The Niche3/18/2026

FDA investigating: US patient dies after use of placental extract Laennec, Russian med student also died

Professor Paul Knoepfler, Ph.D.
The FDA is reporting that someone in the US died after use of a regenerative medicine product imported from Japan called Laennec. Here’s the FDA report on the death related to Laennec. The agency advisory is titled: Patient and Consumer Warning about Potential Serious Risks of Harm following Use of Unapproved Products from Human Cells or Tissues. At least one other person has reportedly died after improper use of this product. What is Laennec? Laennec is an allogeneic placental extract...