NCT02643498已完成1 期
A Dose Escalation Trial of Stereotactic Body Radiotherapy (SBRT) After Induction Chemotherapy for Locally Advanced Pancreatic Cancer
适应症
试验速览
- 阶段
- 1 期
- 状态
- 已完成
- 入组人数
- 11
- 试验地点
- 13
- 主要终点
- maximum tolerated dose (MTD) of SBRT
研究概览
简要总结
The purpose of this study is to find out the maximum dose of SBRT that can be safely given after chemotherapy for treatment of pancreatic cancer that cannot be removed surgically.
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
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Histologically or cytopathologically confirmed adenocarcinoma of the pancreas.
- •Locally advanced, unresectable pancreatic cancer as confirmed by the multidisciplinary input from a hepatobiliary surgeon and as defined on CT as having tumor abutment of >180° (> 50%) of the circumference of the superior mesenteric artery (SMA) or celiac axis, unreconstructable superior mesenteric vein (SMV) or PV involvement.
- •No evidence of distant metastasis either prior to or after induction chemotherapy.
- •Completion of at least 3 months, but no more than 6 months of standard induction chemotherapy for LAPC, which may include FOLFIRINOX or gemcitabine and nab-paclitaxel, preferably within 2-4 weeks but no longer than 8 weeks.
- •Pancreatic tumor size ≤ 5 cm.
- •Age ≥18 years
- •Patients must have acceptable organ and marrow function as defined below:
- •Leukocytes >3,000/uL
- •Absolute neutrophil count >1,500/uL
- •Platelets >50,000/uL
- •Total bilirubin Within 2 x upper limit of normal
- •AST (SGOT)/ALT (SGPT) <2.5 x institutional upper limit of normal
- •Creatinine-Creatinine clearance Within 1.5 x upper limit of normal OR >60 mL/min for patients with creatinine levels above institutional normal
- •Ability to understand and follow the breathing instructions involved in the respiratory gating procedure or to tolerate compression sufficient to reduce fiducial motion to ≤ 5mm
- •Ability to understand and the willingness to sign a written informed consent document.
排除标准
- •Patients who have had prior abdominal radiotherapy.
- •Patients receiving any other investigational agents
- •Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements.
- •Contraindication to Magnetic Resonance Imaging
- •Patients in which iodine contrast is contraindicated
- •Pregnant and breastfeeding women are excluded. Women of child-bearing potential who are unwilling or unable to use an acceptable method of birth control to avoid pregnancy for the entire study period and for up to 4 weeks after the study are excluded. This applies to any woman who has experienced menarche and who has not undergone successful surgical sterilization or is not postmenopausal (defined as amenorrhea for at least 12 consecutive months, or women on hormone replacement therapy with serum FSH levels greater than 35 mIU/mL. A negative urine or serum pregnancy test must be obtained within 14 days prior to the start of study therapy in all women of child-bearing potential. Male subjects must also agree to use effective contraception for the same period as above.
结局指标
主要结局
maximum tolerated dose (MTD) of SBRT
时间窗: after at least 3 months of induction chemortherapy
Dose limiting toxicities (DLT) are defined by ≥ Grade 3 treatment-related GI toxicity within 3 months of SBRT. These include: (1) Bowel (includes bowel perforation, obstruction, or hemorrhage) and (2) Stomach (bleeding ulcer, perforation). We will employ a standard 3+3 dose-escalation scheme. Patients will be accrued to the study in cohorts of 3.
次要结局
未报告次要终点
研究者
研究点 (13)
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