Please assess the completion status of the following clinical trial:

Trial Title: Investigation of Brain Nitrogen in Partial Ornithine Transcarbamylase Deficiency (OTCD) Using 1 H MRS, DTI, and fMRI

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: COHORT
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~Subject inclusion criteria:~1. Patients with OTCD;~2. Age range: 7-60 years~3. Able to undergo neuroimaging safely (i.e. without presence of ferromagnetic devices)~4. Subject has a documented full scale IQ \> 70~Control participant inclusion criteria:~1. Healthy males and females without metabolic disease aged 7-60 years~2. Subject has a documented full scale IQ \> 70~Exclusion Criteria:~Subject exclusion criteria:~1. Mental retardation (i.e., Full Scale IQ\< 70)~2. Age range \<7 or \>60 years~3. Presence of ferromagnetic device(s) that preclude safe imaging~4. Pregnant female~Control exclusion criteria:~1. Subjects with a documented history of an intellectual deficit (i.e., Full Scale IQ\< 70)~2. Age range \<7 or \>60 years~3. Presence of ferromagnetic device(s) that preclude safe imaging~4. Pregnant female

- Gender: ALL
- Minimum Age: 7 Years
- Maximum Age: 60 Years
- Healthy Volunteers: t

Study Arms:
- Subjects with OTCD (Type: None): males and females ages 7-60 years with OTCD who are able to undergo MRI and cognitive testing MRI scanning~1H MRS, DTI, FMRI Cognitive testing Neuropsychological testing
- Healthy controls (Type: None): males and females ages 7-60 years who are healthy controls who are able to undergo MRI and cognitive testing MRI scanning~1H MRS, DTI, FMRI Cognitive testing Neuropsychological testing

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