Please assess the completion status of the following clinical trial:

Trial Title: Pain Relief at Iliac Crest Bone Harvest Sites in Spine Surgery Using Bupivacaine

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

Eligibility Criteria:
Inclusion Criteria:~* patients 18 years of age or older undergoing posterior cervical, thoracic, or lumbar surgery~* willingness to participate in the study.~Exclusion Criteria:~* individuals who underwent surgical intervention in the past 6 months~* previous iliac crest bone harvesting~* history of tumor and spondyloarthropathies (rheumatoid arthritis, seronegative arthritis)~* history of adverse reaction to local anesthetic~* history of severe pelvic and hip conditions that can interfere with the outcome assessment of the study~* opioid addiction~* pregnancy~* acute mental illness~* uncontrolled major depression and any other psychiatric disorders~* prisoners~* non-english speaking patients~* inability to understand the informed consent and demands of the study.

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

Study Arms:
- Bupivacaine (Type: ACTIVE_COMPARATOR): This group will receive bupivacaine (10ml of 0.5%) administered directly into the surgical wound at the iliac crest bone harvest site.
- Saline (Type: PLACEBO_COMPARATOR): This group will receive normal saline (10ml) administered directly into the surgical wound at the iliac crest bone harvest site.

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