Please assess the completion status of the following clinical trial:

Trial Title: In Vitro NMR Spectroscopy in Neurological Diseases

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

Eligibility Criteria:
Inclusion Criteria:~* Group 1: Any patient with an unexplained complex neurological disease~* Group 2: Patients with known inborn error of metabolism~* Group 3: patients with known non metabolic disease~Exclusion Criteria:~* none

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

Study Arms:
- 1 (Type: None): patients with complex neurological disease of unknown cause
- 2 (Type: None): positive controls : patients with already known metabolic disease for whom we already have CSF or urines
- 3 (Type: None): negative controls: patients with non metabolic neurological disorders of known cause hospitalized for a lumbar puncture

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