GATA-3 or T-Bet Expression In PTCL-U Identify High-Risk Patients with Poor Outcomes and Distinct Clinical Characteristics Suggesting Their Derivation From Specific Subsets of T Helper Cells

Blood ◽  
2010 ◽  
Vol 116 (21) ◽  
pp. 4125-4125
Author(s):  
Ryan A. Wilcox ◽  
Andrew L Feldman ◽  
Kay Ristow ◽  
Thomas M. Habermann ◽  
Steven Ziesmer ◽  
...  

Abstract Abstract 4125 Background: With the exception of angioimmunoblastic T-cell lymphomas, which are thought to derive from follicular helper T cells, little is known about the cell of origin for the most common peripheral T-cell lymphoma (PTCL), PTCL-unspecified (PTCL-U). Following appropriate antigenic stimulation, naïve CD4+ T helper (TH) cells differentiate into effector cells that secrete TH cytokines under the transcriptional regulation of subset-specific transcription factors. Methods: PTCL-U patients (n=53) from a single institution were retrospectively identified and immunohistochemical analysis of Foxp3, T-bet and GATA-3 expression performed on diagnostic biopsy specimens. Immunohistochemical staining was reviewed in a blinded fashion by a hematopathologist and all specimens with greater than 10% staining were scored as positive. Transcription factor expression was correlated with patient characteristics and clinical outcomes. Results: GATA-3 expression was observed in 22 (42%) patients, T-bet expression in 17 (32%) patients and Foxp3 expression in 4 (7%) patients. In order to determine the prognostic significance of GATA-3 or T-bet expression, overall survival was compared between patients with GATA-3 (or T-bet) positive or negative tumors. The median overall survival (OS) was 2 years (95% confidence interval 0.7–12.8 years) for patients with GATA-3 negative tumors, compared with a median OS of 0.9 years (95% confidence interval 0.5–1.2 years, p=0.02) for GATA-3 positive cases. The median overall survival was 1.6 years (95% confidence interval 1.0–6.8 years) for patients with T-bet negative tumors, compared with a median overall survival of 0.7 years (95% confidence interval 0.3–0.9 years, p=0.005) for T-bet positive cases. As a subset of tumors coexpressed GATA-3 and T-bet, both of which are adverse prognostic factors, we examined survival outcomes between those patients with tumors expressing either GATA-3 or T-bet (n=29) and those with tumors which do not express either transcription factor (n=24). The median OS and PFS observed for patients with positive tumors was 0.7 years (95% confidence interval 0.6–1.1 years) and 0.7 years (95% confidence interval 0.5–0.9 years), respectively. In contrast, patients with GATA-3/T-bet negative tumors experienced markedly superior survival, with a median OS and PFS of 3.8 years (95% confidence interval 1.6–12.9 years, p<0.0001) and 2.0 years (95% confidence interval 1.5–12.8 years, p<0.0001), respectively. Four-year estimates of overall and progression-free survival were less than 10% for patients with GATA-3/T-bet positive tumors, whereas 4-year OS and PFS were 49% and 32%, respectively, for those with negative tumors. Both GATA-3 and T-bet expression were associated with advanced age and tumor stage. Therefore, we analyzed GATA-3/T-bet expression as a prognostic factor for survival on both univariate and multivariate analyses, adjusting for pertinent risk factors, including patient age and tumor stage. On univariate analysis, GATA-3/T-bet expression was associated with inferior overall survival (hazard ratio 4.4, 95% confidence interval 2.1–10.4, p<0.0001). Patient age (>60 years), poor performance status (ECOG performance status >1), and stage III/IV disease were also associated with inferior overall survival on univariate analysis. However, when adjusting for these latter adverse prognostic factors on multivariate analysis, GATA-3/T-bet expression remained an independent predictor of poor overall survival in PTCL-U (adjusted hazard ratio 3.2, 95% confidence interval 1.4–8.5, p=0.008). Similarly, when adjusting only for high-risk features (>2 adverse prognostic factors), as defined by the Prognostic Index in PTCL-U (PIT), GATA-3/T-bet expression remained an independent predictor of inferior overall survival on multivariate analysis (adjusted hazard ratio 4.9, 95% confidence interval 2.2–11.5, p<0.0001). Conclusions: GATA-3 and T-bet expression identify subsets of high-risk PTCL-U patients who may benefit from alternative treatment strategies. Disclosures: No relevant conflicts of interest to declare.

