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Patient Experience of Antimuscarinic Treatment for Overactive Bladder: A Qualitative Exploration of Online Forum
Elise Morocco1, Kyle Latack2, Katharine Ciesielski1
1From the Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA.
Importance:
Antimuscarinic medications are often discontinued, and there is a paucity of data regarding patient experience of medications within this class.
Objective:
The objective of this study is to qualitatively explore patient experience of antimuscarinic medications used for overactive bladder using reviews on Drugs.com.
Study Design:
We examined reviews prior to February 2, 2020 (available since 2008) for oral antimuscarinic medications. User content was reviewed qualitatively via inductive content analysis. Investigators coded third-party impressions, categorizing each review as positive, mostly positive, mostly negative, or negative. The prevalence of side effects, themes, and impressions are described, with comparisons by drug using χ2, Mann-Whitney U, and Kruskal-Wallis tests, as appropriate. Correlation between ordinal and categorical variables was performed using Tau and Spearman correlation coefficients, respectively.
Results:
We analyzed 469 user reviews. 68.2% reported symptom improvement. The most common side effects were dry mouth (29%) and fatigue (10.7%). Fewer neurologic side effects were reported in the solifenacin (13.9%) and trospium (none) groups (P = 0.009). Tolterodine and trospium immediate release had lower rates of ears, nose, and throat side effects (22.5% and 26.2%, respectively, P = 0.001.) Analysis of themes suggested 2 domains driving overall satisfaction: improvement and side effects. Improvement was associated with a positive satisfaction score (ρ = 0.64, P < 0.001) and gestalt impression (ρ = 0.74, P < 0.001). The factors that most negatively affected these measures were persistent symptoms followed by gastrointestinal side effects (P < 0.001).
Conclusions:
Our data suggest important differences within this class of medication both in terms of side effects and patient satisfaction. Furthermore, symptom improvement is the leading factor for patient satisfaction, whereas gastrointestinal side effects are associated with dissatisfaction.
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