- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01517347
Efficiency Study of Low Dose of IL-2 to Prevent Relapse in Standard Risk Leukemia After Transplantation
Low Dose of Interleukin-2 Following Allogeneic Unmanipulated Blood and Marrow Transplantation in Treating Patients With Standard Risk Hematologic Malignancy
Hematopoietic stem cell transplantation (HSCT) is one of the best, and sometimes the only, option for the treatment of leukemia. However, relapse rate was still the key question to influence the overall survival after transplantation, even in standard risk leukemia.There were good evidences that natural killer cells and T regulatory cells, which were expanded and stimulated by the application of IL-2, could mediate protection against GvHD while maintaining graft anti-tumor activity as a positive side effect. Meanwhile, it was found in our previous pilot study that low-dose IL-2 subcutaneous administration from 100 days for a prolonged period could be a safe and effective strategy to prevent relapse in acute lymphoblastic malignancy patients with high risk of recurrence after unmanipulated allo-HSCT.
The study hypothesis:
Prevention of relapse using low dose IL-2 following hematopoietic stem cell transplantation in patients with standard risk acute leukemia can
- reduce relapse rate
- improve survival
Study Overview
Detailed Description
Standard risk patients over 15 years old(except Ph+ ALL, AML t(8;21) and T-ALL) undergone unmanipulated blood and marrow transplantation following day 60 post-transplantation were randomized into treated group (with low dose IL-2 treatment) or controlled group (without any intervention post-transplantation). The end points were safety and clinical and immunologic response.Following time is 24 months.
Primary Outcome Measures:
*To determine the feasibility and efficacy of administering an 6 course of subcutaneous IL-2 in this patient population. [ Time Frame: 2 years ]
Secondary Outcome Measures:
*To assess the immunologic impact of ultra-low dose subcutaneous IL-2 in patients after transplantation [ Time Frame: 2 years ] Estimated Enrollment:360 Study Start Date:Jan 2012 Estimated Study Completion Date:Jan 2016
Intervention Details Description:
*Drug: Interleukin-2 Dose will vary depending upon when participant enters the trial: Given as a daily injection under the skin for 8 weeks.
Detailed Description:
- Patients receive low dose interleukin-2(Daily 1×106 IU per square meter of body-surface area) on days 60 after unmanipulated blood and marrow transplantation. Interleukin-2 treatment repeats every 14 days for 6 courses in the absence of disease progression or unacceptable toxicity.
- Participants will be seen periodically while they are receiving IL-2. Physical exams and blood tests will be performed weekly for the first two weeks and then every other week until the completion of 6 course therapy.
Eligibility Ages Eligible for Study:15 Years and older Genders Eligible for Study:Both Accepts Healthy Volunteers:No Criteria
Inclusion Criteria:
- Standard risk of Recipients of allogeneic stem cell transplantation with myeloablative conditioning regimens
- Standard risk of Recipients: CR1 or CR 2 of AML/ALL before transplantation
- Ph+ ALL,AML with t(8;21) and T-ALL were excepted
- Patients were at least 60 days post-transplantation
- Bone marrow monitoring was still Complete Remission (CR) and minor residual disease (MRD) was negative
- 15 years of age or older
- No serious infection
Exclusion Criteria:
- Exposure to any other clinical trials prior to enrollment
- Active malignant disease relapse
- Active, uncontrolled infection
- Inability to comply with IL-2 treatment regimen
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Beijing
-
Beijing, Beijing, China, 100044
- Xiaosu Zhao
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Standard risk of Recipients (CR1 or CR 2 of AML/ALL before transplantation except Ph+ ALL and T-ALL) of allogeneic stem cell transplantation with myeloablative conditioning regimens
- Standard risk of Recipients: CR1 or CR 2 of AML/ALL before transplantation
- Ph+ ALL, AML with t(8;21) and T-ALL were excepted
- Patients were at least 60 days post-transplantation
- Bone marrow monitoring was still Complete Remission (CR) and minor residual disease (MRD) was negative
- 15 years of age or older
- No serious infection
Exclusion Criteria:
- Exposure to any other clinical trials prior to enrollment
- Active malignant disease relapse
- Active, uncontrolled infection
- Inability to comply with IL-2 treatment regimen
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Interleukin-2
Interleukin-2 post-transplantation to prevent relapse of standard risk leukemia
|
Patients receive low dose interleukin-2(Daily 1×106 IU per square meter of body-surface area) on days 60 after unmanipulated blood and marrow transplantation.
Interleukin-2 treatment repeats every 14 days for 6 courses in the absence of disease progression or unacceptable toxicity.
Other Names:
|
No Intervention: controlled group
controlled standard risk leukemia received regular transplantation without IL-2 intervention
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
To determine the feasibility and efficiency of administering 6 courses of subcutaneous IL-2 in these patients population.
Time Frame: 2 years
|
investigate the incidences of severe GVHD and pancytopenia after IL-2 application to evaluate the safety of this drug. observe the drug toxicity based on common toxicity criteria (CTC,version 3.0). compare the relapse rate and incidence of positive MRD between two groups to evaluate the efficiency of IL-2 application. |
2 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
To assess the immunologic impact of ultra-low dose subcutaneous IL-2 in patients after transplantation
Time Frame: 2 years
|
examine the immune reconstitution of subgroups of T cells after IL-2 application and compare with that of controlled group of patients.
|
2 years
|
Collaborators and Investigators
Investigators
- Principal Investigator: Xiaojun Huang, MD, Peking University Institute of Hematology
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- PUPH IRB [2012] (09)
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