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Alejandra Ivars Rubio ◽  
Juan Carlos Yufera ◽  
Pilar de la Morena ◽  
Ana Fernández Sánchez ◽  
Esther Navarro Manzano ◽  
...  

AbstractThe prognostic impact of neutrophil-lymphocyte ratio (NLR) in metastatic breast cancer (MBC) has been previously evaluated in early and metastatic mixed breast cancer cohorts or without considering other relevant prognostic factors. Our aim was to determine whether NLR prognostic and predictive value in MBC was dependent on other clinical variables. We studied a consecutive retrospective cohort of patients with MBC from a single centre, with any type of first line systemic treatment. The association of NLR at diagnosis of metastasis with progression free survival (PFS) and overall survival (OS) was evaluated using Cox univariate and multivariate proportional hazard models. In the full cohort, that included 263 MBC patients, a higher than the median (>2.32) NLR was significantly associated with OS in the univariate analysis (HR 1.36, 95% CI 1.00–1.83), but the association was non-significant (HR 1.12, 95% CI 0.80–1.56) when other clinical covariates (performance status, stage at diagnosis, CNS involvement, visceral disease and visceral crisis) were included in the multivariate analysis. No significant association was observed for PFS. In conclusion, MBC patients with higher baseline NLR had worse overall survival, but the prognostic impact of NLR is likely derived from its association with other relevant clinical prognostic factors.


Blood ◽  
2010 ◽  
Vol 116 (21) ◽  
pp. 3088-3088
Author(s):  
Ryan A. Wilcox ◽  
Kay Ristow ◽  
Thomas M. Habermann ◽  
David James Inwards ◽  
Ivana Micallef ◽  
...  

