Please assess the completion status of the following clinical trial:

Trial Title: A Monocenter, Cross-sectional Study to Compare Different Type of Cognitive Impairment in Multiple Sclerosis Patients and Cerebrospinal Fluid Biomarkers (Beta Amyloid, Total Tau Protein and Tau-phosphorylated Protein).

Study Design Characteristics:
- Allocation: NON_RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: None
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* Groups 1 and 2 -patients MS - EDSS\<7~Group 3- patients with first clinical inflammatory symptom~Exclusion Criteria:~* Pregnant or not taking contraceptive~* Contraindication for lumbar puncture~* Contraindication for NMR

- Gender: ALL
- Minimum Age: 17 Years
- Maximum Age: 66 Years
- Healthy Volunteers: f

Study Arms:
- group 1 (Type: OTHER): MS with cortical cognitive troubles
- group 2 (Type: OTHER): MS with subcortical cognitive troubles
- group 3 (Type: OTHER): MS in the early stage of the disease when cognitive troubles are absent or inconspicuous

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