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HuMax-CD20 in B-Cell Chronic Lymphocytic Leukemia (B-CLL) Patients Failing Fludarabine and Alemtuzumab

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
GlaxoSmithKline
ClinicalTrials.gov Identifier:
NCT00349349
First received: July 6, 2006
Last updated: May 29, 2014
Last verified: June 2013
Results First Received: October 20, 2011  
Study Type: Interventional
Study Design: Allocation: Non-Randomized;   Endpoint Classification: Safety/Efficacy Study;   Intervention Model: Single Group Assignment;   Masking: Open Label;   Primary Purpose: Treatment
Condition: Leukaemia, Lymphocytic, Chronic
Intervention: Drug: ofatumumab

  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
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Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
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Reporting Groups
  Description
2000 mg Ofatumumab + DR Ofatumumab intravenous (iv) infusion was initiated at 300 milligrams (mg), followed by seven weekly 2000 mg infusions and then four monthly infusions of 2000 mg for a duration of 24 weeks. The independent endpoint review committee (IRC) classified these participants as double refractory (DR), defined as participants who were enrolled in the study and were refractory to both fludarabine and alemtuzumab.
2000 mg Ofatumumab + BFR Ofatumumab iv infusion was initiated at 300 mg, followed by seven weekly 2000 mg infusions and then four monthly infusions of 2000 mg for a duration of 24 weeks. The IRC classified these participants as bulky fludarabine refractory (BFR), defined as participants who were enrolled in the study and were refractory to fludarabine with bulky lymphadenopathy.
2000 mg Ofatumumab + Other Ofatumumab iv infusion was initiated at 300 mg, followed by seven weekly 2000 mg infusions and then four monthly infusions of 2000 mg for a duration of 24 weeks. The IRC classified these participants as "other," defined as participants who were enrolled in the study but did not meet criteria for DR or BFR.

Participant Flow:   Overall Study
    2000 mg Ofatumumab + DR     2000 mg Ofatumumab + BFR     2000 mg Ofatumumab + Other  
STARTED     95     112     16  
COMPLETED     42     50     10  
NOT COMPLETED     53     62     6  
Adverse Event                 5                 6                 2  
Withdrawal by Subject                 5                 2                 1  
Withdrawn due to Disease Progression                 27                 37                 1  
Death                 13                 10                 1  
Other Treatment Selected                 2                 0                 0  
Participant Reduced General Condition                 0                 1                 0  
Physician Decision                 1                 2                 1  
No Response                 0                 3                 0  
New Malignancy (Bladder Cancer)                 0                 1                 0  



  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.
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Reporting Groups
  Description
2000 mg Ofatumumab + DR Ofatumumab iv infusion was initiated at 300 mg, followed by seven weekly 2000 mg infusions and then four monthly infusions of 2000 mg for a duration of 24 weeks. The IRC classified these participants as DR, defined as participants who were enrolled in the study and were refractory to both fludarabine and alemtuzumab.
2000 mg Ofatumumab + BFR Ofatumumab iv infusion was initiated at 300 mg, followed by seven weekly 2000 mg infusions and then four monthly infusions of 2000 mg for a duration of 24 weeks. The IRC classified these participants as BFR, defined as participants who were enrolled in the study and were refractory to fludarabine with bulky lymphadenopathy.
2000 mg Ofatumumab + Other Ofatumumab iv infusion was initiated at 300 mg, followed by seven weekly 2000 mg infusions and then four monthly infusions of 2000 mg for a duration of 24 weeks. The IRC classified these participants as "other,"defined as participants who were enrolled in the study but did not meet criteria for DR or BFR.
Total Total of all reporting groups

Baseline Measures
    2000 mg Ofatumumab + DR     2000 mg Ofatumumab + BFR     2000 mg Ofatumumab + Other     Total  
Number of Participants  
[units: participants]
  95     112     16     223  
Age  
[units: Years]
Mean ± Standard Deviation
  63.2  ± 8.4     64.4  ± 9.3     64.5  ± 7.4     63.9  ± 8.8  
Gender  
[units: Participants]
       
