肛门癌同步放化疗 + 5-FU + 丝裂霉素 C
笔形束扫描质子束联合 5-氟尿嘧啶和丝裂霉素 C 治疗肛管癌最终同步放化疗的初步可行性研究
This research study is a Pilot Study. Pilot studies are conducted to see if it is practical to do this type of research ona larger scale in the future. The pilot part of the study is to assess the possibility of using pencil beam proton radiation to treat your type of cancer. Proton radiation is used for many other types of malignancies, but its use for the treatment of anal cancer has been limited. The treatment is still being studied as research doctors are trying to find out more about its use in the treatment of anal cancer. Proton beam radiation therapy is an FDA approved radiation delivery system.
You are being asked to participate in this study because you have cancer in the anal canal. Conventional radiation therapy with photons in combination with 5-FU and mitomycin-C is used as standard treatment for many patients with anal cancer.
In this research study we are looking at another type of radiation called proton radiation, which is known to spare surrounding tissue and organs from radiation. Proton radiation delivers radiation to the area requiring radiation but delivers no dose beyond the region requiring treatment. There are several techniques that can be used to deliver proton radiation therapy. One of the newer techniques, called pencil beam scanning, allows for more accurate delivery of radiation to your tumor and further reduces the amount of normal tissue exposed to radiation. Most proton patients are treated with a number of beams that study doctors conform to the shape of your tumor. Pencil beam scanning delivers radiation with a single, narrow proton beam that is swept over the area of your tumor. This may reduce side effects that patients would normally experience with conventional radiation therapy or other means of delivering proton radiation therapy, and also minimizes treatment time.
In this research study, we are evaluating the effectiveness of using pencil beam proton radiation delivered to reduce side effects associated with radiation treatment.
研究概览
详细说明
If you agree to participate in this study, you will be asked to undergo some screening tests or procedures to confirm that you are eligible. Many of these tests and procedures are likely to be part of regular cancer care and may be done even if it turns out that you do not take part in the research study. If you have had some of these tests or procedures recently, they may or may not have to be repeated. The screening will include the following: a medical history, physical examination, biopsy of your tumor, anal and groin exam, archival tumor tissue, CT or PET-CT, MRI, blood tests and a serum pregnancy test. If these tests show that you are eligible to participate in the research study, you will begin the study treatment. If you do not meet the eligibility criteria, you will not be able to participate in this research study.
Proton Radiation will be delivered daily for 5-6 weeks, depending on the dose prescribed by your physician. Treatment is delivered (Monday-Friday) for 5 days (no weekends or holidays). Each treatment will require that you lie on a table for 25-30 minutes.
You will receive radiation therapy as an outpatient at the Massachusetts General Hospital.
You will start receiving chemotherapy within 5 days of starting radiation treatment. The day you start chemotherapy will be considered Day 1.
You will receive Mitomycin-C on Days 1 and 29 of chemotherapy. Mitomycin-C will be delivered via IV infusion over a period of 10-30 minutes.
You will receive 5-fluorouracil on Day 1 and 29 of chemotherapy. You will be fitted with an ambulatory infusion pump that will administer 5-FU via IV infusion continuously over a period of 96 hours. The infusion pump will be about the size of a paperback book that can fit into a front-pack or "fanny-pack" around your waist. This pump will be connected to your body. The nurses in the infusion room will start the pump and disconnect it after 4 days.
At your 6 and 12 week follow up visits, a physical examination and the tests and procedures you receive will tell your study doctor whether your disease has gotten better, worse or stayed the same.
If your cancer has gotten better, you will continue to be monitored at your follow up visits.
If your cancer is suspected to have gotten worse, you will need to have a biopsy to confirm. If the biopsy is negative, you will need to come back for re-evaluation at 16 weeks (about 4 months) after completing radiation therapy.
If the biopsy confirms that your cancer has gotten worse, your doctor will recommend that you have surgery for the removal of your tumor.
If your cancer has stayed the same, your doctor will recommend that you have additional procedures done to develop a plan for treatment.
