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Retrospective and follow-up study on autologous haematopoietic stem cell transplantation in ten patients with refractory inflammatory bowel disease
Author(s): 
Pages: 476-479
Year: Issue:  7
Journal: CHINESE JOURNAL OF DIGESTION

Keyword:  Inflammatory bowel diseaseStem cellsTransplantation;
Abstract: Objective To investigate the safety and efficacy of autologous haematopoietic stem cell transplantation (HSCT) in treatment of patients with refractory inflammatory bowel disease (IBD). Methods Ten patients with active moderate-severe IBD [nine with Crohn's disease (CD) and one with ulcerative disease (UC)] were treated with HSCT from January 2004 to August 2006.Among 9 CD patients,the CD active inedx(CDAl) of 2 patients were above 450 (severe),6 patients were 150-450 (active).One patient was suffered from severe UC(whole colon).The stem cells were collected from the patients who intravenously received cycloptlosphamide (2.0 g/m2 ) and granulocyte colony-stimulating factor (5 μg · kg-1 · d-1 ).The CD34+ cells were isolated and cryo-preserved.After 2 weeks,the HSCT was carried out.Results In 9 patients with CD,clinical complete remission (CDAI<150) was achieved in 5 and 1 patients at 3 and 12 months after HSCT.The CDAI of other 2 patients decreased but not reached clinical complete remission.The patients were followed up of 16.1 months (ranged 10-33 months).The disease relapsed in 4 patients and complete remission in 5 patients.However,no improvement was observed under repeated eolonoscopy in 1 patient with UC who had not relapsed in 10 months.HSCT-related side effects included neutropenia caused fever,infection,etc.One HBV-carrier developed asymptomatie increase of liver enzymes and HBV-DNA copies after HSCT.Conclusions Autologous HSCT can be conducted safely and is well tolerated in patients with refractory IBD.It can induce clinical remission in most of the patients,although endoscopic remission may not be achieved,and relapses can not be avoided in some patients.
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