Abstract Abstract 3088 Background: Despite the use of modern immunochemotherapy (R-CHOP) regimens, almost 50% of patients with diffuse large-B-cell lymphoma (DLBCL) will relapse. Current prognostic models, most notably the International Prognostic Index, are comprised of patient and tumor characteristics and are unable to identify patients with less than a 50% chance of long-term survival. However, recent observations demonstrate that factors related to host adaptive immunity and the tumor microenvironment are powerful prognostic variables in non-Hodgkin lymphoma Methods: We retrospectively examined the absolute neutrophil count (ANC), monocyte count (AMC) and lymphocyte count (ALC), obtained from an automated complete blood count with differential, as prognostic variables in a cohort of 255 consecutive DLBCL patients that were uniformly treated with R-CHOP between 2000 and 2007 at a single institution. The primary study objective was to assess if ANC, AMC, and ALC at diagnosis were predictors of overall survival (OS) in DLBCL. Results: At diagnosis, the median ANC was 4720/uL (range 1190–17690), the median AMC was 610/uL (range 30–4040), and the median ALC was 1220/uL (range 140–5410). The median follow-up for these patients was 48 months. In the univariate analysis, each of these variables predicted OS as continuous variables. As dichotomized variables, an elevated ANC (≥5500/μL; hazard ratio 1.75, 95% confidence interval 1.14–2.60, p=0.01) and AMC (≥610/μL; hazard ratio 3.36, 95% confidence interval 2.10–5.59, p<0.0001) were each associated with inferior OS. In contrast, the presence of lymphopenia, defined as an ALC ≤1000/uL, was associated with inferior OS (hazard ratio 2.21, 95% confidence interval 1.43–3.39, p=0.0004). When components of the IPI were included on multivariate analysis only the AMC and ALC were independently significant prognostic factors for OS, with hazard ratios of 3.37 (95% confidence interval 2.05–5.74, p<0.0001) and 2.19 (95% confidence interval 1.38–3.44, p=0.0009), respectively. The dichotomized AMC and ALC generated the AMC/ALC prognostic index (PI) and stratified patients into 3 risk groups: very good (AMC <610/uL and ALC >1000/uL), good (AMC ≥610/uL or ALC ≤1000/uL), and poor-risk (AMC ≥610/uL and ALC ≤1000/uL) populations. For both the very good (n=79) and good-risk (n=134) groups median OS has not been reached with estimated 5-year overall survival of 88% and 69%, respectively. Median OS for poor-risk (n=42) patients was 1.7 years (95% confidence interval 1.1–2.7 years) with an estimated 5-year overall survival of 28% (p<0.0001). By comparison, the R-IPI was unable to identify a group of patients with a median survival less than 8 years. The estimated 5-year OS was 93%, 71% and 53% for very good, good and poor-risk patients, respectively. We sought to determine whether the AMC/ALC PI may provide additional prognostic information when combined with the R-IPI. To test this possibility, the 171 very good/good risk and 84 poor risk patients identified by the R-IPI were subsequently risk stratified using the AMC/ALC PI. Among R-IPI very good/good risk patients a subset of poor risk patients (n=21) with a median OS of 2.2 years (95% confidence interval 1.1–6.6 years) and 35% 5-year OS could be identified with the AMC/ALC PI. In contrast, 5-year OS ranged from 75%-88% among very good and good risk patients. Similarly, stratification of R-IPI poor risk patients by the AMC/ALC PI identified subsets of very good (n=19) and good risk (n=44) patients with median OS that had not been reached and 86% and 55% 5-year OS, respectively. High risk (n=21) patients had a median OS of 1.4 years (95% confidence interval 0.9–2.2 years) and an estimated 5-year OS of less than 25%. Conclusions: Measurement of AMC and ALC at diagnosis is widely applicable, cost effective, predicts OS, and identifies high-risk patients with DLBCL. Disclosures: No relevant conflicts of interest to declare.


2016 ◽  
Vol 50 (4) ◽  
pp. 409-417 ◽  
Author(s):  
Aleksandra Napieralska ◽  
Leszek Miszczyk ◽  
Sławomir Blamek

AbstractBackgroundTracheal cancers (TC) are rare and treatment results that are reported are typically not satisfactory. The purpose of this research was assessment of the results of treatment of TC patients, identification of potential additional surgery candidates, evaluation of prognostic factors, and assessment of the occurrence of other malignancies.Patients and methodsThe Regional Cancer Database and the Hospital Database were searched for patients with tracheal neoplasms. Fifty-eight of 418 patients identified initially, met the inclusion criteria (primary TC with confirmed histology and complete treatment records). Standard statistical tests were used.ResultsSquamous cell carcinoma (SCC; 63.8%) and adenoid cystic carcinoma (ACC; 15.5%) were the most commonly diagnosed histological types of TC. Radiotherapy was delivered in 48 cases, surgery or endoscopic resection in 20, and chemotherapy in 14. TC was diagnosed as a second cancer in 10 patients, in 1 patient it occurred prior to the lung cancer, and in 1 was diagnosed simultaneously. During the median follow-up of 12.7 months, 85.5% of the patients died because of the disease. Local recurrence occurred in 17% cases. In univariate analysis, patients with ACC had statistically better five-year overall survival (77.8%) than those diagnosed with SCC (8.4%, p = 0.0001). Radiotherapy, performance status and haemoptysis were factors significantly influencing overall survival (OS) in the multivariate analysis. Among patients who were not treated surgically, 15–26% were found to constitute additional surgery candidates, depending on the selection criteria.ConclusionsThe diagnostic workup should be focused on the identification of TC patients suitable for invasive treatment and radiotherapy. Respiratory system cancer survivors can be considered a risk group for tracheal cancer. Radiotherapy constitutes an important part of the treatment of patients with TC.


