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R-CHOP immunochemotherapy plus surgery is associated with a superior prognosis in Chinese primary intestinal diffuse
Fengyi Zhao1, Yan Qin1, Jianliang Yang1
1Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing Key Laboratory of Clinical Study on Anticancer Molecular Targeted Drugs, Beijing, China.
Aim:
The aim of the study was to compare the therapeutic strategies and prognostic factors of patients with primary intestinal diffuse large B-cell lymphoma (PI-DLBCL).
Methods:
A total of 50 PI-DLBCL patients who accepted standard first-line treatment at National Cancer Center in China were included in this retrospective study. Survival analysis was performed to evaluate the prognostic risk factors.
Results:
The 3-year overall survival (OS) and 3-year progression-free survival (PFS) for the entire group were 76.0% and 65.9%, respectively. Univariate analysis showed that B symptom, advanced Lugano stage, elevated LDH status, poor ECOG PS and immunochemotherapy alone were significantly correlated with a poor PFS. Elevated LDH status, poor ECOG PS, advanced Lugano stage, high IPI score and immunochemotherapy alone were significantly correlated with a poor OS. Multivariate analysis revealed that ECOG PS (P= 0.035; HR = 0.233; 95% CI, 0.060-0.905), LDH level (P = 0.010; HR = 0.223; 95% CI, 0.072-0.693) and surgery (P = 0.002; HR = 5.584; 95% CI, 1.883-16.563) were independent prognostic factors for OS. LDH level (P = 0.035; HR = 0.210; 95% CI, 0.049-0.894) and surgery (P = 0.003; HR = 6.410; 95% CI, 1.903-21.593) were independent risk factors for PFS in PI-DLBCL. R-CHOP immunochemotherapy combined surgery treatment was also associated with a lower rate of refractory/relapsed (R/R) disease (P = 0.004). Furthermore, stratified analysis revealed that partial resection or radical resection combined with immunochemotherapy had no significantly difference which affect OS (P = 0.338) and PFS (P = 0.207).
Conclusion:
R-CHOP immunochemotherapy plus surgery was associated with a superior prognosis compared with R-CHOP alone in Chinese PI-DLBCL population.
