Controlled clinical trials
            ReviewedAbout the search
            
            - Responsible
 - BIREME|OPS|OMS
 
- Description
 - Search strategy for Type of Study Filter on VHL
 
- Main subjects
 - Ensaio clínico Controlado; Ensaio clínico randomizado; Ensaio clínico aleatório; Controlled clinical trial; Randomized clinical trial
 
- Search result
 - Portal Regional BVS
 
 
            
                        
                        
            Search strategy
            
            - Observation
 - Handbook Cochrane -
https://training.cochrane.org/handbook/current/chapter-04-technical-supplement-searching-and-selecting-studies
 
Hiru McMaster - https://hiru.mcmaster.ca/hiru/HIRU_Hedges_MEDLINE_Strategies.aspx
 
CADTH - https://searchfilters.cadth.ca/list?q=&ps=20&p=1
 
Nota Técnica para Ensaios Clínicos: orientações para indexação de acordo com a Metodologia LILACS
 
            
            
            - iAHx search strategy
 - (mh:("Randomized Controlled Trials as Topic" OR "Controlled Clinical Trials as Topic" OR "Random Allocation" OR "Double-Blind Method" OR "Single-Blind Method" OR "Placebos" OR "Multicenter Studies as Topic" OR "Cross-Over Studies" OR "Pragmatic Clinical Trials as Topic") OR pt:("Randomized Controlled Trial" OR "Controlled Clinical Trial" OR "Multicenter Studies" OR "Pragmatic Clinical Trial") OR ti:(random* OR aleatori* OR placebo*) OR (ti:("clinical trial" OR "ensayo clinico" OR "ensaio clinico") AND tw:(control* OR random* OR aleatori* OR placebo*)) OR (ti:("cross-Over" OR multicenter OR multicentric*) AND ti:(study OR studies OR estud*)) OR ab:(randomi* OR aleatori* OR placebo*) OR (ab:("clinical trial" OR "ensayo clinico" OR "ensaio clinico") AND tw:(control* OR random* OR aleatori* OR placebo*)) OR (ab:("cross-Over" OR multicenter OR multicentric*) AND ab:(study OR studies OR estud*)) OR (tw:(simple* OR singl* OR duplo* OR doble* OR doubl* OR trebl* OR tripl*) AND tw:(cego OR ciego OR blind OR mask OR dumm*))) AND NOT ((mh:"animals" AND NOT mh:"humans") OR mh:"Retrospective Studies")
 
            
            Search strategy II
            
            - Observation
 - Narrow / Específico
 
            
            
            - iAHx search strategy
 - (mh:("Randomized Controlled Trials as Topic" OR "Controlled Clinical Trials as Topic" OR "Random Allocation" OR "Double-Blind Method" OR "Single-Blind Method" OR "Placebos" OR "Multicenter Studies as Topic" OR "Cross-Over Studies" OR "Pragmatic Clinical Trials as Topic") OR pt:("Randomized Controlled Trial" OR "Controlled Clinical Trial" OR "Multicenter Studies" OR "Pragmatic Clinical Trial") OR ti:(random* OR aleatori* OR placebo*) OR (ti:("clinical trial" OR "ensayo clinico" OR "ensaio clinico") AND tw:(control* OR random* OR aleatori* OR placebo*)) OR (ti:("cross-Over" OR multicenter OR multicentric*) AND ti:(study OR studies OR estud*))) AND NOT ((mh:"animals" AND NOT mh:"humans") OR mh:"Retrospective Studies")
 
            
            Search strategy III
            
            - Observation
 - Estratégia anterior
 
            
            
            - iAHx search strategy
 - ((pt:"Ensaio Clinico Controlado Aleatorio" OR pt:"Ensaio Clinico Controlado" OR pt:"Estudo Multicentrico" OR mh:"Ensaios Clinicos Controlados Aleatorios como Assunto" OR mh:"Ensaios Clinicos Controlados como Assunto" OR mh:"Estudos Multicentricos como Assunto" OR mh:"Distribuicao Aleatoria" OR mh:"Metodo Duplo-Cego" OR mh:"Metodo Simples-Cego" OR mh:"Placebos") OR ((tw:ensaio$ OR tw:ensayo$ OR tw:trial$) AND (tw:azar OR tw:acaso OR tw:placebo OR (tw:control* AND (tw:group OR tw:grupo)) OR tw:aleator$ OR tw:randomi$ OR tw:enmascarado$ OR tw:simpleciego OR ((tw:simple$ OR tw:singl* OR tw:duplo$ OR tw:doble$ OR tw:doubl$ OR tw:trebl* OR tw:tripl*) AND (tw:cego OR tw:ciego OR tw:blind OR tw:mask OR OR tw:dumm*) AND tw:clinic$)))) AND NOT ((mh:animais OR mh:coelhos OR mh:ratos OR mh:camundongos OR mh:primatas OR mh:caes OR mh:gatos OR mh:suinos OR mh:"tecnicas in vitro") AND NOT mh:humans)
 
            
            
            Search strategy (Pubmed)
            
            - Observation
 - Adaptad by BIREME
 
            
            
            - Search strategy
 - ("Randomized Controlled Trials as Topic"[Mesh] OR "Controlled Clinical Trials as Topic"[Mesh] OR "Random Allocation"[Mesh] OR "Double-Blind Method"[Mesh] OR "Single-Blind Method"[Mesh] OR "Placebos"[Mesh] OR "Multicenter Studies as Topic"[Mesh] OR "Cross-Over Studies"[Mesh] OR "Pragmatic Clinical Trials as Topic"[Mesh] OR "Prospective studies"[Mesh] OR "Randomized Controlled Trial"[Publication Type] OR "Controlled Clinical Trial"[Publication Type] OR ("Clinical Trial"[Title/Abstract] AND (control*[TW] OR random*[TW] OR aleatori*[TW] OR placebo[TW])) OR ((multicentric*[Title/Abstract] OR multicenter[Title/Abstract] OR "Cross-Over"[Title/Abstract]) AND (study[Title/Abstract] OR studies[Title/Abstract])) OR ((singl*[TW] OR doubl*[TW] OR trebl*[TW] OR tripl*[TW]) AND (mask*[TW] OR blind*[TW]))) NOT ((animals[Mesh] NOT humans[Mesh]) OR "Retrospective Studies"[Mesh])