Quality-adjusted time without symptoms or toxicity analysis of haploidentical-related donor vs. identical sibling donor hematopoietic stem cell transplantation in acute myeloid leukemia.
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引用次数: 0
Abstract
Objective: We aimed to compare the quality-adjusted time without symptoms or toxicity (Q-TWiST) in acute myeloid leukemia (AML) patients who received haploidentical-related donor (HID) and identical sibling donor (ISD) hematopoietic stem cell transplantation (HSCT).
Methods: Five clinical health states were defined: toxicity (TOX), acute graft-versus-host disease (GVHD), chronic GVHD (cGVHD), time without symptoms and toxicity (TWiST) and relapse (REL). The equation used in this study was as follows: Q-TWiST=UTOX × TOX + UTWiST × TWiST + UREL × REL + UaGVHD × aGVHD + UcGVHD × cGVHD.
Results: A total of 239 AML patients were enrolled. We established a mathematical model, i.e., Q-TWiST HID HSCT > Q-TWiST ISD HSCT, to explore the range of utility coefficients satisfying the inequality. Based on the raw data, the utility coefficient is equivalent to the following inequality: [Formula: see text][Formula: see text]. The model showed that when [Formula: see text], [Formula: see text], and [Formula: see text] were within the range of 0-1, as well as when [Formula: see text] was within the range of 0-0.569, the inequality Q-TWiST HID HSCT > Q-TWiST ISD HSCT was valid. According to the results of the ChiCTR1800016972 study, the median coefficients of TOX, acute GVHD (aGVHD), and cGVHD were 0.56 (0.41-0.76), 0.56 (0.47-0.72), and 0.54 (0.37-0.79), respectively. We selected a series of specific examples of the coefficients, i.e., [Formula: see text]=0.5, [Formula: see text]=0.05, [Formula: see text]=0.5, and [Formula: see text]=0.5. The Q-TWiST values of ISD and HID HSCT were 896 and 900 d, respectively (P=0.470).
Conclusions: We first observed that Q-TWiST was comparable between AML patients receiving HID HSCT and those receiving ISD HSCT.
期刊介绍:
Chinese Journal of Cancer Research (CJCR; Print ISSN: 1000-9604; Online ISSN:1993-0631) is published by AME Publishing Company in association with Chinese Anti-Cancer Association.It was launched in March 1995 as a quarterly publication and is now published bi-monthly since February 2013.
CJCR is published bi-monthly in English, and is an international journal devoted to the life sciences and medical sciences. It publishes peer-reviewed original articles of basic investigations and clinical observations, reviews and brief communications providing a forum for the recent experimental and clinical advances in cancer research. This journal is indexed in Science Citation Index Expanded (SCIE), PubMed/PubMed Central (PMC), Scopus, SciSearch, Chemistry Abstracts (CA), the Excerpta Medica/EMBASE, Chinainfo, CNKI, CSCI, etc.