A New Approach of Mitigating CYP3A4 Induction Led to the Discovery of Potent Hepatitis B Virus (HBV) Capsid Inhibitor with Optimal ADMET Profiles
2019
Described herein is a new approach to mitigate CYP3A4 induction. In this unconventional approach, a fine-tuning of the dihedral angle between the C4 phenyl and the dihydropyrimidine core of the heteroaryldihydropyrimidine (HAP) class of capsid inhibitors successfully altered the structure–activity−relationships (SARs) of the unwanted CYP3A4 induction and the desired HBV capsid inhibition to more favorable values. This eventually led to the discovery of a new capsid inhibitor with significantly reduced CYP3A4 induction, excellent anti-HBV activity, favorable preclinical PK/PD profiles, and no early safety flags.
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