Please assess the completion status of the following clinical trial:

Trial Title: Effect of Nefopam on Acute Postoperative Pain in Patients Undergoing Orthognathic Surgery

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

Eligibility Criteria:
Inclusion Criteria:~* aged 20-60 years~* undergoing elective orthognathic surgery~Exclusion Criteria:~* pregnancy~* psychiatric disease~* hepatobiliary or renal disease~* monoamine oxidase inhibitor-taking patients

- Gender: ALL
- Minimum Age: 20 Years
- Maximum Age: 60 Years
- Healthy Volunteers: t

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