Female     24     31     5     60  
Male     71     81     11     163  
Race/Ethnicity, Customized  
[units: participants]
       
Asian     1     0     1     2  
Black or African American     2     1     0     3  
Hispanic or Latino     1     0     0     1  
White     88     111     15     214  
Arab     1     0     0     1  
Yemenite     1     0     0     1  
Middle Eastern     1     0     0     1  



  Outcome Measures
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1.  Primary:   Number of Participants (Par.) Classified as Responders and Non-responders for Objective Response as Assessed by an Independent Endpoint Review Committee (IRC) in Accordance With the National Cancer Institute Working Group (NCIWG) 1996 Guidelines   [ Time Frame: Start of treatment (Week 0 of Visit 2) until Week 24 ]

2.  Secondary:   Duration of Response   [ Time Frame: Start of treatment (Week 0 of Visit 2) until Week 24 ]

3.  Secondary:   Progression-Free Survival (PFS)   [ Time Frame: Start of treatment (Week 0 of Visit 2) until Week 24 ]

4.  Secondary:   Time to Next Chronic Lymphocytic Leukemia (CLL) Treatment   [ Time Frame: Time from randomization (Week 0 of Visit 2) until the time of first administration of a CLL treatment other than ofatumumab (assessed for a median of 8.7 weeks currently [or up to 13.3 months]) ]

5.  Secondary:   Overall Survival   [ Time Frame: Start of randomization (Week 0 of Visit 2) until death (up to a median of 17.1 weeks) ]

6.  Secondary:   Percent Change From Baseline to Week 7 in Peripheral CD5+CD19+ Cell Counts   [ Time Frame: Baseline (Visit 2) until Week 7 (Visit 9) ]

7.  Secondary:   Percent Change From Baseline to Week 7 in Peripheral CD5+CD20+ Cell Counts   [ Time Frame: Baseline (Visit 2) until Week 7 (Visit 9) ]

8.  Secondary:   Median Percent Change of Tumor Size (Sum of Products Dimensions [SPD]) From Baseline (Visit 2) to Week 24 (Visit 14)   [ Time Frame: Baseline (Visit 2) until Week 24 (Visit 14) ]

9.  Secondary:   Number of Participants With Complete Resolution of Constitutional Symptoms at Week 24   [ Time Frame: Baseline (Visit 2) and Week 24 ]

10.  Secondary:   Number of Participants With Complete Resolution of Lymphadenopathy   [ Time Frame: Baseline (Visit 2) to end of study (up to Week 24) ]

11.  Secondary:   Number of Participants With Improvement on the Eastern Cooperative Oncology Group (ECOG) Performance Status Scale at Week 24   [ Time Frame: Baseline (Visit 2) and Week 24 ]

12.  Secondary:   Number of Participants Who Were Positive, Negative, or Had Missing Data for the Indicated Fluorescence in Situ Hybridization (FISH) Prognostic Factors at Screening   [ Time Frame: Screening (Visit 1, <=14 days prior to Visit 2) ]

13.  Secondary:   Number of Participants With Improvement in Hemoglobin   [ Time Frame: Baseline (Visit 2) to Week 28 ]

14.  Secondary:   Number of Participants With Improvement in Thrombocytopenia (Thromb.)   [ Time Frame: Baseline (Visit 2) to Week 28 ]

15.  Secondary:   Number of Participants With Complete Resolution of Hepatomegaly   [ Time Frame: Baseline (Visit 2) until Week 24 ]

16.  Secondary:   Number of Participants With Improvement in Neutropenia   [ Time Frame: Baseline (Visit 2) to Week 28 ]

17.  Secondary:   Number of Participants With Complete Resolution of Splenomegaly   [ Time Frame: Baseline (Visit 2) until Week 24 ]

