- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00813124
Azacitidine After Allo Blood And Marrow Transplantation (BMT) for Chronic Myelogenous Leukemia (CML)
Azacitidine Maintenance Therapy After Allogeneic Stem Cell Transplantation for Chronic Myelogenous Leukemia (CML)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Drug:
Azacitidine is designed to block genes in cancer cells that stop the function of the tumor-fighting genes. By blocking the "bad" genes, the tumor-fighting genes may be able to work better.
Study Drug Administration and Procedures before the Stem Cell Transplant:
If you are found to be eligible to take part in this study, you will be given chemotherapy before the transplant of donor cells. The chemotherapy is designed to kill leukemia cells and will also block your body's ability to reject the donor cells that will be given to you during the transplant. You will receive the chemotherapy on the days before the transplant. You will receive the transplant on Day 0.
This low-level test dose of busulfan is to check how fast busulfan is processed by your body and cleared from your blood. This information will help the doctor decide the dose of busulfan you will receive. You may receive the busulfan test dose as an outpatient during the week before you are admitted to the hospital or as an inpatient on Day -8 (8 days before your stem cell transplant).
About 11 samples of blood (about 1 teaspoon each time) will be drawn for pharmacokinetic (PK) testing. PK testing measures the amount of study drug in the body at different time points. These blood samples will be drawn at various times before you receive busulfan and over the next 11 hours. These blood draws will be repeated again on the first day of high-dose busulfan treatment (Day -5).
A heparin lock line (small IV line) will be placed in your vein to lower the number of needle sticks needed for these draws. If it is not possible for the PK tests to be performed for technical or scheduling reasons, you will receive the standard fixed dose of busulfan.
On Days -5 through -2, you will receive fludarabine by vein over 1 hour, then busulfan by vein over 3 hours.
If you are going to be receiving a transplant from an unrelated donor, or if you have a donor that is mismatched, you will also receive antithymocyte globulin (ATG) by vein over 4 hours on the 3 days before the transplant. This drug is designed to further weaken your immune system to reduce the risk of rejecting of the transplant.
Stem Cell Transplant:
After the blood-forming cells are collected from the donor, they will be given to you by vein. You will be given standard drugs to help decrease the risk of side effects. You may ask the study staff for information about how the drugs are given and their risks.
Drugs to Prevent Infections:
You will receive several drugs to help the stem cell transplant work and to help decrease the risks of infections while your immune system is weak. Tacrolimus and methotrexate will be given to decrease the risk of graft-versus-host disease (GVHD), a problem that may occur if the donor's immune cells fight your body.
- Tacrolimus will be started 2 days before the transplant and will continue for as long as your doctor thinks is necessary. This is usually 3-12 months, but may be longer if you develop GVHD. Tacrolimus is given by vein non-stop until you are able to eat. Once you can eat, it will be given by mouth.
- Methotrexate is given by vein over about 15-30 minutes on Days 1, 3, 6, and 11.
Several drugs will also be given to decrease the risk of other infections. Some of these antibiotics are given by vein, and some are given as pills. The length of time that you will take the antibiotics will vary. Your doctor will describe this to you in more detail.
Study Drug Administration after the Stem Cell Transplant:
You will receive azacitidine as an injection under the skin once a day over 5 days in a row, starting about 5 weeks after the transplant. This may be repeated once a month for up to 4 months after the transplant. You will have about 23 days of "rest" between each cycle of treatment (a cycle is the period of 28 days). If intolerable side effects occur, treatment with azacitidine may be interrupted or stopped altogether.
Study Visits:
You will be in the hospital for about 3-4 weeks after the transplant. You will have check-ups every day until you leave the hospital. After you leave, the number of study visits will vary, depending on your condition.
You will have bone marrow aspirations collected before chemotherapy, around 1, 6, and 12 months after the transplant. To collect a bone marrow aspirate, an area of the hip bone is numbed with anesthetic, and a small amount of bone marrow is withdrawn through a large needle. The bone marrow samples will be used to check the status of the disease and to learn the way azacitidine works.
Blood (about 2 teaspoons each time) will be drawn to learn about patterns of a process called methylation. Methylation is a process by which the body may turn "on and off" certain genes. Blood will be drawn at the following times:
- At baseline.
- Before the stem cell transplant (Day 0).
- Six (6), 9, and 12 months after the transplant.
- Before you receive your first dose of azacitidine (Day 1 of each cycle).
- After you receive the last dose of azacitidine (Day 5 of each cycle).
Blood (about 8 teaspoons each time) will be drawn to learn about the body's immune system recovery, at the following times:
- Cycle 1- Day 1
- Cycle 1 - Day 14
- Cycle 3 - Day 1
Length of Study:
You will remain on study for up to 1 year. You may be taken off study early if the disease gets worse or intolerable side effects occur.
