primary_completion: 2028-04 → 2028-06; completion: 2032-04 → 2032-06; enrollment: 14 → 18; primary_outcomes: ['Evaluation of efficacy via primary endpoint comprised of LAMP2 myocardial tissue expression and left ventricular mass index'] → ['효능 평가: LAMP2 심근 조직 발현과 좌심실 질량 지수(LVMI)로 구성된 1차 평가변수를 통해 평가된 개선']