• Christian Maihöfner, Anke de Haas, Vidhu Sethi, Gilbert Shanga, Teresa K Wilcox, Emese Csoke, and Kate Fabrikant.
• Department of Neurology, General Fürth Hospital, University of Erlangen, Germany.
• Curr Med Res Opin. 2023 Dec 1; 39 (12): 164916611649-1661.

ObjectiveDescribe and characterize treatment patterns, satisfaction, improvement in pain and functional impairment (health-related quality of life [HRQoL]) in users of over the counter (OTC) Voltaren gel diclofenac (VGD) 2.32% and 1.16% in a real-world setting.MethodsThis observational real-world German study had prospective and retrospective components. The prospective data were collected from electronic surveys completed by adults who purchased VGD to treat their musculoskeletal pain at baseline and 4 and 12 weeks after baseline. Retrospective data were from a 12-month (March 2019 to February 2020) abstraction from dispensing software platforms used in select German pharmacies.ResultsSurveys from 467 participants (mean age 60.8 years) were analyzed. Average pain severity at baseline was 6.0 on an 11-point Numeric Rating Scale (0 = no pain, 10 = worst possible pain), improving by 0.8 and 1.2 points at Weeks 4 and 12, respectively. Performance of functional activities (daily/physical/social activities and errands/chores) improved and the proportion of participants with at least moderate interference decreased at both follow-up timepoints. Retrospective analyses indicated that majority of patients receiving VGD (n = 95,085) were ≥65 years old (67.9%), had one dispensed tube (70.8%) and did not switch to another topical treatment (including other NSAIDs) (77.3%), and were co-prescribed at least one cardiovascular medication (74.3%).ConclusionsThis study provides the first real-world insights into OTC VGD use in Germany. The participants using VGD reported a decrease in pain severity and an improvement of HRQoL while under treatment, as well as resulting satisfaction with treatment. Patients infrequently switched to alternate topical therapies/NSAIDs.

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