A Multi-Center Trial To Evaluate The Safety And Efficacy Of Pegaptanib Sodium(Macugen) Injected Into The Eye Every 6 Weeks For Up To 2 Years For Macular Swelling Associated With Diabetes, With An Open-Label Macugen Year Extension.

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
Pfizer
ClinicalTrials.gov Identifier:
NCT00605280
First received: January 18, 2008
Last updated: July 5, 2012
Last verified: July 2012
Results First Received: November 18, 2010  
Study Type: Interventional
Study Design: Allocation: Randomized;   Endpoint Classification: Safety/Efficacy Study;   Intervention Model: Parallel Assignment;   Masking: Double Blind (Subject, Caregiver, Investigator);   Primary Purpose: Treatment
Condition: Macular Edema Associated With Diabetes Mellitus
Interventions: Drug: Standard of Care
Drug: Macugen

  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
Original protocol included 0.3, 0.03, and 0.003 milligram (mg) pegaptanib sodium and sham treatment groups; the 0.03 and 0.003 mg doses were removed, affected participants given option of receiving 0.3 mg injections of pegaptanib sodium or study withdraw. Later, participants who hadn't completed Year 2 were eligible to enroll in Year 3 extension.

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
0.3 mg Pegaptanib Sodium Intravitreal injection of pegaptanib sodium, 0.3 mg every 6 weeks up to 2 years. Eligible participants had option to enroll in Year 3, open-label, extension phase during which participants received intravitreal injections of pegaptanib sodium, 0.3 mg every 6 weeks for 1 year.
0.03 mg Pegaptanib Sodium Intravitreal injection of pegaptanib sodium, 0.03 mg every 6 weeks was planned for up to 2 years. The 0.03 mg dose was removed and participants given option of receiving 0.3 mg injection of pegaptanib sodium every 6 weeks for 2 years or withdrawing from the study.
0.003 mg Pegaptanib Sodium Intravitreal injection of pegaptanib sodium, 0.003 mg every 6 weeks was planned for up to 2 years. The 0.003 mg dose was removed and participants given option of receiving 0.3 mg injection of pegaptanib sodium every 6 weeks up to 2 years or withdrawing from the study.
Sham Standard of care and sham injection (the application of an empty barrel of a needleless syringe). Eligible participants had option to enroll in Year 3, open-label, extension phase during which participants received intravitreal injections of pegaptanib sodium, 0.3 mg every 6 weeks for 1 year.

Participant Flow for 3 periods

Period 1:   Year 1
    0.3 mg Pegaptanib Sodium     0.03 mg Pegaptanib Sodium     0.003 mg Pegaptanib Sodium     Sham  
STARTED     145     22     7     143  
Received 0.3 mg Treatment     144     13     3     0  
COMPLETED     126     11     6     124  
NOT COMPLETED     19     11     1     19  
Protocol Violation                 0                 0                 0                 1  
Adverse Event                 3                 1                 1                 5  
Physician Decision                 7                 4                 0                 6  
Withdrawal by Subject                 2                 4                 0                 4  
Unspecified                 2                 1                 0                 1  
Lost to Follow-up or Patient non-comply                 5                 1                 0                 2  

Period 2:   Year 2
    0.3 mg Pegaptanib Sodium     0.03 mg Pegaptanib Sodium     0.003 mg Pegaptanib Sodium     Sham  
STARTED     126     11     6     124  
Received 0.3 mg Treatment     126     3     2     0  
COMPLETED     102     5     0     102  
NOT COMPLETED     24     6     6     22  
Adverse Event                 4                 0                 2                 4  
Physician Decision                 11                 6                 4                 11  
Withdrawal by Subject                 4                 0                 0                 4  
Unspecified                 1                 0                 0                 1  
Lost to Follow-up or Patient non-comply                 4                 0                 0                 2  

Period 3:   Year 3 Extension
    0.3 mg Pegaptanib Sodium     0.03 mg Pegaptanib Sodium     0.003 mg Pegaptanib Sodium     Sham  
STARTED     46     0     0     54  
Received 0.3 mg Treatment     46     0     0     54  
COMPLETED     38     0     0     45  
NOT COMPLETED     8     0     0     9  
Adverse Event                 2                 0                 0                 2  
Physician Decision                 0                 0                 0                 2  
Withdrawal by Subject                 2                 0                 0                 5  
Unspecified                 2                 0                 0                 0  
Lost to Follow-up or Patient non-comply                 2                 0                 0                 0  



