LVEF- fald blev rapporteret hos 2, 5% af de patienter, der fik lapatinib i kombination med capecitabine sammenlignet med 1, 0% ved capecitabine alene.
LVEF decreases were reported in 2.5% of patients who received lapatinib in combination with capecitabine, as compared to 1.0% with capecitabine alone.