The approval of enfuvirtide marked a milestone for the development of virus entry inhibitor-based antiviral therapeutics. Since then, more peptide-, small-molecule-, and protein-based entry inhibitors have been identified and approved for viral diseases. Here we reviewed the development of virus entry inhibitors and the advantages and disadvantages of peptide-, small-molecule-, and protein-based entry inhibitors, herein summarizing the future trend of these antivirals. Virus entry inhibitors take effect outside the host cell, making them good candidates for development as pre- and post-exposure prophylaxis, microbicides, and therapeutics. This chapter, as well as this book, provides more information on the development and modification of peptide-, small-molecule-, and protein-based virus entry inhibitors.
Keywords: Entry inhibitor; Peptide; Small molecule; Therapeutics; Virus.
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