The role of adjuvant chemotherapy in esophageal cancer patients after neoadjuvant chemotherapy plus surgery.
Adjuvant chemotherapy
Chemotherapy
Esophageal cancer
Journal
Esophagus : official journal of the Japan Esophageal Society
ISSN: 1612-9067
Titre abrégé: Esophagus
Pays: Japan
ID NLM: 101206627
Informations de publication
Date de publication:
07 2021
07 2021
Historique:
received:
03
08
2020
accepted:
28
12
2020
pubmed:
14
2
2021
medline:
26
3
2022
entrez:
13
2
2021
Statut:
ppublish
Résumé
Esophageal cancer typically has a poor prognosis. While neoadjuvant chemotherapy (NAC) is reported to be effective for esophageal cancer patients, the prognosis of patients for whom NAC is ineffective remains poor. In total, 113 patients with thoracic esophageal squamous cell carcinoma who were treated between January 2006 and December 2015 were enrolled. These patients received NAC followed by radical surgery and had three or more pathologic positive lymph nodes. The effectiveness and feasibility of adjuvant chemotherapy (AC) were evaluated. Forty patients received AC (AC(+) group) and 73 patients did not (AC(-) group). Two-year relapse-free survival (RFS) rates of the AC(+) and AC(-) groups were 30.0% and 28.8%, respectively (p = 0.47). These patients were further divided into two subgroups, i.e., those with 3-6 positive lymph nodes (3-6 subgroup) and those with ≥ 7 positive lymph nodes (≥ 7 subgroup). Within the 3-6 subgroup (72 patients), 2-year RFS rates of the AC(+) and AC(-) groups were 38.5% and 33.9%, respectively (p = 0.31). Within the ≥ 7 subgroup (41 patients), 2-year RFS rates of the AC(+) and AC(-) groups were 25.9% and 7.1%, respectively (p = 0.04). AC may offer a significant additional benefit to the prognosis of esophageal cancer patients who have many positive lymph nodes even after NAC.
Sections du résumé
BACKGROUND
Esophageal cancer typically has a poor prognosis. While neoadjuvant chemotherapy (NAC) is reported to be effective for esophageal cancer patients, the prognosis of patients for whom NAC is ineffective remains poor.
METHODS
In total, 113 patients with thoracic esophageal squamous cell carcinoma who were treated between January 2006 and December 2015 were enrolled. These patients received NAC followed by radical surgery and had three or more pathologic positive lymph nodes. The effectiveness and feasibility of adjuvant chemotherapy (AC) were evaluated.
RESULTS
Forty patients received AC (AC(+) group) and 73 patients did not (AC(-) group). Two-year relapse-free survival (RFS) rates of the AC(+) and AC(-) groups were 30.0% and 28.8%, respectively (p = 0.47). These patients were further divided into two subgroups, i.e., those with 3-6 positive lymph nodes (3-6 subgroup) and those with ≥ 7 positive lymph nodes (≥ 7 subgroup). Within the 3-6 subgroup (72 patients), 2-year RFS rates of the AC(+) and AC(-) groups were 38.5% and 33.9%, respectively (p = 0.31). Within the ≥ 7 subgroup (41 patients), 2-year RFS rates of the AC(+) and AC(-) groups were 25.9% and 7.1%, respectively (p = 0.04).
CONCLUSIONS
AC may offer a significant additional benefit to the prognosis of esophageal cancer patients who have many positive lymph nodes even after NAC.
Identifiants
pubmed: 33580452
doi: 10.1007/s10388-020-00811-z
pii: 10.1007/s10388-020-00811-z
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
559-565Références
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