Please assess the completion status of the following clinical trial:

Trial Title: Optimal Lidocaine Buffering to Reduce Injection Pain in Local Anesthesia

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE4
- Number of Arms: 4.0

Eligibility Criteria:
Inclusion Criteria:~* adults presenting for routine thyroid biopsy, paracentesis or thoracentesis in interventional radiology~Exclusion Criteria:~* Patients requiring sedation~* Patients with altered mental status~* Children~* Patients allergic to lidocaine or sodium bicarbonate

- Gender: ALL
- Minimum Age: 19 Years
- Maximum Age: 100 Years
- Healthy Volunteers: f

Study Arms:
- Arm A (Type: ACTIVE_COMPARATOR): 10 mg/mL lidocaine; Frequency: 1
- Arm B (Type: ACTIVE_COMPARATOR): 9 mg/mL of 10% sodium bicarbonate-90% lidocaine; Frequency: 1
- Arm C (Type: ACTIVE_COMPARATOR): 7.5 mg/Ml of 25% sodium bicarbonate-75% lidocaine Frequency: 1
- Arm D (Type: ACTIVE_COMPARATOR): 5 mg/mL 50% sodium bicarbonate-50% lidocaine Frequency: 1

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