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A longitudinal study of quality of life and side effects in patients with multiple sclerosis treated with interferon

Robert Zivadinov1, Marino Zorzon, Maria Antonietta Tommasi

  • 1Department of Clinical Medicine and Neurology, Cattinara Hospital, University of Trieste, Strada di Fiume, 447-34149, Trieste, Italy.

Insights

One year of interferon beta-1a (IFNbeta-1a) treatment did not alter quality of life in relapsing-remitting multiple sclerosis (RRMS) patients. Mild side effects were reported but did not impact quality of life.

Area of Science:

  • Neurology
  • Immunology
  • Pharmacology

Background:

  • Relapsing-remitting multiple sclerosis (RRMS) is a chronic autoimmune disease.
  • Interferon beta-1a (IFNbeta-1a) is a common treatment for RRMS.
  • Understanding the long-term impact of IFNbeta-1a on patient well-being is crucial.

Purpose of the Study:

  • To evaluate the 12-month effect of interferon beta-1a (IFNbeta-1a) on quality of life (QOL) in RRMS patients.
  • To assess changes in disability, independence, cognition, mood, and fatigue.
  • To analyze the frequency and severity of IFNbeta-1a side effects and their correlation with QOL.

Main Methods:

  • A 12-month follow-up study involving 27 RRMS patients treated with IFNbeta-1a (Avonex).
  • Assessment of QOL, disability, independence, cognition, depression, anxiety, and fatigue at baseline, 6, and 12 months.
  • Weekly self-reported questionnaires on side effect frequency and severity post-injection.

Main Results:

  • Patient quality of life (QOL) showed no significant change over the 12-month follow-up period.
  • The percentage of patients reporting side effects remained constant, but the mean number of side effects increased significantly from month 6 to 12.
  • Mild side effects did not diminish over time, did not lead to treatment discontinuation, and did not correlate with QOL.
  • Disability progression was found to correlate with patient QOL.

Conclusions:

  • One-year treatment with interferon beta-1a (IFNbeta-1a) did not significantly alter patient quality of life in RRMS.
  • While side effects were persistent and increased over time, they were mild and did not negatively impact QOL or lead to treatment cessation.
  • Disability progression is a key factor influencing QOL in RRMS patients undergoing IFNbeta-1a therapy.

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