%0 Journal Article %T A multicenter feasibility study of chronic graft-versus-host disease according to the National Institute of Health criteria: efforts to establish a Brazil-Seattle consortium as a platform for future collaboration in clinical trials %A Vigorito %A Afonso Celso %A Bouzas %A Luis Fernando da Silva %A Moreira %A Maria Cl¨¢udia Rodrigues %A Funke %A Vaneuza Ara¨²jo Moreira %A Colturato %A Virg¨ªlio Antonio Rensi %A Pedro %A Andr¨¦ia %A Souza %A Clarissa Vasconcellos de %A Nunes %A Elenaide Coutinho %A Miranda %A Eliana Cristina Martins %A Camacho %A K¨¢tia %A Mauad %A Marcos Augusto %A Correa %A Maria Elvira Pizzigatti %A Silva %A M¨¢rcia de Matos %A Sousa %A Mair Pedro de %A Tavares %A Rita de C¨¢ssia Barbosa da Silva %A Lee %A Stephanie Joi %A Flowers %A Mary Evelyn Dantas %J Revista Brasileira de Hematologia e Hemoterapia %D 2011 %I Sociedade Brasileira de Hematologia e Hemoterapia %R 10.5581/1516-8484.20110078 %X background: new criteria for the diagnosis and classification of chronic graft-versus-host disease were developed in 2005 for the purpose of clinical trials with a consensus sponsored by the national institute of health. objectives: the aim of this study is to present the results of a multicenter pilot study performed by the brazil-seattle chronic graft-versus-host disease consortium to determine the feasibility of using these criteria in five brazilian centers. methods: the study was performed after translation of the consensus criteria into portuguese and training. a total of 34 patients with national institute of health chronic graft-versus-host disease were enrolled in the pilot study between june 2006 and may 2009. results: of the 34 patients, 26 (76%) met the criteria of overlap syndrome and eight (24%) the classic subcategory. the overall severity of disease was moderate in 21 (62%) and severe in 13 (38%) patients. the median time from transplant to onset of chronic graft-versus-host disease was 5.9 months (range: 3 - 16 months); the median time for the overlap syndrome subcategory was 5.9 months (range: 3 - 10 months) and for the classic subcategory, it was 7.3 months (range: 3 - 16 months). at a median follow up of 16.5 months (range: 4 - 39 months), overall survival was 75%. conclusions: it was feasible to use the national institute of health consensus criteria for the diagnosis and scoring of chronic graft-versus-host disease in a brazilian prospective multicenter study. more importantly, a collaborative hematopoietic cell transplantation network was established in brazil offering new opportunities for future clinical trials in chronic graft-versus-host disease and in other areas of research involving hematopoietic stem cell transplantation. %K hematopoietic stem cell transplantation %K chronic graft versus host disease %K nih consensus. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1516-84842011000400013&lng=en&nrm=iso&tlng=en