2021 ◽  
Vol 12 ◽  
Author(s):  
Lei Zheng ◽  
Yalong Gu ◽  
Jiangcun Silang ◽  
Jinlong Wang ◽  
Feng Luo ◽  
...  

BackgroundMalignant pheochromocytoma and paraganglioma (PPGL) are rare tumors with few prognostic tools. This study aimed to construct nomograms for predicting 3- and 5-year survival for patients with malignant PPGL.MethodsThe patient data was retrieved from the Surveillance, Epidemiology, and End Results (SEER) database. A total of 764 patients diagnosed with malignant PPGL from 1975 to 2016 were included in this study. The patients were randomly divided into two cohorts; the training cohort (n = 536) and the validation cohort (n = 228). Univariate analysis, Lasso regression, and multivariate Cox analysis were used to identify independent prognostic factors, which were then utilized to construct survival nomograms. The nomograms were used to predict 3- and 5-year overall survival (OS) and cancer-specific survival (CSS) for patients with malignant PPGL. The prediction accuracy of the nomogram was assessed using the concordance index (C-index), receiver operating characteristic (ROC) curves and calibration curves. Decision curve analysis (DCAs) was used to evaluate the performance of survival models.ResultsAge, gender, tumor type, tumor stage, or surgery were independent prognostic factors for OS in patients with malignant PPGL, while age, tumor stage, or surgery were independent prognostic factors for CSS (P &lt;.05). Based on these factors, we successfully constructed the OS and CSS nomograms. The C-indexes were 0.747 and 0.742 for the OS and CSS nomograms, respectively. In addition, both the calibration curves and ROC curves for the model exhibited reliable performance.ConclusionWe successfully constructed nomograms for predicting the OS and CSS of patients with malignant PPGL. The nomograms could inform personalized clinical management of the patients.


2020 ◽  
Author(s):  
Yuki Mukai ◽  
Yuichiro Hayashi ◽  
Izumi Koike ◽  
Toshiyuki Koizumi ◽  
Madoka Sugiura ◽  
...  

Abstract Background: We compared outcomes and toxicity between radiation therapy (RT) with concurrent retrograde super-selective intra-arterial chemotherapy (IACRT) and RT with concurrent systemic chemoradiotherapy (SCRT), for gingival carcinoma (GC). Methods: We included 84 consecutive patients who were treated for GC ≥ stage III, from 2006 to 2018, in this retrospective analysis (IACRT group: n=66; SCRT group: n=18).Results: Median follow-up time was 24 (range: 1–124) months. The median prescribed dose was 60 (6–70.2) Gy (IACRT group: 60 Gy; SCRT group:69 Gy). At 3 years, the two groups significantly differed in overall survival (OS; IACRT: 78.75%, 95% confidence interval [CI]: 66.00–87.62; SCRT: 50.37%, 95% CI: 27.58–73.0; P = 0.039), progression-free survival (PFS; IACRT: 75.64%, 95% CI: 62.69–85.17; SCRT: 41.96%, 95% CI: 17.65–70.90; P = 0.028) and local control (LC; IACRT: 77.17%, 95% CI: 64.23–86.41; SCRT: 41.96%, 95% CI: 17.65–70.90; P = 0.015). In univariate analysis, age ≥ 65, decreased performance status (PS) and SCRT were significantly associated with worse outcomes (P < 0.05). In multivariate analysis, age ≥ 65 years, clinical stage IV, and SCRT were significantly correlated with poor OS (P < 0.05). Patients with poorer PS had significantly worse PFS.Conclusions: This is the first report to compare outcomes from IACRT and SCRT among patients with GC. IACRT is an effective and organ-preserving treatment for GC.Trial registration: retrospectively registered


2019 ◽  
Vol 21 (Supplement_3) ◽  
pp. iii98-iii98
Author(s):  
C Besson ◽  
M Morisse ◽  
H Brut ◽  
W Waissi ◽  
G Noel ◽  
...  

