Please assess the completion status of the following clinical trial:

Trial Title: Use of Beetroot Juice to Protect Against Postoperative Ileus (POI) Following Colorectal Surgery: a Pilot Study.

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~• All patients undergoing colonic or upper rectum laparoscopic surgery.~Exclusion Criteria:~* Pregnancy or breast feeding~* Psychiatric pathology capable of affecting comprehension and judgment faculty~* History of metastatic disease~* History of prior abdominal bowel surgery~* Abdominal radiation treatment~* Chronic constipation (defined as two or fewer bowel movements per week)~* Gut motility influencing agents (e.g. tricyclic antidepressants, chronic use of laxatives)~* Frequent use of mouthwash, as this affects the enterosalivary circulation of nitrate~* Current use of broad-spectrum antibiotics, which will affect the oral flora and likely affect the nitrate reductase activity~* More than one bowel anastomosis during this surgery

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 95 Years
- Healthy Volunteers: f

Study Arms:
- Beetroot juice (Type: ACTIVE_COMPARATOR): None
- Control group 1 (Type: PLACEBO_COMPARATOR): None
- Control group 2 (Type: SHAM_COMPARATOR): None

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