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Open Label Safety And Efficacy Study Of Pregabalin In Subjects With Nerve Pain Asociated With Human Immunodeficiency Virus (HIV) Neuropathy

This study has been completed.
Sponsor:
Information provided by:
Pfizer
ClinicalTrials.gov Identifier:
NCT00264875
First received: December 12, 2005
Last updated: March 20, 2009
Last verified: March 2009
Results First Received: February 20, 2009  
Study Type: Interventional
Study Design: Allocation: Non-Randomized;   Endpoint Classification: Safety/Efficacy Study;   Intervention Model: Single Group Assignment;   Masking: Open Label;   Primary Purpose: Treatment
Conditions: Peripheral Neuropathy
HIV Infections
Intervention: Drug: pregabalin

  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
With completion of A0081066 (NCT00232141), subjects had option of initiating treatment with pregabalin under open-label conditions for 3 months in A0081095, an open-label extension trial. Treatment in A0081095 was initiated on the evening of the subjects’ Visit 7/Termination Visit in A0081066. A0081095 was conducted in the United States.

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
Pregabalin Subjects who met all eligibility criteria initiated open-label treatment at 150 mg/day (75 mg BID). Further adjustments of total daily dose within the dose range 150 to 600 mg/day (BID) were permitted throughout the study to optimize pain control and minimize adverse events (AEs).

Participant Flow:   Overall Study
    Pregabalin
STARTED   220 
COMPLETED   190 
NOT COMPLETED   30 
Adverse Event                6 
Lost to Follow-up                6 
Protocol Violation                11 
Withdrawal by Subject                7 



  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
Pregabalin Subjects who met all eligibility criteria initiated open-label treatment at 150 mg/day (75 mg BID). Further adjustments of total daily dose within the dose range 150 to 600 mg/day (BID) were permitted throughout the study to optimize pain control and minimize adverse events (AEs).

Baseline Measures
   Pregabalin 
Overall Participants Analyzed 
[Units: Participants]
 220 
Age 
[Units: Years]
Mean (Standard Deviation)
 48.3  (7.8) 
Gender 
[Units: Participants]
 
Female   42 
Male   178 


  Outcome Measures

1.  Primary:   Mean Visual Analogue Scale (VAS) Pain Scores   [ Time Frame: Baseline, Week 4, Week 8, Week 12, and Endpoint ]


  Serious Adverse Events
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Time Frame No text entered.
Additional Description No text entered.

Reporting Groups
  Description
Pregabalin Subjects who met all eligibility criteria initiated open-label treatment at 150 mg/day (75 mg BID). Further adjustments of total daily dose within the dose range 150 to 600 mg/day (BID) were permitted throughout the study to optimize pain control and minimize adverse events (AEs).

Serious Adverse Events
    Pregabalin
Total, serious adverse events   
# participants affected   10 
Gastrointestinal disorders   
Pancreatitis † 1   
# participants affected / at risk   1/220 (0.45%) 
General disorders   
Chest pain † 1   
# participants affected / at risk   1/220 (0.45%) 
Infections and infestations   
Cellulitis † 1   
# participants affected / at risk   2/220 (0.91%) 
Pneumonia † 1   
# participants affected / at risk   1/220 (0.45%) 
Abscess limb † 1   
# participants affected / at risk   1/220 (0.45%) 
Streptococcal infection † 1   
# participants affected / at risk   1/220 (0.45%) 
Injury, poisoning and procedural complications   
Alcohol poisoning † 1   
# participants affected / at risk   1/220 (0.45%) 
Ankle fracture † 1   
# participants affected / at risk   1/220 (0.45%) 
Neoplasms benign, malignant and unspecified (incl cysts and polyps)   
Prostate cancer † 1   
# participants affected / at risk   1/220 (0.45%) 
Nervous system disorders   
Syncope † 1   
# participants affected / at risk   1/220 (0.45%) 
Vascular disorders   
Deep vein thrombosis † 1   
# participants affected / at risk   1/220 (0.45%) 
Events were collected by systematic assessment
1 Term from vocabulary, MedDRA v11.0




  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
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  More Information