September 21, 2020

The Niche

Knoepfler lab stem cell blog

ASU’s Innovation Center at SkySong

4 min read

Back in May, the FDA cautioned a stem cell clinic firm called R3 Stem Cell and its leader David Greene about what they were doing. Importantly, the agency indicated that some of R3’s stem cells may be unapproved drug products. While the FDA didn’t send R3 Stem Cell a formal warning letter, in my view the agency made it very clear in the “untitled” letter that this firm should make some changes. The letter went out both to R3 Stem Cell and its dozens of …Read More