NCT00597714 · REGISTRY CONDITION SEARCH

Efficacy Study of T Cell Depleted Allogeneic Non-myeloablative Stem Cell Transplant

Found through the registry condition index, not selected as a treatment recommendation. This discovery collection was restricted to studies with posted results.

Phase: PHASE2
Status at capture: COMPLETED
Registry last update: 2014-06-02

The central hypothesis of this study is that use of a less toxic chemotherapy preparative regimen for allogeneic hematopoietic stem cell transplantation in combination with T cell depletion with alemtuzumab for patients with high risk hematologic malignancies will allow effective control of disease and improved disease free and overall survival compared with historical expectations. Specifically, the objectives are to estimate toxicity, disease free, progression free, event free, and overall survival rates in patients treated with alemtuzumab T cell depleted, reduced intensity preparative regimen followed by allogeneic hematopoietic transplantation; evaluate immune recovery following this reduced intensity allogeneic immunotherapy; develop an in vitro assay to allow patient individualized targeted dosing.

Open the original ClinicalTrials.gov record → · Download preserved record

What did the study report?

Outcomes, safety and baseline populations are separate source sections. Quality-of-life measures appear under their original outcome titles.

flow

Participant flow

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baseline

Baseline characteristics

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outcome · POSTED

Disease Free Survival

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outcome · POSTED

Immune Recovery

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outcome · POSTED

Progression Free Survival

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outcome · POSTED

Overall Survival

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outcome · POSTED

Graft Versus Host Disease

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outcome · POSTED

Graft Failure

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adverse events

Adverse events

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more info

Limitations, agreements, and source contact

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Who could take part

eligibility Criteria: Recipient Inclusion Criteria: * Subjects must have their diagnosis confirmed at the transplant center. * Performance status must be Cancer and Leukemia Group B (CALGB) = 0, 1, or 2. * Subjects must have a 3-6/6 human leukocyte antigen (HLA)-matched related donor or 8/8 or better allele level match matched unrelated donor (MUD) (at A,B, C, DRB1, DQ). * HIV negative. * Women of child bearing potential must have a negative pregnancy test within 1 week of starting therapy. * Subjects \> or equal to 18 years of age are eligible. * Subjects must have a Multi Gated Acquisition Scan (MUGA) and/or Echocardiography (ECHO) or cardiac magnetic resonance (MR) and or diffusing capacity testing of the lung for carbon monoxide (DLCO) performed before transplant. * Specific populations: * Group A) Subjects with a high chance of progressive lymphoid or myelomatous diseases. * Group B) Subjects with a high chance of progressive myeloid diseases, marrow failure syndromes or myeloproliferative disorders Recipient Exclusion Criteria: * Pregnant or lactating women. * Subjects with other major medical or psychiatric illnesses which the treating physician feels could seriously compromise tolerance to this protocol. * Subjects with uncontrolled, progressive infections. * Subjects who are good candidates for long term disease control with standard chemotherapy or radiation or high dose therapy and autologous support. * Subjects with active central nervous system (CNS) disease. Donor Inclusion Criteria: 1. Donor must be capable of providing informed consent. If 14-17 years of age, a 'single patient exemption' from the local Institutional Review Board must be obtained. 2. Donor must not have any medical condition which would make mobilization or apheresis more than a minimal risk, and should have the following: 1. Adequate cardiac function by history and physical examination. Those with a history of cardiac failure or infarction should be evaluated by a cardiologist prior to donation 2. Adequate hematopoietic function with hematocrit ≥ 30%, white blood cell count of 3000, and platelets 100,000. 3. Females should not be pregnant or lactating and have a negative serum pregnancy test within 1 week of beginning mobilization if of child bearing potential.
healthy Volunteers: false
minimum Age: 18 Years
sex: ALL
std Ages: ADULT
OLDER_ADULT

