Reduced-intensity chemotherapy and PET-guided radiotherapy in patients with advanced stage Hodgkin's lymphoma (HD15 trial): a randomised, open-label, phase 3 non-inferiority trial
详细信息    查看全文
文摘
| Figures/TablesFigures/Tables | ReferencesReferences

ass=""h3"">Summary

ass=""h4"">Background

The intensity of chemotherapy and need for additional radiotherapy in patients with advanced stage Hodgkin's lymphoma has been unclear. We did a prospective randomised clinical trial comparing two reduced-intensity chemotherapy variants with our previous standard regimen. Chemotherapy was followed by PET-guided radiotherapy.

ass=""h4"">Methods

In this parallel group, open-label, multicentre, non-inferiority trial (HD15), 2182 patients with newly diagnosed advanced stage Hodgkin's lymphoma aged 18-60 years were randomly assigned to receive either eight cycles of BEACOPPescalated (8¡ÁBesc group), six cycles of BEACOPPescalated (6¡ÁBesc group), or eight cycles of BEACOPP14 (8¡ÁB14 group). Randomisation (1:1:1) was done centrally by stratified minimisation. Non-inferiority of the primary endpoint, freedom from treatment failure, was assessed using repeated CIs for the hazard ratio (HR) according to the intention-to-treat principle. Patients with a persistent mass after chemotherapy measuring 2¡¤5 cm or larger and positive on PET scan received additional radiotherapy with 30 Gy; the negative predictive value for tumour recurrence of PET at 12 months was an independent endpoint. This trial is registered with Current Controlled Trials, number ISRCTN32443041.

ass=""h4"">Findings

Of the 2182 patients enrolled in the study, 2126 patients were included in the intention-to-treat analysis set, 705 in the 8¡ÁBesc group, 711 in the 6¡ÁBesc group, and 710 in the 8¡ÁB14 group. Freedom from treatment failure was sequentially non-inferior for the 6¡ÁBesc and 8¡ÁB14 groups as compared with 8¡ÁBesc. 5-year freedom from treatment failure rates were 84¡¤4 % (97¡¤5 % CI 81¡¤0-87¡¤7) for the 8¡ÁBesc group, 89¡¤3 % (86¡¤5-92¡¤1) for 6¡ÁBesc group, and 85¡¤4 % (82¡¤1-88¡¤7) for the 8¡ÁB14 group (97¡¤5 % CI for difference between 6¡ÁBesc and 8¡ÁBesc was 0¡¤5-9¡¤3). Overall survival in the three groups was 91¡¤9 % , 95¡¤3 % , and 94¡¤5 % respectively, and was significantly better with 6¡ÁBesc than with 8¡ÁBesc (97¡¤5 % CI 0¡¤2-6¡¤5). The 8¡ÁBesc group showed a higher mortality (7¡¤5 % ) than the 6¡ÁBesc (4¡¤6 % ) and 8¡ÁB14 (5¡¤2 % ) groups, mainly due to differences in treatment-related events (2¡¤1 % , 0¡¤8 % , and 0¡¤8 % , respectively) and secondary malignancies (1¡¤8 % , 0¡¤7 % , and 1¡¤1 % , respectively). The negative predictive value for PET at 12 months was 94¡¤1 % (95 % CI 92¡¤1-96¡¤1); and 225 (11 % ) of 2126 patients received additional radiotherapy.

ass=""h4"">Interpretation

Treatment with six cycles of BEACOPPescalated followed by PET-guided radiotherapy was more effective in terms of freedom from treatment failure and less toxic than eight cycles of the same chemotherapy regimen. Thus, six cycles of BEACOPPescalated should be the treatment of choice for advanced stage Hodgkin's lymphoma. PET done after chemotherapy can guide the need for additional radiotherapy in this setting.

ass=""h4"">Funding

Deutsche Krebshilfe and the Swiss Federal Government.

© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号

地址:北京市海淀区学院路29号 邮编:100083

电话:办公室:(+86 10)66554848;文献借阅、咨询服务、科技查新:66554700