Please assess the completion status of the following clinical trial:

Trial Title: Metabolic Consequences of Gastrointestinal Surgery

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

Eligibility Criteria:
Inclusion Criteria:~* Have undergone previous oesophageal or gastric resection~Exclusion Criteria:~* Age \<18~* Recent history of untreated anaemia~* Donated blood in preceding 16 weeks~* Lack capacity to read and retain information about study~* Have a known allergy to interventional agent~* Have received a course of antibiotics in preceding two months~* Be on medication that interacts with intervention~* Have a history of C. difficile colitis

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

Study Arms:
- Observational only (Type: NO_INTERVENTION): Oral glucose tolerance test, neurocognitive questionnaire tasks only.
- Somatostatin (Type: EXPERIMENTAL): Oral glucose tolerance test after 100mcg Somatostatin
- Antibiotics (Type: EXPERIMENTAL): Oral glucose tolerance test after treatment of small intestinal bacterial overgrowth

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