Status of outcome measures in randomized controlled trials of kidney-tonifying and blood-activating method in treatment of knee osteoarthritis
This study assesses the status of outcome measures in the randomized controlled trial(RCT)involving the kidney-tonif-ying and blood-activating method for treating knee osteoarthritis(KOA),aiming to establish a theoretical foundation for the develop-ment of a core set of outcome measures in traditional Chinese medicine(TCM)treatment of KOA.The relevant articles were retrieved from CNKI,Wanfang,VIP,SinoMed,PubMed,EMbase,Cochrane Library,and Web of Science,in addition to ClinicalTrials.gov and the China Clinical Trial Registration Center,with the time interval from inception to August 2023.The RCT of treating KOA with the kidney-tonifying and blood-activating method was included.Two assessors independently conducted literature screening,data col-lection,and qualitative analysis to compile the outcome measure results.A total of 350 RCTs were included,involving 165 outcome measures with the total frequency of 1 462.These outcome measures were categorized into six domains:symptom and sign measures(23)with the frequency of 718(49.1%),TCM symptom and syndrome measures(3)with the frequency of 53(3.6%),physical examination measures(130)with the frequency of 506(34.6%),quality of life measures(4)with the frequency of 20(1.3%),long-term efficacy measures(2)with the frequency of 6(0.4%),and safety measures(3)with the frequency of 159(10.9%).Ad-ditionally,53 studies used TCM syndrome and symptom scores as indicators of efficacy,employing eight distinct measurement tools.The RCTs involving the kidney-tonifying and blood-activating method for treating KOA had a variety of problems,such as unclear prio-ritization of outcome measures,diversity in measurement tools,absence of standardized assessment criteria for specific measures,and non-standardized usage.These problems affected the research quality and reliability.Hence,it is advisable to draw upon international expertise,improve research design,and merge TCM efficacy characteristics with clinical research to establish a core set of KOA out-come measures aligned with TCM principles.
knee osteoarthritiskidney-tonifying and blood-activating methodrandomized controlled trialoutcome measuresresearch statuscore outcome set
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