Mesenchymal stem cells expanded in vitro with human serum for the treatment of acute and chronic graft-versus-host disease: results of a phase I/II clinical trial
Pérez-Simon JA, López-Villar O, Andreu EJ [SP], Rifón J, Muntion S, Campelo MD, Sánchez-Guijo FM, Martinez C, Valcarcel D, Cañizo CD.
Servicio de Hematología, Instituto de Biomedicina de Sevilla (IBIS) Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Avenida Manuel Siurot s/n 41013 Sevilla, Spain
Date: Jul 1, 2011Cell Therapy Area [SP]
This trial evaluated the feasibility and efficacy of the infusion of mesenchymal stem cells expanded using human serum for the treatment of refractory acute or chronic graft-versus-host disease. Twenty-eight expansions were started. In 22, a minimum of more than 1 x 10⁶ mesenchymal stem cells/kg were obtained after a median of 26 days; this threshold was not obtained in the remaining cases. Ten patients received cells for the treatment of refractory or relapsed acute graft-versus-host disease and 8 for chronic disease. One patient treated for acute graft-versus-host disease obtained a complete response, 6 had a partial response and 3 did not respond. One of the chronic patients achieved complete remision, 3 a partial response, and 4 did not respond. The current study supports the use of this approach in less heavily treated patients for both acute and chronic graft-versus-host disease. The trial has been registered at ClinicalTrials.gov: identifier NCT00447460.
CITATION Haematologica. 2011 Jul;96(7):1072-6. Epub 2011 Mar 10.
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