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Sequential adjuvant chemotherapy and radiotherapy in endometrial cancer - Results from two randomised studies

Högberg, Thomas LU ; Signorelli, Mauro ; de Oliveira, Carlos Freire ; Fossati, Roldano ; Lissoni, Andrea Alberto ; Sorbe, Bengt ; Andersson, Håkan ; Grenman, Seija ; Lundgren, Caroline and Rosenberg, Per , et al. (2010) In European Journal of Cancer 46(13). p.2422-2431
Abstract
INTRODUCTION: Endometrial cancer patients with high grade tumours, deep myometrial invasion or advanced stage disease have a poor prognosis. Randomised studies have demonstrated the prevention of loco-regional relapses with radiotherapy (RT) with no effect on overall survival (OS). The possible additive effect of chemotherapy (CT) remains unclear. Two randomised clinical trials (NSGO-EC-9501/EORTC-55991 and MaNGO ILIADE-III) were undertaken to clarify if sequential combination of chemotherapy and radiotherapy improves progression-free survival (PFS) in high-risk endometrial cancer. The two studies were pooled. METHODS: Patients (n=540; 534 evaluable) with operated endometrial cancer International Federation of Obstetrics and Gynaecology... (More)
INTRODUCTION: Endometrial cancer patients with high grade tumours, deep myometrial invasion or advanced stage disease have a poor prognosis. Randomised studies have demonstrated the prevention of loco-regional relapses with radiotherapy (RT) with no effect on overall survival (OS). The possible additive effect of chemotherapy (CT) remains unclear. Two randomised clinical trials (NSGO-EC-9501/EORTC-55991 and MaNGO ILIADE-III) were undertaken to clarify if sequential combination of chemotherapy and radiotherapy improves progression-free survival (PFS) in high-risk endometrial cancer. The two studies were pooled. METHODS: Patients (n=540; 534 evaluable) with operated endometrial cancer International Federation of Obstetrics and Gynaecology (FIGO) stage I-III with no residual tumour and prognostic factors implying high-risk were randomly allocated to adjuvant radiotherapy with or without sequential chemotherapy. RESULTS: In the NSGO/EORTC study, the combined modality treatment was associated with 36% reduction in the risk for relapse or death (hazard ratio (HR) 0.64, 95%confidence interval (CI) 0.41-0.99; P=0.04); two-sided tests were used. The result from the Gynaecologic Oncology group at the Mario Negri Institute (MaNGO)-study pointed in the same direction (HR 0.61), but was not significant. In the combined analysis, the estimate of risk for relapse or death was similar but with narrower confidence limits (HR 0.63, CI 0.44-0.89; P=0.009). Neither study showed significant differences in the overall survival. In the combined analysis, overall survival approached statistical significance (HR 0.69, CI 0.46-1.03; P=0.07) and cancer-specific survival (CSS) was significant (HR 0.55, CI 0.35-0.88; P=0.01). CONCLUSION: Addition of adjuvant chemotherapy to radiation improves progression-free survival in operated endometrial cancer patients with no residual tumour and a high-risk profile. A remaining question for future studies is if addition of radiotherapy to chemotherapy improves the results. (Less)
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
European Journal of Cancer
volume
46
issue
13
pages
2422 - 2431
publisher
Elsevier
external identifiers
  • wos:000281994100014
  • pmid:20619634
  • scopus:77955918294
  • pmid:20619634
ISSN
1879-0852
DOI
10.1016/j.ejca.2010.06.002
language
English
LU publication?
yes
id
21eb329b-d7c6-4c53-a103-91e8f44809da (old id 1645100)
alternative location
http://www.ncbi.nlm.nih.gov/pubmed/20619634?dopt=Abstract
date added to LUP
2016-04-01 10:16:35
date last changed
2022-04-27 20:22:28
@article{21eb329b-d7c6-4c53-a103-91e8f44809da,
  abstract     = {{INTRODUCTION: Endometrial cancer patients with high grade tumours, deep myometrial invasion or advanced stage disease have a poor prognosis. Randomised studies have demonstrated the prevention of loco-regional relapses with radiotherapy (RT) with no effect on overall survival (OS). The possible additive effect of chemotherapy (CT) remains unclear. Two randomised clinical trials (NSGO-EC-9501/EORTC-55991 and MaNGO ILIADE-III) were undertaken to clarify if sequential combination of chemotherapy and radiotherapy improves progression-free survival (PFS) in high-risk endometrial cancer. The two studies were pooled. METHODS: Patients (n=540; 534 evaluable) with operated endometrial cancer International Federation of Obstetrics and Gynaecology (FIGO) stage I-III with no residual tumour and prognostic factors implying high-risk were randomly allocated to adjuvant radiotherapy with or without sequential chemotherapy. RESULTS: In the NSGO/EORTC study, the combined modality treatment was associated with 36% reduction in the risk for relapse or death (hazard ratio (HR) 0.64, 95%confidence interval (CI) 0.41-0.99; P=0.04); two-sided tests were used. The result from the Gynaecologic Oncology group at the Mario Negri Institute (MaNGO)-study pointed in the same direction (HR 0.61), but was not significant. In the combined analysis, the estimate of risk for relapse or death was similar but with narrower confidence limits (HR 0.63, CI 0.44-0.89; P=0.009). Neither study showed significant differences in the overall survival. In the combined analysis, overall survival approached statistical significance (HR 0.69, CI 0.46-1.03; P=0.07) and cancer-specific survival (CSS) was significant (HR 0.55, CI 0.35-0.88; P=0.01). CONCLUSION: Addition of adjuvant chemotherapy to radiation improves progression-free survival in operated endometrial cancer patients with no residual tumour and a high-risk profile. A remaining question for future studies is if addition of radiotherapy to chemotherapy improves the results.}},
  author       = {{Högberg, Thomas and Signorelli, Mauro and de Oliveira, Carlos Freire and Fossati, Roldano and Lissoni, Andrea Alberto and Sorbe, Bengt and Andersson, Håkan and Grenman, Seija and Lundgren, Caroline and Rosenberg, Per and Boman, Karin and Tholander, Bengt and Scambia, Giovanni and Reed, Nicholas and Cormio, Gennaro and Tognon, Germana and Clarke, Jackie and Sawicki, Tomasz and Zola, Paolo and Kristensen, Gunnar}},
  issn         = {{1879-0852}},
  language     = {{eng}},
  number       = {{13}},
  pages        = {{2422--2431}},
  publisher    = {{Elsevier}},
  series       = {{European Journal of Cancer}},
  title        = {{Sequential adjuvant chemotherapy and radiotherapy in endometrial cancer - Results from two randomised studies}},
  url          = {{https://lup.lub.lu.se/search/files/1708083/1691365.pdf}},
  doi          = {{10.1016/j.ejca.2010.06.002}},
  volume       = {{46}},
  year         = {{2010}},
}