Please assess the completion status of the following clinical trial:

Trial Title: Rivastigmine in Multiple Sclerosis Patients With Cognitive Impairment

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~1. Written informed consent to participate in the trial~2. Males and females between 18 and 55 years of age;~3. Definite diagnosis of multiple sclerosis as defined by 2005 revised McDonald criteria~4. MS-subtype: Clinical isolated syndrome (CIS), Relapsing Remitting Multiple Sclerosis (RRMS), Secondary progressive Multiple Sclerosis (SPMS);~5. Cognitive Impairment~6. Sufficient education to read, write and communicate comprehensibly~Exclusion Criteria:~1. Use of other investigational drugs at the time of enrollment, or within 30 days or 5 half-lives of enrollment, whichever is longer~2. Women who are pregnant or breast feeding or who are menstruating and capable of becoming pregnant and not practicing a medically approved method of contraception~3. With a physical or sensory disability that can subjectively prevent the patient from completing all study requirements~4. Patients suffering any other type of concomitant psychiatric and/or neurological disorder other than MS which is known to affect cognition (e.g. severe depressive symptoms, cerebrovascular diseases, epilepsy).~5. Patients suffering an acute relapse of MS in the previous 30 days (treated or not with intravenous or oral glucocorticoid regimens) prior to baseline.~6. With a history or current problem of drug-addiction and/or alcohol abuse.~7. Known or 'new' diagnosis of diabetes mellitus (if screening blood glucose is suspicious for diabetes \[≥126 mg/dL or ≥7 mmol/L if fasting and ≥200 mg/dL or 11.1 mmol/L if random testing\] a patient should be further evaluated for diabetes mellitus)~8. With a history of severe or moderate-severe cranioencephalic trauma.~9. History or presence of any intolerance or contraindication for the application of rivastigmine (or for drugs with similar chemical structures) as listed in the current Investigator's Brochure and/or SPC, i.e. severe liver insufficiency, pancreatitis, gastric ulcer, convulsions.~10. With a history in the past year or a current diagnosis of cerebrovascular disease (for instance, stroke, transient ischemic events, aneurysms).~11. Severe depressive symptoms indicated by a score of more than ≥ 14 on the MADRS at screening~12. History of malignancy of any organ system, treated or untreated, within the past 5 years whether or not there is evidence of local recurrence or metastases, with the exception of localized basal cell carcinoma of the skin~Other protocol-defined inclusion/exclusion criteria may apply

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

Study Arms:
- Rivastigmine (Type: EXPERIMENTAL): Rivastigmine patch arm with the application of one 5 cm² patch, followed by an increase to the target dose of 10 cm² patch size.
- Placebo (Type: PLACEBO_COMPARATOR): Placebo patch arm with the application of one 5 cm² patch, followed by an increase to the target dose of 10 cm² patch size.

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