Please assess the completion status of the following clinical trial:

Trial Title: Cortico-saving Treatments Proposed for CLIPPERS: a First Cohort

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:~* Patient correctly informed about the study~* Symptoms and/or clinical signs indicating that the brain stem is affected~* MRI shows punctate gadolinium highlights and/or curvilinear bridge and/or middle cerebellar peduncles~* Clinical and radiological cortico sensitivity~* If a cerebral biopsy has been performed, presence of a lymphocytic, histiocytic or lympho-hysticytic infiltrate~Exclusion Criteria:~* symptoms and/or clinical signs indicating impairment other than the central nervous system~* Cortical impairment present on MRI, microbleeds, stenosis on magnetic resonance angiography, or pacchymeningitis~* Presence of other diseases that could explain such clinical and radiological signs (see inclusion criteria)~* If a cerebral biopsy has been performed, presence of signs of malignancy (eg, clonal proliferation, cellular atypia), vasculitis, granuloma, or demyelination

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

Study Arms:
- CLIPPERS patients (Type: None): The population concerned by this study consists of patients diagnosed according to CLIPPERS criteria (see inclusion and exclusion criteria).~Intervention: Data entry

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