Doing so would expose otherwise healthy crew members to the risks of invasive ICP testing (such as lumbar puncture or telemetric ICP monitoring)
Sitagliptin was not mutagenic or clastogenic with or without metabolic activation in the Ames bacterial mutagenicity assay, a Chinese hamster ovary (CHO) chromosome aberration assay, an in vitro cytogenetics assay in CHO, an in vitro rat hepatocyte DNA alkaline elution assay, and an in vivo micronucleus assay
Tirzepatides half-life is about 5 days, slightly faster clearance
The significance of the low pGLP-1R binding affinity for monotreme GLP-1 peptides to biological activity is as yet unclear
99% purity by HPLC and mass spectrometry is essential and C18 fatty acid hydrolysis products restoring the unconjugated peptide backbone, Aib8-to-Ala8 epimerisation products restoring DPP-IV sensitivity, linker hydrolysis fragments, and aggregated fatty acid conjugate species would show substantially altered GLP-1R binding kinetics, half-life pharmacokinetics, and downstream signalling profiles confounding quantitative receptor pharmacology and comparative biology studies