Abstract
Gastric cancer is the 2nd leading cause of cancer death worldwide. Malignant bowel obstruction (mbo) is a common complication in advanced gastric cancer because of peritoneal dissemination. A multicentre prospective study reported that patients with peritoneal dissemination of gastric origin survive for a median of 3.1 months. The aim of the present study was therefore to evaluate the efficacy and safety of metronomic combination chemotherapy with 5-fluorouracil and cisplatin in inoperable mbo from peritoneal dissemination in gastric cancer. Gastric cancer patients diagnosed with inoperable mbo because of peritoneal dissemination were treated with infusional 5-fluorouracil 300 mg/m(2) daily on days 1-5 and 8-12, and cisplatin 5 mg/m(2) daily on days 1-4 and 8-11 every 3 weeks. The primary endpoint was symptom control (remission of obstruction); the secondary endpoint was symptom control time and survival; the tertiary endpoint was adverse effects. Between January 2013 and December 2014, 26 patients received the study treatment. Before treatment, 18 patients (69.2%) were nil per os, and 8 (30.8%) could consume liquids. After a mean of 3.3 cycles of the study treatment, just 4 patients (15.4%) was still nil per os. Of the remaining 22 patients, 3 (11.5%) could consume liquids, 7 (26.9%) could consume soft solids, and 12 (46.2%) ate a full diet. The improved ability to eat was statistically significant (p < 0.0001). Median duration of remission from mbo was 105 days. Median survival was 182 days. The 3-month survival rate was 69.2%, and the 6-month survival rate was 53.8%. Treatment was well tolerated, with grade iii toxicities consisting of thrombocytopenia in 1 patient (3.84%) and mucositis in 2 patients (7.7%). No abnormalities in serum creatinine were observed. Metronomic combination chemotherapy with 5-fluorouracil and cisplatin is well tolerated and shows activity in inoperable mbo because of peritoneal dissemination in gastric cancer. Metronomic combination chemotherapy with 5-fluorouracil and cisplatin provides a rationale for exploring this medical problem in the future.
Highlights
Gastric cancer is the 4th most commonly diagnosed cancer worldwide[1] and has a high incidence in some Asian countries and in Europe
Metronomic combination chemotherapy with 5-fluorouracil and cisplatin provides a rationale for exploring this medical problem in the future
We evaluated 26 patients with inoperable mbo resulting from peritoneal dissemination by gastric cancer, demonstrating that metronomic combination chemotherapy with 5-fluorouracil and cisplatin improved subjective symptoms such as nausea, vomiting, and abdominal pain in 80.8% of patients
Summary
Gastric cancer is the 4th most commonly diagnosed cancer worldwide[1] and has a high incidence in some Asian countries (including China) and in Europe. Its mortality rate has declined in recent years, gastric cancer remains the 2nd leading cause of cancer death worldwide. Malignant bowel obstruction (mbo) is a common complication in patients with advanced gastric cancer. Gastric cancer is the 2nd leading cause of cancer death worldwide. Malignant bowel obstruction (mbo) is a common complication in advanced gastric cancer because of peritoneal dissemination. A multicentre prospective study reported that patients with peritoneal dissemination of gastric origin survive for a median of 3.1 months. The aim of the present study was to evaluate the efficacy and safety of metronomic combination chemotherapy with 5-fluorouracil and cisplatin in inoperable mbo from peritoneal dissemination in gastric cancer
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