Disclosed are compounds of Formula (I′), methods of using the compounds as immunomodulators, and pharmaceutical compositions comprising such compounds. The compounds are useful in treating, preventing or ameliorating diseases or disorders such as cancer or infections.
Compositions and methods for inducing PD-L1 internalization are disclosed. The methods include reducing the amount of cell surface PD-L1 by contacting a cell expressing PD-L1 with a compound that binds to cell surface PD-L1 and induces PD-L1 internalization. Compounds that induce PD-L1 internalization can be used to enhance, stimulate and/or increase an immune response and treat a PD-1-related disease or condition.