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Busulfan Monotherapy as Conditioning for Autologous Hematopoietic Progenitor Cell Transplantation

A Pilot Study of Intravenous, Targeted-Dose Busulfan Monotherapy as Conditioning for Autologous Hematopoietic Progenitor Cell Transplantation in High-Risk AML

Status
Terminated
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00363467
Enrollment
3
Registered
2006-08-15
Start date
2006-05-31
Completion date
2009-05-31
Last updated
2017-03-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acute Myeloid Leukemia (AML)

Keywords

Busulfan, Acute myeloid leukemia (AML), Hematopoietic Stem Cell Transplantation (HSCT), Dendritic cells, Bone marrow transplantation, PBSC mobilization, Autologous stem cells

Brief summary

During the pre-transplantation phase (following completion of consolidation chemotherapy), patients will begin to receive G-CSF at 10 mcg/kg twice daily; leukapheresis will also be given until a target goal for recipient body weight is obtained, or up to a maximum of 5 days. Conditioning/Preparative therapy will follow PBSC collection for up to 30 days with Busulfan IV daily x 4 days; subsequent doses will be adjusted based on pharmacokinetic (plasma level)monitoring. Following 1 day of rest, stem cell reinfusion will begin with supportive care. During follow-up, patients will be monitored out to 730 days.

Detailed description

1. Pre- Transplantation Phase - 1. Twenty-four to 48 hours following completion of consolidation chemotherapy, patients will begin to receive G-CSF at 10 mcg/kg twice daily subcutaneously. Alternatively, patients may receive G-CSF alone (same dose) as mobilization therapy. 2. Leukapheresis will begin day 4 of G-CSF administration and proceed according to institutional guidelines. Leukapheresis will continue until a target goal for recipient body weight is obtained, or up to a maximum of 5 days. A minimum recipient body weight is required to proceed to transplantation. 2. Transplantation Phase a. Conditioning/Preparative therapy - up to 30 days following PBSC collection, patients will begin conditioning therapy with Busulfan IV daily x 4 days (transplantation days -5,-4,-3,-2). The day -5 and -4 dose will be 130mg/m2; subsequent doses will be adjusted based on pharmacokinetic monitoring. * Busulfan plasma level monitoring, collected around the first dose of busulfan b. Stem cell reinfusion - following 1 day of rest, previously collected autologous peripheral blood stem cells will be infused. * The administration of supportive measures (e.g. intravenous fluids, antihistamines) during stem cell reinfusion will be performed according to institutional guidelines. 3. Supportive care 1. Antibiotic prophylaxis- according to hospital/institutional guidelines, and at the discretion of the treating physician. 2. Growth factor support 3. Transfusion support 4. Prophylaxis for busulfan-induced seizures 4. During follow-up, patients will be seen at least weekly for the first month and there after periodically out to 730 days posttransplant. The following medical procedures will be done: * Medical history and physical exam (including concurrent meds, vital signs, performance status and weight) * Standard labs * Bone marrow aspirate and biopsy

Interventions

DRUGG-CSF

Mobilization Option 1:Twenty-four to 48 hours following completion of consolidation chemotherapy, patients will begin to receive G-CSF at 10 mcg/kg twice daily subcutaneously. Mobilization Option 2: If patients have recovered hematologically from consolidation chemotherapy, they may receive G-CSF at 10 mcg/kg twice daily subcutaneously.

DRUGLeukapheresis

leukapheresis

DRUGBusulfan

Busulfan IV daily x 4 days (transplantation days -5,-4,-3,-2). The day -5 and -4 dose will be 130mg/m2

autologous stem cell transplant

Sponsors

ESP Pharma
CollaboratorUNKNOWN
H. Lee Moffitt Cancer Center and Research Institute
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
OTHER
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
56 Years to 74 Years
Healthy volunteers
No

Inclusion criteria

* Patients must have had histologically confirmed diagnosis of AML, in 1st complete remission, by a pathologic review at the H. Lee Moffitt Cancer Center and Research Institute. Any induction/consolidation regimen is permitted. * General Inclusion Criteria: 1. Age 56-74 2. Able to give informed consent 3. Hepatic and renal function: normal bilirubin, AST and ALT less than or equal to 2x normal limits, serum creatinine less than or equal to 1.5x normal 4. Left ventricular ejection fraction (LVEF) must be in normal range 5. FEV1 AND DLCO greater than or equal to 50% predicted (at planned time of transplantation) 6. ECOG PS less than or equal to 2 (at planned time of transplantation) * Disease Specific Inclusion Criteria: 1. Adverse-risk karyotype (del 5/5q, 7/7q, 3q, greater than or equal to 3 abnormalities): 2. Intermediate-risk karyotype \[46 XY, +8, -Y, +6, or any other isolated (\<3 total) non-random abnormality not included in the adverse-risk category or favorable-risk category below\] * AML arising from antecedent hematologic disorder (e.g. MDS) * Secondary AML (t-AML)

