Six adverse events were documented during the study: abdominal pain (one case, 2.1%), muscle strain (one case, 2.1%), nasopharyngitis (one case, 2.1%), and elevation of alanine aminotransferase and aspartate aminotransferase (one case, 2.1%) in the NVP-1703 group, and abdominal pain (one case, 2.1%) and dyspepsia (one case, 2.1%) in the placebo group. This evidence concerns the gene GPT and dyspepsia.