Efficacy and Safety of Pregabalin in Treatment of Neuropathic Pain in Patients With Idiopathic Small Fiber Neuropathy

Completed · Phase 2 · Has a placebo group

Conditions studied: Idiopathic Small Fiber Neuropathy

In brief

The purpose of this study is to assess safety and efficacy of treatment with pregabalin in patients with idiopathic small fiber neuropathy proven by skin biopsy.This is an enriched enrollment randomized withdrawal study that comprises 4 phases: a screening and selection phase, a washout period from previous pain medication for enriched enrollment, an 8 week single blind pregabalin treatment phase; and a 4 week randomized withdrawal phase.

Key facts

Study ID

NCT02607254

Run by

Johns Hopkins University

People needed

11

Starts

2015-09-01

Expected to finish

2018-07-01

Last updated by the study team

2018-10-04

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Subjects with idiopathic predominate-small fiber neuropathy
• Subject must have chronic peripheral neuropathic pain for more than 3 months
• A score >3 and <8 on Pain intensity scale for pain in prior week at first visit;
• Show increase in pain intensity scores during the wash off period;
• Age older than 18 years;

You may not qualify if…

• Subjects with large-fiber predominant neuropathy
• Subjects with HIV infection, trigeminal neuralgia (TGN), toxic neuropathy (e.g. chemotherapy exposure), paraneoplastic neuropathy, mono-gammopathy, inflammatory neuropathy, celiac disease, systemic lupus, peripheral vascular disease, connective tissue disorders, hepatitis C, Fabry disease, and diabetes;
• Subjects with uncontrolled thyroid or B12 disorders
• Subjects with Complex Regional Pain Syndrome
• Allergy to Pregabalin
• Subjects at risk of suicide or self harm
• Subjects with any clinically unstable cardiovascular, hematological, autoimmune, endocrine, renal, hepatic, renal, respiratory, or gastrointestinal disease; epilepsy, symptomatic peripheral vascular disease including intermittent claudication, pernicious anemia, untreated hypothyroidism, venous insufficiency, or spinal stenosis.
• History of known analgesic, alcohol or illicit drug abuse within 12 months of first visit;
• Pregnant females; breastfeeding females.

Where it is running

• Johns Hopkins Hospital — Baltimore, Maryland, United States

Full record on ClinicalTrials.gov

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