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Therapeutic expectations of patients with multiple sclerosis upon initiating interferon beta-lb: Relationship to adherence to treatment

This study, conducted in three separate outpatient health care delivery settings, examined the therapeutic expectations of patients with multiple sclerosis (MS) before they initiated interferon beta-lb therapy, the results of current educational procedures to correct unrealistic expectations, and the relationship between post-education expectations and discontinuing therapy. Ninety-nine consecutive patients were seen in a university based outpatient MS clinic, an academic group practice outpatient MS clinic, or a health maintenance organization outpatient neurology clinic Before the educational sessions, 57% of the patients expressed unrealistically optimistic expectations regarding reduction in attack rate and 34% expressed unrealistically optimistic expectations regarding improvement in functional status. Educational procedures significantly altered unrealistic expectations but the results were sub-optimal since 33% of the patients maintained overly optimistic expectations regarding reduction in attack rate. Post-education unrealistic expectations of improvement in functional status were significantly related to discontinuing therapy within 6 months. Three adverse effects of therapy also were related independently to adherence to treatment depression and flu-like symptoms were related to discontinuing therapy while soreness at injection site was related to continuing therapy.