Abstract BACKGROUND In absence of standard treatment for recurrent glioblastoma (rGBM), numerous prospective and retrospective studies have evaluated the off-label combination of bevacizumab (BEV) with irinotecan (IRI) in patients with rGBM. We report here our single center experience with this combination and we investigated prognostic factors for long-term response. MATERIAL AND METHODS We performed a retrospective analysis of consecutive patients treated initially by Stupp protocol and with BEV-IRI for a rGBM between 2007 and 2017. Times to progression and overall survival, as well as toxicities, were investigated and analysed. Patients without progression at least 12 month after the first administration of BEV-IRI were considered as long-term responders. The primary end-point was overall survival post-BEV-IRI (OS-BEV-IRI). RESULTS One-hundred eleven patients were eligible for the analysis. Median age at the diagnosis was 57 years and the value of WHO Performance Status (PS) at the recurrence was 0 to 1 for 67,5% of patients. Kaplan-Meier median progression-free survival (PFS-BEV-IRI) and overall survival (OS-BEV-IRI) at recurrence estimates (calculated from start of BEV-IRI) were 6.51 and 10.41 months, respectively. The median OS (calculated from diagnosis) was 22,4 months. Twenty-Three patients (20,7%) were long-term responders to BEV-IRI regimen. This subgroup was not significantly different than the short-term responders according to age or PS distribution, but the relative proportion of biopsy in comparison to other surgery modalities was significantly increased in long-term responders (p<0,0001). Univariate analysis showed that PS 0–1 (p=0,007), biopsy (p=0,0022) are significantly associated with a better prognosis, but not age. Eighty three patients (75%) had toxicities, mainly grade 1 and 2 (92%), such as hypertension, proteinuria, haemorrhage, thrombosis, nausea, diarrhoea, fatigue or neutropenia. Most of the grade 3 and grade 4 toxicities were related to BEV treatment. Adverse events were significantly more frequent in long-term responders (p=0,0096). CONCLUSION BEV-IRI Combination is well tolerated and may offer some clinical benefits in recurrent GBM patients, more particularly if only biopsy was performed instead of surgery. Our results strengthened the role of these agents for the treatment of recurrent GBM.


2016 ◽  
Vol 26 (9) ◽  
pp. 1642-1649 ◽  
Author(s):  
Christine H. Feng ◽  
Charlie M. Miller ◽  
Meaghan E. Tenney ◽  
Nita K. Lee ◽  
S. Diane Yamada ◽  
...  

ObjectivePreclinical data and recent epidemiological studies suggest that statins have antiproliferative and antimetastatic effects in various cancer cells, and reduce cancer mortality and recurrence. We study the effect of statin use on survival outcomes and recurrence rates in patients with endometrial cancer with high-risk histology.Materials and MethodsAll patients receiving definitive therapy for high-risk endometrial cancer from 1995 to 2014 were retrospectively reviewed. Health characteristics at baseline were collected, and statin use was determined from medical records. Overall survival (OS) and progression-free survival (PFS) were estimated using the Kaplan-Meier method and compared using the log-rank test. Cox proportional hazards regression models were used for univariate and multivariate analysis to determine independent factors associated with OS and PFS.ResultsA total of 199 patients were included in the study, of which 76 were hyperlipidemic and 50 used statins. The median follow-up time was 31 months from time of diagnosis. Hyperlipidemic patients who used statins had improved OS compared with hyperlipidemic patients not using statins (hazard ratio, 0.42; 95% confidence interval, 0.20–0.87;P= 0.02). Statin use was also associated with improved PFS (hazard ratio, 0.47; 95% confidence interval, 0.23–0.95;P= 0.04) on multivariate analysis. Hyperlipidemic patients who used statins had borderline improved freedom from local failure compared with hyperlipidemic cases not using statins (P= 0.08, log-rank test). Statin use was not found to be associated with improved cancer-specific mortality.ConclusionsStatin use is independently associated with significant improvements in PFS for the overall group and PFS and OS in the hyperlipidemic group.


