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screening), with a clear indication for lumbar spinal surgery ((micro)discectomy, decompression and\u002For fusion), in accordance with the KCE guidelines (when evidence-based multimodal management has not improved pain or function and radiological findings are consistent with clinical symptoms)\n* Employed (working or on sick leave for less than 1 year due to spinal pathology)\n* Age 18 - 65 years\n* Surgery is scheduled within a timeframe of five days to 2 months after the decision for surgery (4 months for fusion)\n* For lumbar fusion surgery, the fusion should be restricted to one or two levels\n* Able to provide written informed consent, implying that the participant is both physically and cognitively capable of understanding the study information and signing the consent form independently.\n\nExclusion Criteria:\n\nPatients are not eligible for the trial in case of any of the following criteria:\n\n* Lumbar surgery performed for malignant disease, spinal fracture, infectious spinal disease\n* Insufficient knowledge of Dutch or French language to receive education in the recruiting center and to complete the questionnaires (consistent with the language spoken in the recruiting centre)\n* Immediate surgery via emergency admission that precludes prehabilitation\n* Revision fusion surgery\n* Non-residency in Belgium","ALL","18 Years","65 Years",{"count":256,"type":257},480,"ESTIMATED","INTERVENTIONAL",[260],"NA","The R³ trial is a multicentre cluster randomized controlled trial evaluating an evidence-based, person-centred rehabilitation pathway for patients undergoing lumbar surgery for radicular pain. 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