After you complete radiation therapy, you will be followed for up to 5 years.
研究类型
注册 (实际的)
阶段
- 第一阶段早期
联系人和位置
学习地点
-
-
Massachusetts
-
Boston、Massachusetts、美国、02114
- Massachusetts General Hospital
-
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Pennsylvania
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Philadelphia、Pennsylvania、美国、19104
- Roberts Proton Therapy Center of the University of Pennsylvania
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-
参与标准
资格标准
适合学习的年龄
接受健康志愿者
有资格学习的性别
描述
Inclusion Criteria:
- Histologically or cytologically confirmed invasive primary squamous, basaloid or cloacogenic carcinoma of the anal canal
- Life expectancy of at least 3 months
Exclusion Criteria:
- Prior abdominopelvic radiotherapy
- Prior systemic therapy for anal cancer
- Pregnant or breastfeeding
- Receiving other investigational agents
- History of allergic reactions attributed to compounds of similar chemical or biologic composition to mitomycin-C or 5-fluorouracil
- Prior surgery for cancer of the anus that removed all macroscopic anal cancer
- Uncontrolled intercurrent illness
- AIDS based on current CDC definition
- Other immunocompromised status
- Individuals with a history of a different malignancy are ineligible except for the following circumstances: disease-free for at least 5 years or at low risk for recurrence or cervical cancer in situ, and basal cell or squamous cell carcinoma of the skin
学习计划
研究是如何设计的？
设计细节
- 主要用途：治疗
- 分配：不适用
- 介入模型：单组作业
- 屏蔽：无（打开标签）
武器和干预
参与者组/臂 |
干预/治疗 |
|---|---|
|
实验性的：Pencil Beam Scanning Radiation
Pencil Beam Radiation daily, Monday-Friday, for 5-6 weeks Mitomycin-C via IV on Days 1 and 29 5-Fluorouracil via infusion pump over 4 days, starting Day 1 and 29 of chemotherapy |
其他名称：
|
研究衡量的是什么？
主要结果指标
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
|
Number of Participants With Grade 3+ Dermatologic Toxicity
大体时间：2 years
|
Proton radiotherapy will be considered feasible if grade 3+ skin toxicity seen on this protocol is less than 48% (reported grade 3+ dermatologic toxicity from RTOG 98-11) |
2 years
|
次要结果测量
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
|
Clinical Complete Response on Digital Rectal Exam
大体时间：Median follow up of 27 months
|
Overall rate of clinical complete response using digital rectal examination performed every 4 to 6 weeks until complete clinical response (cCR) up to 6 months. Patients were followed with digital rectal examination every 3 months until year 2, then every 6 months until year 5, and annual scans for 3 years thereafter. |
Median follow up of 27 months
|
|
Local Failure
大体时间：2 years
|
Estimate the rate of local failure; local failure will be measured from study entry to date of first local or regional failure |
2 years
|
|
Colostomy-Free Survival
大体时间：2 years
|
Estimate the rate of colostomy-free survival; colostomy-free survival will be measured from study entry. |
2 years
|
|
Progression Free Survival
大体时间：2 years
|
Estimate the rate of progression free survival; progression free survival will be measured from study entry to date of first local, regional, distant or second primary failure or date of death. |
2 years
|
|
Overall Survival
大体时间：2 years
|
Estimate the rate of overall survival; overall survival will be measured from study entry to 2 years |
2 years
|
合作者和调查者
调查人员
- 首席研究员：Jennifer Y. Wo, MD、Massachusetts General Hospital
出版物和有用的链接
研究记录日期
研究主要日期
学习开始 (实际的)
初级完成 (实际的)
研究完成 (实际的)
研究注册日期
首次提交
首先提交符合 QC 标准的
首次发布 (估计的)
研究记录更新
最后更新发布 (实际的)
上次提交的符合 QC 标准的更新
最后验证
更多信息
此信息直接从 clinicaltrials.gov 网站检索，没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求，请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改，我们的网站上也会自动更新.