Please assess the completion status of the following clinical trial:

Trial Title: Angiotensin Converting Enzyme Inhibitors in Marfan Syndrome

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE3
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* Age 18-40~* Diagnosis of Marfan Syndrome, on the basis of the Ghent Criteria~Exclusion Criteria:~* Age \<18, \>40~* Women of child-bearing potential not on adequate contraception~* Serum creatinine of \>0.11~* A history of intolerance to ACEI~* Patients on angiotensin receptor blockers~* Blood pressure \>140/90mmHg~* History of previous aortic surgery

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 40 Years
- Healthy Volunteers: f

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