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Comparative effectiveness study of single high-dose cisplatin with fractionated doses cisplatin in first-line therapy for treatment-naive Chinese patients with advanced non-small-cell lung cancer.

Current Problems in Cancer 2019 Februrary 14
BACKGROUND: Cisplatin is one of the most effective chemotherapeutic drugs for patients with advanced non-small-cell lung cancer (NSCLC). Single high-dose cisplatin is a commonly used chemotherapy regimen in the world. At present, fractionated doses cisplatin is used in most hospitals in China. Although many doctors have begun to try a single dose of cisplatin, there are still few studies on the comparison of the 2 regimens. This study describes the efficacy and side effects of cisplatin single-dose administration and fractionated doses regimen in the treatment of advanced NSCLC.

METHODS: A retrospective study was conducted on 219 patients with advanced NSCLC who received chemotherapy with DDP were divided into 2 groups according to the single dose of cisplatin from January 2014 to December 2017. For experimental group, 108 patients were enrolled and received DDP at a dose of 75 mg/m2 on day 1. A total of 111 patients were enrolled in the control group, and DDP was administrated at 25 mg/m2 on days 1-3. The efficacy, toxicity, and progression-free survival of the 2 groups were observed and analyzed.

RESULTS: In the experimental group, the numbers of patients who received PR, SD, and PD were 66, 34, and 8 respectively. In the control group, the numbers of patients who received PR, SD, and PD were 18, 77, and 16 respectively. The percentages of patients with a objective response rate response in the experimental group were significantly higher than that in the control group (61.11% vs 16.22%, P < 0.0001). The incidence of III-IV vomiting in the experimental group was lower than that in the control group (11.11% vs 26.13%). The incidence of I-II hiccups in the experimental group was higher than that in the control group (15.74% vs 10.81%). None of the patients had III-IV degree nephrotoxicity. Myelosuppression mainly manifested as leukopenia. In the experimental group, the incidence of I-II degree of leukopenia was 71.30%, and the III-IV degree was 7.41%, which was 74.77% and 11.71 respectively in the control group. A small number of patients have a decrease in mild platelets and hemoglobin.

CONCLUSION: For patients with advanced NSCLC who require chemotherapy with DDP regimen, the short-term effect of single-dose administration of DDP is better than that of fractional small-dose administration. Toxicity can be tolerated and it is worth promoting clinically.

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