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Clofarabine and Cytarabine in Treating Patients With Acute Myeloid Leukemia With Minimal Residual Disease

A Phase II Trial of Clofarabine and Cytarabine to Treat Minimal Residual Disease (MRD) in Acute Myeloid Leukemia

Status
Terminated
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00863434
Enrollment
2
Registered
2009-03-18
Start date
2009-02-28
Completion date
Unknown
Last updated
2017-05-15

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

Conditions

Adult Acute Myeloid Leukemia in Remission, Adult Acute Myeloid Leukemia With 11q23 (MLL) Abnormalities, Adult Acute Myeloid Leukemia With Inv(16)(p13;q22), Adult Acute Myeloid Leukemia With t(15;17)(q22;q12), Adult Acute Myeloid Leukemia With t(16;16)(p13;q22), Adult Acute Myeloid Leukemia With t(8;21)(q22;q22), Recurrent Adult Acute Myeloid Leukemia

Brief summary

RATIONALE: Drugs used in chemotherapy, such as clofarabine and cytarabine, work in different ways to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. Giving clofarabine together with cytarabine may kill more cancer cells. PURPOSE: This pilot phase II trial is studying how well giving clofarabine together with cytarabine works in treating patients with acute myeloid leukemia with minimal residual disease

Detailed description

PRIMARY OBJECTIVES: I. To test the ability of clofarabine + ara-C (cytarabine) to eliminate minimal residual (MRD) in acute myeloid leukemia (AML) patients whose bone marrows exhibit complete remission by morphology. SECONDARY OBJECTIVES: I. To determine the duration of complete remission after this treatment to minimize MRD. OUTLINE: Patients receive filgrastim (G-CSF) subcutaneously (SC) once daily (QD) on days 1-5 and clofarabine intravenously (IV) over 1 hour and cytarabine IV on days 2-5. Beginning approximately 1 month later, patients may receive one additional course of treatment in the absence of disease progression or unacceptable toxicity. After completion of study treatment, patients are followed up every 3 months for 2 years, and then annually for 3 years.

Interventions

DRUGclofarabine

Given IV

DRUGcytarabine

Given IV

BIOLOGICALfilgrastim

Given SC

Sponsors

National Cancer Institute (NCI)
CollaboratorNIH
University of Washington
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* Diagnosis of AML by World Health Organization (WHO) criteria * Persistence of MRD by flow cytometry (phenotypic blast population detectable at \>= 0.1% by flow cytometry despite \< 5% blasts by morphology) after initial induction and one to four cycles of cytarabine containing consolidation chemotherapy * Eastern Cooperative Oncology Group (ECOG) Performance Status of 0-2 * Serum creatinine =\< 1.0 mg/dL; if serum creatinine \> 1.0 mg/dL, then the estimated glomerular filtration rate (GFR) must be \> 60 mL/min/1.73m\^2 as calculated by the Modification of Diet in Renal Disease equation, as reported by University of Washington Medical Center (UWMC) laboratory system * Serum bilirubin =\< 1.5 x upper limit of normal (ULN) * Aspartate transaminase (AST)/alanine transaminase (ALT) =\< 2.5 x ULN * Alkaline phosphatase =\< 2.5 x ULN * Capable of understanding the investigational nature, potential risks and benefits of the study, and able to provide valid informed consent * Female patients of childbearing potential must have a negative serum pregnancy test within 2 weeks prior to enrollment * Male and female patients must use an effective contraceptive method during the study and for a minimum of 6 months after study treatment

Exclusion criteria

* Current concomitant chemotherapy, radiation therapy, or immunotherapy other than as specified in the protocol * Use of investigational agents within 30 days or any anticancer therapy within 2 weeks before study entry, with exceptions for oral agents such as FMS-like tyrosine kinase 3 (Flt3) Inhibitors or hydroxyurea which will be discontinued prior to the investigational drug regimen; intrathecal treatment within two weeks will also be allowed but not permitted to be given concurrently with investigational regimen * The patient must have recovered from all acute non-hematological toxicities from any previous therapy * Have any other severe concurrent disease, or have a history of serious organ dysfunction or disease involving the heart, kidney, liver, or other organ system that may place the patient at undue risk to undergo treatment * Patients with a systemic fungal, bacterial, viral, or other infection not controlled (defined as exhibiting ongoing signs/symptoms related to the infection and without improvement, despite appropriate antibiotics or other treatment) * Pregnant or lactating patients * Any significant concurrent illness, condition, or psychiatric disorder that would compromise patient safety or compliance, interfere with consent, study participation, follow up, or interpretation of study results * Have had a diagnosis of another malignancy, unless the patient has been disease free for at least 3 years following the completion of curative intent therapy including the following: * Patients with treated non-melanoma skin cancer, in situ carcinoma, or cervical intraepithelial neoplasia, regardless of the disease-free duration, are eligible for this study if definitive treatment for the condition has been completed * Patients with organ-confined prostate cancer with no evidence of recurrent or progressive disease based on prostate-specific antigen (PSA) values are also eligible for this study if hormonal therapy has been initiated or a radical prostatectomy has been performed * Prior allogeneic stem cell transplant * Prior treatment with clofarabine

Design outcomes

Primary

MeasureTime frameDescription
Minimal Residual Disease as Assessed by Bone Marrow Flow CytometryPost-treatmentPercent of white blood cells that are blasts in the bone marrow post-treatment.
Disease-free SurvivalEvery 3 months for 2 years, and then annually for 3 years
Overall SurvivalEvery 3 months for 2 years, and then annually for 3 years

Countries

United States

Participant flow

Participants by arm

ArmCount
Treatment (Colony Stimulating Factor and Chemotherapy)
Patients receive G-CSF SC QD on days 1-5 and clofarabine IV over 1 hour and cytarabine IV on days 2-5. Beginning approximately 1 month later, patients may receive one additional course of treatment in the absence of disease progression or unacceptable toxicity. clofarabine: Given IV cytarabine: Given IV filgrastim: Given SC
2
Total2

Baseline characteristics

CharacteristicTreatment (Colony Stimulating Factor and Chemotherapy)
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
0 Participants
Age, Categorical
Between 18 and 65 years
2 Participants
Age, Continuous41.5 years
Minimal Residual Disease (blast %) as Assessed by Bone Marrow Flow Cytometry4.35 percent of white blood cells
Region of Enrollment
United States
2 participants
Sex: Female, Male
Female
0 Participants
Sex: Female, Male
Male
2 Participants

Adverse events

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

Outcome results

Primary

Disease-free Survival

Time frame: Every 3 months for 2 years, and then annually for 3 years

ArmMeasureValue (MEDIAN)
Treatment (Colony Stimulating Factor and Chemotherapy)Disease-free Survival6.43 months
Primary

Minimal Residual Disease as Assessed by Bone Marrow Flow Cytometry

Percent of white blood cells that are blasts in the bone marrow post-treatment.

Time frame: Post-treatment

ArmMeasureValue (MEDIAN)
Treatment (Colony Stimulating Factor and Chemotherapy)Minimal Residual Disease as Assessed by Bone Marrow Flow Cytometry1.8 percent of white blood cells
Primary

Overall Survival

Time frame: Every 3 months for 2 years, and then annually for 3 years

ArmMeasureValue (MEDIAN)
Treatment (Colony Stimulating Factor and Chemotherapy)Overall Survival9.73 months

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