Please assess the completion status of the following clinical trial:

Trial Title: Non-invasive Clinical Imaging of Cerebral Metabolism Following Brain Injury Using 13C Magnetic Resonance Spectroscopy.

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: BASIC_SCIENCE
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~1. Subjects will be at least 18 years of age without gender or ethnic restrictions.~2. Severe accidental TBI defined as the lowest post-resuscitation GCS \< 8 prior to administration of sedatives or paralytics.~3. Eligibility for MRI per routine screening checklist.~Exclusion Criteria:~1. History of neurosurgical intervention, excluding the placement of ventriculostomy shunt~2. History of a prior known brain injury with associated loss of consciousness.~3. History of a known neurological disorder prior to qualifying injury.~4. History of psychiatric disorder.~5. History of diabetes or current unstable serum glucose level.~6. Renal insufficiency or known history of kidney disease.~7. Known contraindication to MRI such as, pacemaker, pregnancy, and/or other non-MR compatible implanted device.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 65 Years
- Healthy Volunteers: t

Study Arms:
- Experimental (Type: EXPERIMENTAL): 13C Magnetic resonance (MR) spectroscopy.

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