Selective Depletion of CD45RA+ T Cells From Allogeneic Peripheral Blood Stem Cell Grafts From HLA-Matched Related and Unrelated Donors in Preventing GVHD
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ClinicalTrials.gov Identifier: NCT02220985 |
Recruitment Status :
Active, not recruiting
First Posted : August 20, 2014
Last Update Posted : December 24, 2020
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Accelerated Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive Acute Biphenotypic Leukemia Acute Leukemia of Ambiguous Lineage Acute Undifferentiated Leukemia Allogeneic Hematopoietic Stem Cell Transplant Recipient Blast Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive Blastic Plasmacytoid Dendritic Cell Neoplasm Childhood Acute Lymphoblastic Leukemia in Remission Childhood Acute Myeloid Leukemia in Remission Donor Lymphoblastic Lymphoma Myelodysplastic Syndrome With Excess Blasts Myelodysplastic Syndrome With Excess Blasts-1 Myelodysplastic Syndrome With Excess Blasts-2 Recurrent Acute Lymphoblastic Leukemia Recurrent Acute Myeloid Leukemia Recurrent Childhood Acute Lymphoblastic Leukemia Recurrent Childhood Acute Myeloid Leukemia Recurrent Chronic Myelogenous Leukemia, BCR-ABL1 Positive Refractory Acute Lymphoblastic Leukemia Refractory Acute Myeloid Leukemia Acute Lymphoblastic Leukemia in Remission Acute Myeloid Leukemia in Remission | Procedure: Allogeneic Hematopoietic Stem Cell Transplantation Drug: Cyclophosphamide Drug: Fludarabine Phosphate Other: Laboratory Biomarker Analysis Drug: Methotrexate Drug: Mycophenolate Mofetil Procedure: Peripheral Blood Stem Cell Transplantation Drug: Tacrolimus Drug: Thiotepa Radiation: Total-Body Irradiation | Phase 2 |

Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 84 participants |
Allocation: | Non-Randomized |
Intervention Model: | Parallel Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | A Phase II Study Evaluating Selective Depletion of CD45RA+ T Cells From Allogeneic Peripheral Blood Stem Cell Grafts From HLA-Matched Related and Unrelated Donors for Prevention of GVHD |
Actual Study Start Date : | February 3, 2015 |
Estimated Primary Completion Date : | April 1, 2025 |
Estimated Study Completion Date : | April 1, 2025 |

Arm | Intervention/treatment |
---|---|
Experimental: Arm A (MRD)
HIGH-INTENSITY MYELOABLATIVE CONDITIONING: Patients undergo total body irradiation BID on days -10 to -7. Patients also receive thiotepa IV over 4 hours on days -6 and -5 and fludarabine phosphate IV over 30 minutes on days -6 to -2. TRANSPLANT: In all arms, patients undergo allogeneic HSCT with GCSF-mobilized CD34-enriched PBSC and CD45RA-depleted cells on day 0. GVHD PROPHYLAXIS: Beginning day -1, patients receive tacrolimus IV over 22-24 hours or PO (BID if given PO) for 50 days with taper in the absence of GVHD. Patients also receive methotrexate IV on days 1, 3, 6, and 11. |
Procedure: Allogeneic Hematopoietic Stem Cell Transplantation
Undergo allogeneic HSCT
Other Names:
Drug: Cyclophosphamide Given IV
Other Names:
Drug: Fludarabine Phosphate Given IV
Other Names:
Other: Laboratory Biomarker Analysis Correlative studies Drug: Methotrexate Given IV
Other Names:
Procedure: Peripheral Blood Stem Cell Transplantation Undergo PBSCT with GCSF-mobilized CD34-enriched PBSC
Other Names:
Procedure: Peripheral Blood Stem Cell Transplantation Undergo PBSCT with CD45RA-depleted cells
