A Study to Assess the Effect of CellCept (Mycophenolate Mofetil) and Reduced Corticosteroids in Patients With Active Pemphigus Vulgaris (PV)

This study has been completed.
Sponsor:
Collaborator:
Aspreva Pharmaceuticals
Information provided by:
Hoffmann-La Roche
ClinicalTrials.gov Identifier:
NCT00683930
First received: May 19, 2008
Last updated: May 25, 2011
Last verified: May 2011
Results First Received: November 18, 2009  
Study Type: Interventional
Study Design: Allocation: Randomized;   Endpoint Classification: Safety/Efficacy Study;   Intervention Model: Parallel Assignment;   Masking: Double Blind (Subject, Investigator);   Primary Purpose: Treatment
Condition: Pemphigus Vulgaris (PV)
Interventions: Drug: Mycophenolate Mofetil 2 g/Day
Drug: Mycophenolate Mofetil (MMF) 3 g/Day
Drug: Placebo

  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
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Reporting Groups
  Description
Placebo Placebo for Mycophenolate Mofetil (MMF) 2 g/day group: 4 tablets orally twice daily for 52 weeks; placebo for MMF 3 g/day group: 6 tablets orally twice daily for 52 weeks
MMF 2 g/Day Mycophenolate mofetil (MMF) 500 mg tablets; 4 tablets twice daily for 52 weeks
MMF 3 g/Day Mycophenolate mofetil (MMF) 500 mg tablets; 6 tablets twice daily for 52 weeks

Participant Flow:   Overall Study
    Placebo     MMF 2 g/Day     MMF 3 g/Day  
STARTED     36 [1]   21 [1]   37  
COMPLETED     29     18     28  
NOT COMPLETED     7     3     9  
[1] One subject not included: no study drug dispensed.



  Baseline Characteristics
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Reporting Groups
  Description
Placebo Placebo for Mycophenolate Mofetil (MMF) 2 g/day group: 4 tablets orally twice daily for 52 weeks; placebo for MMF 3 g/day group: 6 tablets orally twice daily for 52 weeks
MMF 2 g/Day Mycophenolate mofetil (MMF) 500 mg tablets; 4 tablets twice daily for 52 weeks
MMF 3 g/Day Mycophenolate mofetil (MMF) 500 mg tablets; 6 tablets twice daily for 52 weeks
Total Total of all reporting groups

Baseline Measures
    Placebo     MMF 2 g/Day     MMF 3 g/Day     Total  
Number of Participants  
[units: participants]
  36     21     37     94  
Age [1]
[units: years]
Mean ± Standard Deviation
  45.8  ± 12.18     41.0  ± 15.59     44.8  ± 13.47     44.33  ± 13.45  
Gender [1]
[units: participants]
       
Female     24     14     18     56  
Male     12     7     19     38  
[1] Intent-to-treat population



  Outcome Measures
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1.  Primary:   Percentage of Patients Achieving Responder Status at Week 52   [ Time Frame: 52 weeks ]

Measure Type Primary
Measure Title Percentage of Patients Achieving Responder Status at Week 52
Measure Description The proportion of subjects achieving responder status (defined as no new persistent lesions and prednisone dose of not more than 10 mg/day from Week 48 until study termination at Week 52) in the two active treatment groups combined (2 g/day and 3 g/day mycophenolate mofetil) compared with the placebo group
Time Frame 52 weeks  
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.
Intent-to-treat population. Analysis population (AP): Placebo = 36; MMF 2 g/day or 3 g/day = 58.

Reporting Groups
  Description
Placebo Placebo for MMF 2 g/day group: 4 tablets orally twice daily for 52 weeks; placebo for MMF 3 g/day group: 6 tablets orally twice daily for 52 weeks
MMF 2 g/Day and MMF 3 g/Day Groups Combined MMF 2 g/day group: 500 mg tablets, 4 tablets twice daily for 52 weeks MMF 3 g/day group: 500 mg tablets, 6 tablets twice daily for 52 weeks

Measured Values
    Placebo     MMF 2 g/Day and MMF 3 g/Day Groups Combined  
Number of Participants Analyzed  
[units: participants]
  36     58  
Percentage of Patients Achieving Responder Status at Week 52  
[units: Percentage of Participants]
  63.9     69.0  


Statistical Analysis 1 for Percentage of Patients Achieving Responder Status at Week 52
Groups [1] All groups
Method [2] Fisher Exact
P Value [3] 0.6558
Treatment difference in response rate [4] 5.1
97.5% Confidence Interval ( -17.4 to 27.6 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  No text entered.
[2] Other relevant information, such as adjustments or degrees of freedom:
  Alpha = 0.025
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
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[4] Other relevant estimation information:
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2.  Secondary:   Time to Initial Response   [ Time Frame: up to 52 weeks ]

Measure Type Secondary
Measure Title Time to Initial Response
Measure Description Time to initial response defined as the time that the subject first demonstrated responder status (defined as no new persistent lesions and prednisone dose of not more than 10 mg/day from Week 48 until study termination at Week 52)
Time Frame up to 52 weeks  
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.
Intent-to-treat population. Analysis population (AP): Placebo = 36, subjects censored = 7; MMF 2 g/day or 3 g/day = 58, subjects censored = 10.

