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Prediction Of In-Vivo Antimuscarinic Activity (Ama) By In-Vitro Receptor Binding Assessment And Pk/Pd Modeling For Prototypical Drugs, Taghrid Y. Obied
Prediction Of In-Vivo Antimuscarinic Activity (Ama) By In-Vitro Receptor Binding Assessment And Pk/Pd Modeling For Prototypical Drugs, Taghrid Y. Obied
Theses and Dissertations
Purpose: To establish a tool, termed as antimuscarinic activity (AMA), to predict the incidence of antimuscarinic adverse events (AMAEs).Methods: A literature review, focused on drugs having off-target interaction with muscarinic receptors, was performed. Prototypical drugs olanzapine, diphenhydramine, paroxetine were selected for the analysis. Scopolamine and darifenacin were included as positive and negative controls, respectively. Physiochemical properties, pharmacokinetic data, and clinical incidence of AMAEs for the selected drugs were collected from reported literature. Extrapolation of literature data was carried-out to obtain exposure data. To determine the drugs muscarinic affinity (Ki values), experiments were performed using 3H-QNB and membrane suspensions of M1, …