18.  Secondary:   Number of Participants Who Experienced Any Adverse Event   [ Time Frame: From first infusion (Visit 2/Week 0) to Visit 21 (Month 24 of follow-up [up to Month 48]) or time of withdrawal (treatment and follow-up) ]

19.  Secondary:   Cmax and Ctrough at Dose 1 (Visit 2, Week 0), Dose 8 (Visit 9, Week 7), and Dose 12 (Visit 14, Week 24)   [ Time Frame: Visit 2 (Week 0), Visit 9 (Week 7), and Visit 14 (Week 24) ]

20.  Secondary:   AUC (0-inf) and AUC(0-tau) at Dose 8 (Visit 9, Week 7) and Dose 12 (Visit 14, Week 24)   [ Time Frame: Visit 9 (Week 7) and Visit 14 (Week 24) ]

21.  Secondary:   Half-life (t1/2) at Dose 8 (Visit 9, Week 7) and at Dose 12 (Visit 14, Week 24)   [ Time Frame: Visit 9 (Week 7) and Visit14 (Week 24) ]

22.  Secondary:   Clearance (CL) After Dose 8 (Visit 9, Week 7) and Dose 12 (Visit 14, Week 24)   [ Time Frame: Visit 9 (Week 7) and Visit 14 (Week 24) ]

23.  Secondary:   Volume of Distribution at Steady State (Vss) at Dose 8 (Visit 9, Week 7) and at Dose 12 (Visit 14, Week 24)   [ Time Frame: Visit 9 (Week 7) and Visit 14 (Week 24) ]


  Serious Adverse Events


  Other Adverse Events
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Time Frame No text entered.
Additional Description No text entered.

Frequency Threshold
Threshold above which other adverse events are reported   5%  

Reporting Groups
  Description
2000 mg Ofatumumab + DR Ofatumumab iv infusion was initiated at 300 mg, followed by seven weekly 2000 mg infusions and then four monthly infusions of 2000 mg for a duration of 24 weeks. The IRC classified these participants as DR, defined as participants who were enrolled in the study and were refractory to both fludarabine and alemtuzumab.
2000 mg Ofatumumab + BFR Ofatumumab iv infusion was initiated at 300 mg, followed by seven weekly 2000 mg infusions and then four monthly infusions of 2000 mg for a duration of 24 weeks. The IRC classified these participants as BFR, defined as participants who were enrolled in the study and were refractory to fludarabine with bulky lymphadenopathy.
2000 mg Ofatumumab + Other Ofatumumab iv infusion was initiated at 300 mg, followed by seven weekly 2000 mg infusions and then four monthly infusions of 2000 mg for a duration of 24 weeks. The IRC classified these participants as "other,"defined as participants who were enrolled in the study but did not meet criteria for DR or BFR.

