The purpose of this study is to evaluate the predictive value of 18F-FDG PET probe signal in de novo diagnosed or refractory/relapsed patients with acute myeloid leukemia. It is hypothesized that the intensity of 18F-FDG signal, an indicator of glucose uptake capacity, in various cell subsets of bone marrow will improve the predictive effect of clinical standard prognostic work-up.
Rationale: FDG is incorporated by leukemia cells and other cell subsets in bone marrow micro-environment of various degree. The heterogeneous FDG uptake is a promising marker for predicting response to treatment. The investigators will collect bone marrow under standard clinical work-up after 18F-FDG PET/CT scan and correlate the FDG signal intensity with clinical and genomics features of the patients to explore its prognostic significance. Objective: The primary objective of this research project is to investigate the intensity of FDG PET probe based glucose uptake signal in predicting induction treatment response of AML. As secondary objectives, this analysis will be applied to calculate the overall predictive specificity and sensitivity of FDG probe avidity in predicting PFS and OS.
Study Type
OBSERVATIONAL
Enrollment
60
No intervention
First Affiliated Hospital of Jinan University
Guangzhou, Guangdong, China
Composite complete remission rate (CRc)
Partial response (PR) + complete response (CR) rate
Time frame: At the end of Cycle 2 (each cycle is about 28 days)
Progress-free survival (PFS )
Relapse or death of any cause
Time frame: From date of diagnosis until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 100 months
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