August 14, 2020

The Niche

Knoepfler lab stem cell blog

Search Results for: r3 stem cell

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

4 min read

Today the FDA put an Arizona firm called R3 Stem Cell, LLC and its leader Dr. David Greene on notice that what they and 50+ affiliates centers are selling in the way of stem cells were not approved by the agency. R3 Stem Cell markets perinatal (birth-related) stem cell offerings on its website. There’s a lot of subtext in the FDA letter and accompanying PR, in my view none of it good for the company or its “centers of excellence.” The R3 website also …Read More

3 min read

We’ve had another week of interesting stem cell news and papers. Here is an aggregate of the stem cell and regenerative medicine week that was. Stem cell therapy for baldness I’ve covered stem cells for hair loss for about a decade here on The Niche. While it seems like it’s taken a long time for this work to advance, there has been concrete progress. From Nature News, Regenerative medicine could pave the way to treating baldness. Here’s the actual Nature paper in question: Hair-bearing human …Read More

4 min read

The FDA just sent another untitled letter to a producer of a potentially non-compliant perinatal “stem cell” product that may be an unapproved drug. This follows past non-warning letters and/or inspection reports made public to Liveyon, R3 Stem Cell, Stemell, and others. RAPS has more on the story of the new letter here. This newest untitled letter went to RichSource Stem Cells, Inc. and its CEO Sara Oracle, a firm which markets an unusual “combo” product described this way by the FDA, “a combination …Read More