Please assess the completion status of the following clinical trial:

Trial Title: Gene Expression in MS Patients Before and During Treatment With Interferon-beta

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

Eligibility Criteria:
Inclusion Criteria:~* diagnosis of relapsing-remitting MS (McDonald criteria)~* age between 18-55~* EDSS less or equal to 5.5~Exclusion Criteria:~* use of any other disease modifying drugs~* use of corticosteroids during 3 months before starting protocol~* clinical relapse during 1 month before starting protocol~* serious heart, renal, hepatic or haematological dysfunction defined by laboratory exams

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 55 Years
- Healthy Volunteers: t

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