September 30, 2020

The Niche

Knoepfler lab stem cell blog

Dr. Peter Marks

3 min read

When you sit down to read science on the weekends lately, assuming you are not primarily a COVID-19 researcher, how much COVID stuff seeps into your reading? As I was going over some of this year’s recommended weekly reads posts here on The Niche, I’ve realized that an increasing amount of COVID-19 research has joined the list. Part of this is because of the explosion of cell therapy work and news on COVID, but also I’m just interested in the science of COVID. Before …Read More

6 min read

The FDA and its CBER branch have been doing a good job overall in the last 3+ years to tackle the unproven stem cell clinic problem, but lately on the stem cells for COVID-19 front there is reason for real concern. I believe the agency is taking on major risk overall by clearing a vast number of cell therapy trials for COVID-19 mostly without much data, but the clearance of a few programs by for-profit stem cell clinics is especially problematic in my view. FDA on …Read More

5 min read

It was fascinating to read a new JAMA piece by the FDA on unproven stem cell clinics and other regenerative medicine firms. Many of these guys are profiteering off of buzz about exciting, but mostly unproven technologies. While the JAMA opinion piece reiterates the agency’s commitment to evidence-based regenerative medicine, it also makes some other key points, some of which are newer and worth digging into on a deeper level. What’s new here from the FDA? The piece by CBER Director Dr. Peter Marks …Read More

5 min read

Friday and Saturday showed a burst in FDA activity related to unproven stem cells and regenerative products including a warning letter to the unproven perinatal “stem cell” provider Liveyon. This was an unusual 48-hour period and a very good one for those who believe in science-based regenerative medicine but in my view a bad day for perinatal stem cell clinic and exosome suppliers. For general background on exosomes see these past The Niche posts. I’m sure there are a lot of hardworking folks at …Read More