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The knowledge of responders and non\u2010responders before initiating treatment would improve decision making and reduce health care costs. The aims of this exploratory prediction study in cLBP patients treated with tapentadol were to identify predictors of treatment outcome based on baseline characteristics, to evaluate quality\u2010of\u2010life and functionality as alternative outcome parameters and to develop nomograms to calculate the individual probability of response.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>In a retrospective analysis of an open\u2010label phase 3b trial, 46 baseline characteristics were included into statistical prediction modelling. One hundred and twenty\u2010one patients were followed up during the titration and treatment period and 67 patients were analysed who discontinued the trial.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Demographic data were not relevant for response prediction. Nine baseline co\u2010variables were robust: painDETECT score, intensity of burning and painful attacks, SF36 Health Survey score (MCS, PCS), EuroQol\u20105, Hospital Anxiety\/Depression Scale. Gender had a minor influence. Alternative outcomes (quality\u2010of\u2010life, functionality) were more important for response prediction than conventional pain intensity measures. Neuropathic symptoms (high painDETECT score) had a positive predictive validity. Painful attacks and classical yellow flags (depression, anxiety) negatively influenced the treatment response. High depression scores, female gender and low burning predicted discontinuation during titration.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>In this exploratory study, predictive baseline characteristics have been identified that can be used to calculate the individual probability of tapentadol response in cLBP. The small sample size in relation to the number of initial variables is a limitation of this approach.<\/jats:p><\/jats:sec><jats:sec><jats:title>Significance<\/jats:title><jats:p>Predictors for treatment response of tapentadol were identified in patients with chronic low back pain based on clinical pre\u2010treatment characteristics that can guide personalized treatment. Quality\u2010of\u2010life and functionality were the most relevant outcomes for response prediction.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ejp.926","type":"journal-article","created":{"date-parts":[[2016,8,11]],"date-time":"2016-08-11T11:38:41Z","timestamp":1470915521000},"page":"322-333","source":"Crossref","is-referenced-by-count":27,"title":["Prediction of response to tapentadol in chronic low back pain"],"prefix":"10.1002","volume":"21","author":[{"given":"M.","family":"Reimer","sequence":"first","affiliation":[{"name":"Division of Neurological Pain Research and Therapy Department of Neurology University Hospital Schleswig\u2010Holstein Kiel Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P.","family":"H\u00fcllemann","sequence":"additional","affiliation":[{"name":"Division of Neurological Pain Research and Therapy Department of Neurology University Hospital Schleswig\u2010Holstein Kiel 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