Please assess the completion status of the following clinical trial:

Trial Title: Vitamin D Supplementation in CAD and Postchallenge Hyperglycemia

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Age 40-75~* Postchallenge hyperglycemia (2h-whole blood glucose value in oral glucose tolerance test above 119 mg/dl, normal fasting glucose)~* Angiographically verified coronary artery disease (\>50% stenosis)~* Serum 25-OH- vitamin D \< 20 ng/ml in winter/spring/autumn and \<25 ng/ml during june-september~* Stable antihypertensive therapy in the last 3 month~Exclusion Criteria:~* Acute coronary syndrome or cerebrovascular event within the previous 1 month~* BMI \> 40 kg/m²~* Serum creatinine \>2.5 times the upper limit of normal~* GOT or GPT \> 3 times the upper limit of normal~* Heart failure \> NYHA class II~* Uncontrolled hypertension (\>160/100 mmHg)~* New onset of statins, ACE-inhibitors or ARBs within the previous 4 weeks~* History of urolithiasis~* Hypercalcaemia~* Major psychiatric disorders~* Ongoing treatment with spironolactone, canrenoate, eplerenone, amiloride, triamterene and aliskiren.~* Treatment with antipsychotic drugs~* Regular significant antioxidants, vitamins or protein supplementation~* Immunosuppressive therapy~* Glucocorticoid therapy~* Ongoing chemotherapy~* Pregnancy~* Any other disease with an estimated life expectancy below 1 year.

- Gender: ALL
- Minimum Age: 40 Years
- Maximum Age: 75 Years
- Healthy Volunteers: f

Study Arms:
- vitamin D (Oleovit®) (Type: ACTIVE_COMPARATOR): vitamin D drops
- Placebo (Type: PLACEBO_COMPARATOR): placebo drops

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