Please assess the completion status of the following clinical trial:

Trial Title: Utility of Exercise-induced N-terminal (NT) Pro-brain Natriuretic Peptide Levels in Predicting Prognosis in Asymptomatic Aortic Stenosis

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

Eligibility Criteria:
Inclusion Criteria:~1. valvular AS (Doppler velocity ≥ 3.0 m/s)~2. no baseline symptoms referable to valvular heart disease~3. able to perform ETT~Exclusion Criteria:~1. more than mild aortic regurgitation, mitral regurgitation/ stenosis, or tricuspid regurgitation/stenosis~2. previous AVR~3. known coronary artery disease~4. creatinine clearance 50 mL/min~5. LVEF \< 50%~6. planned valve surgery prior to enrollment~7. significant pulmonary disease~8. unable to give informed consent~9. pregnancy

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: t

Study Arms:
- A (Type: OTHER): 10 patients with no aortic stenosis
- B (Type: OTHER): 100 patients with asymptomatic AS

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