Use of lactam containing compounds for the manufacture of an antiviral agent.

摘要

A therapeutic and/or prophylactic agent for viral infection, particularly human immunodeficiency virus (HIV) infection, which comprises as an active ingredient a lactam compound represented by formula (I) <CHEM> wherein X represents -COOR, wherein R represents a hydrogen atom or a straight-chain or branched-chain alkyl group having from 1 to 8 carbon atoms, or <CHEM> wherein n represents an integer of 2 or 3 and A represents methine when n is 2 or a quaternary carbon atom when n is 3, or a pharmaceutically acceptable salt or ester derivative thereof.