Study of Hepatocyte Growth Factor (HGF) Via Plasmid Vector to Improve Perfusion in Critical Limb Ischemia Patients With Peripheral Ischemic Ulcers

This study has been completed.
Sponsor:
Information provided by:
AnGes
ClinicalTrials.gov Identifier:
NCT00189540
First received: September 12, 2005
Last updated: July 25, 2011
Last verified: July 2011
Results First Received: June 21, 2011  
Study Type: Interventional
Study Design: Allocation: Randomized;   Endpoint Classification: Safety/Efficacy Study;   Intervention Model: Parallel Assignment;   Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor);   Primary Purpose: Treatment
Conditions: Arterial Occlusive Disease
Peripheral Vascular Disease
Ischemia
Ulcers
Interventions: Genetic: HGF plasmid
Genetic: 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
Screening was up to 30 days

Reporting Groups
  Description
Active Group 4.0 mg AMG0001 via IM injections on days 0, 14, and 28
Placebo Group Placebo (saline)via IM injections on days 0, 14, and 28

Participant Flow:   Overall Study
    Active Group     Placebo Group  
STARTED     21     6  
COMPLETED     14     5  
NOT COMPLETED     7     1  
Withdrawal by Subject                 3                 0  
Death                 4                 1  



  Baseline Characteristics
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Reporting Groups
  Description
Active Group 4.0 mg AMG0001 via IM injections on days 0, 14, and 28
Placebo Group Placebo (saline)via IM injections on days 0, 14, and 28
Total Total of all reporting groups

Baseline Measures
    Active Group     Placebo Group     Total  
Number of Participants  
[units: participants]
  21     6     27  
Age  
[units: years]
Mean ± Standard Deviation
  75.7  ± 2.49     78.0  ± 1.86     76.2  ± 1.97  
Gender  
[units: participants]
     
Female     8     4     12  
Male     13     2     15  



  Outcome Measures
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1.  Primary:   Wound Healing (Change in Total Wound Area of All Ischemic Ulcers)   [ Time Frame: Baseline, Month 3, Month 6 ]

Measure Type Primary
Measure Title Wound Healing (Change in Total Wound Area of All Ischemic Ulcers)
Measure Description Wound healing measured by change in mean total wound area of all ischemic ulcers at Month 3 and Month 6
Time Frame Baseline, Month 3, Month 6  
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.
Per protocol population - Efficacy Evaluable or EE

Reporting Groups
  Description
Active Group 4.0 mg AMG0001 via IM injections on days 0, 14, and 28
Placebo Group Placebo (saline)via IM injections on days 0, 14, and 28

Measured Values
    Active Group     Placebo Group  
Number of Participants Analyzed  
[units: participants]
  16     5  
Wound Healing (Change in Total Wound Area of All Ischemic Ulcers)  
[units: total wound area (cm^2)]
Mean ± Standard Error
   
Baseline     5.75  ± 1.8134     12.600  ± 9.4435  
Month 3     15.766  ± 6.8421     12.200  ± 8.7022  
Month 6     16.375  ± 7.1336     12.700  ± 9.7190  


Statistical Analysis 1 for Wound Healing (Change in Total Wound Area of All Ischemic Ulcers)
Groups [1] All groups
Method [2] ANCOVA
P Value [3] 0.35
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison made is the difference from baseline at Month 3.
[2] Other relevant information, such as adjustments or degrees of freedom:
  No text entered.
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.

Statistical Analysis 2 for Wound Healing (Change in Total Wound Area of All Ischemic Ulcers)
Groups [1] All groups
Method [2] ANCOVA
P Value [3] 0.17
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison made is the difference from baseline at Month 6.
[2] Other relevant information, such as adjustments or degrees of freedom:
  No text entered.
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.



