A Phase I CyberKnife Accelerated Hemilarynx Stereotactic Radiotherapy Study for Early-stage Glottic Larynx Cancer
试验速览
- 阶段
- 1 期
- 状态
- 已完成
- 入组人数
- 30
- 试验地点
- 1
- 主要终点
- Fraction
研究概览
简要总结
The feasibility of reducing fractions in early-stage laryngeal cancer has not previously been prospectively studied, and we will therefore conduct a careful phase I bio-equivalent dose fraction reduction study.
详细描述
Patients enrolled at each dose level will undergo routine evaluations to identify potential toxicities as well functional voice analyses. Adequate waiting periods will be used to ensure that fraction reduction does not proceed prior to observing toxicity. The purpose of the study will be either to determine the maximal fraction reduction possible until a dose is reached where a dose-limiting toxicity occurs. The initial dose and fractionation will be 50 Gy in 15 fractions with the goal to reduce number of fractions to a dose of 42.5 Gy in 5 fractions. The rationale for using 5 fractions is that it is tolerated in centrally located lung tumors at a dose of 50 Gy in 5 fractions, and thus, is likely to be tolerated in large calliber airways.
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 99 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •3.1.1 Stage Tis, T1, or T2 laryngeal squamous cancer as defined by American Joint Commission on Cancer (AJCC) 2007 staging system
- •3.1.2 Biopsy proven squamous cell carcinoma histology or squamous cell variants (sarcomatoid, verrucous, basaloid, and papillary subtypes) involving the true vocal cord
- •3.1.3 Direct laryngoscopy showing no evidence of greater than Stage II true glottic larynx cancer
- •3.1.4 PET/CT, X-ray, CT-scan of the chest showing no evidence of metastatic disease
- •3.1.5 PET/CT or CT-scan of the neck showing no evidence of nodal involvement
- •3.1.6 Age ≥ 18 years.
- •3.1.7 Women of child-bearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry, for the duration of study participation, and for 90 days following completion of therapy. Should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform her treating physician immediately.
- •3.1.7.1 A female of child-bearing potential is any woman (regardless of sexual orientation, having undergone a tubal ligation, or remaining celibate by choice) who meets the following criteria:
- •Has not undergone a hysterectomy or bilateral oophorectomy; or
- •Has not been naturally postmenopausal for at least 12 consecutive months (i.e., has had menses at any time in the preceding 12 consecutive months).
- •3.1.8 Ability to understand and the willingness to sign a written informed consent
- •3.1.9 Eastern Cooperative Oncology Group (ECOG) performance status 0-1
- •3.1.10 Negative Urine β-HCG or negative serum quantitative β-HCG or within 2 weeks prior to registration for women of childbearing potential
排除标准
- •3.2.1 Evidence of fixed vocal cord (Stage cT3)
- •3.2.2 Evidence of thyroid or soft tissue invasion (Stage cT4)
- •3.2.3 Evidence of positive nodal disease (Stage N1)
- •3.2.4 Evidence of metastatic disease (Stage M1)
- •3.2.5 Subjects may not be receiving any other investigational agents.
- •3.2.6 Non-squamous histology including lymphoma, neuroendocrine carcinoma, adenocarcinoma, or other histology.
- •3.2.7 Previous laryngeal surgery.
- •3.2.8 Previous laser therapy within one year prior to protocol treatment.
- •3.2.9 Previous head and neck radiation therapy involving the glottic larynx
- •3.2.10 Patients with collagen vascular disease, specifically dermatomyositis with a CPK level above normal or active skin rash, systemic lupus erythematosis, or scleroderma.
- •3.2.11 Any prior treatment with radiation therapy or chemotherapy for the currently diagnosed larynx cancer prior to registration.
- •3.2.12 History of another active uncontrolled malignancy at the time of study enrollment
- •3.2.13 Subjects must not be pregnant due to the potential for congenital abnormalities.
- •3.2.14 Patients smoking in excess of 2 packs of cigarettes per day.
- •3.2.15 ECOG performance status ≥ 2
- •3.2.16 Life expectancy < 3 years
研究组 & 干预措施
Radiation
CyberKnife Accelerated Hemilarynx Stereotactic Radiotherapy
干预措施: CyberKnife Accelerated Hemilarynx Stereotactic Radiotherapy (Radiation)
结局指标
主要结局
Fraction
时间窗: 90 days
To determine the feasibility of fraction reduction for early-stage laryngeal cancer without exceeding the maximum tolerated dose.
次要结局
- cost-effectiveness(18 months)
- late toxicity(18 months)
- overall survival(5 years)
- loco-regional control(5 years)
- functional voice quality(18 months)
- Quality of Life(18 months)
研究者
Baran Sumer
Professor of Medicine
University of Texas Southwestern Medical Center