FDA puts company on notice for marketing unapproved stem cell products for treating serious conditions

  • Posted on: 5 June 2019
  • By: Shalini.Sharma


The U.S. Food and Drug Administration has sent an untitled letter to R3 Stem Cell, LLC of Scottsdale, Arizona, and its chief executive officer, David Greene, M.D. The company, through its affiliated centers or clinics throughout the U.S., offers unapproved stem cell products to treat a variety of diseases and conditions, such as Lyme disease, diabetes, Parkinson’s disease, stroke, kidney failure and amyotrophic lateral sclerosis (ALS). The products offered by R3 Stem Cell, LLC are not approved by the FDA.

The FDA has notified each of R3 Stem Cell, LLC’s more than 50 affiliate centers or clinics of this action.

In the FDA’s review of the R3 Stem Cell, LLC website, the agency found that the company promotes stem cell therapies for numerous diseases or conditions, such as dementia and Parkinson’s disease, and directs patients with ALS, diabetes, kidney failure, Lyme disease, Parkinson’s disease and stroke to certain “R3 Stem Cell Centers of Excellence” for stem cell treatment. The untitled letter notes that the company advertises that a variety of other conditions can be treated at R3 Stem Cell Clinics, including rheumatoid arthritis, spinal stenosis, and trigeminal neuralgia (nerve pain).

It appears that the products offered by the company would be regulated as drugs and biological products under the Federal Food Drug and Cosmetic Act and the Public Health Service Act. Prior to marketing, such products require a demonstration that the products are safe and effective for their intended uses. Manufacturers who fail to comply with FDA requirements may be subject to enforcement action, such as seizure, injunction, or prosecution.

As highlighted in 2017 with the release of the FDA’s comprehensive regenerative medicine policy framework, the FDA is applying a risk-based regulatory approach to the oversight of regenerative medicine products, taking into account how products are being administered as well as the diseases and conditions for which they are intended. The agency noted that it intends to exercise enforcement discretion for certain products until November 2020 with respect to the FDA’s investigational new drug application and premarket approval requirements when the use of the product does not raise reported safety concerns or potential significant safety concerns.

The FDA offers opportunities for engagement between potential manufacturers and the agency, such as through the INTERACT program, to facilitate product development. It also encourages the use of its expedited programs whenever applicable, in addition to the collaborative development of products as discussed in a New England Journal of MedicineExternal Link Disclaimer perspective authored by the FDA.

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