Other Names:
Drug: Tacrolimus Given IV or PO
Other Names:
Drug: Thiotepa Given IV
Other Names:
Radiation: Total-Body Irradiation Undergo TBI
Other Names:
|
Experimental: Arm B (MRD)
LOWER-INTENSITY MYELOABLATIVE CONDITIONING: Patients receive cyclophosphamide IV over 1 hour on day -6, fludarabine phosphate IV over 30 minutes on days -6 to -2, and thiotepa IV over 4 hours on days -5 and -4. Patients also undergo total body irradiation QD on days -2 and -1. TRANSPLANT: In all arms, patients undergo allogeneic HSCT with GCSF-mobilized CD34-enriched PBSC and CD45RA-depleted cells on day 0. GVHD PROPHYLAXIS: Beginning day -1, patients receive tacrolimus IV over 22-24 hours or PO (BID if given PO) for 50 days and mycophenolate mofetil IV and PO every 8 hours on day -3 to approximately day 30, with or without taper at the discretion of the treating physician. Mycophenolate mofetil should be continued or resumed after day 30 if donor chimerism is low, after discussion with the Principal Investigator. |
Procedure: Allogeneic Hematopoietic Stem Cell Transplantation
Undergo allogeneic HSCT
Other Names:
Drug: Cyclophosphamide Given IV
Other Names:
Drug: Fludarabine Phosphate Given IV
Other Names:
Other: Laboratory Biomarker Analysis Correlative studies Drug: Mycophenolate Mofetil Given IV and PO
Other Names:
Procedure: Peripheral Blood Stem Cell Transplantation Undergo PBSCT with GCSF-mobilized CD34-enriched PBSC
Other Names:
Procedure: Peripheral Blood Stem Cell Transplantation Undergo PBSCT with CD45RA-depleted cells
Other Names:
Drug: Tacrolimus Given IV or PO
Other Names:
Drug: Thiotepa Given IV
Other Names:
Radiation: Total-Body Irradiation Undergo TBI
Other Names:
|
Experimental: Arm C (MUD)
HIGH-INTENSITY MYELOABLATIVE CONDITIONING: Patients undergo total body irradiation BID on days -10 to -7. Patients also receive thiotepa IV over 4 hours on days -6 and -5 and fludarabine phosphate IV over 30 minutes on days -6 to -2. TRANSPLANT: In all arms, patients undergo allogeneic HSCT with G-CSF-mobilized CD34-enriched PBSC and CD45RA-depleted cells on day 0. GVHD PROPHYLAXIS: Beginning day -1, patients receive tacrolimus IV over 22-24 hours or PO (BID if given PO) for 50 days with taper in the absence of GVHD. Patients also receive methotrexate IV on days 1, 3, 6, and 11. |
Procedure: Allogeneic Hematopoietic Stem Cell Transplantation
Undergo allogeneic HSCT
Other Names:
Drug: Cyclophosphamide Given IV
Other Names:
Drug: Fludarabine Phosphate Given IV
Other Names:
Other: Laboratory Biomarker Analysis Correlative studies Drug: Methotrexate Given IV
Other Names:
Procedure: Peripheral Blood Stem Cell Transplantation Undergo PBSCT with GCSF-mobilized CD34-enriched PBSC
Other Names:
Procedure: Peripheral Blood Stem Cell Transplantation Undergo PBSCT with CD45RA-depleted cells
Other Names:
Drug: Tacrolimus Given IV or PO
Other Names:
Drug: Thiotepa Given IV
Other Names:
Radiation: Total-Body Irradiation Undergo TBI
Other Names:
|
Experimental: Arm D (MUD)
