Here, we present the final analysis of the primary endpoint of DFS with additional follow-up as well as additional per-treatment analysis, along with comprehensive pre-specified subset analyses for both the GP2 and AE37 peptide vaccines used in a randomized controlled trial of breast cancer patients with any level of HER2 expression that were clinically disease-free and at a high risk for recurrence. This evidence concerns the gene GP2 and breast carcinoma.