This is an investigational study. Azacitidine is FDA approved and commercially available in patients with myelodysplastic syndrome. Its use in patients with CML is investigational. All other drugs used in this study are FDA approved and commercially available.
Up to 57 patients will take part in this study. All will be enrolled at MD Anderson.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
Texas
-
Houston, Texas, United States, 77030
- University of Texas MD Anderson Cancer Center
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients with age <= 75 years with CML in first chronic phase, which has failed to achieve a cytogenetic or molecular complete remission or has progressed after imatinib treatment. Criteria for failure are the international consensus criteria (Appendix H). Patients intolerant to tyrosine kinase inhibitor therapy are also eligible.
- Patients with age <= 75 with CML in accelerated phase or blast crisis that have <= 15% blasts in the blood and bone marrow at study entry.
- Donor: HLA-compatible related (HLA-A, -B, -DRB1 matched or with one-antigen mismatch) or HLA-compatible unrelated (HLA-A, -B, -C and -DRB1 matched or with one-antigen mismatch).
- Age 18 to 75 years.
- Zubrod performance status <= 2.
- Left ventricular ejection fraction => 40%.
- Pulmonary function test within the following parameters: forced expiratory volume at one second (FEV1), forced vital capacity (FVC) and diffusing capacity of lung for carbon monoxide (DLCO) => 50% of expected, corrected for hemoglobin.
- Serum creatinine < 1.5 mg/dL or creatinine clearance greater or equal than 40 cc/min.
- Serum direct bilirubin < 1.5 mg/dL (unless Gilbert's syndrome)
- Serum glutamate pyruvate transaminase (SGPT) <= 200 IU/L unless related to patient's malignancy.
- Patients treated with any tyrosine kinase inhibitor, interferon or any experimental therapy are eligible.
- Patients with age <75 years with CML in second or subsequent chronic phase.
Exclusion Criteria:
- Uncontrolled infection, not responding to appropriate antimicrobial agents after seven days of therapy.
- Pleural/pericardial effusion or ascites estimated to be >1L.
- HIV-positive.
- Breast feeding or pregnancy. Pregnancy means a positive beta human chorionic gonadotropin (HCG) test in a woman with child bearing potential defined as not post-menopausal for 12 months or no previous surgical sterilization.
- Known or suspected hypersensitivity to azacitidine or mannitol.
- Patients with advanced malignant hepatic tumors.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Azacytidine Maintenance after allotx
Busulfan + Fludarabine + ATG + Azacytidine after allogeneic stem cell transplantation (allotx)
|
40 mg/m^2 by vein over 60 minutes on Day -5 through Day -2.
Other Names:
Busulfan administered at the dose calculated to achieve an area under curve (AUC) of 4000 µMol-min + 12% based on the pharmacokinetic studies (days -5, -4, -3, and -2).
Other Names:
2.5 mg/kg by vein over about 4-6 hours on Day -3 through Day -1.
Other Names:
Start cycles of 32 mg/m^2 daily as an injection under the skin once a day over 5 days in a row, starting about 5 weeks after the transplant.
This may be repeated once a month for up to 4 months after the transplant.
Other Names:
Stem cell infusion on day 0 administered by vein after collected from donor.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Participants With Molecular Response
Time Frame: 12 month post BMT
|
Molecular Remission defined as two consecutive bone marrow samples done one month apart with negative PCR( polymerase chain reaction) tor CML.
|
12 month post BMT
|
Collaborators and Investigators
Sponsor
Publications and helpful links
Helpful Links
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 (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
- Methotrexate
- Tacrolimus
- Azacitidine
- CML
- GVHD
- Stem cell transplant
- Fludarabine
- Fludarabine Phosphate
- Busulfan
- Busulfex
- Chronic Myelogenous Leukemia
- Chimerism
- ATG
- Vidaza
- 5-AZC
- Ladakamycin
- NSC-102816
- Engraftment
- Allogeneic stem cell transplantation
- Myleran
- Antithymocyte globulin
- 5-Azacitidine
- Graft vs host disease
- 5-Aza
- Donor stem cell transplant
- allotx
- Azacitidine maintenance therapy
- molecular remission
- HLA compatible donor
Additional Relevant MeSH Terms
- Neoplasms by Histologic Type
- Neoplasms
- Bone Marrow Diseases
- Hematologic Diseases
- Myeloproliferative Disorders
- Leukemia
- Leukemia, Myeloid
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Enzyme Inhibitors
- Antimetabolites, Antineoplastic
- Antimetabolites
- Antineoplastic Agents
- Immunosuppressive Agents
- Immunologic Factors
- Antineoplastic Agents, Alkylating
- Alkylating Agents
- Myeloablative Agonists
- Azacitidine
- Fludarabine
- Fludarabine phosphate
- Busulfan
- Thymoglobulin
- Antilymphocyte Serum
Other Study ID Numbers
- 2008-0087
- NCI-2012-02122 (Registry Identifier: NCI CTRP)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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