Please assess the completion status of the following clinical trial:

Trial Title: Patient-controlled Sedation With Propofol and Remifentanyl for Endoscopic Retrograde Cholangiopancreatography (ERCP)

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

Eligibility Criteria:
Inclusion Criteria:~* elective ERCP-patients~Exclusion Criteria:~* allergy to propofol or opioid;~* ASA-class (American Society of Anaesthesiology) greater than 3;~* inability to co-operate;~* drugs abuse.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 70 Years
- Healthy Volunteers: f

Study Arms:
- Propofol infusion (Type: ACTIVE_COMPARATOR): Anaesthesiologist's managed intravenous infusion of propofol 10mg/ml
- Patient-controlled sedation (Type: ACTIVE_COMPARATOR): self-administration of propofol and remifentanil mixture during ERCP

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