Please assess the completion status of the following clinical trial:

Trial Title: Nefopam as a Multimodal Analgesia for Thoracic Surgery

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

Eligibility Criteria:
Inclusion Criteria:~* patient scheduled for elective video-assisted thoracoscopic surgery~* American Society of Anesthesiologists physical grade I, II, III~* patient aged from 18 years old~Exclusion Criteria:~* history of allergy in nonsteroidal anti-inflammatory drugs, or nefopam~* renal insufficiency~* liver insufficiency~* myocardial infarction~* glaucoma~* pregnant and lactating women at the time of surgery~* patient who did not consent to the use of patient-controlled analgesia

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

Study Arms:
- control group (Type: NO_INTERVENTION): Nefopam will not be administered in this group.
- nefopam group (Type: EXPERIMENTAL): Intravenous nefopam 20 mg will be administered twice, immediately after induction of anesthesia and at the end of surgery.

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