We updated the design of this site on December 18, 2017. Learn more.
ClinicalTrials.gov
ClinicalTrials.gov Menu

A Study of the Effects of RoActemra/Actemra (Tocilizumab) on Neutrophils in Patients With Active Rheumatoid Arthritis Who Have an Inadequate Response to Biologic and/or Non-biologic DMARDs.

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
ClinicalTrials.gov Identifier: NCT01195272
Recruitment Status : Completed
First Posted : September 6, 2010
Results First Posted : November 13, 2014
Last Update Posted : November 13, 2014
Sponsor:
Information provided by (Responsible Party):

Study Type: Interventional
Study Design: Allocation: Non-Randomized;   Intervention Model: Single Group Assignment;   Masking: None (Open Label);   Primary Purpose: Treatment
Condition: Rheumatoid Arthritis
Intervention: Drug: tocilizumab [RoActemra/Actemra]

  Participant Flow

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
Tocilizumab 8 Milligrams Per Kilogram (mg/kg) Participants received tocilizumab 8 mg/kg (maximum dose 800 mg) intravenously (IV), once every 4 weeks up to 52 weeks (total of 13 infusions).

Participant Flow:   Overall Study
    Tocilizumab 8 Milligrams Per Kilogram (mg/kg)
STARTED   21 
COMPLETED   17 
NOT COMPLETED   4 
Adverse Event                1 
Lack of Efficacy                3 



  Baseline Characteristics

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.
Safety Population: all participants who received at least 1 dose of tocilizumab treatment and had at least 1 post-baseline safety assessment.

Reporting Groups
  Description
Tocilizumab 8 mg/kg Participants received tocilizumab 8 mg/kg (maximum dose 800 mg) IV, once every 4 weeks up to 52 weeks (total of 13 infusions).

Baseline Measures
   Tocilizumab 8 mg/kg 
Overall Participants Analyzed 
[Units: Participants]
 21 
Age 
[Units: Years]
Mean (Standard Deviation)
 49.2  (11.2) 
Gender 
[Units: Participants]
 
Female   18 
Male   3 


  Outcome Measures

1.  Primary:   Mean Percentage of Cells Staining Positive for Annexin V Binding in Apoptosis   [ Time Frame: Visits 2, 3, 5, and 8 (Baseline and Weeks 4, 12 and 24) ]

2.  Primary:   Mean Percentage of Cells Staining Positive for Annexin V Binding With Granulocyte-Macrophage Colony Stimulating Factor (GM-CSF)   [ Time Frame: Visits 2, 3, 5, and 8 (Baseline and Weeks 4, 12 and 24) ]

3.  Primary:   Mean Fluorescence Intensity of CD11b on Neutrophil Surface   [ Time Frame: Visits 2, 3, and 5 (Baseline and Weeks 4 and 12) ]

4.  Primary:   Mean Fluorescence Intensity of CD18 on Neutrophil Surface   [ Time Frame: Visits 2, 3, and 5 (Baseline and Weeks 4 and 12) ]

5.  Primary:   Mean Fluorescence Intensity of CD62L (L Selectin) on Neutrophil Surface   [ Time Frame: Visits 2, 3 and 5 (Baseline and Weeks 4 and 12) ]

6.  Primary:   Mean Fluorescence Intensity of CD63 on Neutrophil Surface   [ Time Frame: Visits 2, 3, and 5 (Baseline and Weeks 4 and 12) ]

7.  Primary:   Mean Fluorescence Intensity of Interleukin-6 Receptor (Il-6R) on Neutrophil Surface   [ Time Frame: Visits 2, 3, and 5 (Baseline and Weeks 4 and 12) ]

8.  Primary:   Mean Fluorescence Intensity of Membrane Bound Tumor Necrosis Factor Alpha (mTNFα) on Neutrophil Surface   [ Time Frame: Visits 2, 3, and 5 (Baseline and Weeks 4 and 12) ]

9.  Primary:   Mean Chemiluminescence (Area Under the Concentration-time Curve [AUC]) of Neutrophil Reactive Species Production Using Formyl-Methionyl-Leucyl-Phenylalanine (fMLP) Stimulation   [ Time Frame: Visit 2, 3, 5, and 8 (Baseline and predose at Weeks 4, 12 and 24) ]

10.  Primary:   Mean Chemiluminescence (AUC) of Neutrophil Reactive Species Production Using Phorbol 12-Myristate 13-Acetate (PMA) Stimulation   [ Time Frame: Visit 2, 3, 5, and 8 (Baseline and predose at Weeks 4, 12 and 24) ]

11.  Primary:   Percentage of Neutrophils Positive for Propidium Iodide (PI)-Labeled Staphylococcus Aureus (S. Aureus) Uptake   [ Time Frame: Visit 2, 3, 5, and 8 (Baseline and Weeks 4, 12 and 24) ]

12.  Primary:   Percentage of Neutrophils Positive for Dihydrorhodamine-123 (DHR) Oxidation   [ Time Frame: Visit 2, 3, 5, and 8 (Baseline and Weeks 4, 12 and 24) ]

13.  Secondary:   Disease Activity Score Based on 28-Joint Count (DAS28)   [ Time Frame: Screening, Baseline, and Weeks 4, 8, 12, 16, 20, 24, 36, 48, and 52 ]

14.  Secondary:   Percentage of Participants With Acceptable and Not Acceptable Benefit-Risk Assessments   [ Time Frame: Weeks 12, 24, and 36 ]


  Serious Adverse Events


  Other Adverse Events


  Limitations and Caveats

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
No text entered.


  More Information

Certain Agreements:  
Principal Investigators are NOT employed by the organization sponsoring the study.
There IS an agreement between Principal Investigators and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed.
The agreement is:
unchecked The only disclosure restriction on the PI is that the sponsor can review results communications prior to public release and can embargo communications regarding trial results for a period that is less than or equal to 60 days. The sponsor cannot require changes to the communication and cannot extend the embargo.
unchecked The only disclosure restriction on the PI is that the sponsor can review results communications prior to public release and can embargo communications regarding trial results for a period that is more than 60 days but less than or equal to 180 days. The sponsor cannot require changes to the communication and cannot extend the embargo.


Results Point of Contact:  
Name/Title: Medical Communications
Organization: Hoffmann- LaRoche
phone: 800-821-8590
e-mail: genentech@druginfo.com



Responsible Party: Hoffmann-La Roche
ClinicalTrials.gov Identifier: NCT01195272     History of Changes
Other Study ID Numbers: ML25243
2010-018331-18
First Submitted: September 2, 2010
First Posted: September 6, 2010
Results First Submitted: October 17, 2014
Results First Posted: November 13, 2014
Last Update Posted: November 13, 2014