Controversial Stem-Cell Company Moves Treatment Out of the United States
By David Cyranoski,
Nature
| 01. 30. 2013
Celltex to send patients to Mexico.
US citizens who had pinned their hopes on a company being able to offer stem-cell treatments close to home will now need to travel a little farther. Celltex Therapeutics of Houston, Texas, stopped treating patients in the United States last year following a warning from regulators. A 25 January e-mail to Celltex customers indicates that the firm will now follow in the footsteps of many other companies offering unproven stem-cell therapies and send its patients abroad for treatment — but only to Mexico.
The stem-cell treatments offered by Celltex involved extracting adult stem cells from a patient, culturing them and then reinjecting them in a bid to replenish damaged tissue. It had been offering the treatment for more than a year — with one of its high-profile customers being Texas governor, Rick Perry — when the US Food and Drug Administration (FDA)
wrote to the company on 24 September 2012 advising it that the stem cells it harvested and grew were more than “minimally manipulated” during Celltex's procedures. As such, the FDA regarded the cells as drugs, which would require...
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