Please assess the completion status of the following clinical trial:

Trial Title: Metformin & Inflammation in Pre-diabetic Children

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: TRIPLE
- Phase: PHASE2/PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* pediatric patients with glucose intolerance per ADA criteria,~* free of acute or chronic inflammatory processes 3 months prior to recruitment,~* 4-17 years of age~Exclusion Criteria:~* previous personal history of diabetes or demonstrating diabetes in OGTT curve,~* chronic renal disease or serum creatinine over 1.4 mg/dl (females) or 1.5 (males),~* active hepatic disease,~* smoking,~* primary dislipidemia,~* heart problems,~* steroids,~* chronic metabolic acidosis,~* receiving anti-hypertensive or hypolipemia or hypoglucemia medications

- Gender: ALL
- Minimum Age: 4 Years
- Maximum Age: 17 Years
- Healthy Volunteers: f

Study Arms:
- metformin group (Type: ACTIVE_COMPARATOR): this group received 850 mg metformin twice daily, along with recommended diet and exercise
- placebo group (Type: PLACEBO_COMPARATOR): This group received 850 mg of placebo twice daily, along with a recommended regimen of diet and exercise

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