Treatment arms and interventions

arm Groups

description
Group A: Patients with a high chance of progressive lymphoid or myelomatous disease undergo Non-myeloablative Stem Cell Transplantation.
intervention Names
Drug: Non-myeloablative Stem Cell Transplantation
label
Cohort A - Lymphoid Disease
type
EXPERIMENTAL
description
Group B: Patients with a high chance of progressive myeloid diseases, marrow failure syndromes or myeloproliferative disorders undergo Non-myeloablative Stem Cell Transplantation.
intervention Names
Drug: Non-myeloablative Stem Cell Transplantation
label
Cohort B - Myeloid Disease
type
EXPERIMENTAL
description
Donor priming and apheresis will include filgrastim 8 mcg/kg subcutaneously twice daily for 4 days prior to stem cell collection and continuing until pheresis is completed. Alternative mobilization strategies may be employed at the investigator's discretion.
label
Donor
type
NO_INTERVENTION

interventions

arm Group Labels
Cohort A - Lymphoid Disease
Cohort B - Myeloid Disease
description
The preparative regimen is 4 days of daily fludarabine at 40 mg/m2/d infused over 30 minutes; melphalan 140 mg/m2/d for 1 day administered over 15 minutes; 4 days of Alemtuzumab at 20 mg/d in 250 ml of normal saline infused over 3 hours. Group B's prep regimen will begin on day -5 or day -4 and busulfan 130mg/m2/d for 2 days over 3 hours. The peripheral blood stem cells (PBSCs) will be infused over 2-4 days. Patient evaluations will occur 2 times per week by physical exam for toxicity through day 45.
name
Non-myeloablative Stem Cell Transplantation
other Names
Allogeneic Stem Cell Transplant
type
DRUG

Study design

allocation

NON_RANDOMIZED

intervention Model

PARALLEL

masking Info

masking: NONE

primary Purpose

TREATMENT

Enrollment

count: 264
type: ACTUAL

Registered outcome plans (not posted results)

other Outcomes

description
Estimate toxicity including graft-versus-host disease (GVHD) in participants treated with an alemtuzumab T cell depleted, reduced intensity preparative regimen followed by allogeneic hematopoietic transplantation. Bone marrow aspiration and/or biopsy were performed 3-5 weeks after transplant to assess donor-cell engraftment. Acute or chronic GVHD was diagnosed and graded according to standard criteria. Toxicity was formally graded using the National Cancer Institute Common Toxicity Criteria version 3.0.
measure
Graft Versus Host Disease
time Frame
180 days

primary Outcomes

description
Estimate disease free survival rates in participants treated with an alemtuzumab T cell depleted, reduced intensity preparative regimen followed by allogeneic hematopoietic transplantation. Disease-free survival (DFS), progression-free survival (PFS), and overall survival (OS) rates after SCT were estimated using the Kaplan-Meier method. We performed univariate comparisons by using the log-rank test. DFS was defined as the period of time between the day of transplantation and either disease relapse or death due to the disease. The following variables were considered as confounders: recipient age, recipient sex, disease (myeloid or lymphoid), disease risk (standard or high), and donor type (MRD, MUD, or HAPLO donor). The percentage of participants who were disease free at 2 years is reported by donor type.
measure
Disease Free Survival
time Frame
2 years