  Baseline Characteristics
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Reporting Groups
  Description
0.3 mg Pegaptanib Sodium Intravitreal injection of pegaptanib sodium, 0.3 mg every 6 weeks up to 2 years. Eligible participants had option to enroll in Year 3, open-label, extension phase during which participants received intravitreal injections of pegaptanib sodium, 0.3 mg every 6 weeks for 1 year.
Sham Standard of care and sham injection (the application of an empty barrel of a needleless syringe). Eligible participants had option to enroll in Year 3, open-label, extension phase during which participants received intravitreal injections of pegaptanib sodium, 0.3 mg every 6 weeks for 1 year.
0.03 mg Pegaptanib Sodium Intravitreal injection of pegaptanib sodium, 0.03 mg every 6 weeks was planned for up to 2 years. The 0.03 mg dose was removed and participants given option of receiving 0.3 mg injection of pegaptanib sodium every 6 weeks up to 2 years or withdrawing from study.
0.003 mg Pegaptanib Sodium Intravitreal injection of pegaptanib sodium, 0.003 mg every 6 weeks was planned for up to 2 years. The 0.003 mg dose was removed and participants given option of receiving 0.3 mg injection of pegaptanib sodium every 6 weeks up to 2 years or withdrawing from study.
Total Total of all reporting groups

Baseline Measures
    0.3 mg Pegaptanib Sodium     Sham     0.03 mg Pegaptanib Sodium     0.003 mg Pegaptanib Sodium     Total  
Number of Participants  
[units: participants]
  145     143     22     7     317  
Age  
[units: Years]
Mean ± Standard Deviation
  62.5  ± 9.2     62.4  ± 10.3     64.7  ± 8.6     57.3  ± 10.1     62.5  ± 9.7  
Gender  
[units: Participants]
         
Female     59     65     11     4     139  
Male     86     78     11     3     178  



  Outcome Measures
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1.  Primary:   Number of Participants With Greater Than or Equal to ≥10 Letter (or 2 Line) Improvement in Vision at 1 Year   [ Time Frame: Baseline, Year 1 ]

2.  Secondary:   Number of Participants With a ≥ 10 Letter (or 2 Line) Improvement in Vision at 2 Years   [ Time Frame: Baseline, Year 2 ]

3.  Secondary:   Number of Participants With a ≥ 15 Letter Improvement in Vision at 1 Year   [ Time Frame: Baseline, Year 1 ]

4.  Secondary:   Number of Participants With a ≥ 15 Letter Improvement in Vision at 2 Years   [ Time Frame: Baseline, Year 2 ]

5.  Secondary:   Number of Eyes With a 2 or More Step Increase in Degree of Retinopathy at 1 Year   [ Time Frame: Baseline, Year 1 ]

6.  Secondary:   Number of Eyes With a 2 or More Step Decrease in Degree of Retinopathy at 1 Year   [ Time Frame: Baseline, Year 1 ]

7.  Secondary:   Number of Eyes With a 2 or More Step Increase in Degree of Retinopathy at 2 Years   [ Time Frame: Baseline, Year 2 ]

8.  Secondary:   Number of Eyes With a 2 or More Step Decrease in Degree of Retinopathy at 2 Years   [ Time Frame: Baseline, Year 2 ]

9.  Secondary:   Change From Baseline in Mean VA Score at 1 Year   [ Time Frame: Baseline, Year 1 ]

10.  Secondary:   Change From Baseline in Mean VA Score at 2 Years   [ Time Frame: Baseline, Year 2 ]

11.  Secondary:   Number of Participants Requiring Focal or Grid Laser Treatment During Year 1   [ Time Frame: 1 year ]

12.  Secondary:   Number of Participants Requiring Focal or Grid Laser Treatment During Year 2   [ Time Frame: 2 years ]


  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: Pfizer ClinicalTrials.gov Call Center
Organization: Pfizer, Inc.
phone: 1-800-718-1021
e-mail: ClinicalTrials.gov_Inquiries@pfizer.com


No publications provided


Responsible Party: Pfizer
ClinicalTrials.gov Identifier: NCT00605280     History of Changes
Obsolete Identifiers: NCT00148811
Other Study ID Numbers: A5751013, EOP1013H
Study First Received: January 18, 2008
Results First Received: November 18, 2010
Last Updated: July 5, 2012
Health Authority: United States: Food and Drug Administration