Please assess the completion status of the following clinical trial:

Trial Title: Duration of Analgesic Effect for Ultrasound Guided Supraclavicular Blocks With the Addition of Buprenorphine to Local Anesthetic Solution

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

Eligibility Criteria:
Inclusion Criteria:~1. American Society of Anesthesiologists (ASA) physical status 1-3~2. Age 18-79, inclusive~3. BMI \<36 kg/m\^2~4. Patient consenting to single injection brachial plexus nerve block as primary anesthetic for a procedure~Exclusion Criteria:~1. Patients with coagulation disorders~2. Clinically significant pulmonary disease~3. Clinically significant cardiac disease~4. Neurologic deficit in surgical extremity~5. Allergy to bupivacaine or buprenorphine~6. Intolerance of narcotics~7. Local infection over intended area of needle insertion~8. Hepatic failure or renal failure~9. Significant psychiatric disease, including drug abuse~10. Seizure disorder~11. Possible pregnancy or lactation by patient report~12. Use of narcotic medication greater than 2 times a week for greater than 1 week.~13. Patients for whom the surgeon requests a shorter-acting block

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 79 Years
- Healthy Volunteers: f

Study Arms:
- Control group (Type: NO_INTERVENTION): will get only local anesthetic and epinephrine in block. no additive in block
- buprenorphine (Type: EXPERIMENTAL): will receive local anesthetic, epinephrine and the additive buprenorphine to nerve block

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