LOWER-INTENSITY MYELOABLATIVE CONDITIONING: Patients receive cyclophosphamide IV over 1 hour on day -6, fludarabine phosphate IV over 30 minutes on days -6 to -2, and thiotepa IV over 4 hours on days -5 and -4. Patients also undergo total body irradiation QD on days -2 and -1. TRANSPLANT: In all arms, patients undergo allogeneic HSCT with G-CSF-mobilized CD34-enriched PBSC and CD45RA-depleted cells on day 0. GVHD PROPHYLAXIS: Beginning day -1, patients receive tacrolimus IV over 22-24 hours or PO (BID if given PO) for 50 days and mycophenolate mofetil IV and PO every 8 hours on day -3 to approximately day 30, with or without taper at the discretion of the treating physician. Mycophenolate mofetil should be continued or resumed after day 30 if donor chimerism is low, after discussion with the Principal Investigator. |
Procedure: Allogeneic Hematopoietic Stem Cell Transplantation
Undergo allogeneic HSCT
Other Names:
Drug: Cyclophosphamide Given IV
Other Names:
Drug: Fludarabine Phosphate Given IV
Other Names:
Other: Laboratory Biomarker Analysis Correlative studies Drug: Mycophenolate Mofetil Given IV and PO
Other Names:
Procedure: Peripheral Blood Stem Cell Transplantation Undergo PBSCT with GCSF-mobilized CD34-enriched PBSC
Other Names:
Procedure: Peripheral Blood Stem Cell Transplantation Undergo PBSCT with CD45RA-depleted cells
Other Names:
Drug: Tacrolimus Given IV or PO
Other Names:
Drug: Thiotepa Given IV
Other Names:
|
- Occurrence of chronic graft-versus-host disease (GHVD), defined operationally as the occurrence of compatible symptoms meeting National Institutes of Health criteria and requiring systemic pharmacological immunosuppression [ Time Frame: Up to 5 years ]Match related donor (MRD)-high intensity (Arm A), MRD-lower intensity (Arm B), match unrelated donor (MUD)-high intensity (Arm C) and MUD-lower intensity (Arm D) cohorts will be analyzed separately.
- Use of additional immune suppressive agents other than first line therapy (prednisone and tacrolimus/cyclosporine) [ Time Frame: Up to 5 years ]
- Time to completion of prednisone [ Time Frame: Up to 5 years ]
- Time to completion of all immunosuppression [ Time Frame: Up to 5 years ]
- Requirement of immunosuppression after transplant [ Time Frame: At 2 years after transplant ]
- Presence of acute graft-versus-host disease (GVHD) grades II-IV [ Time Frame: Up to day 100 ]Defined operationally as the occurrence of compatible symptoms or signs in the skin, gastrointestinal tract, or liver.
- Requirement for secondary systemic therapy for acute graft-versus-host disease (GVHD) management [ Time Frame: Up to day 100 ]
- Graft failure [ Time Frame: Up to day 28 ]Defined operationally as failure to reach an absolute neutrophil count (ANC) of > 500/ul for 3 consecutive days by day 28 or irreversible decrease in ANC to < 100 after an established donor graft.
- Time to absolute neutrophil count (ANC) of > 500/uL on the first of three consecutive days [ Time Frame: Up to 5 years ]
- Time to absolute neutrophil count (ANC) of > 1,000/uL on the first of three consecutive test results [ Time Frame: Up to 5 years ]
- Time to platelet count > 20,000/uL for 3 days without transfusion [ Time Frame: Up to 5 years ]
- Time to platelet count > 50,000/uL for 3 days without transfusion [ Time Frame: Up to 5 years ]
- Chimerism analysis [ Time Frame: Up to 360 days ]Will be analyzed from peripheral blood or marrow.
- Relapse [ Time Frame: Up to 5 years ]Defined by the presence of malignant cells in marrow, peripheral blood, or extramedullary sites by histopathology.
- Transplant related mortality [ Time Frame: Up to 5 years ]Defined as mortality in any patient for whom there has not been a diagnosis of relapse.

