Mitigation of Adverse Clinical Events of a Narrow Target Therapeutic Index Compound through Modified Release Formulation Design: An in Vitro, in Vivo, in Silico, and Clinical Pharmacokinetic Analysis.
2015
BMS-914392 is a tricyclic pyranoquinoline BCS class 2 weak base that demonstrates high solubility in low pH environments. Initial clinical studies indicated that rapid release of high dose BMS-914392 led to transient adverse events associated with peak plasma concentrations. A modified release (MR) formulation strategy was proposed to suppress the peak blood concentration and maintain total exposure to overcome the adverse effects. Three modified release prototype formulations were developed and tested via a USP 3 dissolution method to verify that each formulation can effectively slow the release of BMS-914392. A pharmacokinetic (PK) absorption model was employed to guide the formulation development and selection. Simulations showed good agreement with plasma levels measured after oral dosing in dogs. Identification of key formulation factors to achieve release rates suitable for blunting peak blood levels without diminishing exposure were achieved through combined preclinical data and use of GastroPlus s...
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