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S0910 Epratuzumab, Cytarabine, and Clofarabine in Treating Patients With Relapsed or Refractory Acute Lymphoblastic Leukemia

This study is ongoing, but not recruiting participants.
Sponsor:
Collaborator:
Information provided by (Responsible Party):
Southwest Oncology Group
ClinicalTrials.gov Identifier:
NCT00945815
First received: July 23, 2009
Last updated: November 13, 2013
Last verified: November 2013
Results First Received: November 13, 2013  
Study Type: Interventional
Study Design: Endpoint Classification: Safety/Efficacy Study;   Intervention Model: Single Group Assignment;   Masking: Open Label;   Primary Purpose: Treatment
Condition: Leukemia
Interventions: Biological: epratuzumab
Drug: clofarabine
Drug: cytarabine
Other: laboratory biomarker analysis

  Participant Flow
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Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
No text entered.

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
No text entered.

Reporting Groups
  Description
Ara-C + Clofarabine + Epratuzumab Ara-C 1 g/m2/d IV Days 1-5, clofarabine 40 mg/m2/d IV Days 2-6, epratuzumab 360 mg/m2/d IV Days 7, 14, 21, 28, acetaminophen 650 mg/d PO Days 7, 14, 21, 28, dephenhydramine 50 mg/d IV Days 7, 14, 21, 28, IT methotrexate 12 mg IT at least 1 wk apart during induction. 1 cycle=28 days. Maximum of one cycle.

Participant Flow:   Overall Study
    Ara-C + Clofarabine + Epratuzumab  
STARTED     35  
Eligible     32  
Eligible and Began Protocol Therapy     31  
COMPLETED     27  
NOT COMPLETED     8  
Death                 3  
Not protocol specified                 1  
Ineligible                 3  
Did not begin protocol therapy                 1  



  Baseline Characteristics
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Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Eligible patients who began protocol therapy were included in this analysis.

Reporting Groups
  Description
Ara-C + Clofarabine + Epratuzumab Ara-C 1 g/m2/d IV Days 1-5, clofarabine 40 mg/m2/d IV Days 2-6, epratuzumab 360 mg/m2/d IV Days 7, 14, 21, 28, acetaminophen 650 mg/d PO Days 7, 14, 21, 28, dephenhydramine 50 mg/d IV Days 7, 14, 21, 28, IT methotrexate 12 mg IT at least 1 wk apart during induction. 1 cycle=28 days. Maximum of one cycle.

Baseline Measures
    Ara-C + Clofarabine + Epratuzumab  
Number of Participants  
[units: participants]
  31  
Age  
[units: years]
Median ( Full Range )
  41  
  ( 21 to 69 )  
Gender  
[units: participants]
 
Female     8  
Male     23  
Ethnicity (NIH/OMB)  
[units: participants]
 
Hispanic or Latino     11  
Not Hispanic or Latino     18  
Unknown or Not Reported     2  
Race (NIH/OMB)  
[units: participants]
 
American Indian or Alaska Native     0  
Asian     1  
Native Hawaiian or Other Pacific Islander     0  
Black or African American     1  
White     26  
More than one race     0  
Unknown or Not Reported     3  



  Outcome Measures
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1.  Primary:   Complete Remission   [ Time Frame: After induction therapy was completed (1 or 2 months) ]

Measure Type Primary
Measure Title Complete Remission
Measure Description Complete remission (CR) is defined as: <5% marrow aspirate blasts. Blasts can be >=5% if the blasts are found to be myeloid and there is no evidence of lymphoblasts by flow cytometry or immunostaining. Neutrophils >= 1000/mcl; platelets >100,000/mcl; and no blasts in the peripheral blood. C1 Extramedullary disease status as defined in the protocol. Complete remission with incomplete platelet recovery (CRi) is same as CR but platelet count may be <=100,000/mcl and/or ANC may be <1,000/mcl.
Time Frame After induction therapy was completed (1 or 2 months)  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Eligible patients who began protocol therapy.