Other Adverse Events
    2000 mg Ofatumumab + DR     2000 mg Ofatumumab + BFR     2000 mg Ofatumumab + Other  
Total, other (not including serious) adverse events        
# participants affected / at risk     90/95     107/112     16/16  
Blood and lymphatic system disorders        
Anemia † 1      
# participants affected / at risk     17/95 (17.89%)     20/112 (17.86%)     2/16 (12.50%)  
Neutropenia † 1      
# participants affected / at risk     19/95 (20.00%)     13/112 (11.61%)     5/16 (31.25%)  
Gastrointestinal disorders        
Diarrhoea † 1      
# participants affected / at risk     16/95 (16.84%)     16/112 (14.29%)     5/16 (31.25%)  
Nausea † 1      
# participants affected / at risk     13/95 (13.68%)     15/112 (13.39%)     1/16 (6.25%)  
Vomiting † 1      
# participants affected / at risk     7/95 (7.37%)     7/112 (6.25%)     1/16 (6.25%)  
Abdominal pain † 1      
# participants affected / at risk     5/95 (5.26%)     7/112 (6.25%)     1/16 (6.25%)  
General disorders        
Fatigue † 1      
# participants affected / at risk     12/95 (12.63%)     22/112 (19.64%)     1/16 (6.25%)  
Pyrexia † 1      
# participants affected / at risk     22/95 (23.16%)     18/112 (16.07%)     7/16 (43.75%)  
Oedema peripheral † 1      
# participants affected / at risk     9/95 (9.47%)     14/112 (12.50%)     1/16 (6.25%)  
Chills † 1      
# participants affected / at risk     13/95 (13.68%)     13/112 (11.61%)     2/16 (12.50%)  
Infections and infestations        
Pneumonia † 1      
# participants affected / at risk     15/95 (15.79%)     15/112 (13.39%)     4/16 (25.00%)  
Bronchitis † 1      
# participants affected / at risk     14/95 (14.74%)     12/112 (10.71%)     0/16 (0.00%)  
Upper respiratory tract infection † 1      
# participants affected / at risk     4/95 (4.21%)     17/112 (15.18%)     2/16 (12.50%)  
Nasopharyngitis † 1      
# participants affected / at risk     10/95 (10.53%)     10/112 (8.93%)     1/16 (6.25%)  
Herpes zoster † 1      
# participants affected / at risk     6/95 (6.32%)     6/112 (5.36%)     0/16 (0.00%)  
Sinusitis † 1      
# participants affected / at risk     7/95 (7.37%)     7/112 (6.25%)     1/16 (6.25%)  
Urinary tract infection † 1      
# participants affected / at risk     4/95 (4.21%)     8/112 (7.14%)     1/16 (6.25%)  
Lower respiratory tract infections † 1      
# participants affected / at risk     5/95 (5.26%)     6/112 (5.36%)     3/16 (18.75%)  
Metabolism and nutrition disorders        
Decreased appetite † 1      
# participants affected / at risk     8/95 (8.42%)     4/112 (3.57%)     0/16 (0.00%)  
Musculoskeletal and connective tissue disorders        
Back pain † 1      
# participants affected / at risk     13/95 (13.68%)     7/112 (6.25%)     2/16 (12.50%)  
Muscle spasms † 1      
# participants affected / at risk     4/95 (4.21%)     7/112 (6.25%)     2/16 (12.50%)  
Nervous system disorders        
Headache † 1      
# participants affected / at risk     8/95 (8.42%)     5/112 (4.46%)     1/16 (6.25%)  
Parasthesia † 1      
# participants affected / at risk     5/95 (5.26%)     5/112 (4.46%)     2/16 (12.50%)  
Psychiatric disorders        
Insomnia † 1      
# participants affected / at risk     7/95 (7.37%)     7/112 (6.25%)     1/16 (6.25%)  
Respiratory, thoracic and mediastinal disorders        
Cough † 1      
# participants affected / at risk     23/95 (24.21%)     24/112 (21.43%)     5/16 (31.25%)  
Dyspnoea † 1      
# participants affected / at risk     19/95 (20.00%)     12/112 (10.71%)     3/16 (18.75%)  
Skin and subcutaneous tissue disorders        
Rash † 1      
# participants affected / at risk     17/95 (17.89%)     8/112 (7.14%)     5/16 (31.25%)  
Urticaria † 1      
# participants affected / at risk     5/95 (5.26%)     9/112 (8.04%)     2/16 (12.50%)  
Hyperhidrosis † 1      
# participants affected / at risk     6/95 (6.32%)     8/112 (7.14%)     1/16 (6.25%)  
Vascular disorders        
Hypotension † 1      
# participants affected / at risk     7/95 (7.37%)     6/112 (5.36%)     1/16 (6.25%)  
Events were collected by systematic assessment
1 Term from vocabulary, MedDRA



  Limitations and Caveats
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Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data
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