Randomized Multicenter Phase Ii Study Of Modified Docetaxel, Cisplatin, And Fluorouracil (Dcf) Versus Dcf Plus Growth Factor Support In Patients With Metastatic Gastric Adenocarcinoma: A Study Of The Us Gastric Cancer Consortium
JOURNAL OF CLINICAL ONCOLOGY(2015)
摘要
PurposeDocetaxel, cisplatin, and fluorouracil (DCF) is a standard first-line three-drug chemotherapy regimen for advanced gastric or gastroesophageal junction (GEJ) adenocarcinoma and is associated with significant toxicity. We examined the safety and efficacy of a modified DCF (mDCF) regimen in a randomized multicenter phase II study.Patients and MethodsPreviously untreated patients with metastatic gastric or GEJ adenocarcinoma were randomly assigned to receive either mDCF (fluorouracil 2,000 mg/m(2) intravenously [IV] over 48 hours, docetaxel 40 mg/m(2) IV on day 1, cisplatin 40 mg/m(2) IV on day 3, every 2 weeks) or parent DCF (docetaxel 75 mg/m(2), cisplatin 75 mg/m(2), and fluorouracil 750 mg/m(2) IV over 5 days with granulocyte colony-stimulating factor, every 3 weeks). The study had 90% power to differentiate between 6-month progression-free survival of 26% and 43%, with type I and II error rates of 10% each. An early stopping rule for toxicity was included, defined as grade 3 to 4 adverse event rate > 70% in the first 3 months.ResultsFrom November 2006 to June 2010, 85 evaluable patients were enrolled (male, n = 61; female, n = 24; median age, 58 years; Karnofsky performance status, 90%; GEJ, n = 28; gastric, 57). mDCF (n = 54) toxicity rates included 54% grade 3 to 4 toxicity (22% hospitalized) within the first 3 months and 76% grade 3 to 4 toxicity over the course of treatment. The DCF arm (n = 31) closed early because of toxicity, with rates of 71% grade 3 to 4 toxicity (52% hospitalized) within 3 months and 90% grade 3 to 4 toxicity over the course of treatment. Six-month PFS was 63% (95% CI, 48% to 75%) for mDCF and 53% (95% CI, 34% to 69%) for DCF. Median overall survival was improved for mDCF (18.8 v 12.6 months; P = .007).ConclusionmDCF is less toxic than parent DCF, even when supported with growth factors, and is associated with improved efficacy. mDCF should be considered a standard first-line option for patients with metastatic gastric or GEJ adenocarcinoma. (C) 2015 by American Society of Clinical Oncology
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关键词
metastatic gastric adenocarcinoma,versus dcf,growth factor support,fluorouracil
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