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metabolite Ac-LKKTE identified as potentially more active than parent compound Paradoxical finding: Both peptides show biological effects persisting hours to days after administration despite rapid plasma clearance Possible explanations: Tissue retention, active metabolites, or persistent signaling cascade activation Excretion Pathways Limited data exists on excretion for both peptides[22]: Likely renal elimination of peptide fragments Hepatic metabolism may contribute to clearance No accumulation detected in chronic dosing studies (animal models) Combined excretion kinetics have not been characterized in any species The disconnect between short plasma half-lives and prolonged biological effects represents a key area requiring mechanistic clarification for both individual peptides and their combination
Stanczyk FZ, Azen CG, Pike MC
Final approval was granted on [November 20, 2023]
Most patients receive B12 shots once each week
"It's an exciting area of research and I think therapies targeting cellular metabolism deserve continued scientific attention," the New York-based expert told Fox News Digital
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