NCT02252055已完成1 期
A Phase I/II Monocentric Trial of Cellular Immunotherapy Based on Autologous Tolerogenic Dendritic Cells (ATDCs) Administration in Patients With Renal Insufficiency Receiving as First Transplantation a Kidney Transplant From a Living-donor.
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
- 2
- 主要终点
- Incidence of biopsy-confirmed acute rejection (BCAR)
研究概览
简要总结
To collect evidence of the safety of administering autologous tolerogenic dendritic cells (ATDC) preparations to living-donor renal transplant recipients in the context of an international European Union funded consortium aimed at evaluationg cellular immunotherapy in solid organ transplantation (The ONE Study). It is anticipated that immune regulation induced by ATDC therapy can evntually be used to reduce the need for conventional immunosuppression in transplant recipients.
详细描述
Decades of immunosuppressive drug development have produced an array of powerful pharmacological agents, but the various drawbacks associated with these treatments leaves considerable room for improvement. By harnessing the power of suppressive mechanisms in the human immune system, regulatory cell therapy may be able to support peripheral tolerance and induce a level of donor-specific unresponsiveness that allows for a reduction in the use of conventional immunosuppression in organ transplant recipients. Several alternative regulatory cell types have been identified as potential adjunct immunotherapies for solid organ transplantation and are now approaching a stage of development that would allow clinical testing in an early-stage trial. The ONE Study aims to answer the question as whether ATDC treatment, or immunoregulatory cell-based therapy in general, has any place in the clinical management of solid organ transplant recipients.
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
- •Chronic renal insufficiency necessitating kidney transplantation and approved to receive a primary kidney allograft from a living donor
- •Aged at least 18 years
- •Able to commence the immunosuppressive regimen at the protocol-specified time point
- •Willing and able to participate in The ONE Study IM and HEC subprojects
- •Eligible for leucapheresis prior to organ transplantation
- •Signed and dated written informed consent
排除标准
- •Patient has previously received any tissue or organ transplant other than the planned kidney graft
- •Known contraindication to the protocol-specified treatments / medications (like known allergies to heparin)
- •Genetically identical to the prospective organ donor at the HLA loci (A.B.DR 0 mismatch)
- •PRA grade > 0 within 6 months prior to enrolment
- •Previous treatment with any desensitisation procedure (with or without IVIg)
- •Concomitant malignancy or history of malignancy within 5 years prior to planned study entry (excluding successfully-treated non-metastatic basal/squamous cell carcinoma of the skin)
- •ABO incompatibility
- •Presence of DSA (donor specific antibodies) detected by luminex prior transplantation
- •Evidence of significant local or systemic infection
- •HIV-positive, EBV-negative or suffering chronic viral hepatitis, syphilis serology- positive
- •Significant liver disease, defined as persistently elevated AST and/or ALT levels > 2 x ULN (Upper Limit of Normal range)
- •Malignant or pre-malignant haematological conditions
- •Any uncontrolled medical condition or concurrent disease that could interfere with the study objectives
- •Any condition which, in the judgement of the Investigator, would place the subject at undue risk
- •Ongoing treatment with systemic immunosuppressive drugs at inclusion (despite corticoids lower than 10 mg)
- •Participation in another clinical trial during the study or within 28 days prior to planned study entry
- •Exposure to an investigational product during the study or within 28 days prior to planned study entry
- •Female patients of child-bearing potential with a positive pregnancy test at enrolment and F01
- •Female patients who are breast-feeding
- •All female patients of child-bearing potential* UNLESS:
- •The patient is willing to maintain a highly effective method of birth control** for the duration of the study
- •The career, lifestyle, or sexual orientation of the patient ensures that there is no risk of pregnancy for the duration of the study (at the discretion of the Investigator)
- •Psychological, familial, sociological or geographical factors potentially hampering compliance with the study protocol and follow-up visit schedule
- •Any form of substance abuse, psychiatric disorder, or other condition that, in the opinion of the Investigator, may invalidate communication with the Investigator and/or designated study personnel
- •Patients unable to freely give their informed consent (e.g. individuals under legal guardianship).
- •Criteria specific to the infusion of the ATDC_Nantes:
- •Any pro-coagulant disposition, as evidenced by a past history of thromboembolic disease or abnormal laboratory coagulation parameters which, in the judgement of the Investigator, would place the subject at undue risk
- •Any condition resulting in a substantial reduction in the volume of the pulmonary vasculature or an increase in the pulmonary vascular resistance. Any disease or disease process leading to substantially elevated pulmonary arterial pressure (as evidenced by electrocardiography, echocardiography, radiology or cardiac catheterisation) or right heart hypertrophy or dysfunction
- •Known atrial or ventricular septal defects posing a risk of paradoxical embolism of infused cells or cell aggregates
- •Known hypersensitivity to any component of the cell product or components used in the manufacture of the cell product.
- •Inclusion Criteria:
- •Eligible for live kidney donation
- •Willing and able to provide a blood sample for The ONE Study IM Subproject
- •Willing to provide personal and medical/biological data for the trial analysis
- •Signed and dated written informed consent
- •Exclusion Criteria:
- •Genetically identical to the prospective organ recipient at the HLA loci (A.B.DR 0 mismatch)
- •Exposure to any investigational agents at the time of kidney donation, or within 28 days prior to kidney donation
- •Any form of substance abuse, psychiatric disorder, or other condition that, in the opinion of the Investigator, may invalidate communication with the Investigator and/or designated study personnel
- •Subjects unable to freely give their informed consent (e.g. individuals under legal guardianship).
- •ABO incompatibility
结局指标
主要结局
Incidence of biopsy-confirmed acute rejection (BCAR)
时间窗: 60 weeks
次要结局
- Avoidance of drug-related complications by immunosuppressant reduction(60 weeks)
- Incidence of post-transplant dialysis, inclusion on the transplant waiting list or re-transplantation following graft loss through rejection (acute or chronic).(60 weeks)
- Incidence of embolic pulmonary complications and other embolic events(60 weeks)
- Time to first acute rejection episode(60 weeks)
- Severity of acute rejection episodes(60 weeks)
- Prevention of chronic graft dysfunction (chronic rejection or IF/TA)(60 weeks)
- Total immunosuppressive burden(60 weeks)
- Biochemical disturbances caused by cell infusion(1 week)
- Immunological condition of study patients w(60 weeks)
- Incidence of patients treated for subclinical acute rejection on the basis of histopathological findings(60 weeks)
- Over-suppression of the immune system assessed by the incidence of major and/or opportunistic infections, especially CMV, EBV and polyoma virus(1 week)
- Incidence of immunological reactions resulting in anaphylactoid reactions, immediate cardiovascular compromise or other acute organ failure(1 week)
- Over-suppression of the immune system assessed by the incidence of neoplasia.(1 week)
研究者
研究点 (2)
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