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10.1590/1980-549720200104 http://scihub22266oqcxt.onion/10.1590/1980-549720200104 33439937!ä!33439937 Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Rev+Bras+Epidemiol 2021 ; 23 (ä): e200104 Nephropedia Template TP {{tp|p=33439937|t=2021. Avaliacao da resposta inicial de desenvolvimento de ensaios clinicos para COVID-19 no Brasil |pdf=|usr=}}{{33439937}} gab.com Text Avaliacao da resposta inicial de desenvolvimento de ensaios clinicos para COVID-19 no Brasil JO: Rev Bras Epidemiol http://www.kidney.de/pget.php?&tw=1&pmid=33439937 #FOAvip OBJECTIVE: To describe the methodological characteristics and good research practices of COVID-19 interventional studies developed in Brazil in the first months of the pandemic. METHODS: We reviewed the bulletin of the National Research Ethics Committee - Coronavirus Special Edition (Comissao Nacional de Etica em Pesquisa - CONEP-COVID) (May 28, 2020) and the databases of the International Clinical Trials Registry Platform (ICTRP), ClinicalTrials.gov, and Brazilian Clinical Trials Registry (Registro Brasileiro de Ensaios Clinicos - ReBEC) to identify interventional studies registered in Brazil that assessed drug type, biological therapy, or vaccines. We described their methodological characteristics and calculated their power for different effect magnitudes. RESULTS: A total of 62 studies were included, 55 retrieved from the CONEP website, and 7 from registry databases. The most tested pharmacological interventions in these studies were: chloroquine/hydroxychloroquine, azithromycin, convalescent plasma, tocilizumab, sarilumab, eculizumab, vaccine, corticosteroids, anticoagulants, n-acetylcysteine, nitazoxanide, ivermectin, and lopinavir/ritonavir. Out of 22 protocols published on registry databases until May 2020, 18 (82%) were randomized clinical trials, and 13 (59%) had an appropriate control group. However, 9 (41%) of them were masked, and only 5 (24%) included patients diagnosed with a specific laboratory test (for example, reverse transcription polymerase chain reaction - RT-PCR). Most of these studies had power > 80% only to identify large effect sizes. In the prospective follow-up, 60% of the studies available at CONEP until May 2020 had not been published on any registry platform (ICTRP/ReBEC/ClinicalTrials) by July 21, 2020. CONCLUSION: The interventions evaluated during the Brazilian research response reflect those of international initiatives, but with a different distribution and a large number of studies assessing hydroxychloroquine/chloroquine. Limitations in methodological design and sample planning represent challenges that could affect the research outreach. Twit Text FOAVip Avaliacao da resposta inicial de desenvolvimento de ensaios clinicos para COVID-19 no Brasil ????Rev Bras Epidemiol http://www.kidney.de/pget.php?&tw=1&pmid=33439937 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=33439937 #FOAvip English Wikipedia <ref>{{Cite pmid|33439937}}</ref> Avaliacao da resposta inicial de desenvolvimento de ensaios clinicos para COVID-19 no Brasil #MMPMID33439937 Ribeiro TB; Mazotti TA; Silva NAO; Stein AT; Diaz-Quijano FA; Melo DO Rev Bras Epidemiol 2021[]; 23 (ä): e200104 PMID33439937show ga OBJECTIVE: To describe the methodological characteristics and good research practices of COVID-19 interventional studies developed in Brazil in the first months of the pandemic. METHODS: We reviewed the bulletin of the National Research Ethics Committee - Coronavirus Special Edition (Comissao Nacional de Etica em Pesquisa - CONEP-COVID) (May 28, 2020) and the databases of the International Clinical Trials Registry Platform (ICTRP), ClinicalTrials.gov, and Brazilian Clinical Trials Registry (Registro Brasileiro de Ensaios Clinicos - ReBEC) to identify interventional studies registered in Brazil that assessed drug type, biological therapy, or vaccines. We described their methodological characteristics and calculated their power for different effect magnitudes. RESULTS: A total of 62 studies were included, 55 retrieved from the CONEP website, and 7 from registry databases. The most tested pharmacological interventions in these studies were: chloroquine/hydroxychloroquine, azithromycin, convalescent plasma, tocilizumab, sarilumab, eculizumab, vaccine, corticosteroids, anticoagulants, n-acetylcysteine, nitazoxanide, ivermectin, and lopinavir/ritonavir. Out of 22 protocols published on registry databases until May 2020, 18 (82%) were randomized clinical trials, and 13 (59%) had an appropriate control group. However, 9 (41%) of them were masked, and only 5 (24%) included patients diagnosed with a specific laboratory test (for example, reverse transcription polymerase chain reaction - RT-PCR). Most of these studies had power > 80% only to identify large effect sizes. In the prospective follow-up, 60% of the studies available at CONEP until May 2020 had not been published on any registry platform (ICTRP/ReBEC/ClinicalTrials) by July 21, 2020. CONCLUSION: The interventions evaluated during the Brazilian research response reflect those of international initiatives, but with a different distribution and a large number of studies assessing hydroxychloroquine/chloroquine. Limitations in methodological design and sample planning represent challenges that could affect the research outreach. |*COVID-19 Drug Treatment[MESH] |*Clinical Trials as Topic[MESH] |Brazil[MESH] |Humans[MESH] |Prospective Studies[MESH]Avaliacao da resposta inicial de desenvolvimento de ensaios clinicos p(epmc).pdf DeepDyve Pubget Overpricing