Please assess the completion status of the following clinical trial:

Trial Title: Perioperative Analgesia Using Gabapentin in Head and Neck Cancer Surgery

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: SUPPORTIVE_CARE
- Time Perspective: None
- Masking: TRIPLE
- Phase: PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Patients undergoing major head and neck surgery with concomitant free flap reconstruction surgery at UCDMC (oncology and non-oncologic): There will be two groups. Group 1 will include reconstruction with fibula free flap only. Group 2 will include any other free flap reconstruction, including scapular free flap, radial forearm free flap, anterolateral thigh free flap, anteromedial thigh free flap, and latissimus dorsi free flap.~* Patients naïve to gabapentin~* Adult patients \>18 years of age and able to consent~Exclusion Criteria:~* Patients who are already taking scheduled gabapentin~* Patients allergic to gabapentin~* Chronic opioid use not from active head and neck cancer~* Illicit drug use (per report)~* Patients with known renal compromise, such that Creatinine clearance is \< 30~* Patient with known hepatic insufficiency or cirrhosis~* Adults unable to consent~* Individuals less than 18 years old~* Pregnant women~* Prisoners

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

Study Arms:
- Control (Type: PLACEBO_COMPARATOR): Standard of care use of perioperative analgesia with acetaminophen and opioids that is supplemented with placebo solution. Participants will then be discharged after surgery with postoperative acetaminophen, opioids, and placebo.
- Intervention (Type: EXPERIMENTAL): Interventional use of perioperative analgesia with acetaminophen and opioids that is supplemented with gabapentin solution. Participants will then be discharged after surgery with postoperative acetaminophen, opioids, and gabapentin.

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