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- Title
Monitoring with sensitive tumor markers contributes to decision-making and better prognosis in gastric cancer patients with peritoneal recurrence.
- Authors
Ohashi, Takuma; Komatsu, Shuhei; Ichikawa, Daisuke; Kosuga, Toshiyuki; Okamoto, Kazuma; Arita, Tomohiro; Konishi, Hirotaka; Morimura, Ryo; Murayama, Yasutoshi; Shiozaki, Atsushi; Kuriu, Yoshiaki; Ikoma, Hisashi; Nakanishi, Masayoshi; Fujiwara, Hitoshi; Otsuji, Eigo
- Abstract
Background: There is no evidence that monitoring tumor dynamics using sensitive tumor markers contributes to treatment decision-making and prognosis in gastric cancer patients with tumor recurrence. This study was designed to investigate the significance of tumor markers in monitoring peritoneal recurrence of gastric cancer. Methods: We retrospectively analysed 102 consecutive patients who developed recurrence after curative gastrectomy for gastric cancer at our institute between 2002 and 2011. They were followed intensively using tumor markers such as carbohydrate antigen 19-9 and carcinoembryonic antigen. Results: Of 102 patients who exhibited recurrence, 51 had peritoneal recurrence. These patients were divided into three groups according to the status of tumor markers at the time of recurrence. Each tumor marker was re-elevated in 28 patients (58%) (re-elevation group; REG), was continuously elevated since initial surgery in 13 patients (22%) (continuous elevation group; CEG) and was not elevated in 10 patients (20%) (non-elevation group; NEG). With regard to survival after recurrence and total postoperative survival, patients in the REG were significantly better than those in the other groups ( p = 0.001, p = 0.018, respectively). REG patients received more different types of chemotherapy regimens than NEG patients because of monitoring ( p = 0.018). Multivariate analysis revealed that re-elevation of tumor markers at the time of recurrence was an independent and better prognostic factor for peritoneal recurrence ( p = 0.003, hazard ratio 0.29). Conclusion: Monitoring of tumor dynamics with sensitive tumor markers may contribute to the decision-making process for more promising chemotherapeutic regimens by avoiding subsequent ileus and lead to better prognosis in gastric cancer patients with peritoneal recurrence.
- Subjects
GASTROINTESTINAL cancer treatment; DIAGNOSTIC use of tumor markers; PERITONEAL cancer; CANCER relapse; MEDICAL decision making; CANCER treatment; PREVENTION
- Publication
International Journal of Clinical Oncology, 2017, Vol 22, Issue 5, p897
- ISSN
1341-9625
- Publication type
Article
- DOI
10.1007/s10147-017-1132-z