Discovery of Small Molecule PD‐L1 Inhibitors via Optimization of Solvent‐Interaction Region for Cancer Immunotherapy
Chemical Biology and Drug Design
JUNE 9, 2025
A series of small molecule PD-L1 inhibitors was discovered via optimization of the solvent-interaction region. GJ19 showed the most potent anti-PD-L1 effects with an IC 50 of 32.06 nM. GJ19 (i.p., 15 mg/kg) effectively suppressed tumor growth with a TGI of 56.8% in a B16-F10 melanoma mouse model. ABSTRACT Despite extensive research, the topic of anti-PD-L1 small-molecule inhibitors remains elusive.
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