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Mobile Phone Text Messages and Effect on Treatment Adherence in Patients Taking Methotrexate for Rheumatoid Arthritis: A Randomized Pilot Study
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Edité par CCSD ; Wiley-Blackwell -
International audience. Objective To assess the impact of weekly text messages on adherence in patients taking methotrexate (MTX) for rheumatoid arthritis (RA). Methods This prospective, randomized pilot, single-site study included patients with RA stabilized using MTX alone or combined with biologics. Participants were randomized to 3 interventions: a standard consultation (controls), a 15-minute pharmacist-led counseling session, or the receipt of text message reminders. The change over time in the Compliance Questionnaire Rheumatology (CQR-19) score between baseline and 6 months was defined as the primary outcome for adherence. Multivariable analyses and final adherence (as a composite outcome of the CQR-19 score, the Girerd score, and the medication possession ratio) were probed in sensitivity tests. Rheumatologic scales, inflammation, and patient satisfaction were also analyzed. Results A total of 96 patients (mean +/- SD Disease Activity Score in 28 joints 2.42 +/- 1.03) were monitored. The change over time in the CQR-19 score was significantly higher in the text message group (mean +/- SD 3.32 +/- 5.66; P = 0.02) than in the control group (mean +/- SD 0.22 +/- 6.56) and the pharmacist-led counseling group (mean +/- SD -0.14 +/- 7.56). Multivariable logistic regression showed that text messages remained associated with an increase in the CQR-19 score, independently of the baseline CQR-19 score (odds ratio 3.63 [95% confidence interval 1.26-10.49]; P = 0.017). In the text message group, the increase in the CQR-19 score was correlated with the Health Assessment Questionnaire score (r = -0.405, P = 0.021), and patient satisfaction was significantly higher (P < 0.01) than in the control group. Conclusion Our results showed evidence of a positive impact of text messages on adherence to MTX treatment for RA. The clinical benefit and the ideal target patient remain to be determined.
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