Blood ◽  
2012 ◽  
Vol 119 (15) ◽  
pp. 3578-3584 ◽  
Author(s):  
Felicitas Thol ◽  
Sofia Kade ◽  
Carola Schlarmann ◽  
Patrick Löffeld ◽  
Michael Morgan ◽  
...  

Abstract Mutations in genes of the splicing machinery have been described recently in myelodysplastic syndromes (MDS). In the present study, we examined a cohort of 193 MDS patients for mutations in SRSF2, U2AF1 (synonym U2AF35), ZRSR2, and, as described previously, SF3B1, in the context of other molecular markers, including mutations in ASXL1, RUNX1, NRAS, TP53, IDH1, IDH2, NPM1, and DNMT3A. Mutations in SRSF2, U2AF1, ZRSR2, and SF3B1 were found in 24 (12.4%), 14 (7.3%), 6 (3.1%), and 28 (14.5%) patients, respectively, corresponding to a total of 67 of 193 MDS patients (34.7%). SRSF2 mutations were associated with RUNX1 (P < .001) and IDH1 (P = .013) mutations, whereas U2AF1 mutations were associated with ASXL1 (P = .005) and DNMT3A (P = .004) mutations. In univariate analysis, mutated SRSF2 predicted shorter overall survival and more frequent acute myeloid leukemia progression compared with wild-type SRSF2, whereas mutated U2AF1, ZRSR2, and SF3B1 had no impact on patient outcome. In multivariate analysis, SRSF2 remained an independent poor risk marker for overall survival (hazard ratio = 2.3; 95% confidence interval, 1.28-4.13; P = .017) and acute myeloid leukemia progression (hazard ratio = 2.83; 95% confidence interval, 1.31-6.12; P = .008). These results show a negative prognostic impact of SRSF2 mutations in MDS. SRSF2 mutations may become useful for clinical risk stratification and treatment decisions in the future.


2021 ◽  
pp. 1-5
Author(s):  
Luís Vale ◽  
Bernardo Fernandes ◽  
Vasco Rodrigues ◽  
Paulo Dinis ◽  
Carlos Silva ◽  
...  

Introduction: Penile cancer (PC) is a rare neoplasm, mostly in developed countries. Herewith, we evaluate the main prognostic factors of patients with PC undergoing surgery. Methods: This is a retrospective analysis of prognostic factors of overall survival in 65 patients with PC treated at a tertiary referral center over the last 15 years (2004–2018). Results: Almost half (48%) of the patients were diagnosed at an advanced local stage pT3/4. Thirty-eight (58%) patients underwent inguinal lymphadenectomy, and 25 (66%) were negative for lymph node (LN) invasion. Overall survival was 80% at a median follow-up of 31 months. In the multivariate analysis, the main factors of poor prognosis were nodal staging (pN) (p = 0.008) and perineural invasion (p = 0.023). The presence of LN metastasis and perineural invasion in the primary tumor increased the risk of death by 29 (hazard ratio 29.0, 95% confidence interval 2.4–354.2) and 13 (hazard ratio 12.7, 95% confidence interval 1.4–112.0) times, respectively. Discussion/Conclusion: Late diagnosis of PC has a negative impact on overall survival, as nodal invasion correlates with survival. Despite the high number of negative inguinal lymphadenectomy, we continue to advocate aggressive surgical treatment of this disease due to the poor prognosis associated with LN metastasis.


Blood ◽  
2014 ◽  
Vol 124 (21) ◽  
pp. 4953-4953
Author(s):  
Xia Xiao ◽  
Mingfeng Zhao ◽  
Qi Deng ◽  
Qing Li ◽  
Juan Mu ◽  
...  

