Clinical course of patient 2 before and after initiation of bezafibrate.
Bezafibrate was started at the age of 2 years and myopathic attack was completely prevented for 3 years. However, rhabdomyolysis developed again at the age of 5 years. Therefore, exercise restriction was initiated. Myopathic attack did not develop again from 6 years old onward. CK, creatine kinase.