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Original Article
Evaluation of risk for graft-versus-host disease in children who receive less than the full doses of mini-dose methotrexate for graft-versus-host disease prophylaxis in allogeneic hematopoietic stem cell transplantation
Sook Kyung Yum, Hye-Yoon Choi, Jae Wook Lee, Pil-Sang Jang, Nack-Gyun Chung, Dae-Chul Jeong, Bin Cho, Hack-Ki Kim
Clin Exp Pediatr. 2013;56(11):490-495.   Published online November 27, 2013
Purpose

The use of cyclosporine and mini-dose methotrexate (MTX) is a common strategy for graft-versus-host disease (GVHD) prophylaxis in allogeneic transplants. We investigated whether patients who receive fewer than the planned MTX doses are at increased risk for GVHD.

Methods

The study cohort included 103 patients who received allogeneic transplants at the Department of Pediatrics of The Catholic University of Korea College of...

Efficacy of imatinib mesylate-based front-line therapy in pediatric chronic myelogenous leukemia
Hyun Jin Oh, Mun Sung Cho, Jae Wook Lee, Pil-Sang Jang, Nack-Gyun Chung, Bin Cho, Hack-Ki Kim
Clin Exp Pediatr. 2013;56(8):343-350.   Published online August 27, 2013
Purpose

Despite the established role of imatinib (IM) in chronic myelogenous leukemia (CML) in adults, there are few reports on its efficacy in children. In this study, we compared the outcomes of children with CML before and after the advent of IM-based treatment.

Methods

The study cohort consisted of 52 patients treated for CML at the Department of Pediatrics, The Catholic University of...

Utility of a multiplex reverse transcriptase-polymerase chain reaction assay (HemaVision) in the evaluation of genetic abnormalities in Korean children with acute leukemia: a single institution study
Hye-Jin Kim, Hyun Jin Oh, Jae Wook Lee, Pil-Sang Jang, Nack-Gyun Chung, Myungshin Kim, Jihyang Lim, Bin Cho, Hack-Ki Kim
Clin Exp Pediatr. 2013;56(6):247-253.   Published online June 21, 2013
Purpose

In children with acute leukemia, bone marrow genetic abnormalities (GA) have prognostic significance, and may be the basis for minimal residual disease monitoring. Since April 2007, we have used a multiplex reverse transcriptase-polymerase chain reaction tool (HemaVision) to detect of GA.

Methods

In this study, we reviewed the results of HemaVision screening in 270 children with acute leukemia, newly diagnosed at The...

Immune reconstitution after allogeneic hematopoietic stem cell transplantation in children: a single institution study of 59 patients
Hyun O Kim, Hyun Jin Oh, Jae Wook Lee, Pil-Sang Jang, Nack-Gyun Chung, Bin Cho, Hack-Ki Kim
Clin Exp Pediatr. 2013;56(1):26-31.   Published online January 29, 2013
Purpose

Lymphocyte subset recovery is an important factor that determines the success of hematopoietic stem cell transplantation (HSCT). Temporal differences in the recovery of lymphocyte subsets and the factors influencing this recovery are important variables that affect a patient's post-transplant immune reconstitution, and therefore require investigation.

Methods

The time taken to achieve lymphocyte subset recovery and the factors influencing this recovery were investigated...

Evaluation of changes in random blood glucose and body mass index during and after completion of chemotherapy in children with acute lymphoblastic leukemia
Kyong-Won Bang, Soo Young Seo, Jae Wook Lee, Pil-Sang Jang, Min Ho Jung, Nack-Gyun Chung, Bin Cho, Dae-Chul Jeong, Byung Kyu Suh, Hack-Ki Kim
Clin Exp Pediatr. 2012;55(4):121-127.   Published online April 30, 2012
Purpose

Improved survival of patients with childhood acute lymphoblastic leukemia (ALL) has drawn attention to the potential for late consequences of previous treatments among survivors, including metabolic syndrome. In this study, we evaluated changes in 3 parameters, namely, random blood glucose, body mass index (BMI), and Z score for BMI (Z-BMI), in children with ALL during chemotherapy and after completion of...

Outcome of allogeneic hematopoietic stem cell transplantation for childhood acute lymphoblastic leukemia in second complete remission: a single institution study
Eun-Jung Lee, Ji Yoon Han, Jae Wook Lee, Pil-Sang Jang, Nack-Gyun Chung, Dae-Chul Jeong, Bin Cho, Hack-Ki Kim
Clin Exp Pediatr. 2012;55(3):100-106.   Published online March 16, 2012
Purpose

The survival rate for childhood acute lymphoblastic leukemia (ALL) has improved significantly. However, overall prognosis for the 20 to 25% of patients who relapse is poor, and allogeneic hematopoietic stem cell transplantation (HSCT) offers the best chance for cure. In this study, we identified significant prognostic variables by analyzing the outcomes of allogeneic HSCT in ALL patients in second complete...

Short-term follow up of thyroid function after pediatric hematopoietic stem cell transplantation
Seon-Ju Lee, Jae-Wook Lee, Dae-Hyoung Lee, Young-Joo Kwon, Young-Shil Park, Hui Sung Hwang, Sun Young Kim, Ji Kyoung Park, Pil-Sang Jang, Min-Ho Jung, Nak-Gyun Chung, Dae-Chul Jeong, Bin Cho, Hack-Ki Kim, Byung-Churl Lee
Clin Exp Pediatr. 2006;49(11):1211-1215.   Published online November 15, 2006
Purpose : In this study, we analyzed the short term changes of thyroid function, incidence and risk factors of thyroid dysfunction soon after allogeneic hematopoietic stem cell transplantation (HSCT) in children. Methods : We enrolled 80 pediatric patients following allogeneic HSCT, at the Catholic HSCT center between January, 2004 and February, 2006. Serum TSH (thyroid stimulating hormone), total serum thyroxine and...
CMV antigenemia following pediatric hematopoietic stem cell transplantation : risk factors and outcomes
Eun-Young Cho, Young-Shil Park, Dae-Hyung Lee, Ji Kyoung Park, Sangrhim Choi, Sun Young Kim, Pil-Sang Jang, Dong-Gun Lee, Nak-Gyun Chung, Jong Hyun Kim, Dae-Chul Jeong, Bin Cho, Jae Gyun Hur, Jin Han Kang, Hack-Ki Kim
Clin Exp Pediatr. 2006;49(2):173-180.   Published online February 15, 2006
Purpose : Cytomegalovirus(CMV) infection still remains as a major cause of morbidity and mortality after stem cell transplantation. In this study, we analyzed the results of antigenemia-guided pre- emptive therapy among children with allogeneic hematopoietic stem cell transplantation to determine the incidence and risk factors associated with CMV antigenemia, and evaluated the efficacy of the CMV antigenemia based preemptive therapy....
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