secondary Outcomes

description
Evaluate immune recovery following this reduced intensity allogeneic immunotherapy. Quantification of CD3+, CD4+, and CD8+ T cells was performed by flow cytometry on fresh peripheral blood at approximately 1 month before transplantation and then 1.5, 3, 6, and 12 months after transplantation. The immune recovery rates of the CD3+, CD4+, and CD8+ T cells in the MRD, MUD, and HAPLO groups were compared by performing an analysis of variance at each time point after transplantation. The median T cell counts at 12 months for each type of cell are reported by donor type.
measure
Immune Recovery
time Frame
1 year
description
Progression-free survival (PFS) rates after stem cell transplant were estimated using the Kaplan-Meier method. We performed univariate comparisons by using the log-rank test. PFS was defined as the period of time between the day of transplantation and either the day underlying disease progression was documented or death occurred by any cause. The following variables were considered as confounders: recipient age, recipient sex, disease (myeloid or lymphoid), disease risk (standard or high), and donor type (MRD, MUD, or HAPLO donor). The percentage of participants progression free at 2 years is reported by donor type. Progression = \> 25% increase of serum M-protein and/or urine M-protein. Also, an absolute increase in bone marrow plasma cells \> 10%, new bone lesions or soft tissue plasmacytomas or increase in the size of existing bone lesions or soft tissue plasmacytomas or development of hypercalcemia that can be attributed solely to the plasma cell proliferative disorder.
measure
Progression Free Survival
time Frame
2 years
description
Estimate overall survival rates in participants treated with an alemtuzumab T cell depleted, reduced intensity preparative regimen followed by allogeneic hematopoietic transplantation. Disease-free survival (DFS), progression-free survival (PFS), and overall survival (OS) rates after SCT were estimated using the Kaplan-Meier method. We performed univariate comparisons by using the log-rank test. OS was defined as the period of time between the day of transplantation and death. The following variables were considered as confounders: recipient age, recipient sex, disease (myeloid or lymphoid), disease risk (standard or high), and donor type (MRD, MUD, or HAPLO donor). The percentage of participants surviving 2 years by donor type is reported.
measure
Overall Survival
time Frame
2 years
description
Estimate toxicity including graft-versus-host disease (GVHD) in participants treated with an alemtuzumab T cell depleted, reduced intensity preparative regimen followed by allogeneic hematopoietic transplantation. Bone marrow aspiration and/or biopsy were performed 3-5 weeks after transplant to assess donor-cell engraftment. Primary Graft Failure was defined as a neutrophil count below 500/μL or the absence of donor-derived hematopoiesis (\<5%donor cells) before relapse, death, or re-transplantation. Secondary Graft Failure was defined as the achievement of primary engraftment and a subsequent decrease in neutrophils to 3 consecutive counts of less than 100/μL or the absence of donor-derived hematopoiesis (\<5% donor cells) before relapse, death, or re-transplantation.
measure
Graft Failure
time Frame
180 days

Full study description

brief Summary: The central hypothesis of this study is that use of a less toxic chemotherapy preparative regimen for allogeneic hematopoietic stem cell transplantation in combination with T cell depletion with alemtuzumab for patients with high risk hematologic malignancies will allow effective control of disease and improved disease free and overall survival compared with historical expectations. Specifically, the objectives are to estimate toxicity, disease free, progression free, event free, and overall survival rates in patients treated with alemtuzumab T cell depleted, reduced intensity preparative regimen followed by allogeneic hematopoietic transplantation; evaluate immune recovery following this reduced intensity allogeneic immunotherapy; develop an in vitro assay to allow patient individualized targeted dosing.
detailed Description: The central hypothesis of this study is that use of a less toxic chemotherapy preparative regimen for allogeneic hematopoietic stem cell transplantation in combination with T cell depletion with alemtuzumab for patients with high risk hematologic malignancies will allow effective control of disease and improved disease free and overall survival compared with historical expectations. Specifically, the objectives are to estimate toxicity, disease free, progression free, event free and overall survival rates in patients treated with an alemtuzumab T cell depleted, reduced intensity preparative regimen followed by allogeneic hematopoietic transplantation; evaluate immune recovery following this reduced intensity allogeneic immunotherapy; develop an in vitro assay to allow patient individualized targeted dosing. The study population is HIV negative, adult patients who are not pregnant but have confirmed diagnosis of disease; must have Cancer and Leukemia Group B (CALGB) performance status (PS) 0, 1, or 2; must have a 3-6/6 human leukocyte antigen (HLA)-matched related donor or 8/8 (A, B, C, DRB1, DQ are the primary determinants) or better HLA-matched unrelated donor who is evaluated and deemed able to provide peripheral blood stem cells (PBPCs) and/or marrow by the transplant team. The target population of patients is those with a high chance of progressive lymphoid or myelomatous diseases, progressive myeloid diseases, marrow failure syndromes or myeloproliferative disorders.

Source references

references

citation
Kanda J, Long GD, Gasparetto C, Horwitz ME, Sullivan KM, Chute JP, Morris A, Shafique M, Li Z, Chao NJ, Rizzieri DA. Reduced-intensity allogeneic transplantation using alemtuzumab from HLA-matched related, unrelated, or haploidentical related donors for patients with hematologic malignancies. Biol Blood Marrow Transplant. 2014 Feb;20(2):257-63. doi: 10.1016/j.bbmt.2013.11.010. Epub 2013 Nov 20.
pmid
24269380
type
RESULT

Source notices and limitations

Discovery and provenance

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Preserved source evidence · Not medical advice