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Ages Eligible for Study: | up to 60 Years (Child, Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
-
Patients who are considered appropriate candidates for allogeneic hematopoietic stem cell transplantation and have one of the following diagnoses:
- Acute lymphocytic leukemia in first or subsequent remission
- Acute myeloid leukemia in first or subsequent remission
- Acute lymphocytic leukemia in relapse or primary refractory disease with a circulating blast count of no more than 10,000/mm^3 (Arms A or C only)
- Acute myeloid leukemia in relapse or primary refractory disease with a circulating blast count of no more than 10,000/mm^3 (Arms A or C only)
- Refractory anemia with excess blasts (RAEB-1 and RAEB-2) (if the patient has received previous induction chemotherapy within 60 days)
- Chronic myelogenous leukemia with a history of accelerated phase or blast crisis (if the patient has received at least one course of induction chemotherapy)
- Other acute leukemia or related neoplasm (including but not limited to 'biphenotypic', 'undifferentiated' or 'ambiguous lineage' acute leukemia, blastic plasmacytoid dendritic cell neoplasm or lymphoblastic lymphoma)
- Patients 0-49 years old will be enrolled in Arm A or C (high-intensity)
- Patients 50-60 years old will be enrolled in Arm B or D (lower intensity); patients eligible for Arms B or D also include those who have received previous allogeneic HCT, or who have co-morbid conditions rendering them unsuitable for high-dose conditioning, determined in consultation with the principal investigator
- Patient with a HLA-matched (HLA-A, B, C, and DR beta 1 [DRB1] molecularly matched) unrelated donor or related donor capable of donating PBSC
- DONOR INCLUSION:
- HLA-matched related donors >= 18 years and capable and willing to donate PBSC (Arms A and B)
- HLA-matched unrelated donors (HLA-A, B, C, and DRB1 matched based on high-resolution typing) capable and willing to donate PBSC (Arms C and D)
Exclusion Criteria:
- Patients with central nervous system (CNS) involvement refractory to intrathecal chemotherapy and/or standard cranial-spinal radiation
- Patients on other experimental protocols for prevention of acute GVHD
- Patient weight >= 100 kg; patients >= 70 kg with MUDs must be discussed with the principal investigator
- Patients who are human immunodeficiency virus positive (HIV+)
- Patients with uncontrolled infections for whom myeloablative HCT is considered contraindicated by the consulting infectious disease physician (upper respiratory tract viral infection does not constitute an uncontrolled infection in this context)
- Patients with organ dysfunction
- ARM A OR C EXCLUSION:
- Creatinine > 1.5 mg/dl at the present time; patients with a known history of creatinine > 1.5 mg/dl must have a current estimated creatinine clearance of > 40 ml/min
- Cardiac ejection fraction < 45%
- Diffusing capacity of the lung for carbon monoxide (DLCO) corrected < 60%; patients who are unable to perform pulmonary function tests (for example, due to young age and/or developmental status) will be excluded if the oxygen (O2) saturation is < 92% on room air
- Liver function abnormality; patients who have liver function tests (LFTs) (including total bilirubin, aspartate aminotransferase [AST] and alanine aminotransferase [ALT]) >= twice the upper limit of normal should be evaluated by a gastrointestinal (GI) physician; unless there is a clear precipitating factor (such as an azole, methotrexate, Bactrim or another drug); if the GI physician considers that HCT on the high-intensity arms of protocol is contraindicated for that patient the patient may be considered for treatment on the lower intensity arm of the protocol or excluded from the protocol; patients with Gilbert's syndrome and no other known liver function abnormality and patients with reversible drug-related transaminitis do not necessarily require GI consultation and may be included on the high-intensity arms of the protocol
- ARM B OR D EXCLUSION:
- Creatinine > 2.0 mg/dl at the present time; patients with a known history of creatinine > 1.5 mg/dl must have a current estimated creatinine clearance > 40 ml/min
