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CompletedNCT00990249Updated Aug 7, 2018Results posted

Busulfan Plus Clofarabine Followed by Allogeneic Hematopoietic Stem Cell Transplantation

A Phase 2 interventional study of Busulfan and Clofarabine in Leukemia, Lymphoma and Allogeneic Haematopoietic Stem Cell Transplantation, sponsored by M.D. Anderson Cancer Center. Completed at 1 site in United States. Open to participants aged Up to 65 Years. Per ClinicalTrials.gov, last updated 2018-08-07.

Sponsored by M.D. Anderson Cancer Center · Phase 2, Interventional, and Treatment

Phase
Phase 2
Study type
Interventional
Enrollment
120
Allocation
Not applicable
Ages
Up to 65 Years
Sex
All
01

Study summary

The goal of this clinical research study is to test the safety of giving clofarabine in combination with busulfan, followed by an allogeneic (from a donor) stem cell transplant, in patients with advanced leukemia or lymphoma.

Read the detailed description

Study Treatment:

Busulfan is designed to bind to DNA (the genetic material of cells), which may cause cancer cells to die. It is commonly used in stem cell transplants.

Clofarabine is designed to interfere with the growth and development of cancer cells.

A stem cell transplant is designed to help your body attack the cancer cells that may remain in your body after chemotherapy.

Central Venous Catheter Placement:

If you are found to be eligible to take part in this study, you will have a central venous catheter (CVC) placed. A CVC is a sterile flexible tube that will be placed into a large vein while you are under local anesthesia. Your doctor will explain this procedure to you in more detail, and you will be required to sign a separate consent form for it.

The study drugs and stem cells will be given by vein through your CVC. The CVC will remain in your body for about 3 months.

Study Drug Administration and Stem Cell Transplant:

You will first receive a low-level "test" dose of busulfan by vein, either over 45 or 60 minutes, on Day -8 (8 days before the transplant).

A heparin lock will be placed in your vein to lower the number of needle sticks needed for the blood draws. This will involve placing an intravenous (IV) line in your lower arm that will remain in place from Day -8 through Day -6.

Blood (about 1 teaspoon each time) will be drawn for pharmacokinetic (PK) testing up to 11 times over the 11 hours after the busulfan dose on Day -8. PK testing measures the amount of study drug in the body at different time points. This PK testing will be done to find the dose of busulfan needed for your body size on the other days that you receive busulfan.

Each day from Day -6 through Day -3, you will receive clofarabine by vein over 1 hour and your body-specific dose of busulfan by vein over 3 hours. If for any reason you could not have the PK tests performed, you will receive the standard busulfan dose on these days.

The PK testing will be repeated on Day -6. Blood (about 1 teaspoon each time) will be drawn for PK testing up to 11 times over the 11 hours after the busulfan dose.

If your donor is not related to you or his/her tissue is not HLA-matched (genetically matched), you will receive antithymocyte globulin (ATG) by vein over 4 hours each day on Day -3 through Day -1. ATG is designed to weaken your immune system in order to lower the risk that your body will reject the transplant.

On Day 0, you will receive the donor's bone marrow or blood stem cells by vein. The infusion will last anywhere from about 30 minutes to several hours.

You will also receive tacrolimus and methotrexate to weaken the immune system and lower the risk of graft-versus-host disease (GVHD). GVHD is a reaction of the donor's immune cells against the recipient's body.

  • Tacrolimus will be given by vein over 24 hours every day, starting on Day -2 and continuing until you are able to take tacrolimus by mouth. Once you can take tacrolimus by mouth, you will take it every day for about 6 months. If you develop GVHD, the doctor may decide you need to take tacrolimus longer than 6 months.
  • Methotrexate will be given by vein over 15 minutes on Days 1, 3, 6, and 11 after the transplant.

Starting 1 week after the transplant, you will receive filgrastim (G-CSF) as an injection under the skin once a day until your blood cell levels return to normal.

Other Possible Treatments:

If you have a history of leukemia or lymphoma in the brain, you will receive spinal taps and chemotherapy several times over the 12 months after the transplant. The chemotherapy drug will be infused over a few minutes, during the spinal tap, directly into the space around the spinal cord. Based on standard care, the doctor will decide how often this occurs and which chemotherapy drug will be used (either methotrexate or cytarabine).

If you have a certain type of leukemia (Philadelphia chromosome positive acute lymphoblastic leukemia [ALL]), you will receive an additional drug to help prevent the cancer from returning. The drug will be imatinib mesylate or another similar type of drug that the doctor decides. It will be given by mouth, every day for up to 1 year after the transplant.

Length of Study Participation:

You will be in the hospital for about 4 weeks after the transplant. You will be taken off study if the disease gets worse. The study drugs will be stopped if intolerable side effects occur.

Follow-Up:

At 1, 3, 6, and 12 months after the transplant, the following tests and procedures will be performed:

  • Blood (about 4 tablespoons) will be drawn for routine tests.
  • You will have a bone marrow aspiration to check the status of the disease. To collect a bone marrow aspirate, an area of the hip is numbed with anesthetic, and a small amount of bone marrow is withdrawn through a large needle.
  • If the disease was not in your bone marrow at the time of diagnosis, you will have a CT and/or positron emission computed tomography (PET) scan to check the status of the disease.