Reporting Groups
  Description
Ara-C + Clofarabine + Epratuzumab Ara-C 1 g/m2/d IV Days 1-5, clofarabine 40 mg/m2/d IV Days 2-6, epratuzumab 360 mg/m2/d IV Days 7, 14, 21, 28, acetaminophen 650 mg/d PO Days 7, 14, 21, 28, dephenhydramine 50 mg/d IV Days 7, 14, 21, 28, IT methotrexate 12 mg IT at least 1 wk apart during induction. 1 cycle=28 days. Maximum of one cycle.

Measured Values
    Ara-C + Clofarabine + Epratuzumab  
Number of Participants Analyzed  
[units: participants]
  31  
Complete Remission  
[units: percentage¬†of¬†participants]
Number ( 95% Confidence Interval )
  52  
  ( 33 to 70 )  

No statistical analysis provided for Complete Remission



2.  Secondary:   Number of Patients With Grade 3 Through 5 Treatment-Related Adverse Events   [ Time Frame: Up to 5 years ]

Measure Type Secondary
Measure Title Number of Patients With Grade 3 Through 5 Treatment-Related Adverse Events
Measure Description Only adverse events that are possibly, probably or definitely related to study drug are reported. Any CTCAE 4.0 event of Grade 3 (severe), Grade 4 (life threatening), or Grade 5 (fatal) which were deemed to be related to protocol treatment are included.
Time Frame Up to 5 years  
Safety Issue Yes  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Eligible patients who received any treatment and were assessed for toxicity were included in the adverse event summaries.

Reporting Groups
  Description
Ara-C + Clofarabine + Epratuzumab Ara-C 1 g/m2/d IV Days 1-5, clofarabine 40 mg/m2/d IV Days 2-6, epratuzumab 360 mg/m2/d IV Days 7, 14, 21, 28, acetaminophen 650 mg/d PO Days 7, 14, 21, 28, dephenhydramine 50 mg/d IV Days 7, 14, 21, 28, IT methotrexate 12 mg IT at least 1 wk apart during induction. 1 cycle=28 days. Maximum of one cycle.

Measured Values
    Ara-C + Clofarabine + Epratuzumab  
Number of Participants Analyzed  
[units: participants]
  31  
Number of Patients With Grade 3 Through 5 Treatment-Related Adverse Events  
[units: Participants]
 
Abdominal pain     1  
Acute kidney injury     1  
Alanine aminotransferase increased     5  
Alkaline phosphatase increased     1  
Anemia     6  
Anorexia     1  
Aspartate aminotransferase increased     6  
Cardiac arrest     2  
Catheter related infection     2  
Diarrhea     2  
Electrocardiogram QT corrected interval prolonged     1  
Encephalopathy     2  
Enterocolitis infectious     2  
Febrile neutropenia     17  
Gum infection     1  
Hepatic failure     1  
Hypercalcemia     1  
Hyperglycemia     1  
Hyperkalemia     1  
Hypertension     1  
Hypocalcemia     1  
Hypokalemia     1  
Hyponatremia     1  
Hypophosphatemia     1  
Hypotension     2  
Hypoxia     2  
Infections and infestations-Gram neg. bacteremia     1  
Investigations - Bacteremia     1  
Leukocytosis     1  
Lung infection     4  
Lymphocyte count decreased     4  
Nervous system disorders - subdural hematoma     1  
Neutrophil count decreased     9  
Oral pain     1  
Platelet count decreased     12  
Respiratory failure     1  
Sepsis     4  
Tooth infection     1  
Tumor lysis syndrome     1  
Typhlitis     2  
White blood cell decreased     8  

No statistical analysis provided for Number of Patients With Grade 3 Through 5 Treatment-Related Adverse Events




  Serious Adverse Events


  Other Adverse Events


  Limitations and Caveats


  More Information