Alfentanil N-deakylation: Monitoring the Formation of N-phenylpropionamide (AMX) to Determine CYP3A4 Activity in Vitro
Poster Apr 17, 2007
Alfentanil is a synthetic analgesic cleared exclusively by hepatic metabolism. Due to the highly linear correlation between alfentanil systemic clearance and CYP3A4 activity, as well as the direct pharmacologic effects on pupil size, it has been used as a non-invasive metabolic probe for CYP3A4 activity in vivo. AMX is a direct metabolite of alfentanil, evaluated in this study for its potential to measure CYP3A4 activity in vitro.
During early drug discovery, the study of metabolism plays an essential role in determining which drug candidates move forward into development and later stages. As an alternative to traditional Data Dependent Acquisition (DDA), the use of MSE/All Ions Fragmentation (AIF) has become common in metabolite identification workflows for the analysis of metabolic hot spots. Here we present a solution for analysis of MSE/AlF in metID studies.READ MORE
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