Abstract Patients over age 60 maked up more than 50% of newly diagnosed patients with acute myeloid leukemia (AML). Futhermore, with an aging population, more and more older AML patients were diagnosed in China. But the treatment approaches of this disease were variable, with many uncertainties and controversies. Treatment options for older patients with adverse prognostic features, such as poor performance status, unfavorable cytogenetics or an antecedent hematologic disorder were limited, and outcomes were poor. Aggres­sive induction chemotherapy had a high mortality and relatively low efficacy in this population. There were several new therapeutic schemes for older patients with AML. CAG regimens consisting of low-dose cytarabine, aclarubicin and granulocyte-colony stimulating factor for the treatment of older patients with AML showed higher rates of CR (42-68%). Decitabine, a DNA-hypomethylating agent induces differentiation and apoptosis of leukemic cells. The current National Comprehensive Cancer Care guidelines suggested decitabine as alterative options for older patients with AML. Previous studies have shown that decitabine demonstrated efficacy in a phase II multicenter study of older patients with AML, with a CR rate of 25%, 30-day mortality of 7%, median overall survival 7.7 months and little extramedullary toxicity. In our study, decitabine(15 mg/m2/d, d1-5) combined with CAG regimens (aclarubicin 20 mg/d, d3-6, Ara-C 10 mg/m2, q12h, d3-9, G-CSF 300ug, qd, d1-9) treated 27 older patients with AML, repeated every 4 weeks. Effectiveness and safety were assessed. 27 older patients with newly diagnosed AML who were in Tianjin First Central Hospital of China from January 2011 to December 2013 were enrolled in our study. They were all treated with decitabine combined with CAG regimens. The characteristics of the 27 patients were described in Table I. The study population included 15 males and 12 females, with a median age of 68 years (range 60-79 years). All patients had Eastern Cooperative Oncology Group (ECOG) performance status of <3. Cytogenetics were classified according to criteria of the Cancer and Leukemia Group B(CALGB), and were adverse in 11 patients (40.7%) and intermediate in 16 patients (59.3%). No patient had favorable cytogenetics. 12 patients (44.4%) had secondary AML or an antecedent MDS or myeloproliferative disorder. Molecular diagnostics with mutations of FLT3-ITD in 6 patients (22.2%), NPM1 in 7 patients (25.9%) patients and JAK-2 in 4 patients (14.8%). Clinical responses, survival and adverse events of all 27 patients were analyzed. The median treatment cycle was 4 cycles. Rate of complete remission, overall response rate and a 30-day mortality rate were 40.1%, 66.7%, 7.4%, respectively. The median overall survival and median recurrence-free survival were 13.0months (95%CI, 7.0-18.0 months ) and 7.0 months (95%CI, 3.0-11.0 months), respectively. Adverse events in the regimens were mainly included myelosuppression, infection, nausea, vomiting and liver dysfunction. The adverse events could be well tolerated after managements. In conclusion, the treatment of decitabine combined with CAG regimens was found to be feasible and useful in high-risk older patients with AML. This regimen was a well-tolerated therapeutic alternative, was effective in producing remissions lasting several months or disease stabilization in high-risk older patients with AML. Table 1. The characteristics of newly diagnosed patients with AML Total number of patients n=27 median age(range) 68 years(60-79 years) Male/female 15/12 (1.25/1) ECOG performance status, n (%) 0 5 (18.5%) 1 10 (37.0%) 2 12 (44.4%) Cytogenetics, n (%) Adverse 11 (40.7%) Intermediate 16 (59.3%) secondary AML, n (%) MDS 6 (22.2%) myeloproliferative 5 (18.5%) Other tumors 1 (3.7%) Molecular mutations, n (%) FLT3-ITD 6 (22.2%) NPM1 7 (25.9%) JAK-2 4 (14.8%) Disclosures No relevant conflicts of interest to declare.


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