NCT00442130已完成1 期
Reduced Intensity Stem Cell Transplantation for Advanced Chronic Lymphocytic Leukemia Followed by Vaccination With Lethally Irradiated Autologous Tumor Cells Admixed With Granulocyte Macrophage-colony Stimulating Factor Secreting K562 Cells
适应症
试验速览
- 阶段
- 1 期
- 状态
- 已完成
- 入组人数
- 27
- 试验地点
- 2
- 主要终点
- To assess the safety and toxicity of vaccination with lethally irradiated autologous CLL cells admixed with GM-562 cells following reduced intensity allogeneic stem cell transplant for CLL patients with advanced disease.
研究概览
简要总结
The purpose of this research study is to assess the safety and immune activity of a vaccine made from the participant's own cancer cells, when administered after a reduced intensity transplant. In recent years, researchers at Dana-Farber Cancer Institute have discovered that vaccines made from a patients's own cancer cells, that have been engineered in the laboratory to produce a protein called GM-CSF, can be effective in stimulating a powerful immune response specific to that cancer.
详细描述
- This study can be divided into four phases: 1) Screening; 2) Reduced intensity transplant phase; 3) Vaccinations (cycle 1 and cycle 2:each cycle lasts 7 weeks) and 4) Vaccine completion.
- Screening Phase: After signing the consent form, participants will be asked to undergo some screening tests and procedures to find out if they are eligible to participate in the study. These tests and procedures are likely to be part of regular cancer care and may be done even if the patient does not take part in the research study. It is important to note that if insufficient numbers of the participant's leukemia cells to generate vaccine were collected on the CLL collection and banking study (DF/HCC study 06-200), then they will not be eligible to participate in this study.
- Allogeneic reduced intensity stem cell transplant phase: The transplant phase of the study will begin when the participant is admitted to the hospital to receive chemotherapy and stem cell transplant. The minimum duration of hospitalization for the procedure is approximately 8 days. Undergoing transplant involves the following procedures and treatments: Central intravenous catheter; chemotherapy; medications to prevent graft versus host disease (GVHD); medication to prevent infections; physical exams; blood tests and bone marrow biopsy and aspirate.
- Vaccination Phase: Vaccinations will be given in two cycles, of seven weeks each, that are identical with the exception of when they are administered. Cycle 1 vaccination will begin approximately one month after the stem cells have been infused, provided there is no significant evidence of GVHD. Cycle 2 vaccination will be being approximately one month after discontinuing tacrolimus, provided there is no evidence of severe acute or chronic GVHD. The vaccine will be given 6 times over a period of two months. The participant will receive vaccination shots once weekly for 3 vaccines and then every other week for 3 vaccines.
- Skin biopsies will be done after the first and after the fifth vaccinations. Current status of the participants CLL will be assessed to determine how the disease has responded to transplant and vaccination. These tests include analysis of bone marrow and blood tests.
- Vaccine completion phase: After one cycle of vaccination is completed, the participant will return to the outpatient clinic monthly for check-ups for 6 visits, to monitor the effects of the vaccine.
- Since this trial involves the use of genetically modified cells, it is recommended that participants on this trial undergo annual checkups for at least 20 years, in order to monitor for long term effects of the vaccination treatment.
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
- 否
入选标准
- •Advanced CLL, defined as no response or progressive disease during standard nucleoside analogue based regimen; or, evidence of progressive disease within 24 months of completion of nucleoside analogue regimen; or, intolerance to fludarabine; or, failure to achieve complete remission following salvage regimen.
- •no sites of adenopathy > 5cm
- •(8/8) HLA matched related or unrelated donor available.
- •Must have prior banked tumor, collected by peripheral blood draw, leukapheresis, bone marrow biopsy or by lymph node dissection, per DF/HCC protocol 06-200
- •ECOG performance status 0-2
排除标准
- •Serum creatinine greater than or equal to 2.0mg/dl
- •ALT or AST greater than or equal to 3x ULN
- •Total bilirubin greater than or equal to 2.0mg/dl (except for patients with Gilbert's syndrome)
- •Cardiac ejection fraction greater than or equal to 30%
- •HIV infection
- •Pregnancy
结局指标
主要结局
To assess the safety and toxicity of vaccination with lethally irradiated autologous CLL cells admixed with GM-562 cells following reduced intensity allogeneic stem cell transplant for CLL patients with advanced disease.
时间窗: 2 years
次要结局
- to estimate duration of disease response, disease free and overall survival.(2 years)
- To characterize the biologic activity in response to vaccination with lethally irradiated autologous CLL cells admixed with GM-562 cells, following reduced intensity allogeneic stem cell transplant(2 years)
研究者
Catherine Wu, MD
Principal Investigator
Dana-Farber Cancer Institute
研究点 (2)
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