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临床试验/NCT01072318
NCT01072318Unknown4 期

Evaluate Efficacy and Safety of Extended Adjuvant Treatment With Letrozole in Postmenopausal Women With Hormone Receptor Positive Breast Cancer Who Have Completed 5 Years of Toremifene

Korean Breast Cancer Study Group1 个研究点 分布在 1 个国家目标入组 495 人开始时间: 2010年1月最近更新:
适应症
干预措施
相关药物

试验速览

阶段
4 期
发起方
入组人数
495
试验地点
1
主要终点
Disease free survival rate

研究概览

简要总结

The purpose of this study is to assess Efficacy and Safety of Extended Adjuvant Treatment With Letrozole in Postmenopausal Women With Hormone Receptor Positive Breast Cancer Who Complete 5 Years of Toremifene

详细描述

  1. Primary purpose To evaluate disease free survival rate (DFS) after taking 36 months with Letrozole in postmenopausal women with hormone receptor positive breast cancer who complete 5 years of Toremifene
  2. Secondary purpose
  • To evaluate follows after taking 36 months with Letrozole in postmenopausal women with hormone receptor positive breast cancer who complete 5 years of Toremifene.
  1. Disease Free Survival rate(DFS)-12 months, 24 months
  2. Distant disease free survival rate(DDFS), Overall Survival(OS)
  • 12 months, 24 months, 36 months c. safety
  • Change of lipid profiles
  • Mortality and morbidity due to Cardiovascular disease
  • Incidence of Fracture
  • Change of Bone density
  • Common toxic effect

研究设计

研究类型
Interventional
分配方式
Na
干预模型
Single Group
主要目的
Treatment
盲法
None

入排标准

性别
Female
接受健康志愿者

入选标准

  • Patients have undergone surgery of the breast cancer and proven histologically to be invasive breast cancer.
  • Removed the breast cancer histologically or cytologically
  • No evidence of breast cancer in controlateral breast
  • No evidence of metastasis
  • Postmenopausal Women With Hormone Receptor Positive Breast Cancer Who Complete 5 Years of Toremifene in 30 months
  • Postmenopausal state was defined the following conditions, at least one of a, b
  • Serum FSH ≥ 30 mIU/mL
  • Amenorrhea ≥ 1 year
  • Estrogen receptor(+) or Progesterone receptor(+)
  • No Evidence of Recurrence

排除标准

  • Patient with hormone receptor negative
  • Patients with malignancies
  • Patients with other aromatase inhibitor and chemotherapy
  • Patients with Other hormone therapy and Hormonal replacement therapy
  • Patients with Hormone replacement therapy during taking Toremifene
  • Estimated life expectancy of <12 months
  • WBC<3,000/mm3 or Platelet count<100,000/mm3
  • AST and/or ALT ≥2xUNL
  • Alkaline phosphatase ≥2xUNL

研究组 & 干预措施

Letrozole, DFS

Experimental

Efficacy evaluation of extended letrozole after 5 year fareston use

干预措施: Letrozole (Drug)

结局指标

主要结局

Disease free survival rate

时间窗: 3 years

次要结局

  • Overall survival rate(12, 24, 36 months)
  • Distant disease free survival rate(12 months, 24 months, 36 months)
  • Disease free survival rate(12 months, 24 months)
  • Toxicity was assessed by NCI-CTC version 3.0(36 months)

研究者

发起方
Korean Breast Cancer Study Group
申办方类型
Other

研究点 (1)

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