 Itopride is a compound already marketed in Japan and in some countries of Eastern Europe under the name of Ganaton. It is used to treat symptoms of functional dyspepsia. Patients suffering from this condition have difficulties digesting food. Patients feel full after eating, they have bloating and have stomach pain. The goal of this study is to see if Itopride helps to relieve the symptoms of functional dyspepsia on a long-term basis. 