Radiation Dose Study of Concurrent Chemoradiotherapy With Cisplatin Plus Fluorouracil in Oesophageal Cancer
试验速览
- 阶段
- 不适用
- 入组人数
- 500
- 试验地点
- 1
- 主要终点
- Objective Tumor Response
研究概览
简要总结
The objective of this study is to determine the optimal radiation dosage used in concurrent chemo-radiotherapy in Chinese population. A dose climbing experiment is carried out with an initiate dose of 50Gy conventionally applied in Western countries.
详细描述
Esophageal cancer (EC) continues to be a major health burden worldwide. The 5-year survival rates for esophageal cancer have remained less than 15% over decades, probably because of ineffective therapies and the detection of late-stage cancers. Concurrent chemo-radiotherapy was established as one of the viable options for therapy of patients with localized EC following the results from the landmark trial of the Radiation Therapy Oncology Group (RTOG) 85-01 trial, showing a significant survival advantage of concurrent chemoradiation over radiation alone.
The use of radiochemotherapy with cisplatin and 5-fluorouracil (5-FU) is a well-accepted standard for the definitive treatment of esophageal cancer in China which has also been demonstrated efficacy and good tolerability internationally. The AJCC recommended dose range of radiotherapy for concurrent therapy is 45-50.4Gy. Moreover, (RTOG) 85-01 trial also established 50.4 Gy as the standard dose of radiation to be administered concurrently with chemotherapy. However, the appropriate dose of radiation fit for Chinese remains controversial. Due to insufficient evidence of EBM, radiation therapist in China always prescribe a radiation dosage by their own experience. Dosages (e.g. 60-64Gy) significantly higher than the international standard is commonly used in Chinese EC patients which lead to a greater likelihood of toxicity. Thus Chinese oncologists are urgent to reach a consensus about radiation dosage in the standard treatment of local advanced EC.
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
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Biopsy-proven squamous cell carcinoma or adenocarcinoma of thoracic or cervical esophagus or gastroesophageal junction esophagus, including the gastroesophageal junction
- •Measurable lesion
- •Age > 18 years
- •Karnofsky performance score > 70
- •Life expectancy > 3 months
- •Adequate bone marrow function (white blood cell [WBC] count ≥ 3.5 109/L, neutrophil count ≥ 2.0 109/L, and platelet count ≥ 100 109/L), adequate renal function (creatinine ≤ 2 mg/dL or creatinine clearance ≥ 50 mL/min), and normal liver function (aspartate aminotransferase and alanine aminotransferase less than two times the upper limit of normal, total serum bilirubin ≤ 1.5 mg/dL).
排除标准
- •Prior systemic chemotherapy for EC
- •Evidence of distant metastatic disease
- •Evidence of uncontrolled medical conditions (e.g.,serious infection,grade 4 hypertension,congestive heart failure)
- •A history of concomitant or previous malignancy.
- •Physical evidence of peripheral neuropathy or hearing loss
研究组 & 干预措施
Concurrent radiochemotherapy
干预措施: Megavoltage photon beam (Radiation)
Concurrent radiochemotherapy
干预措施: cisplatin-fluorouracil chemotherapy (Drug)
结局指标
主要结局
Objective Tumor Response
时间窗: One day after completion of the initial therapeutic dose (50.0Gy) and the total dose of radiotherapy
objective evaluation is made according to the standards of Response Evaluation Criteria in Solid Tumors (RECIST)，defined as complete response(CR),partial response (PR)，stable disease(SD),and progressive disease (PD).Tumor sizes are measured using barium esophagram or CT.
次要结局
- adverse events(Side effect assessment was performed every week for the duration of concurrent radiochemotherapy, an expected average of 5 weeks)