Please assess the completion status of the following clinical trial:

Trial Title: Chronic Subdural Hematoma - Reduction of Recurrence by Treatment With Angiotensin Converting Enzyme Inhibitors

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

Eligibility Criteria:
Inclusion Criteria:~1. Patients with chronic subdural hematoma that needs surgical evacuation~2. Age \> 18 year~Exclusion Criteria:~1. Lack of compliance~2. Kidney artery stenosis~3. Stenosis of the aorta~4. Severely decreased kidney function~5. Allergy or intolerance/contraindications toward ACE inhibitors~6. Already in ACE inhibitor treatment~7. Coagulopathies~8. Malignant disorders~9. Fertile women~10. Other neurological disorders~11. Treatment with pharmaceuticals contraindicating treatment with ACE inhibitors

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

Study Arms:
- ACE inhibitor (Type: ACTIVE_COMPARATOR): patients randomized to this arm will be treated with ACE inhibitors after surgery
- Placebo (Type: PLACEBO_COMPARATOR): patients randomized to this arm will be treated with placebo after surgery

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