The study staff will stay in contact with your local doctor to find out if the leukemia or lymphoma comes back, as well as to check how you are doing.

This is an investigational study. Busulfan and clofarabine are commercially available and FDA approved for the treatment of cancer. Busulfan is also FDA approved for use with stem cell transplants. The use of these drugs together with a stem cell transplant is investigational.

Up to 150 patients will take part in this study. All will be enrolled at M. D. Anderson.

02

Conditions studied

  • Leukemia
  • Lymphoma
  • Allogeneic Haematopoietic Stem Cell Transplantation
  • Acute Lymphoblastic Leukemia

Keywords

  • Acute Lymphoblastic Leukemia
  • ALL
  • Acute lymphoblastic lymphoma
  • acute biphenotypic leukemia
  • Allogeneic hematopoietic cell transplantation
  • HCT
  • Stem Cell Transplant
  • Treatment-related mortality
  • Tyrosine kinase inhibitors
  • TKI
  • Busulfan
  • Busulfex
  • Myleran
  • Clofarabine
  • Clolar
  • Clofarex
  • Gleevec
  • Imatinib Mesylate
03

In context

Lymphoma

5,578 studies on the registry are indexed under Lymphoma; 825 are open to participants now.

This study's enrollment of 120 is above the median of 40 across 4,508 interventional studies indexed under Lymphoma.

Browse Lymphoma studies →

Lead sponsor

M.D. Anderson Cancer Center is the lead sponsor of 2,999 studies on the registry; 581 are open to participants now.

Of its 599 completed or terminated interventional studies of FDA-regulated products, 402 (67%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
Up to 65 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  1. Patients with biopsy-proven acute lymphoblastic leukemia, acute lymphoblastic lymphoma, or acute biphenotypic leukemia in remission or relapse.
  2. Adequate renal function, as defined by estimated serum creatinine clearance >60 ml/min.
  3. Bilirubin equal or less than 1.5 (unless Gilbert's Syndrome), serum glutamate pyruvate transaminase (SGPT) \<3 X upper limit of normal and alkaline phosphatase \<2 X upper limit of normal.
  4. Adequate pulmonary function with forced expiratory volume at one second (FEV1), forced vital capacity (FVC) and diffusion capacity of lung for carbon monoxide (DLCO) at least 45% of expected corrected for hemoglobin. Children unable to perform pulmonary functions must have an oxygen saturation greater than 92% at room air.
  5. Adequate cardiac function with left ventricular ejection fraction at least 45% on appropriate medical therapy. No uncontrolled arrhythmias or symptomatic cardiac disease.
  6. Zubrod performance status \<2 or Lansky/Karnofsky PS equal or greater to 70%.
  7. Patients must have a related, genotypically HLA identical donor, or they must have a unrelated donor who is 8/8 HLA match by high resolution typing.
  8. Patient or patient's legal representative, parent(s) or guardian should provide written informed consent. Assent of a minor if participant's age is at least seven and less than eighteen years.
  9. Negative Beta Human Chorionic Gonadotropin (HCG) test in a woman with child bearing potential defined as not post-menopausal for 12 months and no previous surgical sterilization.

Exclusion criteria

Exclusion Criteria:

  1. Patients with unresolved grade >2 non-hematologic toxicity from previous therapy. Patients with grade 2 toxicity will be eligible at the discretion of the PI.
  2. Patients with active central nervous system (CNS) disease.
  3. Evidence of acute or chronic active hepatitis or cirrhosis.
  4. Uncontrolled infection, including HIV, HTLV-1, hepatitis B or hepatitis C viremia.
  5. Patients greater than 65 years-old.
  6. Prior autologous or allogeneic hematopoietic stem cell transplant.
05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
120 participants (actual)

Study arms

  • Experimental
    Busulfan + Clofarabine + Stem Cell Transplant

    Busulfan test dose 32 mg/m\^2 by vein over 45 minutes on Day -8; following doses on Days -6 to -3 derived from pharmacokinetic (PK) testing done up to 11 times over 11 hours after test dose. Clofarabine 40 mg/m\^2 by vein over 1 hour daily Day -6 through Day -3. Thymoglobulin 0.5 mg/kg on Day -3, 1.5 mg/kg on Day -2 and 2.0 mg/kg on Day -1; only patients with HLA nonidentical or unrelated donors. Stem cell infusion on Day 0.

    Drug: Busulfan · Drug: Clofarabine · Drug: Thymoglobulin · Procedure: Stem Cell Transplant

Interventions

  • DrugBusulfan

    Test Dose 32 mg/m\^2 by vein over 45 minutes on Day -8; following doses on Days -6 to -3 derived from pharmacokinetic (PK) testing done up to 11 times over 11 hours after test dose.

