Please assess the completion status of the following clinical trial:

Trial Title: Trial on Endovascular Aneurysm Management

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

Eligibility Criteria:
Inclusion Criteria:~* At least one documented subarachnoid aneurysm, never ruptured~* Patient aged 18 or older~* Life expectancy more than 10 years~Exclusion Criteria:~* Patients with recent (less than 3 months) intracranial haemorrhage~* Lesion characteristics unsuitable for endovascular treatment~* Patients with a single extradural aneurysm~* Aneurysms \< 3 mm or giant aneurysms (≥ 25 mm)~* Patients with a poor outcome (Rankin scale ≥ 3) after the rupture, surgical or endovascular treatment of another aneurysm~* Patients with incompletely treated aneurysms that have previously ruptured~* Patients with associated arteriovenous malformations~* Patients with new severe progressive symptoms in relationship with the aneurysm (sudden onset, severe persisting headaches suggestive of impending rupture, third-nerve palsy, mass-effect)~* Patients with previous intracranial haemorrhage from unknown etiology~* Patients with multiple unruptured aneurysms in whom surgical clipping of one or many aneurysms is planned in addition to endovascular management~* Patients with absolute contraindications to anaesthesia, endovascular treatment, or administration of contrast material, including low-osmolarity agents or gadolinium~* Pregnant patients~* Patients unable to give informed consent

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

Study Arms:
- Conservative (Type: NO_INTERVENTION): Conservative management (watchful observation)
- Endovascular (Type: ACTIVE_COMPARATOR): Endovascular treatment

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