Reporting Groups
  Description
Placebo Placebo for MMF 2 g/day group: 4 tablets orally twice daily for 52 weeks; placebo for MMF 3 g/day group: 6 tablets orally twice daily for 52 weeks
MMF 2 g/Day and MMF 3 g/Day Groups Combined MMF 2 g/day group: 500 mg tablets, 4 tablets twice daily for 52 weeks MMF 3 g/day group: 500 mg tablets, 6 tablets twice daily for 52 weeks

Measured Values
    Placebo     MMF 2 g/Day and MMF 3 g/Day Groups Combined  
Number of Participants Analyzed  
[units: participants]
  36     58  
Time to Initial Response  
[units: Weeks]
Median ( Inter-Quartile Range )
  31.3  
  ( 25.0 to 36.4 )  
  24.1  
  ( 20.3 to 32.4 )  

No statistical analysis provided for Time to Initial Response



3.  Secondary:   Time to Sustained Response   [ Time Frame: up to 52 weeks ]

Measure Type Secondary
Measure Title Time to Sustained Response
Measure Description Time to sustained response is defined as the week the subject first demonstrates both of the conditions of responder status provided the conditions are maintained through to study termination at Week 52. If a subject does not have a sustained response, time to sustained response is censored on the last day of the study.
Time Frame up to 52 weeks  
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.
Intent-to-treat population. Analysis population (AP): Placebo = 36, subjects censored = 20; MMF 2 g/day or 3 g/day = 58, subjects censored = 23.

Reporting Groups
  Description
Placebo Placebo for MMF 2 g/day group: 4 tablets orally twice daily for 52 weeks; placebo for MMF 3 g/day group: 6 tablets orally twice daily for 52 weeks
MMF 2 g/Day and MMF 3 g/Day Groups Combined MMF 2 g/day group: 500 mg tablets, 4 tablets twice daily for 52 weeks MMF 3 g/day group: 500 mg tablets, 6 tablets twice daily for 52 weeks

Measured Values
    Placebo     MMF 2 g/Day and MMF 3 g/Day Groups Combined  
Number of Participants Analyzed  
[units: participants]
  16     35  
Time to Sustained Response  
[units: Weeks]
Median ( Full Range )
  46.0  
  ( 29.7 to NA ) [1]
  32.1  
  ( 20.6 to NA ) [1]
[1] Data not available. Median, Q1, and Q3 are calculated from Kaplan-Meier estimates.

No statistical analysis provided for Time to Sustained Response



4.  Secondary:   Duration of Prednisone Maintenance Dosing   [ Time Frame: 52 weeks ]

Measure Type Secondary
Measure Title Duration of Prednisone Maintenance Dosing
Measure Description The duration of prednisone maintenance dosing was defined as the number of days that subjects maintained a prednisone dose of not more than 10 mg/day in the absence of new persistent lesions.
Time Frame 52 weeks  
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.
Intent-to-treat population. Analysis population (AP): Placebo = 36; MMF 2 g/day = 21; MMF 3 g/day = 37; MMF Groups Combined (2 g/day or 3 g/day) = 58.

Reporting Groups
  Description
Placebo Placebo for MMF 2 g/day group: 4 tablets orally twice daily for 52 weeks; placebo for MMF 3 g/day group: 6 tablets orally twice daily for 52 weeks
MMF 2 g/Day and MMF 3 g/Day Groups Combined MMF 2 g/day group: 500 mg tablets, 4 tablets twice daily for 52 weeks MMF 3 g/day group: 500 mg tablets, 6 tablets twice daily for 52 weeks
Mycophenolate Mofetil 2 g/Day MMF 500 mg tablets; 4 tablets twice daily for 52 weeks
Mycophenolate Mofetil 3 g/Day MMF 500 mg tablets; 6 tablets twice daily for 52 weeks

Measured Values
    Placebo     MMF 2 g/Day and MMF 3 g/Day Groups Combined     Mycophenolate Mofetil 2 g/Day     Mycophenolate Mofetil 3 g/Day  
Number of Participants Analyzed  
[units: participants]
  36     58     21     37  
Duration of Prednisone Maintenance Dosing  
[units: Days]
Median ( Inter-Quartile Range )
  136.5  
  ( 60.0 to 191.0 )  
  186.0  
  ( 79.0 to 244.0 )  
  185.0  
  ( 109.0 to 246.0 )  
  187.0  
  ( 75.0 to 225.0 )  

No statistical analysis provided for Duration of Prednisone Maintenance Dosing




  Serious Adverse Events


  Other Adverse Events


  More Information
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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.


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.  


Results Point of Contact:  
Name/Title: Medical Communications
Organization: Hoffmann-La Roche
phone: 800-821-8590


No publications provided by Hoffmann-La Roche

Publications automatically indexed to this study:

Responsible Party: Disclosures Group, Hoffmann-La Roche
ClinicalTrials.gov Identifier: NCT00683930     History of Changes
Obsolete Identifiers: NCT00140127
Other Study ID Numbers: WX17796
Study First Received: May 19, 2008
Results First Received: November 18, 2009
Last Updated: May 25, 2011
Health Authority: United States: Food and Drug Administration