    Also known as: Busulfex, Myleran

  • DrugClofarabine

    40 mg/m\^2 by vein over 1 hour daily Day -6 through Day -3

    Also known as: Clolar, Clofarex

  • DrugThymoglobulin

    0.5 mg/kg on Day -3, 1.5 mg/kg on Day -2 and 2.0 mg/kg on Day -1; only patients with HLA nonidentical or unrelated donors

    Also known as: Anti-thymocyte globulin, ATG

  • ProcedureStem Cell Transplant

    Stem cell infusion on Day 0.

    Also known as: Allogeneic hematopoietic cell transplant, HCT

06

What researchers measure

Primary outcomes

  1. Treatment-Related Mortality (TRM) Defined as Non Relapse Mortality (NRM)

    NRM was defined as death from any cause other than disease progression or relapse and reported as percentage of participant deaths. Treatment related deaths after transplant are defined either by deaths which could not be attributed to disease relapse or progression or by deaths without previous relapse or progression. For TRM at day 100, Bayesian method of Thall, Simon, and Estey used to perform interim monitoring.

    Time frame: 100 Days

07

Results

Posted Aug 7, 2018

Participant flow

Recruitment Period: October 01, 2009 to July 13, 2015. All recruitment done at The University of Texas MD Anderson Cancer Center.

Participant flow — Overall Study
MilestoneBusulfan + Clofarabine + Stem Cell Transplant
Started120
Completed107
Not completed13
Withdrew: Disease progression8
Withdrew: Non-compliance1
Withdrew: Death2
Withdrew: Not treated2

Outcome measures

PrimaryTreatment-Related Mortality (TRM) Defined as Non Relapse Mortality (NRM)

NRM was defined as death from any cause other than disease progression or relapse and reported as percentage of participant deaths. Treatment related deaths after transplant are defined either by deaths which could not be attributed to disease relapse or progression or by deaths without previous relapse or progression. For TRM at day 100, Bayesian method of Thall, Simon, and Estey used to perform interim monitoring.

Time frame:
100 Days
Reported as:
Number · percentage of participants
Treatment-Related Mortality (TRM) Defined as Non Relapse Mortality (NRM)
percentage of participantsBusulfan + Clofarabine + Stem Cell Transplant
Treatment-Related Mortality (TRM) Defined as Non Relapse Mortality (NRM)10

Adverse events

Collected over The specific period was from the start of preparative regiment up to Day 100 for the collection of adverse events.. Non-serious events are listed at a 0% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Busulfan + Clofarabine + Stem Cell Transplant—3/120 (2.5%)118/120 (98.3%)
Most frequent serious events
Most frequent serious events
EventBusulfan + Clofarabine + Stem Cell Transplant
Diffuse alveolar hemorrhage (DAH)Respiratory, thoracic and mediastinal disorders1/120
Infection/SepsisInfections and infestations1/120
PneumoniaRespiratory, thoracic and mediastinal disorders1/120
Most frequent other events
Showing 10 of 18
Most frequent other events
EventBusulfan + Clofarabine + Stem Cell Transplant
MucositisGastrointestinal disorders105/120
InfectionInfections and infestations92/120
TransaminitisInvestigations91/120
NauseaGastrointestinal disorders68/120
Neutropenic FeverBlood and lymphatic system disorders63/120
DiarrheaGastrointestinal disorders56/120
Fluid OverloadBlood and lymphatic system disorders45/120
FeverBlood and lymphatic system disorders43/120
BilirubinInvestigations38/120
Skin RashSkin and subcutaneous tissue disorders22/120

Baseline characteristics

Age, Categorical
Age, Categorical(Participants)Busulfan + Clofarabine + Stem Cell Transplant
<=18 years3
Between 18 and 65 years117
>=65 years0
Age, Continuous
Age, Continuous(years)Busulfan + Clofarabine + Stem Cell Transplant
Median38 (12 to 64)
Sex: Female, Male
Sex: Female, Male(Participants)Busulfan + Clofarabine + Stem Cell Transplant
Female47
Male73
Ethnicity (NIH/OMB)
Ethnicity (NIH/OMB)(Participants)Busulfan + Clofarabine + Stem Cell Transplant
Hispanic or Latino14
Not Hispanic or Latino86
Unknown or Not Reported20
Race (NIH/OMB)
Race (NIH/OMB)(Participants)Busulfan + Clofarabine + Stem Cell Transplant
American Indian or Alaska Native0
Asian8
Native Hawaiian or Other Pacific Islander0
Black or African American1
White91
More than one race8
Unknown or Not Reported12
Region of Enrollment
Region of Enrollment(Participants)Busulfan + Clofarabine + Stem Cell Transplant
United States120
08

Study locations

1 site
  • University of Texas MD Anderson Cancer Center
    Houston, Texas 77030, United States
09

References and documents

10

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 7, 2018, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT00990249
Lead sponsor
M.D. Anderson Cancer Center
Responsible party
Sponsor
First posted
Oct 6, 2009
Start date
Oct 2009
Primary completion
May 2016
Completion
May 2016
Results posted
Aug 7, 2018
Last update
Aug 7, 2018

Study contacts

Partow Kebriaei, MD
study chair · M.D. Anderson Cancer Center

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

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