Clinical Significance of Pretherapeutic Serum Squamous Cell Carcinoma Antigen Level in Patients with Neoadjuvant Chemotherapy for Esophageal Squamous Cell Carcinoma

Akihiko Okamura, Satoru Matsuda, Shuhei Mayanagi, Jun Kanamori, Yu Imamura, Tomoyuki Irino, Hirofumi Kawakubo, Shinji Mine, Hiroya Takeuchi, Yuko Kitagawa, Masayuki Watanabe

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Background: Although squamous cell carcinoma antigen (SCC-Ag) is a tumor marker widely used to estimate the progression of esophageal SCC (ESCC), only a few studies have focused on the relationship between serum SCC-Ag levels and the therapeutic effect of neoadjuvant chemotherapy (NAC). Objective: This study aimed to elucidate the clinical significance of pretherapeutic serum SCC-Ag levels in patients who underwent NAC followed by esophagectomy. Methods: Data of 453 patients who underwent NAC followed by esophagectomy were collected from the esophageal cancer database of two high-volume Japanese centers. Serum SCC-Ag levels were measured prior to NAC, and the pathological therapeutic effect of NAC and patient survival were evaluated. Patients were classified according to the tertiles of the serum SCC-Ag value (low, middle, and high groups), and the outcomes among the groups were compared. Results: The levels of serum SCC-Ag were significantly associated with tumor stage (p < 0.01). With regard to the pathological therapeutic effect, the levels of serum SCC-Ag were negatively correlated with the therapeutic effect (p = 0.02). Moreover, increased levels of serum SCC-Ag negatively influenced relapse-free survival (p < 0.01). Multivariate analyses revealed the ‘high’ group as the independent factor for both the unfavorable therapeutic effect (p = 0.01) and the increased risk of disease recurrence (p < 0.01) when compared with the ‘low’ group. Conclusion: Elevated levels of pretherapeutic serum SCC-Ag are significantly associated with advanced tumor stage, poor response to NAC, and increased risk of disease recurrence.

元の言語English
ジャーナルAnnals of Surgical Oncology
DOI
出版物ステータスAccepted/In press - 2020

ASJC Scopus subject areas

  • Surgery
  • Oncology

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