2.  Secondary:   Percentage of Participants Where All Ulcers Healed   [ Time Frame: Month 3 and Month 6 ]

Measure Type Secondary
Measure Title Percentage of Participants Where All Ulcers Healed
Measure Description This outcome is a percentage of participants where all of their baseline ulcers healed.
Time Frame Month 3 and Month 6  
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.
Per protocol population Efficacy Evaluable "EE"

Reporting Groups
  Description
Active Group 4.0 mg AMG0001 via IM injections on days 0, 14, and 28
Placebo Group Placebo (saline)via IM injections on days 0, 14, and 28

Measured Values
    Active Group     Placebo Group  
Number of Participants Analyzed  
[units: participants]
  16     5  
Percentage of Participants Where All Ulcers Healed  
[units: Percentage of Participants]
   
Month 3     6     0  
Month 6     19     0  
Month 12     31     0  


Statistical Analysis 1 for Percentage of Participants Where All Ulcers Healed
Groups [1] All groups
Method [2] Fisher Exact
P Value [3] 0.55
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  The comparison of groups at Month 3
[2] Other relevant information, such as adjustments or degrees of freedom:
  No text entered.
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.

Statistical Analysis 2 for Percentage of Participants Where All Ulcers Healed
Groups [1] All groups
Method [2] Fisher Exact
P Value [3] 0.28
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  The comparison of groups at Month 6.
[2] Other relevant information, such as adjustments or degrees of freedom:
  No text entered.
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.



3.  Secondary:   Change in Pain at Rest as Measured on the Visual Analog Scale (VAS)   [ Time Frame: Baseline, Month 3 and Month 6 ]

Measure Type Secondary
Measure Title Change in Pain at Rest as Measured on the Visual Analog Scale (VAS)
Measure Description The mean VAS score where 0 = no pain; 10 = worst possible pain.
Time Frame Baseline, Month 3 and Month 6  
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.
Per protocol population or Efficacy Evaluable "EE"

Reporting Groups
  Description
Active Group 4.0 mg AMG0001 via IM injections on days 0, 14, and 28
Placebo Group Placebo (saline)via IM injections on days 0, 14, and 28

Measured Values
    Active Group     Placebo Group  
Number of Participants Analyzed  
[units: participants]
  16     5  
Change in Pain at Rest as Measured on the Visual Analog Scale (VAS)  
[units: cm]
Mean ± Standard Error
   
Baseline     5.31  ± 0.60     6.04  ± 1.20  
Month 3     4.26  ± 0.92     6.52  ± 1.5  
Month 6     3.40  ± 0.99     6.66  ± 1.3  


Statistical Analysis 1 for Change in Pain at Rest as Measured on the Visual Analog Scale (VAS)
Groups [1] All groups
Method [2] ANCOVA
P Value [3] 0.2
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison between groups at Month 3
[2] Other relevant information, such as adjustments or degrees of freedom:
  No text entered.
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.

Statistical Analysis 2 for Change in Pain at Rest as Measured on the Visual Analog Scale (VAS)
Groups [1] All groups
Method [2] ANCOVA
P Value [3] 0.04
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison between groups at Month 6
[2] Other relevant information, such as adjustments or degrees of freedom:
  No text entered.
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.



4.  Secondary:   Number of Subjects Who Undergo a Major Amputation   [ Time Frame: Month 3 and Month 6 ]

Measure Type Secondary
Measure Title Number of Subjects Who Undergo a Major Amputation
Measure Description No text entered.
Time Frame Month 3 and Month 6  
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.
No text entered.

Reporting Groups
  Description
Active Group 4.0 mg AMG0001 via IM injections on days 0, 14, and 28
Placebo Group Placebo (saline)via IM injections on days 0, 14, and 28

Measured Values
    Active Group     Placebo Group  
Number of Participants Analyzed  
[units: participants]
  16     5  
Number of Subjects Who Undergo a Major Amputation  
[units: participants]
   
3 months     3     0  
6 months     3     0  


Statistical Analysis 1 for Number of Subjects Who Undergo a Major Amputation
Groups [1] All groups
Method [2] Fisher Exact
P Value [3] 1.00
[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:
  No text entered.
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.



