Multiple modality approach to assess adherence to medications across time in Multiple Sclerosis.

Mult Scler Relat Disord

Rappaport Faculty of Medicine & Research Institute, Technion Institute of Technology, Haifa, Israel; Multiple Sclerosis Center & Neuroimmunology Unit, Carmel Medical Center, Haifa, Israel.

Published: May 2020

AI Article Synopsis

  • Medication adherence in Relapsing Multiple Sclerosis (RMS) is often measured through electronic pharmacy records, yet it can be assessed through various methods over time.
  • Researchers evaluated medication adherence among 194 PwMS at baseline, and 6 and 12 months later, using medication possession ratio (MPR) alongside patient-reported outcomes (PROs) and electronic monitoring devices.
  • Findings revealed that MPR may underestimate actual adherence, with 66% and 64.9% of patients showing adherence at two time points; adherence remains a complex and inconsistent behavior that requires regular assessment and multiple measurement approaches in clinical settings.

Article Abstract

Background: Medication adherence is especially challenging in a chronic condition such as Relapsing Multiple Sclerosis (RMS). Medication adherence among persons with MS (PwMS) is usually assessed via a single measure, mostly electronic pharmacy records.

Objectives: Assess medication adherence in multiple modes across time among PwMS; examine consistency across time and associations between measures.

Methods: PwMS (N = 194) were surveyed prospectively at three time points (baseline, 6 and 12 months later) and their health records and medication claims were retrospectively obtained. Adherence score was based on medication possession ratio (MPR) and two patient-reported outcome (PRO) measures. Electronic monitoring devices assessing medication adherence were also initiated.

Results: MPR of each nonadherent PwMS, once compared to medical records containing prescription changes, was found as underestimating adherence. MPR was between the two PROs in identifying nonadherence and associations between the measures and across time was moderate (Kappa ranged 0.37-0.42). The use of electronic monitoring devices was not adopted by patients. A score indicated adherence as 66% and 64.9% at Time1 and Time 2, respectively, with 21.1% of PwMS nonadherent at both time points. Adherence did not vary significantly by DMT type.

Conclusions: Being a dynamic behavior, medication adherence should be repeatedly monitored by using multiple modalities and focused on in clinician-patient encounters, especially in chronic diseases such as MS, which requires long-term treatments. Applying PROs in monitoring medication adherence would facilitate implementation of Participatory Medicine and patient-centered strategies in MS care.

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Source
http://dx.doi.org/10.1016/j.msard.2020.101951DOI Listing

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