Pre-Transplant 5-Azacitidine In Patients With High-Risk Myelodysplastic Syndrome Who Are Candidates For Allogeneic Hematopoietic Cell Transplant
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About
The purpose of this study is to find out if treating people who have high-risk myelodysplastic syndrome (MDS) with 5-Azacitidine (Vidaza) prior to their allogeneic hematopoietic cell transplant (HCT) is helpful in preventing their myelodysplastic syndrome from coming back.
In previous research, 5-Azacitidine appeared to help the bone marrow of a patient with MDS begin to function more normally. This means bone marrow cells can grow and do their work the way they were meant to. 5-Azacitidine is approved by the Food and Drug Administration (FDA) for the treatment of MDS. The effect of 5-Azacitidine in patients receiving hematopoietic cell transplants have not been studied.
Full description
RESEARCH PLAN
This will be a single-center prospective trial Patients with high risk MDS that are potentially eligible for HCT will be enrolled. A donor search will be initiated, and 5-Azacitidine will be given per standard practice. 5-Azacitidine dose is 75 mg/M^2/day subcutaneously by standard practice (generally this is 7 days per monthly cycle, but alterations occur depending on clinical and laboratory parameters). Patients where a suitable donor is not found can continue with 5-Azacitidine per standard treatment. These patients will be followed until progression of MDS to acute myelogenous leukemia (AML) or death, for up to one year. If a suitable donor is obtained, the patient will proceed to HCT. The HCT conditioning regimen will be dictated by the Blood and Marrow Transplant (BMT) physician. While waiting HCT, additional cycles 5-Azacitidine may be given. Pre-HCT conditioning regimen therapy will begin no more than 8 weeks and no less than 4 weeks after the last administration of 5-Azacitidine. As the number of cycles of 5-Azacitidine is not standardized and the retrospective review of our patients noted above indicated a benefit to ANY exposure to 5-Azacitidine, the actual number of cycles of 5-Azacitidine delivered will not be specified. In addition, as high risk MDS patients have an average time to death of 0.4 years, any delay to HCT once it is available is to be avoided. A bone marrow biopsy will be performed to reassess disease response to therapy after the last cycle of 5-Azacitidine before transplant, or after the fourth cycle of 5-Azacitidine, whichever comes first. Note that both the biopsy and the timing of the biopsy is a standard evaluation procedure. Donor progenitor cell collection will be prescribed by the BMT Attending Physician.
HCT
The patient will undergo HCT designated per attending BMT physician. Supportive care will be based on institutional guidelines, Stem cell collections, processing and laboratory studies
Stem cell collections, processing and laboratory studies
Graft assessment, processing, and characterization will be done as per institutional guidelines Chimerism testing will be obtained to document post-transplant engraftment, per standard practice.
Enrollment
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Volunteers
Inclusion criteria
- Potential candidate for HCT.
- Histologically confirmed diagnosis by pathologic review of previous diagnosis of high-risk myelodysplastic syndrome (MDS): International Prognostic Scoring System (IPSS) > 1 or AML-MDS or treatment related MDS.
- Serum bilirubin levels ≤1.5 times the upper limit of the normal (ULN) range for the laboratory. Higher levels are acceptable if these can be attributed to active hemolysis or ineffective erythropoiesis; Serum glutamic-oxaloacetic transaminase (SGOT) [aspartate aminotransferase (AST)] or serum glutamic pyruvic transaminase (SGPT) [alanine aminotransferase (ALT)] levels ≤2 x ULN.
- Serum creatinine levels ≤1.5 x ULN
- Karnofsky performance status greater or equal to 70%
- Signed informed consent form in accordance with institutional policies
Exclusion criteria
- Known or suspected hypersensitivity to Vidaza or mannitol
- Pregnant or lactating women
- Human immunodeficiency virus (HIV) or seropositive, confirmed by nucleic acid amplification testing (NAT)
- Active central nervous system (CNS) malignancy
- Active infection
- History or presence of primary hepatoma
Trial design
Primary purpose
Allocation
Interventional model
Masking
25 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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