A Multicenter, Randomized, Double-Blind, Placebo and Active Controlled Study Comparing the Analgesic Efficacy and Safety of ABT-639 to Placebo in Subjects With Diabetic Neuropathic Pain
Overview
- Phase
- Phase 2
- Intervention
- ABT-639
- Conditions
- Diabetic Neuropathic Pain
- Sponsor
- AbbVie (prior sponsor, Abbott)
- Enrollment
- 193
- Locations
- 35
- Primary Endpoint
- A mean of 24-hour average pain score measured by an 11-point Numeric Rating Scale (NRS) based on subject's daily diary
- Status
- Completed
- Last Updated
- 13 years ago
Overview
Brief Summary
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.
Investigators
Eligibility Criteria
Inclusion Criteria
- •Subject is between the ages of 18 to 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 an average score of greater than or equal to ( ≥) 4 on the 24 hour average pain score (0-10 numerical rating scale) collected over approximately 7 days prior to the Baseline Visit.
Exclusion Criteria
- •Subject has clinically symptomatic neuropathic pain conditions that can not be distinguished from Diabetic Neuropathic Pain (DNP) or interfere with the pain assessments of DNP.
- •A subject has newly diagnosed or clinically significant medical conditions or mental disorders that would preclude participation or would interfere with DNP assessments or other functions.
- •Subject has clinically significant abnormalities in clinical laboratory tests.
Arms & Interventions
ABT-639
ABT-639 twice daily for 6 weeks
Intervention: ABT-639
pregabalin
pregabalin starting dose twice daily for week one then titrated up to maintenance dose twice daily for duration of the study
Intervention: pregabalin
Placebo
Placebo twice daily for 6 weeks
Intervention: Placebo
Outcomes
Primary Outcomes
A mean of 24-hour average pain score measured by an 11-point Numeric Rating Scale (NRS) based on subject's daily diary
Time Frame: Weekly started at Baseline, Week 1, Week 2, Week 4, and Week 6 (End of Study)
Daily questions asked on a hand held diary
Secondary Outcomes
- Patient's Global Impression of Change(Week 2, Week 4 and Week 6 (End of Study))
- Brief Pain Inventory (BPI) (short form) including Severity and Interference(At each visit up to Week 6 (end of Study))
- Neuropathic Pain Symptom Inventory (NPSI)(Baseline, Week 2, Week 4 and Week 6 (end of Study))