May 31, 2020

The Niche

Knoepfler lab stem cell blog

Kimera Labs

5 min read

The FDA has stem cell clinics squarely on its radar screen now and it’s pulling the trigger with many letters going out to this problematic industry. In the past, sometimes years went by with no letters at all or one letter in total to stem cell clinics so this marks a major shift. Background on lead-up to wave of FDA activity I count 7 letters in a less than two-month span from mid-March to now, which may be the most in history in the …Read More

3 min read

  It’s been a busy week for the cellular and regenerative medicine space for COVID-19 news with some possible ups including for Mesoblast and some definite downs. Starting with the more positive media buzz with have Mesoblast. Mesoblast made COVID19 news “Thinly traded Mesoblast Limited (NASDAQ:MESO) rockets 51% premarket on average volume in reaction to its announcement of an 83% (n=10/12) survival rate in ventilator-dependent COVID19 patients who were treated with its allogeneic mesenchymal stem cell product candidate remestemcel-L within the first five days. Nine of the 10 …Read More

3 min read

A firm called Kimera labs just received an untitled letter from the FDA. The firm has been supplying non-FDA-approved exosomes to various customers including at least one stem cell clinic without sparking any obvious action from the agency, but on April 10th that changed with the letter, which in my view is quite serious. What sparked it? My sense is that a major trigger was Kimera Labs being linked some weeks back to an experimental infusion of exosomes into a COVID19 patient. The letter …Read More

4 min read

When the number of stem cell clinical studies and trials listed for COVID-19 first started spiraling upward it seemed likely that stem cell clinics and other firms in that arena would get interested. I thought that we’d see the unproven regenerative medicine coronavirus bandwagon quickly grow. Unfortunately, there are reasons to be increasingly concerned here. For instance, the idea that stem cells or exosomes could successfully treat COVID-19 is getting more buzz by clinics and other related firms. Sometimes it is getting hyped too in the …Read More