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1.
Zhongguo Shi Yan Xue Ye Xue Za Zhi ; 29(5): 1606-1609, 2021 Oct.
Article in Chinese | MEDLINE | ID: mdl-34627448

ABSTRACT

OBJECTIVE: To investigate the expression and clinical significance of serum protein ROCK2 in patients with chronic graft-versus-host disease (cGVHD) after allogeneic hematopoietic stem cell transplantation (allo-HSCT). METHODS: The patients were divided into cGVHD group and control group (without cGVHD). The expression levels of serum protein ROCK2 were detected by ELISA in patients with or without cGVHD after allo-HSCT. RESULTS: The expression level of ROCK2 in serum of cGVHD patients was significantly higher than those in control group, moreover, the expression level of ROCK2 in severe cGVHD group was significant higher than that in moderate and mild cGVHD group (P<0.001). The expression level of ROCK2 was significantly decreased in the serum of cGVHD patients after treatment(P<0.01); the expression level of ROCK2 was significantly higher in the serum of cGVHD patients with lung as the target organ(P<0.01). The median survival time of patients with severe cGVHD were significantly shorter than that of patients with mild and moderate cGVHD(P<0.05). CONCLUSION: ROCK2 shows certain reference value in the evaluation of severity and prognosis of cGVHD, and may be a new target for the treatment of cGVHD.


Subject(s)
Graft vs Host Disease , Hematopoietic Stem Cell Transplantation , Blood Proteins , Chronic Disease , Humans , Transplantation, Homologous , rho-Associated Kinases
2.
Front Oncol ; 11: 710545, 2021.
Article in English | MEDLINE | ID: mdl-34485147

ABSTRACT

BACKGROUND: Post-transplant relapse remains a principal leading cause of failure after allogeneic hematopoietic stem cell transplantation (allo-HSCT) in patients with adult acute lymphoblastic leukemia (ALL). The aim of this study was to investigate the efficacy and safety of low-dose decitabine on the prevention of adult ALL relapse after allo-HSCT. METHODS: In this prospective study, we enrolled 34 patients with ALL who underwent allo-HSCT from August 2016 to April 2020 and received low-dose decitabine maintenance treatment after transplantation. The primary objectives were cumulative incidence of relapse rate (CIR), overall survival (OS), and disease-free survival (DFS). The secondary objectives were graft-versus-host disease (GVHD) and safety. RESULTS: Among the enrolled 34 patients, 6 patients relapsed and 6 patients died. The 2-year CIR, OS, and DFS were 20.2, 77.5, and 73.6%, respectively. Subgroup analysis revealed the 2-year CIR, OS, and DFS rates of 12 patients with T-ALL/lymphoblastic lymphoma (LBL) were 8.3, 90, and 81.5%, respectively. None of the seven patients with T-ALL relapsed. During maintenance treatment, only one patient (2.9%) developed grade IV acute GVHD and four (11.8%) patients had severe chronic GVHD. Thirty-two patients (94.1%) developed only grade I to II myelosuppression, and two patients (5.8%) developed grade III to IV granulocytopenia. CONCLUSIONS: Maintenance treatment with low-dose decitabine after allo-HSCT may be used as a therapeutic option to reduce relapse in patients with adult ALL, especially in patients with T-ALL. Our findings require confirmation in larger-scale controlled trials. CLINICAL TRIAL REGISTRATION: Chinese Clinical Trials Registry, identifier ChiCTR1800014888.

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