Precision Tesamorelin
Both have intriguing preclinical profiles but very limited human clinical data
In addition to biocompatibility, biodegradation, bioadhesiveness, and biofunctionality of the NDBs, several drawbacks must be addressed, such as low stability, low melting point, high surface tension, structural complexity, and well-known immunological response from organisms (Ige et al., 2012
Officially, the FDA cites: Insufficient large-scale clinical trials Concerns about consistency, sourcing, and manufacturing standards The need to meet formal drug approval requirements Critics argue (fairly) that this system: Favors large pharmaceutical companies Makes it hard to approve naturally occurring peptides Leaves promising, low-risk compounds in regulatory limbo The short version: This FDA restrictive regulatory change of mind wasnt driven by a sudden safety scare, it was driven by regulatory process and economics