[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100649541":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":25,"centralContacts":28,"locations":34,"responsibleParty":49,"collaborators":25,"id":52,"slug":53,"hasResults":54,"nctId":55,"briefTitle":56,"officialTitle":57,"acronym":25,"eligibilityCriteria":58,"healthyVolunteers":54,"sex":59,"minAge":60,"maxAge":61,"enrollmentInfo":62,"targetDuration":25,"studyType":65,"phases":66,"briefSummary":68,"conditions":69,"keywords":25,"overallStatus":72,"whyStopped":25,"lastUpdateSubmitDate":73,"lastUpdatePostDateStruct":74,"startDateStruct":77,"completionDateStruct":79,"leadSponsor":81,"locationsCount":82},{"fullName":5,"class":6},"Beijing Tiantan Hospital","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Control Group","ACTIVE_COMPARATOR","Participants in the control group will receive routine clinical care for chronic nonspecific low back pain",[13],"Drug: Control Group",{"label":15,"type":16,"description":17,"interventionNames":18},"Venlafaxine group","EXPERIMENTAL","Venlafaxine is administered orally at a starting dose of 75 mg once daily. In patients with insufficient pain response who can tolerate the adverse effects, the dose may be carefully titrated up to 225 mg once daily. The maintenance period is 3 months.",[19],"Drug: Venlafaxine group",[21,26],{"type":22,"name":9,"description":23,"armGroupLabels":24,"otherNames":25},"DRUG","Participants in the control group will receive routine clinical care for chronic nonspecific low back pain.",[9],null,{"type":22,"name":15,"description":17,"armGroupLabels":27,"otherNames":25},[15],[29],{"name":30,"role":31,"phone":32,"phoneExt":25,"email":33},"Fang Luo","CONTACT","+8659976661","13611326978@163.com",[35],{"facility":5,"status":25,"city":36,"state":37,"zip":38,"country":37,"countryCode":39,"cosmosGeoPoint":40,"geoPoint":45,"contacts":46},"Beijing","China","100050","CN",{"type":41,"coordinates":42},"Point",[43,44],116.39723,39.9075,{"lat":44,"lon":43},[47],{"name":30,"role":31,"phone":48,"phoneExt":25,"email":33},"59976661",{"type":50,"investigatorFullName":30,"investigatorTitle":51,"investigatorAffiliation":5,"oldNameTitle":25,"oldOrganization":25},"PRINCIPAL_INVESTIGATOR","Director of Department of Pain Management","100649541","venlafaxine-for-non-specific-low-back-pain-100649541",false,"NCT07737158","Venlafaxine for Non-specific Low Back Pain","Efficacy and Safety of Venlafaxine in the Treatment of Non-specific Low Back Pain","Inclusion Criteria:\n\n* Adults aged 18 to 75 years.\n* Diagnosis of chronic nonspecific low back pain, defined as pain located below the costal margin and above the inferior gluteal folds, lasting for more than 3 months, without a specific pathological cause.\n* Moderate to severe pain, defined as a Numerical Rating Scale score of 3 or higher.\n* Able to understand the study procedures and sign written informed consent.\n\nExclusion Criteria:\n\n* Low back pain caused by a known specific pathological condition, including but not limited to fracture, malignancy, infection, inflammatory disease, or other identifiable structural or systemic causes.\n* Major comorbidities that may interfere with study outcomes or represent contraindications to the study medication.\n* Current or previous diagnosis of depression, regardless of whether treatment was received.\n* Current or previous use of antidepressant medication.\n* Current use of opioid analgesics.\n* Pregnancy, breastfeeding, or planned pregnancy during the study period.\n* Known allergy, hypersensitivity, or contraindication to toludesvenlafaxine.\n* History of psychosis or other major psychiatric disorders.\n* Any condition that, in the investigator's judgment, makes the participant unsuitable for the study.","ALL","18 Years","75 Years",{"count":63,"type":64},228,"ESTIMATED","INTERVENTIONAL",[67],"NA","Chronic non-specific low back pain is the leading cause of productivity loss and disability worldwide, constituting a major public health challenge. This study aims to systematically evaluate and compare the role of the antidepressant drug Venlafaxine in chronic non-specific low back pain, which is of critical importance for optimising clinical practice and developing precise, individualised treatment regimens.",[70,71],"Non-specific Low Back Pain","Pain Management","NOT_YET_RECRUITING","2026-07-27",{"date":75,"type":76},"2026-07-30","ACTUAL",{"date":78,"type":64},"2026-09-01",{"date":80,"type":64},"2028-12-30",{"name":5,"class":6},1]