Exclusion criteria

* Acute Promyelocytic Leukemia(FAB M3) subtype * Presence of (8;21) translocation or inversion 16/t(16;16) cytogenetic phenotype (i.e. favorable-risk AML) * Eligible for and willing to undergo matched-sibling allogeneic transplantation * Greater than 2 induction regimens required to achieve complete remission * Duration of \> 8 weeks between completion of induction chemotherapy and initiation of consolidation chemotherapy * No prior malignancy is allowed, except for adequately treated basal cell (or squamous cell) skin cancer, in situ cervical cancer, or other cancer for which the patient has been disease-free for at least 5 years. * Prior extensive radiation therapy (\>25% of bone marrow reserve) * Concomitant radiation therapy, chemotherapy, or immunotherapy * Intrinsic impaired organ function (as stated above) * Active infection * Positive serum pregnancy test in women who have not yet reached menopause (no menstrual periods for \>12 months or who have not undergone tubal ligation or complete hysterectomy. * Women who are breast-feeding * Positive HIV testing * Presence of CNS leukemia * Uncontrolled insulin-dependent diabetes mellitus or uncompensated major thyroid or adrenal gland dysfunction * Physical or psychiatric conditions that in the estimation of the PI or his designee place the patient at high-risk of toxicity or non-compliance

Design outcomes

Primary

MeasureTime frameDescription
100-day Non-relapse Mortality100 days post transplant100-day non-relapse mortality is the number of participants who died before day 100 posttransplant from causes other than relapsed disease

Secondary

MeasureTime frameDescription
Successful Autologous Stem Cell CollectionAt time of stem cell collectionNumber of subjects who were able to collect at least 2 million CD34+ cells/kg
Severe Regimen-related Toxicityup to 100 days post translantNumber of participants with severe regimen-related toxicity within 2 years posttransplant. Severe regimen-related toxicity was defined as CTC (version 3)grade 4.
1 Year Event-free Survival1 year post transplantNumber of participants alive and without disease relapse at 1 year posttransplant
1 Year Overall Survival1 year post transplantNumber of participants alive at 1 year posttransplant

Countries

United States

Participant flow

Recruitment details

Recruitment period May 15, 2006 through May 20, 2009; H. Lee Moffitt Cancer Center.

Pre-assignment details

The study did not involve a wash-out period or group assignment.

Participants by arm

ArmCount
Autologous Hematopoietic Progenitor Cell Transplantation
G-CSF Mobilization Leukepheresis Busulfan Stem Cell Reinfusion
3
Total3

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyPhysician Decision1

Baseline characteristics

CharacteristicAutologous Hematopoietic Progenitor Cell Transplantation
Age, Continuous64 years
STANDARD_DEVIATION 2.828427
Age, Customized
>=65 years
1 participants
Age, Customized
Between 18 and 65 years
2 participants
Region of Enrollment
United States
3 participants
Sex: Female, Male
Female
1 Participants
Sex: Female, Male
Male
2 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
— / —
other
Total, other adverse events
0 / 2
serious
Total, serious adverse events
0 / 2

Outcome results

Primary

100-day Non-relapse Mortality

100-day non-relapse mortality is the number of participants who died before day 100 posttransplant from causes other than relapsed disease

Time frame: 100 days post transplant

Population: Analysis was per protocol

ArmMeasureValue (NUMBER)
Autologous Hematopoietic Progenitor Cell Transplantation100-day Non-relapse Mortality0 participants
Secondary

1 Year Event-free Survival

Number of participants alive and without disease relapse at 1 year posttransplant

Time frame: 1 year post transplant

ArmMeasureValue (NUMBER)
Autologous Hematopoietic Progenitor Cell Transplantation1 Year Event-free Survival2 participants
Secondary

1 Year Overall Survival

Number of participants alive at 1 year posttransplant

Time frame: 1 year post transplant

ArmMeasureValue (NUMBER)
Autologous Hematopoietic Progenitor Cell Transplantation1 Year Overall Survival2 participants
Secondary

Severe Regimen-related Toxicity

Number of participants with severe regimen-related toxicity within 2 years posttransplant. Severe regimen-related toxicity was defined as CTC (version 3)grade 4.

Time frame: up to 100 days post translant

ArmMeasureValue (NUMBER)
Autologous Hematopoietic Progenitor Cell TransplantationSevere Regimen-related Toxicity2 participants
Secondary

Successful Autologous Stem Cell Collection

Number of subjects who were able to collect at least 2 million CD34+ cells/kg

Time frame: At time of stem cell collection

Population: per protocol

ArmMeasureValue (NUMBER)
Autologous Hematopoietic Progenitor Cell TransplantationSuccessful Autologous Stem Cell Collection2 participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026