HLA-Nonidentical Stem Cell and Natural Killer Cell Transplantation for Children Less the Two Years of Age With Hematologic Malignancies
| Status: | Active, not recruiting |
|---|---|
| Conditions: | Blood Cancer, Infectious Disease, Hematology |
| Therapuetic Areas: | Hematology, Immunology / Infectious Diseases, Oncology |
| Healthy: | No |
| Age Range: | Any |
| Updated: | 4/21/2016 |
| Start Date: | May 2004 |
| End Date: | June 2016 |
Recent studies of conventional chemotherapy for infants with high-risk hematologic
malignancies show that the long-term disease-free survival is low. Although blood and marrow
stem cell transplantation using an HLA identical sibling has improved the outcome for these
children, less than 25% have this donor source available. Another option is haploidentical
transplantation using a partially matched family member donor (i.e. parental donor).
Although haploidentical transplantation has proven curative for some patients, this
procedure has been hindered by significant complications, primarily regimen-related toxicity
including infection and graft versus host disease (GVHD). Building on prior institutional
trials, this study will provide patients a haploidentical graft depleted of T lymphocytes
using the investigational device, CliniMACS selection system. One week after the transplant
procedure, patients will also receive an infusion of additional donor derived white blood
cells called Natural Killer (NK) cells in an effort to decrease risks for rejection of the
graft, disease relapse, and regimen related toxicity. The primary objective of the study is
to evaluate 1 year survival in infants with high risk hematologic malignancies who receive
this study treatment.
malignancies show that the long-term disease-free survival is low. Although blood and marrow
stem cell transplantation using an HLA identical sibling has improved the outcome for these
children, less than 25% have this donor source available. Another option is haploidentical
transplantation using a partially matched family member donor (i.e. parental donor).
Although haploidentical transplantation has proven curative for some patients, this
procedure has been hindered by significant complications, primarily regimen-related toxicity
including infection and graft versus host disease (GVHD). Building on prior institutional
trials, this study will provide patients a haploidentical graft depleted of T lymphocytes
using the investigational device, CliniMACS selection system. One week after the transplant
procedure, patients will also receive an infusion of additional donor derived white blood
cells called Natural Killer (NK) cells in an effort to decrease risks for rejection of the
graft, disease relapse, and regimen related toxicity. The primary objective of the study is
to evaluate 1 year survival in infants with high risk hematologic malignancies who receive
this study treatment.
Secondary objectives for this study include the following:
- To estimate the incidence of three transplant-related adverse outcomes (i.e.,
regimen-related mortality, engraftment failure, and fatal acute GVHD) in the first 100
days after transplantation.
- To estimate the incidence of chronic graft-versus-host disease.
- To evaluate those factors that affect one-year survival.
- To assess the kinetics of lymphohematopoietic reconstitution.
- To assess the frequency and clinical relevance of minimal residual disease (MRD) before
and after transplantation.
- To evaluate the incidence of and risk factors for long-term neurocognitive deficit and
organ dysfunction.
- To estimate the incidence of three transplant-related adverse outcomes (i.e.,
regimen-related mortality, engraftment failure, and fatal acute GVHD) in the first 100
days after transplantation.
- To estimate the incidence of chronic graft-versus-host disease.
- To evaluate those factors that affect one-year survival.
- To assess the kinetics of lymphohematopoietic reconstitution.
- To assess the frequency and clinical relevance of minimal residual disease (MRD) before
and after transplantation.
- To evaluate the incidence of and risk factors for long-term neurocognitive deficit and
organ dysfunction.
Inclusion Criteria:
Must have one of the following diagnosis:
- AML in remission or relapse (e.g., FAB M7 or biphenotypic leukemia)
- High-risk ALL in first remission (e.g., poor responder to prednisone, Ph+ ALL)
- ALL beyond first remission
- Secondary leukemia
- Primary myelodysplasia (including RAEB, RAEB-T, CMML, JCML, and JMML)
- Chronic myeloid leukemia
- Histiocytoses (including multi-system Langerhans' cell histiocytosis and
hemophagocytic lymphohistiocytosis
Inclusion criteria Donor research participants
- HIV negative (date).
- Hepatitis B surface antigen negative (date).
- Hepatitis C antibody negative (date).
- Syphilis negative (date).
- Donor is equal to or greater than 3 on 6 HLA match (date).
- Not pregnant (negative pregnancy test).
- Not lactating.
- At least 18 years of age.
Exclusion Criteria
- Patients greater than 24 months of age at the time of transplant.
- HLA-identical sibling donor is available.
- Cardiac function: shortening fraction <25%.
- Pulse oximetry oxygen saturation <92% on room air.
- Glomerular filtration rate less than 40 ml/min/1.73 m2 (may use Technetium-99 result
for GFR).
- Direct bilirubin > 3 mg/dl.
- SGPT > 500 U/L.
- Patients with previous allergy to mouse proteins.
- Patients with previous allergy to rabbit serum products.
- Patients with Down's syndrome
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