Please assess the completion status of the following clinical trial:

Trial Title: Effect of Simvastatin on Cardiac Function

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: DOUBLE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* cyanotic congenital heart disease~* noncyanotic congenital heart disease with pulmonary hypertension~* Heart valve disease,~* other heart and great artery diseases need heart or great artery surgery~Exclusion Criteria:~* Coronary artery disease~* under 10-year-old.~* noncyanotic congenital heart disease without pulmonary hypertension~* poor liver function such AST elevated,Hepatitis~* Gestation women and Breast-feeding women

- Gender: ALL
- Minimum Age: 10 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- treatment (Type: EXPERIMENTAL): None
- untreated (Type: NO_INTERVENTION): control

Based on this trial design, predict the completion outcome and termination type (if applicable).