Role of neoadjuvant treatment in clinical T2N0M0 oesophageal cancer: results from a retrospective multi-center European study
2016
Markar, Sheraz | Gronnier, Caroline | Pasquer, Arnaud | Duhamel, Alain | Beal, Hélène | Thereaux, Jérémie | Gagnière, Johan | Lebreton, Gil | Brigand, Cécile | Meunier, Bernard | Collet, Denis | Mariette, Christophe | Dhahri, Abdennahceur | Lignier, Delphine | Cossé, Cyril | Regimbeau, Marc | Cabau, Magalie | Jougon, Jacques | Badic, Bogdan | Lozach, Patrick | Bail, Pierre | Cappeliez, Serge | Nakadi, Issam El | Alves, Arnaud | Flamein, Renaud | Pezet, Denis | Pipitone, Federica | Stan-Iuga, Bogdan | Contival, Nicolas | Pappalardo, Eric | Msika, Simon | Mantziari, Styliani | Demartines, Nicolas | Hec, Flora | Vanderbeken, Marguerite | Tessier, Williams | Briez, Nicolas | Fredon, Fabien | Gainant, Alain | Mathonnet, Muriel | Bigourdan, Marc | Mezoughi, Salim | Ducerf, Christian | Baulieux, Jacques | Mabrut, Jean-Yves | Baraket, Oussama | Poncet, Gilles | Adam, Mustapha | Vaudoyer, Delphine | Enfer, Peggy Jourdan | Villeneuve, Laurent | Glehen, Olivier | Coste, Thibault | FABRE, Michel | Marchal , Frédéric | Frisoni, Romain | Ayav, Ahmet | Brunaud, Laurent | Bresler, Laurent | Cohen, Charlotte | Aze, Olivier | Venissac, Nicolas | Pop, Daniel | Mouroux, Jerôme | Donici, Ion | Prudhomme, Michel | Felli, Emanuele | Lisunfui, Stéphanie | Seman, Marie | Petit, Gaelle Godiris | Karoui, Mehdi | Trésallet, Christophe | Menegaux, Fabrice | Vaillant, Jean-Christophe | Hannoun, Laurent | Malgras, Brice | Lantuas, Denis | Pautrat, Karine | Pocard, Marc | Valleur, Patrice | Chafai, Najim | Balladur, Pierre | Lefrancois, Magalie | Parc, Yann | Paye, François | Tiret, Emmanuel | NEDELCU, Marius | Laface, Letizia | Perniceni, Thierry | Gayet, Brice | Filipello, Alexandre | Porcheron, Jack | Tiffet, Olivier | Kamlet, Noémie | Chemaly, Rodrigue | Klipfel, Amandine | Pessaux, Patrick | Rohr, Serge | Carrère, Nicolas | Da Re, Chiara | Dumont, Frederic | Goéré, Diane | Elias, Dominique | Bertrand, Claude,
Aims: The aims of this study were to compare short-and long-term outcomes for clinical T2N0 oesophageal cancer with analysis of (i) primary surgery (S) versus neoadjuvant therapy plus surgery (NS), (ii) squamous cell carcinoma and adenocarcinoma subsets; and (iii) neoadjuvant chemoradiotherapy versus neoadjuvant chemotherapy.Methods: Data were collected from 30 European centres from 2000 to 2010. Among 2944 included patients, 355 patients (12.1%) had cT2N0 disease; 285 (S) and 70 (NS), were compared in terms of short-and long-term outcomes. Propensity score matching analyses were used to compensate for differences in baseline characteristics.Results: No significant differences between the groups were shown in terms of in hospital morbidity and mortality. Nodal disease was observed in 50% of S-group at the time of surgery, with 20% pN2/N3. Utilisation of neoadjuvant therapy was associated with significant tumour downstaging as reflected by increases in pT0, pN0 and pTNM stage 0 disease, this effect was further enhanced with neoadjuvant chemoradiotherapy. After adjustment on propensity score and confounding factors, for all patients and subset analysis of squamous cell and adenocarcinoma, neoadjuvant therapy had no significant effect upon survival or recurrence (overall, loco-regional, distant or mixed) compared to surgery alone. There were no significant differences between neoadjuvant chemotherapy and chemoradiotherapy in short-or long-term outcomes.Conclusion: The results of this study suggest that a surgery alone treatment approach should be recommended as the primary treatment approach for cT2N0 oesophageal cancer despite 50% of patients having nodal disease at the time of surgery.
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