- Cardiac ejection fraction < 35%
- DLCO corrected < 50%; patients who are unable to perform pulmonary function tests (for example, due to young age and/or developmental status) will be excluded if the O2 saturation is < 92% on room air; patients with a DLCO 50-60% must also have a partial pressure of oxygen (pO2) of > 80 mmHg
- Liver function abnormality; patients who have LFTs >= twice the upper limit of normal should be evaluated by a GI physician unless there is a clear precipitating factor (such as an azole, methotrexate, Bactrim or another drug); patients with fulminant liver failure, cirrhosis with evidence of portal hypertension or bridging fibrosis, alcoholic hepatitis, esophageal varices, a history of bleeding esophageal varices, hepatic encephalopathy, or correctable hepatic synthetic dysfunction evidenced by prolongation of the prothrombin time, ascites related to portal hypertension, bacterial or fungal abscess, biliary obstruction, chronic viral hepatitis with total serum bilirubin > 3 mg/dL, and symptomatic biliary disease will be excluded
- Patients will be excluded from Arms A and C if they have received a previous myeloablative transplant; patients who have received a prior HCT at least 6 months prior may be considered for inclusion on Arms B or D after discussion with the principal investigator (PI)
- Patients with a life expectancy < 3 months from co-existing disease other than the leukemia or RAEB
- Patients who are pregnant or breast-feeding
- Fertile patients of child bearing age unwilling to use contraception during and for 12 months post-transplant
- Patients with a significant other medical conditions that would make them unsuitable for transplant
- Patients with a known hypersensitivity to tacrolimus, methotrexate (Arm A or C) or MMF (Arm B or D)
- DONOR EXCLUSION:
- Donors who are HIV-1, HIV-2, human T-lymphotropic virus (HTLV)-1, HTLV-2 seropositive or with active hepatitis B or hepatitis C virus infection
- Donors who fail eligibility requirements for donation of cells or tissue for donation of a Human Cell and Tissue Products (HCT/P) will be excluded unless use of the cells complies urgent medical need or allogeneic use in a first-degree or second-degree relative
- Unrelated donors donating outside of the United States of America (USA)

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02220985
United States, Pennsylvania | |
University of Pittsburgh Cancer Institute (UPCI) | |
Pittsburgh, Pennsylvania, United States, 15232 | |
United States, Washington | |
Fred Hutch/University of Washington Cancer Consortium | |
Seattle, Washington, United States, 98109 |
Principal Investigator: | Marie Bleakley | Fred Hutch/University of Washington Cancer Consortium |
Responsible Party: | Fred Hutchinson Cancer Research Center |
ClinicalTrials.gov Identifier: | NCT02220985 |
Other Study ID Numbers: |
2684.00 NCI-2014-01301 ( Registry Identifier: CTRP (Clinical Trial Reporting Program) ) 2684.00 ( Other Identifier: Fred Hutch/University of Washington Cancer Consortium ) K23CA154532 ( U.S. NIH Grant/Contract ) P30CA015704 ( U.S. NIH Grant/Contract ) R01HL121568 ( U.S. NIH Grant/Contract ) RG9214012 ( Other Identifier: Fred Hutch/University of Washington Cancer Consortium ) |
First Posted: | August 20, 2014 Key Record Dates |
Last Update Posted: | December 24, 2020 |
Last Verified: | December 2020 |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Leukemia Leukemia, Myeloid Leukemia, Myeloid, Acute Preleukemia Precursor Cell Lymphoblastic Leukemia-Lymphoma Leukemia, Lymphoid Leukemia, Myelogenous, Chronic, BCR-ABL Positive Leukemia, Myeloid, Accelerated Phase Blast Crisis Leukemia, Biphenotypic, Acute Myelodysplastic Syndromes Anemia, Refractory, with Excess of Blasts Syndrome Disease Pathologic Processes |
Neoplasms by Histologic Type Neoplasms Bone Marrow Diseases Hematologic Diseases Precancerous Conditions Lymphoproliferative Disorders Lymphatic Diseases Immunoproliferative Disorders Immune System Diseases Myeloproliferative Disorders Cell Transformation, Neoplastic Carcinogenesis Neoplastic Processes Anemia, Refractory Anemia |