5.  Secondary:   Change in Hemodynamic Measurements - Mean Change in Ankle Brachial Index (ABI)   [ Time Frame: Baseline, Month 3, Month 6 ]

Measure Type Secondary
Measure Title Change in Hemodynamic Measurements - Mean Change in Ankle Brachial Index (ABI)
Measure Description No text entered.
Time Frame Baseline, Month 3, Month 6  
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.
Population is per protocol - Efficacy Evaluable (EE)

Reporting Groups
  Description
Active Group 4.0 mg AMG0001 via IM injections on days 0, 14, and 28
Placebo Group Placebo (saline)via IM injections on days 0, 14, and 28

Measured Values
    Active Group     Placebo Group  
Number of Participants Analyzed  
[units: participants]
  16     5  
Change in Hemodynamic Measurements - Mean Change in Ankle Brachial Index (ABI)  
[units: mm Hg / mm Hg]
Mean ± Standard Error
   
Baseline     0.492  ± 0.0662     0.430  ± 0.0957  
Month 3     0.476  ± 0.0657     0.448  ± 0.1248  
Month 6     0.472  ± 0.0846     0.303  ± 0.1481  


Statistical Analysis 1 for Change in Hemodynamic Measurements - Mean Change in Ankle Brachial Index (ABI)
Groups [1] All groups
Method [2] ANCOVA
P Value [3] 0.77
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison at Month 3
[2] Other relevant information, such as adjustments or degrees of freedom:
  No text entered.
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.

Statistical Analysis 2 for Change in Hemodynamic Measurements - Mean Change in Ankle Brachial Index (ABI)
Groups [1] All groups
Method [2] ANCOVA
P Value [3] 0.45
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison at Month 6
[2] Other relevant information, such as adjustments or degrees of freedom:
  No text entered.
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.



6.  Secondary:   Change in Hemodynamic Measurements - Mean Change in Toe Brachial Index (TBI)   [ Time Frame: Baseline, Month 3, Month 6 ]

Measure Type Secondary
Measure Title Change in Hemodynamic Measurements - Mean Change in Toe Brachial Index (TBI)
Measure Description No text entered.
Time Frame Baseline, Month 3, Month 6  
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.
Population is per protocol - Efficacy Evaluable (EE)

Reporting Groups
  Description
Active Group 4.0 mg AMG0001 via IM injections on days 0, 14, and 28
Placebo Group Placebo (saline)via IM injections on days 0, 14, and 28

Measured Values
    Active Group     Placebo Group  
Number of Participants Analyzed  
[units: participants]
  16     5  
Change in Hemodynamic Measurements - Mean Change in Toe Brachial Index (TBI)  
[units: mm Hg / mm Hg]
Mean ± Standard Error
   
Baseline     0.19  ± 0.04     0.28  ± 0.06  
Month 3     0.22  ± 0.05     0.14  ± 0.06  
Month 6     0.24  ± 0.06     0.11  ± 0.07  


Statistical Analysis 1 for Change in Hemodynamic Measurements - Mean Change in Toe Brachial Index (TBI)
Groups [1] All groups
Method [2] ANCOVA
P Value [3] 0.06
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison between groups for mean TBI at Month 3 versus baseline.
[2] Other relevant information, such as adjustments or degrees of freedom:
  No text entered.
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.

Statistical Analysis 2 for Change in Hemodynamic Measurements - Mean Change in Toe Brachial Index (TBI)
Groups [1] All groups
Method [2] ANCOVA
P Value [3] 0.05
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison between groups for mean TBI at Month 6 versus baseline.
[2] Other relevant information, such as adjustments or degrees of freedom:
  No text entered.
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.




  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: Director of Clinical Operations
Organization: AnGes
phone: 240-780-9031
e-mail: information@anges-mg.com


Publications of Results:

Responsible Party: Prannath Marrott, M.D., AnGes, Inc.
ClinicalTrials.gov Identifier: NCT00189540     History of Changes
Other Study ID Numbers: AG-CLI-0205
Study First Received: September 12, 2005
Results First Received: June 21, 2011
Last Updated: July 25, 2011
Health Authority: United States: Food and Drug Administration