Clinical Characteristics and Prognostic Analysis of Extranodal NK/T-Cell Lymphoma Patients Treated with Pegaspargase Based Chemotherapy
OBJECTIVE: To investigate the clinical characteristics of patients with extranodal NK/T-cell lymphoma (ENKL), and to analyze the factors that affecting the survival and prognostic of patients treated with pegaspargase based chemotherapy.
METHODS: The clinical data of 61 ENKL patients treated in Peking Union Medical College Hospital from January 2015 to June 2019 were enrolled and retrospectively analyzed. The clinical characteristics, survival rate and influencing factors of prognostic in patients were investigated.
RESULTS: The male and female ratio in the whole group was 2.8∶1. The median age was 46 years old (range, 17-67 years old). 30 patients were in stage I/II, while 31 patients were in stage III/IV. The ratio of nasal and non-nasal type was 4.1∶1. The common sites of extranodal involvement were skin and subcutaneous tissue (26.2%), liver (14.8%), lung (13.1%) and gastrointestinal tract (13.1%). 9.8% of patients showed central nervous system involvement and 11.5% showed bone marrow involvement. The median follow-up time was 22 months (range, 1-53 months). The 2-year PFS and OS rates of patients in the whole group were 51.6% and 53.2%, respectively. The 2-year OS rate of patients at stage I/II was 87.5%, while that of patients at stage III/IV was only 21.2%, the difference showed statistically significant (P<0.0001). Patients with non-nasal type disease showed a higher proportion in adverse factors of prognosis, of whom the median OS was only 3 months. Multivariate analysis showed that age>60 years old and Ann Arbor stage III-IV were the independent adverse factors that affecting the prognosis of PFS and OS (HR=3.681, 95% CI 1.322-10.250; HR=4.611, 95% CI 1.118-19.009).
CONCLUSION: The survival of ENKL patients has been significantly improved by pegaspargase based chemotherapy. Patients with stage I/II disease have achieved a relatively good 2-year OS rate of 87.5%, but the prognosis of stage III/IV and non-nasal type patients are still poor. Age>60 years old and Ann Arbor stage III/IV are independent adverse prognostic factors for ENKL patients.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:29 |
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| Enthalten in: |
Zhongguo shi yan xue ye xue za zhi - 29(2021), 3 vom: 09. Juni, Seite 735-740 |
| Sprache: |
Chinesisch |
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| Beteiligte Personen: |
Wei, Chong [VerfasserIn] |
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| Links: |
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| Themen: |
3WJQ0SDW1A |
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| Anmerkungen: |
Date Completed 10.06.2021 Date Revised 10.06.2021 published: Print Citation Status MEDLINE |
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| doi: |
10.19746/j.cnki.issn.1009-2137.2021.03.014 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM326535586 |
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| 245 | 1 | 0 | |a Clinical Characteristics and Prognostic Analysis of Extranodal NK/T-Cell Lymphoma Patients Treated with Pegaspargase Based Chemotherapy |
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| 500 | |a Date Revised 10.06.2021 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a OBJECTIVE: To investigate the clinical characteristics of patients with extranodal NK/T-cell lymphoma (ENKL), and to analyze the factors that affecting the survival and prognostic of patients treated with pegaspargase based chemotherapy | ||
| 520 | |a METHODS: The clinical data of 61 ENKL patients treated in Peking Union Medical College Hospital from January 2015 to June 2019 were enrolled and retrospectively analyzed. The clinical characteristics, survival rate and influencing factors of prognostic in patients were investigated | ||
| 520 | |a RESULTS: The male and female ratio in the whole group was 2.8∶1. The median age was 46 years old (range, 17-67 years old). 30 patients were in stage I/II, while 31 patients were in stage III/IV. The ratio of nasal and non-nasal type was 4.1∶1. The common sites of extranodal involvement were skin and subcutaneous tissue (26.2%), liver (14.8%), lung (13.1%) and gastrointestinal tract (13.1%). 9.8% of patients showed central nervous system involvement and 11.5% showed bone marrow involvement. The median follow-up time was 22 months (range, 1-53 months). The 2-year PFS and OS rates of patients in the whole group were 51.6% and 53.2%, respectively. The 2-year OS rate of patients at stage I/II was 87.5%, while that of patients at stage III/IV was only 21.2%, the difference showed statistically significant (P<0.0001). Patients with non-nasal type disease showed a higher proportion in adverse factors of prognosis, of whom the median OS was only 3 months. Multivariate analysis showed that age>60 years old and Ann Arbor stage III-IV were the independent adverse factors that affecting the prognosis of PFS and OS (HR=3.681, 95% CI 1.322-10.250; HR=4.611, 95% CI 1.118-19.009) | ||
| 520 | |a CONCLUSION: The survival of ENKL patients has been significantly improved by pegaspargase based chemotherapy. Patients with stage I/II disease have achieved a relatively good 2-year OS rate of 87.5%, but the prognosis of stage III/IV and non-nasal type patients are still poor. Age>60 years old and Ann Arbor stage III/IV are independent adverse prognostic factors for ENKL patients | ||
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