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MRI-guided adaptive brachytherapy in locally advanced cervical cancer (EMBRACE-I): a multicentre prospective cohort study

The lancet oncology, 2021-04, Vol.22 (4), p.538-547 [Peer Reviewed Journal]

2021 Elsevier Ltd ;Copyright © 2021 Elsevier Ltd. All rights reserved. ;COPYRIGHT 2021 Elsevier B.V. ;2021. Elsevier Ltd ;ISSN: 1470-2045 ;EISSN: 1474-5488 ;DOI: 10.1016/S1470-2045(20)30753-1 ;PMID: 33794207

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Title:
MRI-guided adaptive brachytherapy in locally advanced cervical cancer (EMBRACE-I): a multicentre prospective cohort study
Author: Pötter, Richard ; Tanderup, Kari ; Schmid, Maximilian Paul ; Jürgenliemk-Schulz, Ina ; Haie-Meder, Christine ; Fokdal, Lars Ulrik ; Sturdza, Alina Emiliana ; Hoskin, Peter ; Mahantshetty, Umesh ; Segedin, Barbara ; Bruheim, Kjersti ; Huang, Fleur ; Rai, Bhavana ; Cooper, Rachel ; van der Steen-Banasik, Elzbieta ; Van Limbergen, Erik ; Pieters, Bradley Rumwell ; Tan, Li-Tee ; Nout, Remi Abubakar ; De Leeuw, Astrid Agatha Catharina ; Ristl, Robin ; Petric, Primoz ; Nesvacil, Nicole ; Kirchheiner, Kathrin ; Kirisits, Christian ; Lindegaard, Jacob Christian ; Chargari, Cyrus ; Dumas, Isabelle ; Lowe, Gerry ; Swamidas, Jamema ; Hudej, Robert ; Paulsen Hellebust, Taran ; Menon, Geetha ; Oinam, Arun S. ; Bownes, Peter ; Christiaens, Melissa ; De Brabandere, Marisol ; Janssen, Hilde ; Oosterveld, Bernard ; Koedooder, Kees ; Langeland Marthinsen, Anne Beate ; Sundset, Marit ; Whitney, Diane ; Ketelaars, Martijn ; Lutgens, Ludy C.H.W. ; Reinniers, Brigitte ; Mora, Itxa ; Villafranca, Elena ; Antal, Gergely ; Hadjiev, Janaki ; Bachand, Francois ; Batchelar, Deidre ; Erickson, Beth ; Rownd, Jason ; Jacobson, Geraldine ; Kim, Yusung ; Anttila, Maarit ; Palmgren, Jan-Erik ; An, Jusheng ; Assenholt, Marianne Sanggaard ; Banerjee, Susovan ; Bentzen, Sören ; Berger, Thomas ; Dankulchai, Pittaya ; Diendorfer, Tamara ; Dilworth, Ian ; Dimopoulos, Johannes ; Dörr, Elke ; Ecker, Stefan ; Federico, Mario ; Fidarova, Elena ; Fortin, Israel ; Georg, Petra ; Gora, Joanna ; Hegazy, Neamat ; Jastaniyah, Noha ; Jensen, Nina Boje Kibsgaard ; Liederer, Thomas ; Majercakova, Katarina ; Misimovic, Dragan ; Motisi, Laura ; Najjari Jamal, Dina ; Nkiwane, Karen ; Schwartz-Vittrup, Anders ; Serban, Monica ; Smet, Stephanie ; Spampinato, Sofia ; Trnkova, Petra ; Valgma, Margit ; Westerveld, Henrike ; Wong, Joyce Siu Yu ; Yoshida, Kenji
Subjects: Adenocarcinoma ; Adenosquamous ; Adult ; Aged ; Analysis ; Biopsy ; Brachytherapy ; Brachytherapy - methods ; Cancer ; Cancer therapies ; Cervical cancer ; Cervix ; Chemoradiotherapy - methods ; Chemotherapy ; Cisplatin ; Cisplatin - administration & dosage ; Contraindications ; Disease-Free Survival ; Dosage ; Drug dosages ; Female ; Fistulae ; Gynecology ; Humans ; Intravenous administration ; Magnetic resonance imaging ; Magnetic Resonance Imaging - methods ; Metastases ; Metastasis ; Morbidity ; Obstetrics ; Oncology ; Oncology, Experimental ; Patients ; Quality of Life ; Radiation therapy ; Radioisotope brachytherapy ; Radiotherapy, Image-Guided - methods ; Squamous cell carcinoma ; Tumors ; Uterine Cervical Neoplasms - diagnostic imaging ; Uterine Cervical Neoplasms - drug therapy ; Uterine Cervical Neoplasms - pathology ; Uterine Cervical Neoplasms - radiotherapy ; Uterus ; Vagina
Is Part Of: The lancet oncology, 2021-04, Vol.22 (4), p.538-547
