PMID: 11932164Apr 5, 2002Paper

Predictive factors for response to neoadjuvant therapy in patients with oesophageal cancer

European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery
A ImdahlC Ihling

Abstract

Preoperative radio-chemotherapy (RCX) was introduced to improve the outcome of patients with oesophageal cancer (EC), but conflicting results have been released. Some 20-30% of patients show a complete pathological response, however, the perioperative morbidity and mortality is increased. To search for factors indicating response prior to the onset of RCX we investigated the proliferative activity (MIB-1), the expression of vascular endothelial growth factor (VEGF), and the capillary density (CD34) in samples of EC obtained by endoscopy prior to the start of the treatment. Forty-six (MIB-1) and 21 (VEGF, CD34) tissue specimens of ECs were available from 56 patients undergoing pretherapeutic endoscopy, RCX and surgery. Perioperative morbidity was divided into surgery and non-surgery related morbidity. MIB-1, VEGF and CD34 expression were investigated immunohistochemically. Multivariate analysis was carried out to prove independence of investigated variables. Postoperative morbidity was noticed in 54 of 56 operated patients. Eight of 56 patients who received RCX died in hospital. Survival was significantly different between the group of complete responders (n=14) and non-responders (n=23; P=0.0026). None of the investigated tumou...Continue Reading

Citations

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