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A Study Comparing the Efficacy and Safety of ABT-652 to Placebo in Subjects With Diabetic Neuropathic Pain

Phase 2
Terminated
Conditions
Diabetic Neuropathic Pain
Interventions
Drug: ABT-652 6 mg
Drug: ABT-652 12 mg
Drug: ABT-652 12 mg - 18 mg
Drug: Placebo
Registration Number
NCT01579279
Lead Sponsor
AbbVie (prior sponsor, Abbott)
Brief Summary

To evaluate the safety and efficacy of ABT-652 compared to Placebo in subjects with diabetic neuropathic pain. People with diabetes can, over time develop nerve damage throughout the body with symptoms such as pain, tingling, or numbness (loss of feeling) in the hands, arms, feet and legs.

Detailed Description

A double blind, randomized, active- and placebo-controlled 13-week study. Duloxetine is added to evaluate assay sensitivity.

Recruitment & Eligibility

Status
TERMINATED
Sex
All
Target Recruitment
1
Inclusion Criteria
  • Subject is between the ages of 18-75 years with a diagnosis of diabetes mellitus and must have a diagnosis of painful distal symmetric diabetic polyneuropathy and presence of ongoing pain due to diabetic peripheral neuropathy for at least 6 months.
  • Subject must have a mean average score of greater than 4 on the 24 hour average pain score (0-10 numerical rating scale) prior to the Baseline Visit.
  • Subject has been on a medication for diabetic neuropathic pain for the past 3 months.
Exclusion Criteria
  • Subject has clinically symptomatic neuropathic pain conditions that cannot be distinguished from Diabetic Neuropathic Pain or interfere with the pain assessments of Diabetic Neuropathic Pain.
  • A subject has newly diagnosed or clinically significant medical conditions or mental disorders that would preclude participation or would interfere with Diabetic Neuropathic Pain assessments or other functions.
  • Subject has clinically significant abnormalities in clinical laboratory tests.
  • Subject has taken an opioid chronically, excluding tramadol within the last 3 months prior to Screening.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
ABT-652 6 mgABT-652 6 mgABT-652 capsules - twice daily
ABT-652 12 mgABT-652 12 mgABT-652 capsules twice daily
ABT-652 12 mg - 18 mgABT-652 12 mg - 18 mgABT-652 capsules twice daily
PlaceboPlaceboPlacebo capsules twice daily
DuloxetineDuloxetineDuloxetine capsules once daily
Primary Outcome Measures
NameTimeMethod
24-hour Average Pain Score12 weeks

Weekly mean of 24-hour average pain score measured by a 11-point Numeric Rating Scale completed on subject's daily diary.

Secondary Outcome Measures
NameTimeMethod
Neuropathic Pain Symptom Inventory12 weeks

Measures severity of common neuropathic pain qualities (burning, pressure, squeezing)

Brief Pain Inventory12 weeks

Capture the subject's severity of pain and interference

Neuropathic Pain Impact on Quality of Life Questionnaire12 weeks

Captures the subject's assessment of neuropathic pain and the effect it has on the quality of daily life

Patient Global Impression of Change12 weeks

Captures the subject's evaluation of his/her overall general impression of feeling since beginning study medication

EuroQuality of Life - 5 Dimension -5 Level12 weeks

Capture's the subject's mobility, self-care, usual activity, pain/discomfort and anxiety/depression

Trial Locations

Locations (8)

Site Reference ID/Investigator# 63710

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Milford, Connecticut, United States

Site Reference ID/Investigator# 62887

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Anaheim, California, United States

Site Reference ID/Investigator# 62884

🇺🇸

DeLand, Florida, United States

Site Reference ID/Investigator# 62826

🇺🇸

Orlando, Florida, United States

Site Reference ID/Investigator# 62824

🇺🇸

Walnut Creek, California, United States

Site Reference ID/Investigator# 73913

🇺🇸

Olive Branch, Mississippi, United States

Site Reference ID/Investigator# 62886

🇺🇸

Dallas, Texas, United States

Site Reference ID/Investigator# 63703

🇺🇸

Brockton, Massachusetts, United States

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