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- W2803089126 abstract "ObjectiveTo evaluate intraarticular onabotulinumtoxinA 400 U and 200 U in reducing symptoms of knee osteoarthritis (OA) in patients with nociceptive pain.DesignA multicenter, double-blind, randomized, placebo-controlled study was conducted in adults with knee OA and a painDETECT questionnaire score of ≤12 (indicating nociceptive pain). Patients were randomized to receive intraarticular onabotulinumtoxinA 400 U or 200 U or placebo (saline) in the study knee on a 1:1:2 ratio and were followed-up for 24 weeks posttreatment. The primary efficacy measure was the daily average numeric rating scale pain score for the study knee over 7 days at week 8. Secondary efficacy measures included the Western Ontario and McMaster Universities Osteoarthritis Index pain and physical function scores, the patient global impression of change score and the 7-day average worst pain score.ResultsOf the 176 enrolled patients, 158 completed the study. The daily average pain score was reduced by approximately two points for all treatments (week 8); the reduction was sustained throughout follow-up, with no significant between-group difference between onabotulinumtoxinA and placebo (both doses: 0.22 [95% confidence interval (CI): −0.33, 0.76]; 400 U: 0.42 [95% CI: −0.26, 1.10]; 200 U: −0.03 [95% CI: −0.70, 0.64]). Similar results were found for all secondary efficacy measures. Treatment-related adverse events occurred in 3.4% of the pooled onabotulinumtoxinA group and placebo group; none were serious.ConclusionsThere were no significant differences between onabotulinumtoxinA and placebo in reducing average pain score at week 8 compared with baseline in patients with knee OA. No safety concerns were identified.ClinicalTrials.gov identifierNCT02230956. To evaluate intraarticular onabotulinumtoxinA 400 U and 200 U in reducing symptoms of knee osteoarthritis (OA) in patients with nociceptive pain. A multicenter, double-blind, randomized, placebo-controlled study was conducted in adults with knee OA and a painDETECT questionnaire score of ≤12 (indicating nociceptive pain). Patients were randomized to receive intraarticular onabotulinumtoxinA 400 U or 200 U or placebo (saline) in the study knee on a 1:1:2 ratio and were followed-up for 24 weeks posttreatment. The primary efficacy measure was the daily average numeric rating scale pain score for the study knee over 7 days at week 8. Secondary efficacy measures included the Western Ontario and McMaster Universities Osteoarthritis Index pain and physical function scores, the patient global impression of change score and the 7-day average worst pain score. Of the 176 enrolled patients, 158 completed the study. The daily average pain score was reduced by approximately two points for all treatments (week 8); the reduction was sustained throughout follow-up, with no significant between-group difference between onabotulinumtoxinA and placebo (both doses: 0.22 [95% confidence interval (CI): −0.33, 0.76]; 400 U: 0.42 [95% CI: −0.26, 1.10]; 200 U: −0.03 [95% CI: −0.70, 0.64]). Similar results were found for all secondary efficacy measures. Treatment-related adverse events occurred in 3.4% of the pooled onabotulinumtoxinA group and placebo group; none were serious. There were no significant differences between onabotulinumtoxinA and placebo in reducing average pain score at week 8 compared with baseline in patients with knee OA. No safety concerns were identified." @default.
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- W2803089126 date "2018-10-01" @default.
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- W2803089126 title "Efficacy and safety of single-dose onabotulinumtoxinA in the treatment of symptoms of osteoarthritis of the knee: results of a placebo-controlled, double-blind study" @default.
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- W2803089126 doi "https://doi.org/10.1016/j.joca.2018.05.001" @default.
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