number8
StatePublished - Jan 1 2019


  • bioethics
  • FDA
  • regenerative medicine
  • stem cell clinics

ASJC Scopus subject areas

  • Biomedical Engineering
  • Embryology


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