A pharmaceutical composition for neovascular diseases, a pharmaceutical composition for inhibiting an angiogenic growth factor, and use of these pharmaceutical compositions are provided. In one or more embodiments, a pharmaceutical composition contains as an active ingredient a low molecular weight compound that is able to suppress the expression of the VEGF gene in cells or to reduce the production of VEGF protein from cells. In one or more embodiments, a pharmaceutical composition contains as an active ingredient a compound expressed by the following formula (I) or a prodrug thereof or pharmaceutically acceptable salts thereof
