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A Study to Determine if an Investigational Pain Medicine Provides Relief of Chronic Pain After a Shingles Outbreak

Phase 2
Withdrawn
Conditions
Postherpetic Neuralgia
Registration Number
NCT00506610
Lead Sponsor
Pfizer
Brief Summary

The purpose of this study is to determine whether T-62 is effective in providing relief of pain that can occur after an individual experiences a shingles outbreak, which is an infection in adults caused by the same virus that causes chicken pox.

Detailed Description

Not available

Recruitment & Eligibility

Status
WITHDRAWN
Sex
All
Target Recruitment
Not specified
Inclusion Criteria
  • Has a clinical diagnosis of Postherpetic Neuralgia (PHN)
  • Experiencing pain for at least 3 months after the healing of shingles rash
  • Has at least a weekly average pain intensity of equal to or greater than 4 out of 10
  • Females must not be pregnant or breastfeeding and practicing an acceptable method of birth control, or be surgically sterile or post-menopausal
  • Will not consume grapefruit or grapefruit juice during the study
Read More
Exclusion Criteria
  • Has a current acute or unstable chronic disease other than Postherpetic Neuralgia (PHN)
  • Has clinically important medical disorder
  • Uses certain types of medications for heart conditions
  • Unwilling/unable to discontinue use of medications for treatment of neuropathic pain
  • Has a history of hypersensitivity to any medication or soy product
  • Has liver or kidney disease
  • Has asthma that required treatment within the last year
  • Has HIV or hepatitis (other than hepatitis A)
  • Has a history of alcohol abuse within the past 2 years
  • Has a history of (within last 2 years) or currently abuses prescription or illegal drugs
Read More

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Primary Outcome Measures
NameTimeMethod
Pain Intensity Difference (PID) scores (derived from data obtained using the 11 point Likert pain rating scale)During each Treatment Phase Visit
Various pain related assessmentDuring each Treatment Phase Visit
Clinical Global Impression of Change (CGIC) and Subject Global Impression of Change (SGIC ) scoresAt each Treatment Phase Visit
Secondary Outcome Measures
NameTimeMethod
Incidence, intensity, relationship, and seriousness of treatment-emergent AEs by dose and by treatment group.
Treatment-emergent changes in safety assessments
Evaluation of T-62 plasma concentrationsAt various timepoints during the study

Trial Locations

Locations (8)

Plains Medical Clinic

🇺🇸

Fargo, North Dakota, United States

Odyssey Research

🇺🇸

Spokane, Washington, United States

Bradenton Research Center

🇺🇸

Bradenton, Florida, United States

The Center for Clinical Research

🇺🇸

Winston Salem, North Carolina, United States

Anchor Research Center

🇺🇸

Naples, Florida, United States

Suncoast Clinical Research

🇺🇸

New Port Richey, Florida, United States

Altoona Center for Clinical Research

🇺🇸

Duncansville, Pennsylvania, United States

Crescent Moon Research

🇺🇸

Murrells Inlet, South Carolina, United States

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