Please assess the completion status of the following clinical trial:

Trial Title: Vitamin D in Ventilated ICU Patients

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE2
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* Receiving care in an intensive care unit (ICU)~* Age greater than 18 years~* Expected to require mechanical ventilation for at least 72 hours after entry~* Expected to survive and remain in the ICU for at least 96 hours after study entry~* To enable delivery of study drug, the subject has enteral access in place and is deemed able to tolerate enteral drug administration~Exclusion Criteria:~* Inability to obtain or declined informed consent from the subject and/or legally authorized representative~* Pregnancy~* Ongoing shock~* Current hypercalcemia (albumin-corrected serum calcium \> 10.8 mg/dL or ionized calcium \> 5.2 mg/dL)~* History of therapy with high-dose vitamin D to treat vitamin D deficiency within previous 6 months~* History of disorders associated with hypercalcemia; history of cancer with history of hypercalcemia within the past 1 year, hyperparathyroidism, sarcoidosis, nephrolithiasis\]~* Chronic renal dysfunction requiring chronic dialysis~* Known history of cirrhosis~* History of AIDS~* The patient has received any investigational drug within 60 days prior to study entry.

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

Study Arms:
- Enteral vitamin D3 50,000 IU (Type: EXPERIMENTAL): An arm where subjects receive 50,000 IU of Vitamin D for 5 days.
- Enteral Vitamin D3 100,000 IU (Type: EXPERIMENTAL): Arm where subjects receive 100,000 IU of Vitamin D for 5 days
- Inactive Substance (Type: PLACEBO_COMPARATOR): Arm where patients receive inactive substance for 5 days.

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