Chemoradiotherapy in the treatment of cervical cancer – a single institution retrospective review

Czech version

Authors: Z. Pechačová ¹; R. Lohynská ^1,2; Z. Weitoschová ¹; Michal Zikán ³; O. Dubová ³; V. Tomancová ^1,4; E. Kmoníčková ¹; M. Pála ¹; T. Drbohlavová ¹
Authors‘ workplace: Ústav radiační onkologie, 1. LF UK a FN Bulovka, Praha ¹; Onkologická klinika 1. LF UK a FTN Praha ²; Gynekologicko-porodnická klinika 1. LF UK a FN Bulovka, Praha ³; Onkologická klinika 1. LF UK a VFN v Praze ⁴
Published in: Klin Onkol 2022; 35(2): 139-149
Category: Original Articles
doi: https://doi.org/10.48095/ccko2022139

Overview

Background: The aim of this study is a retrospective analysis of treatment outcomes and toxicity in a group of patients with cervical cancer who underwent (chemo) radiotherapy at the Institute of Radiation Oncology in Bulovka University Hospital in Prague in the period 2014–2017. Patients and methods: During this period, 141 patients were treated, 105 (74.5%) of them underwent combined (chemo) radiotherapy with radical intent and palliative radiotherapy was performed in 36 (25.5%) cases. According to the International Federation of Gynecology and Obstetrics (FIGO) 2009 classification, the most numerous stages were IIB in 39 (27.7%) and IIIB in 64 (45.4%) cases; according to FIGO 2018, a significant number of newly established stages is evident: IIIC1 in 55 (39.0%) patients and IIIC2 in 22 (15.6%) cases. Results: The median progression-free survival (PFS) and overall survival (OS) reached 31.3, resp. 40.1 months in the whole group. In the subgroup of patients treated with radical intent, the median PFS was 44.0 months and OS 48.8 months; in the palliative subgroup, the median PFS was 9.4 months and OS 14.8 months. In a radically treated subgroup, 7 (6.7%) patients had gastrointestinal or genitourinary manifestations of G3–4 toxicity, and overall acute toxicity (including skin and haematological reactions) of G3–4 occurred in 18 (17.1%) patients. Late toxicity of G3–4 was reported in 13 (12.4%) cases. Patients who underwent complete brachytherapy (BRT) showed significantly better survival compared to patients with a lower number of BRT fractions. The prognostic potential of PS (performance status) and anemia was confirmed; significantly longer overall survival was observed in patients in good general condition or in those without anemia. Conclusion: Our results confirmed the key role of BRT for the delivery of the curative dose to the target volume. The prognostic role of PS and anemia is evident. The side effects were in acceptable limits but we expect improvements because of the use of modern radiotherapy technologies.

Keywords:

cervical cancer – radiotherapy – concurrent chemoradiotherapy – brachytherapy

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