Patient-reported outcomes in patients with relapsing forms of MS switching to teriflunomide from other disease-modifying therapies: Results from the global Phase 4 Teri-PRO study in routine clinical practice

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BackgroundPatient-reported outcomes (PROs) can assist clinicians in understanding the impact of disease-modifying therapy (DMT) on the daily lives of patients with multiple sclerosis (MS). With an increased number of DMTs becoming available, patients are now switching treatments more frequently in clinical practice. The effects of switching DMTs on a patient's daily life and their disease course may be reflected in PROs. The global, multicenter, open-label, phase 4 Teri-PRO study (NCT01895335), which was conducted in routine clinical practice, previously showed statistically and clinically significant increases in patient-reported treatment satisfaction in patients switching to teriflunomide from other DMTs. The impact of switching to teriflunomide from other DMTs on treatment satisfaction and a range of additional PROs was also evaluated. MethodsPatients with relapsing forms of MS (N = 1000) received teriflunomide for 48 weeks per local labeling. Outcomes assessed in this analysis included treatment satisfaction (as measured by Treatment Satisfaction Questionnaire for Medication [Version 1.4]), disability worsening (as measured using the Expanded Disability Status Scale [EDSS] score, the Patient-Determined Disease Steps scale, and the Multiple Sclerosis Performance Scale), cognition (as measured using the Symbol Digit Modalities Test [SDMT]), treated relapses, quality of life (as measured by the Multiple Sclerosis International Quality of Life [MusiQoL] questionnaire and the Stern Leisure Activity Scale), and safety/tolerability over the course of the study in the subgroup of patients switching to teriflunomide from another DMT (n = 594). ResultsPatients reported significant improvements in treatment satisfaction scores following the switch to teriflunomide regardless of the reason for treating with teriflunomide (Global Satisfaction, disease worsening: baseline, 46.0, Week 48, 65.1; convenience: baseline, 57.4, Week 48, 72.4; intolerance: baseline, 50.9, Week 48, 71.1; side effects: baseline, 49.7, Week 48, 67.2; P < 0.0001 in all comparisons). These patients also showed improvement or stability in PROs evaluating disability worsening, cognition, and quality of life (EDSS: baseline, 3.1, Week 48, 3.0; SDMT: baseline, 0.975, Week 48, 0.978; MusiQoL: baseline, 67.5, Week 48, 69.5). The safety and tolerability profile of teriflunomide was consistent with that observed in other teriflunomide clinical trials. ConclusionThis analysis of the Teri-PRO study demonstrates the value of switching to teriflunomide from other DMTs in a real-world, clinical practice setting. The high levels of treatment satisfaction associated with teriflunomide in Teri-PRO may lead to improved adherence and thus improved outcomes.