Please assess the completion status of the following clinical trial:

Trial Title: Balloon Aortic Valvuloplasty Performed Without Heparin to Decrease Vascular and Bleeding Complications of the Procedure

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* be over 18~* carry a tight and symptomatic aortic stenosis~* have an indication for a ballon aortic valvuloplasty~* Subject have signed his written informed consent~Exclusion Criteria:~* Have an absence of femoral surgical approach~* have a criticial hemodynamic state, considered as outdrove for the treatment~* have a severe aortic failure~* allergia to heparin~* contraindication to heparin or/and local anaesthetic~* be treted by low molecular weight heparin in less than 12 hoursbefore the intervention or by standard heparin in less than 4 hours before the valvulopasty~* have a tight but not symptomatic aortic stenosis

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

Study Arms:
- Heparin (Type: EXPERIMENTAL): injection of unfractionated heparin (50 IU / kg)
- NaCl (Type: PLACEBO_COMPARATOR): without heparin

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