A Pivotal Open-Label Trial of Brentuximab Vedotin for Hodgkin Lymphoma

This study is ongoing, but not recruiting participants.
Sponsor:
Collaborator:
Millennium Pharmaceuticals, Inc.
Information provided by (Responsible Party):
Seattle Genetics, Inc.
ClinicalTrials.gov Identifier:
NCT00848926
First received: February 18, 2009
Last updated: June 30, 2014
Last verified: June 2014
Results First Received: September 15, 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: Disease, Hodgkin
Intervention: Drug: brentuximab vedotin

  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
Enrollment period: Feb 2009 - Aug 2009

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
Brentuximab Vedotin Brentuximab vedotin 1.8 mg/kg every 3 weeks by intravenous (IV) infusion

Participant Flow for 2 periods

Period 1:   Treatment Period
    Brentuximab Vedotin  
STARTED     102  
COMPLETED     18 [1]
NOT COMPLETED     84  
Progressive disease                 45  
Adverse Event                 20  
Physician Decision                 12  
Withdrawal by Subject                 7  
[1] Number who completed 16 cycles of treatment

Period 2:   Follow-up Period
    Brentuximab Vedotin  
STARTED     102 [1]
COMPLETED     28 [2]
NOT COMPLETED     74  
Lost to Follow-up                 2  
Withdrawal by Subject                 1  
Not specified                 2  
Continuing in follow-up                 69  
[1] All participants were to be followed after treatment
[2] Completed survival follow-up due to death



  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.
No text entered.

Reporting Groups
  Description
Brentuximab Vedotin Brentuximab vedotin 1.8 mg/kg every 3 weeks by IV infusion

Baseline Measures
    Brentuximab Vedotin  
Number of Participants  
[units: participants]
  102  
Age, Customized  
[units: years]
Median ( Full Range )
  31.0  
  ( 15 to 77 )  
Gender  
[units: participants]
 
Female     54  
Male     48  
Race (NIH/OMB)  
[units: participants]
 
American Indian or Alaska Native     0  
Asian     7  
Native Hawaiian or Other Pacific Islander     0  
Black or African American     5  
White     89  
More than one race     0  
Unknown or Not Reported     1  
Eastern Cooperative Oncology Group Performance Status [1]
[units: participants]
 
0     42  
1     60  
2-5     0  
[1]

0 = Normal activity

  1. = Symptoms but ambulatory
  2. = In bed <50% of the time
  3. = In bed >50% of the time
  4. = 100% bedridden
  5. = Dead



  Outcome Measures
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1.  Primary:   Objective Response Rate by Independent Review Group   [ Time Frame: up to 12 months ]

2.  Secondary:   Complete Remission Rate by Independent Review Group   [ Time Frame: up to 12 months ]

3.  Secondary:   Duration of Objective Response by Kaplan-Meier Analysis   [ Time Frame: up to 23.5 months ]

4.  Secondary:   Duration of Objective Response in Participants With Complete Remission by Kaplan-Meier Analysis   [ Time Frame: up to 23.5 months ]
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Measure Type Secondary
Measure Title Duration of Objective Response in Participants With Complete Remission by Kaplan-Meier Analysis
Measure Description Duration of response from start of first objective tumor response (CR or PR) by independent review group to disease progression or death due to any cause in participants with CR.
Time Frame up to 23.5 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.
Participants with complete remission among the intention to treat population

Reporting Groups
  Description
Brentuximab Vedotin Brentuximab vedotin 1.8 mg/kg every 3 weeks by IV infusion

Measured Values
    Brentuximab Vedotin  
Number of Participants Analyzed  
[units: participants]
  35  
Duration of Objective Response in Participants With Complete Remission by Kaplan-Meier Analysis  
[units: months]
Median ( 95% Confidence Interval )
  20.5  
  ( 10.8 to NA ) [1]
[1] Insufficient number of events to estimate upper bound

No statistical analysis provided for Duration of Objective Response in Participants With Complete Remission by Kaplan-Meier Analysis



5.  Secondary:   Progression-free Survival by Kaplan-Meier Analysis   [ Time Frame: up to 23.5 months ]

6.  Secondary:   Overall Survival   [ Time Frame: up to 23.5 months ]

7.  Secondary:   Adverse Events by Severity, Seriousness, and Relationship to Treatment   [ Time Frame: up to 12 months ]

8.  Secondary:   Hematology Laboratory Abnormalities >/= Grade 3   [ Time Frame: up to 12 months ]

9.  Secondary:   Chemistry Laboratory Abnormalities >/= Grade 3   [ Time Frame: up to 12 months ]

10.  Secondary:   Area Under the Curve   [ Time Frame: 3 weeks ]

11.  Secondary:   Maximum Serum Concentration   [ Time Frame: 3 weeks ]

12.  Secondary:   Time of Maximum Serum Concentration   [ Time Frame: 3 weeks ]

13.  Other Pre-specified:   B Symptom Resolution   [ Time Frame: up to 12 months ]


  Serious Adverse Events


  Other Adverse Events


  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
Maximum duration of follow-up was 23.5 months; 69 participants remained in survival follow-up at the time of the efficacy analyses.


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