Description: The concept of the use of MRI for image-guided adaptive brachytherapy (IGABT) in locally advanced cervical cancer was introduced 20 years ago. Here, we report on EMBRACE-I, which aimed to evaluate local tumour control and morbidity after chemoradiotherapy and MRI-based IGABT. EMBRACE-I was a prospective, observational, multicentre cohort study. Data from patients from 24 centres in Europe, Asia, and North America were prospectively collected. The inclusion criteria were patients older than 18 years, with biopsy-proven squamous cell carcinoma, adenocarcinoma, or adenosquamous carcinoma of the uterine cervix, The International Federation of Gynecology and Obstetrics (FIGO) stage IB–IVA disease or FIGO stage IVB disease restricted to paraaortic lymph metastasis below the L1–L2 interspace, suitable for curative treatment. Treatment consisted of chemoradiotherapy (weekly intravenous cisplatin 40 mg/m2, 5–6 cycles, 1 day per cycle, plus 45–50 Gy external-beam radiotherapy delivered in 1·8–2 Gy fractions) followed by MRI-based IGABT. The MRI-based IGABT target volume definition and dose reporting was according to Groupe Européen de Curiethérapie European Society for Radiation Oncology recommendations. IGABT dose prescription was open according to institutional practice. Local control and late morbidity were selected as primary endpoints in all patients available for analysis. The study was registered with ClinicalTrials.gov, NCT00920920. Patient accrual began on July 30, 2008, and closed on Dec 29, 2015. A total of 1416 patients were registered in the database. After exclusion for not meeting patient selection criteria before treatment, being registered but not entered in the database, meeting the exclusion criteria, and being falsely excluded, data from 1341 patients were available for analysis of disease and data from 1251 patients were available for assessment of morbidity outcome. MRI-based IGABT including dose optimisation was done in 1317 (98·2%) of 1341 patients. Median high-risk clinical target volume was 28 cm3 (IQR 20–40) and median minimal dose to 90% of the clinical target volume (D90%) was 90 Gy (IQR 85–94) equi-effective dose in 2 Gy per fraction. At a median follow-up of 51 months (IQR 20–64), actuarial overall 5-year local control was 92% (95% CI 90–93). Actuarial cumulative 5-year incidence of grade 3–5 morbidity was 6·8% (95% CI 5·4–8·6) for genitourinary events, 8·5% (6·9–10·6) for gastrointestinal events, 5·7% (4·3–7·6) for vaginal events, and 3·2% (2·2–4·5) for fistulae. Chemoradiotherapy and MRI-based IGABT result in effective and stable long-term local control across all stages of locally advanced cervical cancer, with a limited severe morbidity per organ. These results represent a positive breakthrough in the treatment of locally advanced cervical cancer, which might be used as a benchmark for clinical practice and all future studies. Medical University of Vienna, Aarhus University Hospital, Elekta AB, and Varian Medical Systems.
Publisher: England: Elsevier Ltd
Language: English
Identifier: ISSN: 1470-2045
EISSN: 1474-5488
DOI: 10.1016/S1470-2045(20)30753-1
PMID: 33794207
Source: MEDLINE
ProQuest Central

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MRI-guided adaptive brachytherapy in locally advanced cervical cancer (EMBRACE-I): a multicentre prospective cohort study

2021 Elsevier Ltd ;Copyright © 2021 Elsevier Ltd. All rights reserved. ;COPYRIGHT 2021 Elsevier B.V. ;2021. Elsevier Ltd ;ISSN: 1470-2045 ;EISSN: 1474-5488 ;DOI: 10.1016/S1470-2045(20)30753-1 ;PMID: 33794207

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